CN204045695U - Supply unit - Google Patents

Supply unit Download PDF

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Publication number
CN204045695U
CN204045695U CN201290000772.XU CN201290000772U CN204045695U CN 204045695 U CN204045695 U CN 204045695U CN 201290000772 U CN201290000772 U CN 201290000772U CN 204045695 U CN204045695 U CN 204045695U
Authority
CN
China
Prior art keywords
supply unit
storage battery
surplus
supply
user
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN201290000772.XU
Other languages
Chinese (zh)
Inventor
小西拓郎
古泽正规
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Makita Corp
Original Assignee
Makita Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2011183552A external-priority patent/JP5851156B2/en
Priority claimed from JP2011183551A external-priority patent/JP2013046512A/en
Application filed by Makita Corp filed Critical Makita Corp
Application granted granted Critical
Publication of CN204045695U publication Critical patent/CN204045695U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/0044Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction specially adapted for holding portable devices containing batteries
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/247Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/284Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/0048Detection of remaining charge capacity or state of charge [SOC]
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/005Detection of state of health [SOH]
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0063Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007Regulation of charging or discharging current or voltage
    • H02J7/00712Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/213Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The utility model provides a kind of for the supply unit (1) to electric tool supply DC power supply.This supply unit (1) possess multiple storage battery can be installed installation portion (11,12,13,14), export the body shell (15) that the output device being installed in the electric power of the total of the storage battery of this installation portion, the control substrate (40) of output of the electric power controlling storage battery, the cooling device (60) cooling this control substrate and inside are provided with above-mentioned control substrate and above-mentioned cooling device.This supply unit (1) is connected with electric tool via power line (41), and user can bear and carries.Power supply main part possess removable, carry out the braces (43) born for user.Can from left and right both direction extracting power supply cord (41) of user.

Description

Supply unit
Technical field
The present invention relates to the supply unit that the power supply as various electric equipment uses.
Background technology
In recent years, such as be mainly in the electric tool of hand-hold type at bolt screwing machine, boring electric drilling machine etc., except such as using the AC power of 100V except the electric tool of power supply, can the lithium-ions battery (DC power supply) of Reusability popularize by charging as the rechargeable power tool of power supply.The rechargeable power tool of the latter, because be connected long power line with supply socket, so the convenience of the high operability that especially can obtain outside room or use without the need to the situation as the former AC power formula.In addition, if prepare multiple storage battery, then can be used as, in the process that power supply uses, utilizing the charger prepared in addition to charge to another, so the long-time continuous that can realize electric tool uses thus makes efficient work one being installed on tool body.
, in order to reduce the time being replaced with the complete storage battery of charging, providing in the past and multiple storage battery be installed in parallel and the supply unit of jumbo electric power can be exported.Such as, Japanese Unexamined Patent Publication 2011-97766 publication discloses the technology relating to this supply unit.According to this supply unit, multiple storage battery is made be connected in parallel and be connected in series and deposit, thus long-time output and these both sides of high output of electric power can be realized, in addition, output high efficiency can be made by the surplus suitably controlling each storage battery.
Supply unit in the past possesses the control substrate for controlling the electric power consuming mounted each storage battery efficiently.The cooling of this control substrate needs to complete more fully.
Summary of the invention
As a viewpoint of the present invention, supply unit possesses: installation portion, and it can install multiple storage battery; Output device, it exports the electric power being installed in the total of the storage battery of this installation portion; Control substrate, it controls the output of the electric power of storage battery; Cooling device, it cools this control substrate; And body shell, its inside is provided with above-mentioned control substrate and above-mentioned cooling device.
According to this, carrying out its action control efficiently by controlling substrate, not producing deviation to make the surplus of the multiple storage batterys be such as mounted.Therefore, control substrate, especially the heat generation of FET etc. become many.The control substrate becoming large pyrotoxin by reliably and cool fully, so the misoperation of this supply unit can be prevented in possible trouble, improves its durability by special cooling device.
Accompanying drawing explanation
Fig. 1 is the front view of the supply unit involved by embodiments of the present invention.
Fig. 2 is the longitudinal section of supply unit.
Fig. 3 is the front view of the supply unit under the state opening lid.
Fig. 4 is the cutaway view of IV-IV line along Fig. 3, is the sectional elevation of surplus display part.
Fig. 5 is the cutaway view of V-V line along Fig. 3, is the sectional elevation of the main body of supply unit.
Fig. 6 is the overall perspective view of the rechargeable electric planer of an example as electric tool.
Embodiment
With reference to accompanying drawing, embodiments of the present invention are described.As shown in Figure 1 and Figure 2, the supply unit 1 involved by present embodiment possesses: can install in front four storage batterys 11,12,13,14 main body 10 and this main body 10 face side and the lid 2 of mounted storage battery can be covered.Wherein, in a row four storage batterys are installed because arrange along the vertical direction in front, so supply unit 1 has the elongated shape along the vertical direction with long limit.
Lid 2 can be bearing in the top of main body 10 up and down rotationally via hinge part 3.Lid 2 can rotate upward and open centered by hinge part 3, and can rotate downwards to close.Hung over the pulling claw 5 of the bottom being arranged on main body 10 by the locking bar 4 of the bottom by being arranged on lid 2, thus lid 2 is blocked at off-position place.Locking bar 4 is urged to locking side by Compress Spring 6.
The lower surface of main body 10 and lid 2 is provided with four pin 7.Supply unit 1 can be arranged to: make this four pin 7 ground connection, the state (longitudinal posture) long limit being supported oneself into stand according to the mode becoming above-below direction.In addition, the carrying handle 8 for carrying supply unit 1 is provided with on the top of main body 10.Carrying handle 8 can be arranged rotationally up and down centered by hinge part 3.For this carrying handle 8, make it upright upward thus user can hold, make it to lodge downwards thus can receive.Fig. 2 represents makes carrying handle 8 lodge downwards and state after receiving, and Fig. 3 represents the state after making it upright upward.
The corner, the back side of main body 10 is provided with horizontal pin 9.Supply unit 1 also can make this pin 9 ground connection and be arranged to horizontal posture.
Fig. 3 represents the supply unit 1 after opening or take off lid 2.Therefore, the front of main body 10 can be seen in figure 3.
In the front of main body 10, four storage battery installation portions 21 ~ 24 for installing storage battery are arranged along the vertical direction to be configured in a row.Main body 10 possesses its back side, bottom surface etc. of formation and has the body shell 15 of the box shape of peristome in face side and formed the pedestal portion 16 in front with being screwed on this body shell 15 in conjunction with peristome.Four storage battery installation portions 21 ~ 24 are installed in this pedestal portion 16.Fig. 3 illustrates the state being provided with four storage batterys 11,12,13,14 of the form of being slidably installed at four storage battery installation portions 21 ~ 24.In the following description, be installed in parallel along the vertical direction four storage batterys are called the 1st storage battery 11, the 2nd storage battery 12, the 3rd storage battery 13, the 4th storage battery 14 in order from upside.
The storage battery installed is the storage battery used as the power supply of the rechargeable electric tool 50 such as the electric planer shown in Fig. 6, the lithium-ions battery of to be output voltage be in the present embodiment 18V.Storage battery 11 is in accumulator housing 11a, contain multiple battery 11b(lithium ion battery, secondary cell) storage battery, by utilizing the charging of other charger can Reusability.For this storage battery itself, known storage battery can be used.The sidepiece of storage battery 11 is provided with lock claw 11c, and this lock claw 11c carries out locking under being used for the state being installed in the storage battery installation portion 51 at the rear portion being arranged on tool body at storage battery 11.
Storage battery installation portion 21 ~ 24 all has the be slidably installed structure identical with the storage battery installation portion 51 of above-mentioned electric tool 50.In each storage battery installation portion 21 ~ 24, two rail plate 21a ~ 24a upper and lower are set up over the ground.Connector connection part 21b ~ 24b is configured with between paired rail plate 21a ~ 24a.In figure 3, by making storage battery transversely slide from left to right relative to rail plate 21a ~ 24a, storage battery can be arranged on each storage battery installation portion 21 ~ 24.Contrary, by making storage battery transversely slide from right to left, each storage battery can be taken off from storage battery installation portion 21 ~ 24.By each storage battery is arranged on each storage battery installation portion 21 ~ 24, connect via each storage battery of each connector connection part 21b ~ 24b.Four storage batterys separately can be installed, take off.If carry out unlock operation with finger tip resistance acting force of the spring to the lock claw 11c ~ 14c of each storage battery, then can remove locking and take off storage battery.
These four storage batterys 11,12,13,14 all have intermountable for all storage battery installation portions 21 ~ 24.If be all provided with storage battery 11,12,13,14 at all four storage battery installation portions, then every two electrical connections in parallel thus realize long-time output, two groups be connected in parallel mutually are connected in series thus realize the output voltage of 36V.In addition, in the supply unit 1 of present embodiment, carry out controlling to make also at least to be connected in series establishment when being that the storage battery installation portion (the such as the 1st and the 2nd storage battery installation portion 21,22) of arbitrary at least two has installed storage battery, thus reliably output voltage is the electric power of 36V.
The supply unit 1 of present embodiment possesses the surplus function of reporting (surplus annunciator) of the surplus of the mounted storage battery of report.This surplus function of reporting is by reporting the independent surplus display part 30 of the independent surplus Ze of mounted each storage battery 11,12,13,14 and reporting that the total surplus display part 31 of surplus Zt of total of these storage batterys realizes.
As shown in Figure 3, the former independent surplus display part 30 is configured near the left side of each storage battery installation portion 21 ~ 24.Each independent surplus display part 30 possesses two the indicator light 30a being installed on pedestal portion 16.Carry out as described below lighting or glimmering by respective two indicator light 30a, report separately the independent surplus Ze of corresponding storage battery 11,12,13,14.In each independent surplus display part 30, all light up green by two indicator light 30a both sides, report the state (fully charged state) of the independent surplus Ze abundance of storage battery.Light up green by one and another lights up redness, report the state that independent surplus Ze is few.All light up redness by both sides, report that independent surplus Ze is not enough and the state (wanting charged state) of electric power can not be supplied.In addition, be red flicker by indicator light 30a both sides, report that storage battery is error condition for temperature or current value.
The total surplus display part 31 of the latter is arranged at set by the pedestal portion 16 in the front forming main body 10, that section is the support column 32 of oval tubular end face.This support column 32 be arranged at pedestal portion 16 up and down and the substantial middle of left and right directions and between the 2nd storage battery 12 and the 3rd storage battery 13.As shown in the figure, amount to surplus display part 31 and possess five indicator lights 35 and a console switch 36.The total surplus Zt of four storage batterys 11,12,13,14 is more, and the number lighting up red indicator light 35 is more.All light up redness by indicator light 35 5, report that the total surplus Zt of storage battery 11,12,13,14 is sufficient.Tailed off by the number of lighting of indicator light 35, report that the total surplus Zt of storage battery 11,12,13,14 tails off.If all four storage batterys 11,12,13,14 all do not have independent surplus Ze, then also do not amount to surplus Zt, indicator light 35 becomes five states all do not lighted.
Light at such as four or all five indicator lights 35, when amounting to surplus Zt abundance, also there is the situation of the independent surplus Ze deficiency of arbitrary storage battery.In this situation, by confirming independent surplus display part 30, reliably can determine and needing the storage battery of charging (of namely corresponding indicator light 30a or both sides are just lighting up the storage battery of redness).
In the present embodiment, only can confirm when having carried out push to console switch 36 whether the indicator light 35 of report footing surplus is lighted.Even if suppose when amounting to surplus Zt deficiency, only otherwise carry out push to console switch 36, indicator light 35 is not just lighted.Even if if carry out push to console switch 36, a part of or all indicator lights 35 are not also lighted, then the total surplus Zt of known four storage batterys 11,12,13,14 of user is not enough.If all indicator lights 35 are all lighted when having carried out push to console switch 36, then the total surplus Zt of known four storage batterys 11,12,13,14 of user is sufficient.Like this, because be configured to only carry out the formation that push lights to make indicator light 35, so can consumes power be saved to console switch 36 where necessary.
In the supply unit 1 of present embodiment, even if be configured to also to confirm this total surplus display part 31 from external view Shangdi under the state closing lid 2.Being provided with the ellipse of the support column 32 amounting to surplus display part 31 in the substantial middle of lid 2 is the window 2a of the ellipse of similar shape.If opposing body 10 closing cap 2, then the top becoming support column 32 enters the state blocking window 2a in this window 2a.Thus, be configured to can confirm from external view Shangdi to amount to surplus display part 31 under the state closing lid 2.
As shown in Figure 2, in body shell 15, be configured with control substrate 40.Control substrate 40 to comprise for the control circuit of electric control surplus function of reporting and be the power circuit (forming a part for output device) of electric power of 36V for output dc voltage.As shown in Figure 4, this control substrate 40, is fixed by screw thread via the back side of base panel frame 45 along pedestal portion 16 by under the state with resin bed 40a mold in its entirety (two sides).
As shown in Figure 2, be provided with in body shell 15 be mainly used in cool control substrate 40, especially FET(field-effect transistor) cooling device 60.This cooling device 60 possesses heat sink material 61 and the cooling fan 62 of the aluminum being installed in the back side controlling substrate 40.Heat sink material 61 engages with the back side controlling substrate 40 via upper and lower two installing components 63.As shown in Figure 4, heat sink material 61 possesses multiple fin 61a with rectangular flat shape.This fin 61a spreads all over the entirety of the long side direction (long side direction of main body 10, the above-below direction namely in Fig. 2) controlling substrate 40 and extends in parallel to each other.As shown in FIG. 4 and 5, heat sink material 61 forms multiple ventilation path 64 of above-below direction between adjacent two pieces of fin 61a.Each ventilation path 64 is arranged in the scope of the total length spreading all over the long side direction controlling substrate 40.
As shown in Figure 2, the back side of body shell 15 is provided with suction hole 15a.This suction hole 15a is positioned at the upper end of heat sink material 61 and the adjacent upper part of ventilation path 64.On the other hand, in the installing component 63 of the downside of supporting heat sink material 61, be provided integrally with circular fan frame portion 63a, cooling fan 62 is arranged on body shell 15 via this fan frame portion 63a.
In the below of this cooling fan 62 and the bottom surface of body shell 15 is provided with steam vent 15b ~ 15b.Wherein, at the fan frame portion 63a of upside, cooling fan is not installed, but in the present embodiment, the installing component 63 of the upside of supporting heat sink material 61 is also set as the parts identical with the installing component 63 of the downside possessing fan frame portion 63a.Thus, commonization of upper and lower installing component 63 is realized.
If cooling fan 62 rotates, then as shown in arrow W in Fig. 2, to produce from suction hole 15a through the louvre 63b of installing component 63 towards the flowing of the cooling air of steam vent 15b ~ 15.This cooling air flows downward in the ventilation path 64 vertically extended, thus each fin 61a dispels the heat efficiently, and then control substrate 40 spreads all over the entirety cooling of its long side direction.
As shown in Figure 1, the main switch 42 of supply unit 1 is provided with on the right side of body shell 15.If carry out making operation to main switch 42, then become cooling fan 62 and rotate, and can the state of output power by power line 41.If carry out opening operation to main switch 42, then power circuit is cut off thus electric power output stopping, thus, suppresses the consumption of the stand-by electric of waste.
Electric power supply power line 41 drawn by the right lower quadrant from body shell 15, through this power line 41 can external device supply 36V direct current power.As shown in double dot dash line in Fig. 1, the extraction location of this power line 41 can be changed to the left side of body shell 15 by user.By at random selecting any one extraction location thus making the process transfiguration of power line 41 easy, the convenience of the use of supply unit 1 can be improved.
In the present embodiment, as shown in Figure 1 and Figure 2, the band (braces 43) born can be installed at the back side of body shell 15.Bear supply unit 1 by installing braces 43, user can carry supply unit 1 under the empty state of both hands.Therefore, compared with the situation using carrying handle 8 to carry, operability can be improved.In addition, compared with the situation that supply unit 1 is arranged on workplace to use, the space for work can be expanded.
This braces 43 is installed along the back side of body shell 15, possesses the backboard 43a abutted with the back of user when bearing.By installing this backboard 43a along the back side of body shell 15, thus braces 43 is installed in supply unit 1.Backboard 43a makes horizontal pin 9 roughly abut with its corner, and is fixed relative to this pin 9 screw thread with installation screw thread 43b respectively.Therefore, backboard 43a installs along this back side with the state of the gap 43c leaving the width of the height being equivalent to pin 9 between itself and the back side of body shell 15.
By this backboard 43a, user can bear supply unit 1 between back and the back side of body shell 15, with leaving gap 43c.Thereby, it is possible to directly do not contact with the back side of main body 10 with back thus the mode that can not block the suction hole 15a at the back side to bear supply unit 1.Therefore, it is possible to do not bear supply unit 1 with hindering the cooling effectiveness of cooling device 60.In addition, in the running of cooling fan, frequent extraneous air is imported into suction hole 15a by gap 43c, so when bearing supply unit 1, the heat produced from supply unit 1 is difficult to the back being directly delivered to user.Therefore, user can not be made to produce unhappy sensation, thereby, it is possible to improve the convenience of the use of supply unit 1 and employ the operability of work of supply unit 1.
As shown in Figure 2, larger air vent hole 43d is had at the upper opening of backboard 43a.This air vent hole 43d is positioned at the rear of the suction hole 15a at the back side of body shell 15.If cooling fan 62 rotates, then the flowing of the cooling air shown in arrow W of ventilation path 64 generation in body shell 15, thus extraneous air by gap 43c or air vent hole 43d by air-breathing efficiently in suction hole 15a.In addition, under the state of bearing supply unit 1 at back user, backboard 43a is attached on back, but some gaps between backboard 43a and back and air vent hole 43d and produce the flowing of extraneous air, so back well-ventilated can be made, thus suppress to perspire.
As described above, the supply unit 1 of present embodiment possesses: can install power supply as electric tool and by the storage battery installation portion 21,22,23,24 of four storage batterys 11,12,13,14 used, and exports the output device being installed in the electric power of the total of the storage battery of this installation portion.Storage battery is connected in parallel, so can output power for a long time.Therefore, even if under the operational environment that especially without etc. AC power can not be utilized such, also work can be carried out efficiently.
Further, the supply unit 1 of present embodiment possesses the control substrate 40 of the electric power output controlling storage battery.Carrying out its action control efficiently by controlling substrate, not producing deviation to make the surplus of the multiple storage batterys be such as mounted.Therefore, the heat generation controlling the especially FET of substrate etc. becomes many.Therefore, supply unit 1 also possesses the cooling device 60 of this control substrate 40 of cooling.This cooling device 60 possesses the heat sink material 61 of the fin 61a with multiple long side direction extension along control substrate 40, is formed the ventilation path 64 of the length in the almost whole region spreading all over the long side direction controlling substrate 40 by the plurality of fin 61a.Further, by cooling fan 62, in generation in each ventilation path 64 as used in Fig. 2 as shown in arrow W from the flowing to the cooling air of lower end near the upper end of control substrate 40.By the cooling air of flowing in multiple ventilation path 64 of the long side direction along this control substrate 40, the entirety and the periphery thereof that control substrate 40 are cooled efficiently.Such control substrate 40 and periphery thereof are reliably cooled by cooling device 60, thus can prevent the delaying work of the supply unit 1 caused because of heating, control program out of control in possible trouble, and then the durability of supply unit 1 can be improved.
In addition, can install in the supply unit 1 of present embodiment and carry out bearing the braces 43 carried for user.Therefore supply unit is except using except carrying handle 8 carries, and can also bear carrying.If installation braces, then user can bear supply unit 1 at use braces, thus carries out work under the state of empty both hands, so can increase work efficiency.
Braces possesses the backboard that can be arranged on body shell, and between this backboard and control substrate, such position can install this backboard at fin.If supply unit 1 is born, then between the suction hole 15a at the back side being arranged on body shell 15 and backboard 43a, be formed with gap 43c, thus extraneous air is imported efficiently.Further, according to this gap 43c, supply unit 1 is not directly pressed on back, so the heating of supply unit 1 can be suppressed to be shown delivered directly to the back of user, thereby, it is possible to improve the convenience (use sense) of the use of supply unit 1.
In addition, the face of extracting power supply cord 41 especially can be combined in the strong hand of user under the state of carrying out bearing or binding operation etc. and require and the right side or the left side that change to main body 10, can be improved the convenience of the use of supply unit 1 by this point.
In addition, the supply unit 1 of present embodiment possesses the surplus function of reporting of the surplus of report storage battery.As the method realizing this surplus function of reporting, supply unit 1 is installed on except possessing report except the independent surplus display part 30 of the respective surplus Ze of the storage battery of storage battery installation portion, also possesses the total surplus display part 31 of the surplus Zt of the total of all these storage batterys of report.Therefore, it is possible to while confirm each surplus Ze and the supply unit 1 surplus Zt that can export as a whole of storage battery, use supply unit 1 efficiently.
Especially, according to the execution mode exemplified, except visually can confirm, except each surplus Ze of storage battery and the surplus Zt of entirety, can also be confirmed by indicator light 35 by the indicator light 30a of independent surplus display part 30 and total surplus display part 31 at a glance.Therefore, even the dark place at night etc. also can from away from place confirm, the convenience of the use of supply unit 1 can be improved by these points.
In addition, even if the indicator light 35 amounting to surplus display part 31 also can through window 2a from external visual under the state closing lid 2.Therefore, even if specially do not open lid 2, also can from away from the total surplus Zt of the instantaneous confirmation storage battery in place, also further increased the operability of surplus function of reporting by this point.
Further, for the console switch 36 amounting to surplus display part 31, also can operate from outside through window 2a under the state closing lid 2.Amount to surplus display part 31 to be configured to, only when having carried out making operation to this console switch 36, indicator light 35 being lighted thus function of reporting is played a role.Therefore, under the state of not carrying out making operation to console switch 36, even if the not enough indicator light 35 of surplus Zt is not also lighted.Thereby, it is possible to eliminate stand-by electric etc. unnecessary time the power consumption of waste, so compared with the formation of always carrying out reporting, storage battery can be made more durable.
With reference to above-mentioned specific structure, embodiments of the present invention are illustrated, but if those skilled in the art then can know that can not depart from destination of the present invention carries out more replacement, improvement and change.Therefore embodiments of the present invention can comprise the replacement of the spirit of the claim not departing from interpolation and all of object, improvement and change.Such as, embodiments of the present invention are not limited to above-mentioned specific structure, can change as following.
The number of the storage battery that supply unit 1 can be installed is not limited to four, can at random set.In addition, except being all provided with except storage battery 11,12,13,14 situation at all four storage battery installation portions 21 ~ 24 being set in main body 10, even if when the storage battery installation portion of a part does not install storage battery, for mounted storage battery, also can use supply unit 1, and the work of surplus function of reporting can be made.Also cooling fan 62 can be omitted.Even if in this case, because be provided with fin 61a and ventilation path 64 along the almost whole region of long side direction controlling substrate 40, so the cooling controlling substrate 40 is also by reliably and carry out efficiently.
Amount to the substantial middle that surplus display part 31 not only can be arranged on the front of main body 10, such as, also can be arranged on left and right side or the lid 2 of main body 10.The window 2a of lid 2 can be omitted, in this situation, lid 2 can be made to open by visual confirmation total surplus display part 31.Further, be configured to only report when having carried out making operation to console switch 36 exemplified with total surplus display part 31, but also can be configured to omit this console switch 36 and always report.In addition, the number being arranged on the indicator light 35 amounting to surplus display part 31 in order to the change of report footing surplus Zt is not limited to five, can change.Such as, even if an indicator light, also by making according to the change amounting to surplus Zt light color change or make flicker cycle change, the change of report footing surplus Zt can be carried out.In addition, amount to surplus display part 31 and also can be configured to, replace the surplus being schematically shown storage battery by indicator light, and show the surplus of (numerical monitor) storage battery with numerical value.
As report the surplus Ze of storage battery, the method for Zt, be not limited to utilize as the present embodiment indicator light 30a, 35 the display part of vision formula, such as also can be set as the parts of the sense of hearing formula producing the sound such as buzzer, melody, voice, or utilize the parts of vibration.
Also can be configured to: omit the main switch 42 of supply unit 1, when being arranged on storage battery installation portion to major general's storage battery, becoming can the state of output power.Further, supply unit 1 also can be configured to, and not only exports the direct current power of 36V, also by using booster circuit etc. to export more high-tension electric power.In addition, also can be configured to not export direct current power and via output AC electric power such as inverters, or export this both sides.

Claims (13)

1. a supply unit, this supply unit is used for electric tool supply DC power supply, wherein,
Be connected with described electric tool via power line, and user can bear and carries.
2. supply unit according to claim 1, wherein,
Described power supply main part possess removable, carry out the braces born for user.
3. supply unit according to claim 1, wherein,
Described power line can be drawn from the left and right both direction of user.
4. supply unit according to claim 2, wherein,
Described braces is by with being screwed on power supply main part.
5. according to the supply unit in claim 2 ~ 4 described in any one, wherein,
Described power supply main part possesses horizontal foot.
6. according to the supply unit in Claims 1 to 4 described in any one, wherein,
Possess and carry out for user the carrying handle carried.
7. supply unit according to claim 5, wherein,
Possess and carry out for user the carrying handle carried.
8. supply unit according to claim 1, wherein, possesses:
For reporting the residual capacity reporting unit of the residual capacity of the electric power that can export, this residual capacity reporting unit is configured to be reported by switching manipulation.
9. supply unit according to claim 8, wherein,
Described residual capacity reporting unit is configured to carry out reporting residual capacity by the number of lighting of five surplus display lamps.
10. according to the supply unit in Claims 1 to 4,8,9 described in any one, wherein,
The direct current of 36V can be exported.
11. supply units according to claim 5, wherein,
The direct current of 36V can be exported.
12. supply units according to claim 6, wherein,
The direct current of 36V can be exported.
13. supply units according to claim 7, wherein,
The direct current of 36V can be exported.
CN201290000772.XU 2011-08-25 2012-08-09 Supply unit Expired - Lifetime CN204045695U (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2011183552A JP5851156B2 (en) 2011-08-25 2011-08-25 Power supply
JP2011-183552 2011-08-25
JP2011183551A JP2013046512A (en) 2011-08-25 2011-08-25 Power supply device
JP2011-183551 2011-08-25
PCT/JP2012/070358 WO2013027599A1 (en) 2011-08-25 2012-08-09 Power supply apparatus

Publications (1)

Publication Number Publication Date
CN204045695U true CN204045695U (en) 2014-12-24

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DE (1) DE212012000160U1 (en)
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US10749430B2 (en) 2015-03-13 2020-08-18 Positec Power Tools (Suzhou) Co., Ltd. Power transmission apparatus and control method therefor, and power supply system
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JP2003092837A (en) * 2001-09-19 2003-03-28 Matsushita Electric Ind Co Ltd Portable power unit
JP3110300U (en) * 2005-02-09 2005-06-16 株式会社バンテック Portable fuel cell device
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US10749430B2 (en) 2015-03-13 2020-08-18 Positec Power Tools (Suzhou) Co., Ltd. Power transmission apparatus and control method therefor, and power supply system
US11601002B2 (en) 2015-03-13 2023-03-07 Positec Power Tools (Suzhou) Co., Ltd. Electrical energy transmission apparatus, method for controlling same, and power supply system
CN105990875A (en) * 2015-03-19 2016-10-05 汽车能源供应公司 Portable power supply deivce
CN105990875B (en) * 2015-03-19 2020-04-21 汽车能源供应公司 Portable power supply device
CN111048712A (en) * 2018-10-11 2020-04-21 株式会社牧田 Battery-mounted device
US11641120B2 (en) 2018-10-11 2023-05-02 Makita Corporation Battery mount device
WO2021185283A1 (en) * 2020-03-17 2021-09-23 苏州宝时得电动工具有限公司 Backpack power supply assembly

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DE212012000160U1 (en) 2014-04-02

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