CN109328422A - Charging unit - Google Patents
Charging unit Download PDFInfo
- Publication number
- CN109328422A CN109328422A CN201780033648.0A CN201780033648A CN109328422A CN 109328422 A CN109328422 A CN 109328422A CN 201780033648 A CN201780033648 A CN 201780033648A CN 109328422 A CN109328422 A CN 109328422A
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- China
- Prior art keywords
- mentioned
- air
- flow
- air entry
- circuit element
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/623—Portable devices, e.g. mobile telephones, cameras or pacemakers
- H01M10/6235—Power tools
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
Abstract
In order to provide a kind of charging unit that can suitably cool down the battery pack in charging and charging circuit element, charging unit (1A) has the charging circuit element on fan (15), substrate (4) and substrate (4) in the inner space formed by upper housing (2) and lower case (3).Battery pack department of assembly is equipped in the upper surface of upper housing (2).Fan (15) generate air-flow include: the first air-flow (k1), be inhaled into from air regulator (6) and obstructed overcharge circuit element and flow into battery pack (5)；And second air-flow (k2), it is inhaled into from air regulator (8), by charging circuit element, collaborates with the first air-flow (k1) and flow into battery pack (5).
Description
Technical field
The present invention relates to charging units, fill to the battery pack for being releasably assemblied in such as cordless power tool
Electricity.
Background technique
Cordless power tool releasably assembles the battery pack for supplying electric power to the motor as driving source.Battery pack
The secondary battery cells such as built-in rechargeable lithium battary.The charging of battery pack uses charging unit.Charging unit is built-in for cold
But the fan of the battery pack in charging.The air regulator for being assemblied in the battery pack of charging unit is connected to the air entry of charging unit, on
The air-flow for stating fan generation is inhaled into charging unit by the inside of battery pack, and is discharged from the exhaust outlet of charging unit.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2015-019535 bulletin
Summary of the invention
Problems to be solved by the invention
In recent years, along with the high capacity of battery pack, the shortening in the charging time of charging unit is being promoted always, separately
On the one hand, the miniaturization of charging unit is being promoted always.Therefore, the fever of the battery pack in charging and charging circuit element at
For problem to be solved.
The present invention is to recognize that such situation and completes that the purpose is to provide a kind of can suitably cool down in charging
Battery pack and the charging charging unit of circuit element.
A technical solution to solve project
Certain scheme of the invention is a kind of charging unit.The charging unit is characterized in that having: shell, in following table
Face has setting unit, has battery pack department of assembly in upper surface；Fan is set inside the housing；And circuit elements are used in charging
Part is set inside the housing, and above-mentioned shell has exhaust outlet, the first air entry and the second air entry, above-mentioned exhaust outlet face
Match portion to above-mentioned battery assembly, the air-flow that said fans generate includes: the first air-flow, it is inhaled into from above-mentioned first air entry,
It is not flowed by above-mentioned charging circuit element towards above-mentioned exhaust outlet；And second air-flow, from above-mentioned second air entry
It is inhaled into, by above-mentioned charging circuit element, collaborates with above-mentioned first air-flow and flowed towards above-mentioned exhaust outlet.
It is also possible to the lower section that said fans are set to above-mentioned battery pack department of assembly, above-mentioned first air entry is set to above-mentioned shell
The lower surface of body, it is opposed with above-mentioned exhaust outlet.
Be also possible to above-mentioned charging circuit element be set to avoid between above-mentioned exhaust outlet and above-mentioned first air entry
Position.
Another scheme of the invention is charging unit.The charging unit it is characterized in that, having: shell, under
Surface has setting unit, has battery pack department of assembly in upper surface；Fan is set inside the housing；And circuit is used in charging
Element is set inside the housing, and above-mentioned shell has air entry and first row port and second exhaust port, above-mentioned air entry
Match portion towards above-mentioned battery assembly, the air-flow that said fans generate includes: the first air-flow, is inhaled into from above-mentioned air entry, no
It is flowed by above-mentioned charging circuit element towards above-mentioned first row port and the second air-flow, from above-mentioned air entry quilt
Sucking, with above-mentioned first air flows, is flowed by above-mentioned charging circuit element towards above-mentioned second exhaust port.
It is also possible to the single fan that said fans are provided at the lower section of above-mentioned battery pack department of assembly, above-mentioned first row
Port is set to the lower surface of above-mentioned shell, opposed with above-mentioned air entry.
Be also possible to above-mentioned charging circuit element be set to avoid between above-mentioned air entry and above-mentioned first row port
Position.
Be also possible to said fans have in said flow be set between above-mentioned air entry and above-mentioned first row port
First fan and the second fan between above-mentioned air entry and above-mentioned second exhaust port.
Another scheme of the invention is charging unit.The charging unit is characterized in that having: shell, in following table
Face has setting unit, has battery pack department of assembly in upper surface；Fan is set inside the housing；And circuit elements are used in charging
Part is set inside the housing, and above-mentioned shell has the first air entry, the second air entry and exhaust outlet, above-mentioned first air-breathing
Mouth matches portion towards above-mentioned battery assembly, and the air-flow that said fans generate includes: the first air-flow, is inhaled from above-mentioned first air entry
Enter, is flowed by above-mentioned charging circuit element towards above-mentioned exhaust outlet；And second air-flow, from above-mentioned second air entry
It is inhaled into, collaborates with above-mentioned first air-flow, flowed by above-mentioned charging circuit element towards above-mentioned exhaust outlet.
It is also possible to the lower surface that above-mentioned second air entry is set to above-mentioned shell, it is opposed with above-mentioned first air entry.
Be also possible to above-mentioned charging circuit element be set to avoid above-mentioned first air entry and above-mentioned second air entry it
Between position.
Another scheme of the invention is charging unit.The charging unit is characterized in that having: shell, in following table
Face has setting unit, has battery pack department of assembly in upper surface；Single fan, sets inside the housing；And charging is used
Circuit element is set inside the housing, and above-mentioned shell has the first air entry, the second air entry, first row port, Yi Ji
Two exhaust outlets, above-mentioned first air entry or above-mentioned first row port state upwardly battery pack department of assembly, the gas that said fans generate
Stream is inhaled into from above-mentioned first air entry and above-mentioned second air entry respectively and mutually collaborates, and a part is not used by above-mentioned charging
Circuit element and flowed towards above-mentioned first row port, remainder is by above-mentioned charging circuit element towards above-mentioned second
Exhaust outlet flowing.
Another scheme of the invention is charging unit.The charging unit is characterized in that having: shell, in following table
Face has setting unit, has battery pack department of assembly in upper surface；Single fan, sets inside the housing；And charging is used
Circuit element is set inside the housing, and above-mentioned shell has the first air entry, the second air entry, first row port and the
Two exhaust outlets, above-mentioned first air entry or above-mentioned first row port state upwardly battery pack department of assembly, the gas that said fans generate
Stream includes: the first air-flow, is inhaled into from above-mentioned first air entry, not by above-mentioned charging circuit element towards above-mentioned
The flowing of one exhaust outlet；And second air-flow, it is inhaled into from above-mentioned second air entry, passes through above-mentioned charging circuit element court
It is flowed to above-mentioned second exhaust port, above-mentioned first air-flow and above-mentioned second air-flow flow independently of each other.
In addition, any combination of above structural element, and converting expression of the invention between method, system etc.
The scheme of acquisition, it is still valid as mode of the invention.
Invention effect
According to the present invention, a kind of charging dress that can suitably cool down the battery pack in charging and charging circuit element is provided
It sets.
Detailed description of the invention
Fig. 1 is the first perspective view of the charging unit 1A of embodiments of the present invention 1.
Fig. 2 is the second perspective view of charging unit 1A.
Fig. 3 is the third perspective view of charging unit 1A.
Fig. 4 is can be using the perspective view of the battery pack 5 of charging unit 1A charging.
Fig. 5 is to be equipped with the perspective view of the state of battery pack 5 in charging unit 1A.
Fig. 6 is to be equipped with the front sectional view of the state of battery pack 5 in charging unit 1A.
Fig. 7 is to be equipped with the front sectional view of the state of battery pack 5 in the charging unit 1B of embodiments of the present invention 2.
Fig. 8 is the right side view cutaway drawing of the state.
Fig. 9 is to be equipped with the front sectional view of the state of battery pack 5 in the charging unit 1C of embodiments of the present invention 3.
Figure 10 is to be equipped with the front sectional view of the state of battery pack 5 in the charging unit 1D of embodiments of the present invention 4.
Figure 11 is to be equipped with the front sectional view of the state of battery pack 5 in the charging unit 1E of embodiments of the present invention 5.
Figure 12 is to be equipped with the front sectional view of the state of battery pack 5 in the charging unit 1F of embodiments of the present invention 6.
Specific embodiment
Hereinafter, being described in detail referring to attached drawing to the preferred embodiments of the present invention.In addition, each shown in the drawings identical
Or similar structural element, component, processing etc. mark identical symbol, and suitably the repetitive description thereof will be omitted.In addition, embodiment
It is merely illustrative, it is not used in restriction invention, the essence that all features documented by embodiment, a combination thereof are not necessarily invented.
Embodiment 1
Referring to Fig.1~Fig. 6 is illustrated the charging unit 1A of embodiments of the present invention 1.Charging unit 1A has group
Close shell made of shell 2 and lower case 3.Upper housing 2 and lower case 3 are, for example, resin molded body.As shown in Figures 2 and 3,
Lower case 3 has multiple foot 3a as setting unit in lower surface.Upper housing 2 has releasably assembly (sliding in upper surface
Dynamic assembly) battery pack 5 battery pack department of assembly 2a.Charging unit 1 is connected to outside source power supply etc. by power supply line (not shown)
Portion's power supply charges to the battery pack 5 for being assemblied in battery pack department of assembly 2a by supplying electric power from the external power supply.
In addition, the relevant structure that charges can be same as the prior art, therefore, in this description will be omitted.
As shown in Figure 1, upper housing 2 has the air regulator 7 in the battery pack department of assembly 2a predetermined quantity opened up.As shown in figure 4,
The air regulator 5a of predetermined quantity of the battery pack 5 with the battery pack department of assembly 2a towards upper housing 2.As shown in Figures 5 and 6 will
Battery pack 5 is assemblied in the state of charging unit 1A, and air regulator 5a and air regulator 7 are interconnected.As shown in Figures 4 and 5, battery pack 5
There is air regulator 5b in front surface.As shown in fig. 6, lower case 3 has the air regulator 6 opened up in lower surface.Air regulator 6 is located at battery assembly
Lower section with portion 2a.Lower case 3 has air regulator 8.Air regulator 8, which is opened on the wind path at itself between aftermentioned fan 15, to be existed
The position of circuit element is used in aftermentioned charging.In the present embodiment, the air regulator 5a of battery pack 5 is air entry, and air regulator 5b is row
Port.In addition, the air regulator 6 of charging unit 1A is the first air entry, air regulator 8 is the second air entry, and air regulator 7 is exhaust outlet.
As shown in fig. 6, the inner space formed by upper housing 2 and lower case 3 be equipped with substrate 4, be set on substrate 4
Charging circuit element and fan 15.Charging circuit element includes the switch elements such as FET 21, photoelectrical coupler 22, transformation
Device 23, diode 24 and cooling fin 25~27 etc..Fan 15 is aerofoil fan, and to suck air and upwards from below
The mode of submitting is held in the underface of battery pack department of assembly 2a by the rib 13 of upper housing 2.Substrate 4 and charging set on substrate 4
The position avoided between air regulator 6 and air regulator is set to circuit element.The space of the lower section of fan 15 and the accommodation space of substrate 4
Between divided in a manner of the accommodation space that the liquid such as the water that immerses from air regulator 7 will not flow out to substrate 4 by the rib 14 of lower case 3
Every.
The air-flow that fan 15 generates includes the first air-flow k1 and the second air-flow k2.First air-flow k1 is inhaled into from air regulator 6, no
It is flowed by the charging circuit element on substrate 4 towards air regulator 7, and is discharged from air regulator 7.Second air-flow k2 is from 8 quilt of air regulator
Sucking, by the charging on substrate 4 with circuit element (cooling charging circuit element), suction side and the first gas in fan 15
It flows the interflow k1 and is flowed towards air regulator 7, and be discharged from air regulator 7.The the first air-flow k1 and the second air-flow k2 being discharged from air regulator 7 are from electricity
The air regulator 5a of pond group 5 enters in battery pack 5, the battery unit etc. in cooling battery pack 5, and is discharged from air regulator 5b.
According to the present embodiment, it can get following effect.
(1) by the charging circuit element on the cooling substrate 4 of the second air-flow k2, and make to charging circuit element not
It carries out cooling the first air-flow k1 and the interflow the second air-flow k2 and is used for the cooling of battery pack 5, therefore, and only by charging use
The case where circuit element progress air-flow after cooling cools down battery pack 5 is compared, and can be improved the cooling efficiency of battery pack 5.
(2) due to generating the first air-flow k1 and the second air-flow k2 using single fan 15, number of parts is few, at
This is low, also helps miniaturization.
(3) it even if entering the liquid such as water from air regulator 7 in the state of unassembled battery pack 5, can also be drained from air regulator 6,
Also excellent in terms of waterproof.
Embodiment 2
Fig. 7 is to be equipped with the front sectional view of the state of battery pack 5 in the charging unit 1B of embodiment of the present invention 2.Fig. 8
It is the right side view cutaway drawing of the state.In addition, in fig. 8, air regulator 5b simply just enlargedly shows one.Hereinafter, with reality
It applies and is illustrated centered on the difference of mode 1.Fan 15 is in a manner of sucking air from top and send out downwards by lower casing
Body 3 is held in the lower section of battery pack department of assembly 2a and the surface of air regulator 6.Fan 16 is aerofoil fan, with from the right in Fig. 7
The mode that (space of the lower section of air regulator 7) sucks air and (circuit element side is used in substrate 4 and charging) is sent out to the left is by lower casing
Body 3 is held in the lower section of battery pack department of assembly 2a.Air regulator 8 is opened on the wind path at itself between fan 16 that there are substrates 4
On charging use circuit element position.In the present embodiment, the air regulator 5a of battery pack 5 is exhaust outlet, and air regulator 5b is air-breathing
Mouthful.In addition, the air regulator 6 of charging unit 1B is first row port, air regulator 7 is air entry, and air regulator 8 is second exhaust port.
Fan 15 and fan 16 generate the first air-flow k1 and the second air-flow k2.First air-flow k1 is inhaled into from air regulator 7, obstructed
It crosses the charging circuit element on substrate 4 and is flowed towards air regulator 6, and be discharged from air regulator 6.Second air-flow k2 is inhaled from air regulator 7
Enter, and with the first air-flow k1 branch, by the charging on substrate 4 with circuit element (cooling charging circuit element), towards wind
Window 8 flows, and is discharged from air regulator 8.As shown in figure 8, the first air-flow k1 and the second air-flow k2 be from air regulator 7 before being inhaled into, from
In the air regulator 5b sucking battery pack 5 of battery pack 5, the battery unit 5c etc. in cooling battery pack 5, and be discharged from air regulator 5a, from wind
Window 7 is inhaled into charging unit 1B.
According to the present embodiment, due to the cooling battery of powerful and fresh air-flow by being generated by two fans 15,16
Group 5, therefore, can be improved the cooling efficiency of battery pack 5.In addition, also by the cooling substrate of the second air-flow k2 after cooling battery pack 5
Charging circuit element on 4, therefore, fever that can suitably to inductive charging electricity consumption circuit component.In addition, in terms of waterproof,
Effect same as embodiment 1 can be obtained.
Embodiment 3
Fig. 9 is to be equipped with the front sectional view of the state of battery pack 5 in the charging unit 1C of embodiments of the present invention 3.
The charging unit 1B that charging unit 1C is equivalent to embodiment 2 shown in Fig. 7 deletes the charging unit of fan 15.In this reality
It applies in mode, air regulator 6 is the first air entry, and air regulator 7 is the second air entry, and air regulator 8 is exhaust outlet.Fan 16 generates the first air-flow
K1 and the second air-flow k2.First air-flow k1 is inhaled into from air regulator 7, and by the charging on substrate 4, with circuit element, (cooling charging is used
Circuit element), it is flowed towards air regulator 8, and be discharged from air regulator 8.First air-flow k1 from air regulator 7 before being inhaled into, with embodiment party
Formula 2 (Fig. 8) similarly cools down battery pack 5.Second air-flow k2 is inhaled into from air regulator 6, in the suction side of fan 16 (under air regulator 7
The space of side) collaborate with the first air-flow k1, pass through the charging on substrate 4 circuit element (cooling charging circuit element), court
It flows to air regulator 8, and is discharged from air regulator 8.
According to the present embodiment, by the cooling battery pack 5 of the first air-flow k1, and make not carrying out battery pack 5 cooling
The interflow second air-flow k2 and the first air-flow k1 and be used for the cooling of the charging circuit element on substrate 4, therefore, with only by pair
Battery pack 5 carries out the case where air-flow after cooling cooling charging circuit element and compares, and can be improved charging circuit element
Cooling efficiency.In addition, due to generating the first air-flow k1 and the second air-flow k2 using single fan 16, with embodiment 1
Similarly, number of parts is few, at low cost, is conducive to minimize.In addition, can also be obtained and 1 phase of embodiment in terms of waterproof
Same effect.
Embodiment 4
Figure 10 is to be equipped with the front sectional view of the state of battery pack 5 in the charging unit 1D of embodiments of the present invention 4.
Charging unit 1D is compared with the charging unit of embodiment 3 shown in Fig. 9, the difference lies in that having added fan 17, and lower case
3 air regulator 8 is replaced by the air regulator 9 of upper housing 2, in other aspects unanimously.Charging circuit element of the fan 17 on substrate 4
Set on the opposite side of fan 16, and to suck air and to the left 9 side of air regulator from the right of Figure 10 (circuit element side is used in charging)
The mode of submitting is kept by lower case 3.According to the present embodiment, by making two, fan, compared with embodiment 3, though
Right number of parts increases, but is capable of increasing the air quantity of cooling wind.In addition, since the air regulator 9 for becoming exhaust outlet is set to charging unit
Therefore it is capable of the top of the cooling charging circuit element of emphasis in the top of 1D.
Embodiment 5
Figure 11 is to be equipped with the front sectional view of the state of battery pack 5 in the charging unit 1E of embodiments of the present invention 5.
Charging unit 1E is compared with the charging unit of embodiment 1 shown in fig. 6, the difference lies in that having added fan 16, and in lower casing
Body 3 has added the air regulator 10 as air entry, in other aspects unanimously.Fan 16 is identical with embodiment 3 shown in Fig. 9
Configuration.Fan 15 and fan 16 generate the first air-flow k1 and the second air-flow k2.First air-flow k1 is inhaled into from air regulator 6, in fan
15 and fan 16 suction side and the second air-flow k2 collaborate, a part is (cooling to charge with circuit element by the charging on substrate 4
With circuit element), it is flowed towards air regulator 8, and be discharged from air regulator 8, remainder does not pass through the charging circuit element on substrate 4
And it is flowed towards air regulator 7, and be discharged from air regulator 7.Second air-flow k2 is inhaled into from air regulator 10, in the sucking of fan 15 and fan 16
Side and the first air-flow k1 collaborate, and a part is not flowed by the charging circuit element on substrate 4 towards air regulator 7, and from wind
Window 7 is discharged, and remainder with circuit element (cooling charging circuit element), is flowed by the charging on substrate 4 towards air regulator 8
It is dynamic, and be discharged from air regulator 8.According to the present embodiment, cooling by the powerful and fresh air-flow generated by two fans 15,16
Therefore the cooling effect of battery pack 5 and charging circuit element can be improved in charging circuit element in battery pack 5 and substrate 4
Rate.In addition, effect same as embodiment 1 can be obtained in terms of waterproof.
Embodiment 6
Figure 12 is to be equipped with the front sectional view of the state of battery pack 5 in the charging unit 1F of embodiments of the present invention 6.
Compared with the charging unit of charging unit 1F embodiment 5 shown in Figure 11, the difference lies in that the first air-flow k1 and the second air-flow
K2 is separated from each other (independence) by 12 trend of rib, in other aspects unanimously.Fan 15 and fan 16 generate the first air-flow k1 and the
Two air-flow k2.First air-flow k1 is inhaled into from air regulator 6, passes through circuit element (the cooling charging circuit elements of the charging on substrate 4
Part), it is flowed towards air regulator 8, and be discharged from air regulator 8.Second air-flow k2 is inhaled into from air regulator 10, does not pass through the charging on substrate 4
It is circulated with circuit element towards air regulator 7, and is discharged from air regulator 7.According to the present embodiment, by being produced by two fans 15,16
Charging circuit element in the cooling battery pack 5 of raw powerful and fresh air-flow and substrate 4, therefore, can be improved battery pack 5 and
The charging cooling efficiency of circuit element.In addition, effect same as embodiment 1 can be obtained in terms of waterproof.
More than, the present invention is described by taking embodiment as an example, it is understood by one of ordinary skill in the art that embodiment party
Each structural element of formula, variety of processes can carry out various modifications in the range of claim is recorded.Hereinafter, being related to deforming
Example.
In the structure of Fig. 7, Figure 11 and Figure 12, wind is replaced by using the single centrifugal fan for example tiltedly configured
Fan 15 and fan 16 can also generate the first air-flow k1 and the second air-flow k2 by single fan.In this case, although it is cooling
The air quantity of wind declines, but can reduce number of parts.It in Figure 11 and Figure 12, also may be constructed are as follows: make fan 15 and fan 16
Direction overturning, air regulator 7,8 become air entry, air regulator 6,10 become exhaust outlet.
Symbol description
1A~1F-charging unit (charger), 2-upper housings (upper outline border), 2a-battery pack department of assembly, 3-lower cases
(lower outline border), 3a-foot, 4-substrates (main substrate), 5-battery packs, 5a, 5b-air regulator, 6~10-air regulators, 12~14-
Rib, 15~17-fans, 21-switch elements, 22-photoelectrical couplers, 23-transformers, 24-diodes, 25~27-dissipate
Backing, the first air-flow of k1-, the second air-flow of k2-.
Claims (12)
1. a kind of charging unit, which is characterized in that have:
Shell, has setting unit in lower surface, has battery pack department of assembly in upper surface；
Fan is set inside the housing；And
Charging circuit element, sets inside the housing,
Above-mentioned shell has exhaust outlet, the first air entry and the second air entry,
Above-mentioned exhaust outlet matches portion towards above-mentioned battery assembly,
Said fans generate air-flow include:
First air-flow is inhaled into from above-mentioned first air entry, not by above-mentioned charging circuit element towards above-mentioned exhaust
Mouth flowing；And
Second air-flow is inhaled into from above-mentioned second air entry, by above-mentioned charging circuit element, is closed with above-mentioned first air-flow
It flows and is flowed towards above-mentioned exhaust outlet.
2. charging unit according to claim 1, which is characterized in that
Said fans are set to the lower section of above-mentioned battery pack department of assembly,
Above-mentioned first air entry is set to the lower surface of above-mentioned shell, opposed with above-mentioned exhaust outlet.
3. charging unit according to claim 1 or 2, which is characterized in that
Above-mentioned charging circuit element is set to the position avoided between above-mentioned exhaust outlet and above-mentioned first air entry.
4. a kind of charging unit, which is characterized in that have:
Shell, has setting unit in lower surface, has battery pack department of assembly in upper surface；
Fan is set inside the housing；And
Charging circuit element, sets inside the housing,
Above-mentioned shell has air entry and first row port and second exhaust port,
Above-mentioned air entry matches portion towards above-mentioned battery assembly,
Said fans generate air-flow include:
First air-flow is inhaled into from above-mentioned air entry, not by above-mentioned charging circuit element towards above-mentioned first exhaust
Mouth flowing, and
Second air-flow is inhaled into from above-mentioned air entry, with above-mentioned first air flows, passes through above-mentioned charging circuit element
It is flowed towards above-mentioned second exhaust port.
5. charging unit according to claim 4, which is characterized in that
Said fans are provided at the single fan of the lower section of above-mentioned battery pack department of assembly,
Above-mentioned first row port is set to the lower surface of above-mentioned shell, opposed with above-mentioned air entry.
6. charging unit according to claim 4 or 5, which is characterized in that
Above-mentioned charging circuit element is set to the position avoided between above-mentioned air entry and above-mentioned first row port.
7. the charging unit according to any one of claim 4 to 6, which is characterized in that
Said fans have in the first fan being set between above-mentioned air entry and above-mentioned first row port in said flow and set
The second fan between above-mentioned air entry and above-mentioned second exhaust port.
8. a kind of charging unit, which is characterized in that have:
Shell, has setting unit in lower surface, has battery pack department of assembly in upper surface；
Fan is set inside the housing；And
Charging circuit element, sets inside the housing,
Above-mentioned shell has the first air entry, the second air entry and exhaust outlet,
Above-mentioned first air entry matches portion towards above-mentioned battery assembly,
Said fans generate air-flow include:
First air-flow is inhaled into from above-mentioned first air entry, by above-mentioned charging circuit element towards above-mentioned exhaust outlet
Flowing；And
Second air-flow is inhaled into from above-mentioned second air entry, is collaborated with above-mentioned first air-flow, is passed through above-mentioned charging circuit elements
Part and towards above-mentioned exhaust outlet flow.
9. charging unit according to claim 8, which is characterized in that
Above-mentioned second air entry is set to the lower surface of above-mentioned shell, opposed with above-mentioned first air entry.
10. charging unit according to claim 8 or claim 9, which is characterized in that
Above-mentioned charging circuit element is set to the position avoided between above-mentioned first air entry and above-mentioned second air entry.
11. a kind of charging unit, which is characterized in that have:
Shell, has setting unit in lower surface, has battery pack department of assembly in upper surface；
Single fan, sets inside the housing；And
Charging circuit element, sets inside the housing,
Above-mentioned shell has the first air entry, the second air entry, first row port and second exhaust port,
Above-mentioned first air entry or above-mentioned first row port state battery pack department of assembly upwardly,
The air-flow that said fans generate is inhaled into from above-mentioned first air entry and above-mentioned second air entry respectively and mutually collaborates, one
Part is not flowed by above-mentioned charging circuit element towards above-mentioned first row port, and remainder passes through above-mentioned charging electricity consumption
Circuit component and towards above-mentioned second exhaust port flow.
12. a kind of charging unit, which is characterized in that have:
Shell, has setting unit in lower surface, has battery pack department of assembly in upper surface；
Single fan, sets inside the housing；And
Charging circuit element, sets inside the housing,
Above-mentioned shell has the first air entry, the second air entry, first row port and second exhaust port,
Above-mentioned first air entry or above-mentioned first row port state battery pack department of assembly upwardly,
Said fans generate air-flow include:
First air-flow is inhaled into from above-mentioned first air entry, not by above-mentioned charging circuit element towards above-mentioned first
Exhaust outlet flowing；And
Second air-flow is inhaled into from above-mentioned second air entry, by above-mentioned charging circuit element towards above-mentioned second row
Port flowing,
Above-mentioned first air-flow and above-mentioned second air-flow flow independently of each other.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-109137 | 2016-05-31 | ||
| JP2016109137 | 2016-05-31 | ||
| PCT/JP2017/016969 WO2017208710A1 (en) | 2016-05-31 | 2017-04-28 | Charging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109328422A true CN109328422A (en) | 2019-02-12 |
Family
ID=60478185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780033648.0A Pending CN109328422A (en) | 2016-05-31 | 2017-04-28 | Charging unit |
Country Status (3)
| Country | Link |
|---|---|
| JP (3) | JP6835084B2 (en) |
| CN (1) | CN109328422A (en) |
| WO (1) | WO2017208710A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113454832A (en) * | 2019-02-28 | 2021-09-28 | 工机控股株式会社 | Charging device |
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| WO2017208710A1 (en) * | 2016-05-31 | 2017-12-07 | 日立工機株式会社 | Charging device |
| TWM604073U (en) | 2018-07-30 | 2020-11-11 | 美商米沃奇電子工具公司 | Battery charger |
| CN210120406U (en) | 2018-10-17 | 2020-02-28 | 米沃奇电动工具公司 | Battery charger |
| KR20220114565A (en) | 2019-12-03 | 2022-08-17 | 밀워키 일렉트릭 툴 코포레이션 | Battery pack and charger system |
| CN116937038A (en) * | 2023-09-15 | 2023-10-24 | 河南锂动电源有限公司 | Wind power energy storage lithium battery pack |
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Also Published As
| Publication number | Publication date |
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| JP6835084B2 (en) | 2021-02-24 |
| WO2017208710A1 (en) | 2017-12-07 |
| JP2021078353A (en) | 2021-05-20 |
| JP2022140486A (en) | 2022-09-26 |
| JP7107399B2 (en) | 2022-07-27 |
| JPWO2017208710A1 (en) | 2019-01-10 |
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