CN110021977A - A kind of charger - Google Patents
A kind of charger Download PDFInfo
- Publication number
- CN110021977A CN110021977A CN201910234608.3A CN201910234608A CN110021977A CN 110021977 A CN110021977 A CN 110021977A CN 201910234608 A CN201910234608 A CN 201910234608A CN 110021977 A CN110021977 A CN 110021977A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- circuit
- charger
- shell
- tertiary
- 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.)
- Granted
Links
- 230000004308 accommodation Effects 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 19
- 230000005611 electricity Effects 0.000 claims description 9
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 12
- 230000006872 improvement Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 18
- 239000000758 substrate Substances 0.000 description 17
- 238000001746 injection moulding Methods 0.000 description 16
- 230000006870 function Effects 0.000 description 11
- 238000005520 cutting process Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 238000001914 filtration Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 235000013569 fruit product Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
-
- 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
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
- H02J7/06—Regulation of charging current or voltage using discharge tubes or semiconductor devices
-
- H02J2007/10—
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention provides a kind of charger, first circuit board and second circuit board that the charger includes at least shell, is electrically connected to each other, wherein the first circuit board and the second circuit board are set in the accommodation space that the shell is formed；First circuit is set on the first circuit board；Second circuit is set on the second circuit board；Wherein the extending direction of plane is different from the extending direction of plane where the second circuit board where the first circuit board.Charger by the setting embodiment of the present invention is more small in size than regular charger, and easy to carry, user experience is good.It can achieve 25W/ inches by the improvement maximum power density3, and conventional design is at 10W/ inches3Space utilization rate can be greatly improved in left and right, realize small-volume large-power, charger efficiency can also be made to improve, and loss reduces, and reach energy-efficient purpose.
Description
Technical field
The present invention relates to charging technique fields, relate more specifically to a kind of charger.
Background technique
With the continuous renewal of consumer electronics product, the development that small size high power density charger becomes following becomes
Gesture.But small size is realized, in addition to the continuous reduction of electronic component dimensionally, the application of product high frequency design, it is also necessary to
Space is rationally utilized, optimizes whole design using new layout, is finally reached the purpose for reducing product size.
Conventional charger design, it is convenient for technique, single PCB design is mostly used greatly, then plug-in unit and its pin just occupy
Most of area, while efficiency and heat dissipation in order to balance, space utilization rate is not high, keeps final products size very big.It is further
Reduce volume, the structure to current charger is needed to improve, to further decrease the volume of charger, to improve space benefit
With rate.
Summary of the invention
According to the present invention in order to solve presently, there are charger volume is excessive, the low problem of space utilization rate provides one
Kind charger, the first circuit board and second circuit board that the charger includes at least shell, is electrically connected to each other, wherein described
First circuit board and the second circuit board are set in the accommodation space that the shell is formed；
First circuit is set on the first circuit board；
Second circuit is set on the second circuit board；
The wherein extension side of the extending direction of plane where the first circuit board and second circuit board place plane
To difference.
Optionally, the charger further includes the tertiary circuit plate being electrically connected with the first circuit board, and tertiary circuit is set
It is placed at least one surface of the tertiary circuit plate being oppositely arranged；
Wherein, the extension side of the extending direction of plane where the first circuit board and tertiary circuit plate place plane
To difference.
Optionally, the second circuit board and the tertiary circuit plate be set to the first circuit board side and with
The first circuit board is arranged in a mutually vertical manner.
Optionally, in the first circuit board with the shell close to side and the shell between gap in be arranged
There is heat sink material；
And/or in the second circuit board with the shell close to side and the shell between gap in be provided with
Heat sink material；
And/or in the tertiary circuit plate with the shell close to side and the shell between gap in be provided with
Heat sink material.
Optionally, incoming line and outlet line are only set between the tertiary circuit plate and the first circuit board.
Optionally, first circuit includes at least rectification circuit, for the alternating current of charge power supply to be converted to direct current
Electricity；
And/or first circuit includes at least power conversion circuits, for changing the direct current in the charger
Voltage.
Optionally, the rectification circuit is arranged on the first circuit board close to the second circuit board and the third
The side of circuit board.
It optionally, is plug-in unit close to the side of the second circuit board and the tertiary circuit plate in the first circuit board
Face, the rectification circuit are the patch rectifier bridge being set on the plug-in unit face.
Optionally, the second circuit includes at least filter circuit, for exporting stable voltage.
Optionally, the tertiary circuit includes at least output control circuit, needed for the output for controlling the charger
Voltage.
Two arrangements are at least arranged in the accommodation space that charger shell is formed in charger according to an embodiment of the present invention
The different first circuit board in direction and second circuit board, and first circuit board and second circuit board are set to different spaces
On direction, to make full use of the inner space of the charger, by the charger of the setting embodiment of the present invention than conventional
Charger is small in size, easy to carry, and user experience is good.It can achieve 25W/ inches by the improvement maximum power density3, and
Conventional design is at 10W/ inches3Space utilization rate can be greatly improved in left and right, realize small-volume large-power, can also make charger
Efficiency improves, and loss reduces, and reaches energy-efficient purpose.
Detailed description of the invention
The embodiment of the present invention is described in more detail in conjunction with the accompanying drawings, the above and other purposes of the present invention,
Feature and advantage will be apparent.Attached drawing is used to provide to further understand the embodiment of the present invention, and constitutes explanation
A part of book, is used to explain the present invention together with the embodiment of the present invention, is not construed as limiting the invention.In the accompanying drawings,
Identical reference label typically represents same parts or step.
Fig. 1 is the electrical block diagram of charger provided by the invention；
Fig. 2 is the structural block diagram of mainboard in charger according to an embodiment of the invention；
Fig. 3 is the domain structure top view of mainboard in charger according to another embodiment of the present invention；
Fig. 4 is the domain structure top view of mainboard in charger according to yet another embodiment of the invention；
Fig. 5 is the domain structure top view of mainboard in the charger of another embodiment according to the present invention.
Attached drawing mark
100, charger
101, first circuit board
102, second circuit board
1011, the first circuit
1021, second circuit
103, shell
Specific embodiment
In the following description, a large amount of concrete details are given so as to provide a more thorough understanding of the present invention.So
And it is obvious to the skilled person that the present invention may not need one or more of these details and be able to
Implement.In other examples, in order to avoid confusion with the present invention, for some technical characteristics well known in the art not into
Row description.
In order to thoroughly understand the present invention, detailed structure will be proposed in following description, to illustrate the present invention.It is aobvious
So, execution of the invention is not limited to the specific details that the those skilled in the art are familiar with.Preferable reality of the invention
Example is applied to be described in detail as follows, however other than these detailed descriptions, the present invention can also have other embodiments, should not solve
It is interpreted as being confined to embodiments presented herein.
It should be understood that the purpose of term as used herein is only that description specific embodiment and not as the present invention
Limitation, " one " of singular, "one" and " described/should " be also intended to include plural form, unless the context clearly indicates
Other mode.When the term " comprising " and/or " including " is used in this specification, indicate there are the feature, entirety,
Step, operation, element and/or component, but do not preclude the presence or addition of other one or more features, entirety, step, operation,
Element, component and/or their combination.Term " on " used in the present invention, "lower", "front", "rear", "left", "right" with
And similar statement is for illustrative purposes only, not limits.
The cited such as ordinal number of " first " and " second " is only to identify in the present invention, without any other
Meaning, such as specific sequence etc..Moreover, for example, term " first component " itself does not imply that the presence of " second component ", art
Language " second component " does not imply that the presence of " first component " in itself.
Hereinafter, specific embodiments of the present invention are described in more detail with reference to the accompanying drawings, those figures show this
The representative embodiment of invention is not to limit the present invention.
Conventional charger design, it is convenient for technique, single PCB design is mostly used greatly, then plug-in unit and its pin just occupy
Most of area, space utilization rate is not high, keeps final products size very big.
Hereafter, the release of more mouthfuls of chargers solves the problems, such as while giving multiple devices charging, but simultaneously as defeated
The increase of outlet causes the volume of charger to increase with it.Therefore it needs to solve using new power supply topologies and scheme
This problem.It is designed using high-frequency circuit, but circuit is more complicated than conventional structure.For this purpose, the present invention, mentions to solve the above-mentioned problems
A kind of charger has been supplied, the charging device in the embodiment of the present invention has been described in detail with reference to the accompanying drawing.
Firstly, be illustrated referring to charger of the attached drawing 2 to the embodiment of the present invention, wherein Fig. 2 is one real according to the present invention
Apply the structural block diagram of mainboard in the charger of example.
As shown in Fig. 2, the charger 100 includes at least: the charger includes at least shell 103, is electrically connected to each other
First circuit board 101 and second circuit board 102, wherein the first circuit board 101 and the second circuit board 102 are arranged
In in the accommodation space that the shell is formed；
First circuit is set on the first circuit board 101；
Second circuit is set on the second circuit board 102；
The wherein extending direction of the 101 place plane of first circuit board and the 102 place plane of second circuit board
Extending direction is different.
Specifically, charger in embodiments of the present invention, the charger include each function element and/or module,
Each function element and/or module are integrated on mainboard, in an embodiment of the present invention by by each function element and/or mould
Block is integrated on the different mainboard of setting direction, and first circuit board and second circuit board are improved empty by the way of stereoscopic arrangement
Between utilization rate.Conventional structure uses veneer mode simultaneously, and cooling surface area is limited, and heat compares concentration, and single-point calorific value is big；It adopts
After more plate modes, integral heat sink area is increased, keeps heat more dispersed, solves hot concentration problem.
Optionally, shell is made of upper lower casing, and the shape of upper housing and lower case can be overlapped, upper housing and lower casing
Body card and accommodation space is formed later.
Optionally, upper housing and lower case select identical material, so that its washing shrinkage having the same, prevents through adding
It cannot block completely both after work and closed.
It optionally, is polycarbonate (PC) and acrylonitrile-butadiene-styrene (ABS) for the plastic material that shell is generally selected
(ABS) copolymer and mixture, it should be noted that the material of shell is not limited to a certain kind, shell commonly used in the art
Body material can be applied to the embodiment of reality of the invention, will not enumerate herein.
Optionally, the intensity that shell needs to have certain, with meet it is various fall, distort and sit pressure etc. test without being broken
Bad ability.
Illustratively, shell with a thickness of 0.5-4mm, for the shell of the plastic parts of injection molding, wall thickness and
The factors such as size, structure, plastic material, mould gate position, the Shooting Technique of part are related, approximate range 0.5-4mm；Too
Thin, part strength is bad, it is difficult to injection molding；It is too thick, waste of material is caused, molding cycle is long, easily shrinks, surface quality is not
It is good.
For charger, using PC material, the front wall thickness range of choice of shell is 1.0-1.2mm, mesh
It is preceding commonly with a thickness of 1.0mm (such as fruit product is larger should to select 1.2mm, such as cell phone type).
In this embodiment, the charger includes at least the first circuit board 101 and second circuit board being electrically connected to each other
102, it should be noted that the number of mainboard is not limited to a certain numberical range, can be selected according to actual needs, example
Such as selected according to the number actual conditions of the volume of charger and function element.
In an embodiment of the present invention, first circuit board 101 and second circuit board 102 can select PCB (Printed
Circuit Board, printed circuit board) substrate, ceramic substrate, pre- injection molding (Pre-mold) substrate etc..
In a specific embodiment, first circuit board 101 and second circuit board 102 select PCB (Printed
Circuit Board, printed circuit board) substrate.Wherein, the PCB by different component and Various Complex technology
Processing etc. is made, and wherein the structure of PCB circuit board has single layer, bilayer, multilayered structure, different its production sides of hierarchical structure
Formula is different.
Optionally, printed circuit board is mainly by pad, via hole, mounting hole, conducting wire, component, connector, filling, electrical
The composition such as boundary.
Further, the common layer structure of printed circuit board includes lamina (Single Layer PCB), doubling plate
(Double Layer PCB) and three kinds of multi-layer board (Multi Layer PCB), specific structure is as described below:
(1) lamina: the circuit board of copper and the deposited copper of another side is only applied on one side.Usual component, which is placed on, not to be had
The one side of copper is applied, that applies copper is mainly used for wiring and welding on one side.
(2) doubling plate: i.e. the circuit board of copper is all applied in two faces, and commonly referred to as one side is top layer (Top Layer), and another side is
Bottom (Bottom Layer).Generally using top layer as component face is placed, bottom is as component welding surface.
(3) multi-layer board: including the circuit board of multiple working surfaces, also comprising among several other than top layer and bottom
Layer, usual middle layer can be used as conductor layer, signals layer, bus plane, ground plane etc..Mutually insulated between layers, layer and layer
Connection is usually realized by via hole.
Wherein, printed circuit board includes the working surfaces of many types, such as signals layer, protective layer, silk-screen layer, interior layer
Deng details are not described herein.
Further, the substrate can be pre- injection molding (Pre-mold) substrate, wherein have note in the pre- molded plastic substrate
Conducting wire and pin are moulded, for the injection molding wire within the main structure of the substrate, the pin is located at the master of the substrate
The surface of body structure, such as inner surface and/or outer surface etc., with realize the substrate respectively with laser diode chip, driving
The electrical connection of chip and circuit board.
Wherein, the preparation method of described pre- injection molding (Pre-mold) substrate can be successively by conventional injection molding process, planing tool
It digs system and die marks forms to be formed, do not repeat herein.
Wherein, the injected plastics material of described pre- injection molding (Pre-mold) substrate can select conventional material, such as can be
Heat conductive plastic material etc., it is not limited to a certain, wherein the shape of described pre- injection molding (Pre-mold) substrate is by injection molding frame
To limit, it is not limited to a certain.
In a specific embodiment, the substrate first places PCB substrate within injection molding frame, then in the PCB
Injection molding forms cricoid groove structure on substrate.Or injection molding wire and pin are arranged in injection molding frame, then in injection molding frame
Frame injection molding.
Wherein, first circuit 1011 and second circuit 1021 include the various function elements for realizing charger charging.
In a specific embodiment of the invention, charger includes at least rectification circuit, filter circuit, energy conversion electricity
Road and output control circuit.
Specifically, rectification circuit is electrically connected to filter circuit, export after receiving AC power source rectification from input interface to filter
Wave circuit.Further, rectification circuit can be bridge rectifier.
Filter circuit is electrically connected to power conversion circuits, is filtered to DC power signal is received from rectification circuit, and
It is transmitted to power conversion circuits.
Power conversion circuits, are electrically connected to output control circuit, and the DC power signal of wave reception filtering circuit adjusts charging
Device exports energy.
Output control circuit is electrically connected to the input terminal and output end of power conversion circuits, for sampled energy conversion electricity
The output signal on road simultaneously feeds back to power conversion circuits input terminal, to adjust the defeated of power conversion circuits by power conversion circuits
Out.And further output control circuit connects output port to determine charge parameter with external equipment protocol communication, and will
Parameter is exported to the input terminal of power conversion circuits, and power conversion circuits input terminal is provided with energy conversion control circuit, is based on
It adjusts and exports from output control circuit received signal.Further power conversion circuits further include output rectifier and filter,
It is rectified and is filtered to the electric energy of the output of power conversion circuits.
Wherein, first circuit board 101 and second circuit board 102 include two surfaces being oppositely arranged, wherein described
First circuit 1011 can be set on two surfaces that first circuit board 101 is oppositely arranged and/or in second electricity
Second circuit 1021 can be set on two surfaces that road plate 102 is oppositely arranged.
Wherein, first circuit 1011 can be mounted on and/or straight cutting is packaged in the opposite of the first circuit board 101
On at least one surface being arranged.
Wherein, the first circuit 1011 being arranged on first circuit board 101 includes rectification circuit and power conversion circuits, this
The rectifier bridge is patch rectifier bridge in invention, is encapsulated on 101 plug-in unit face of first circuit board by mounting method, so as to
The current loop for making to be set to the first circuit 1011 on first circuit board is optimized to minimum, outgoing route and reaches most short, is lost
It is small, it is high-efficient.
It further, is plug-in unit close to the side of the second circuit board and the tertiary circuit plate in the first circuit board
Face, the rectification circuit are the patch rectifier bridge being set on the plug-in unit face, can select rectifier bridge as shown in Figure 1.
For example, can be electric by described first by surface mounting technology (Surface Mounted Technology, SMT)
Road 1011 is mounted on first circuit board, and specific mounting method can select mode commonly used in the art, such as utilize tin cream etc.
It is mounted on substrate by way of SMT, details are not described herein.Wherein, the straight cutting encapsulation refers to is arranged on function element
Pin, function element are directly plugged on the spliced eye of the first circuit board as plug-in unit by pin, at that time the straight cutting
Encapsulation can also select other conventional straight cutting packaged types of this field.
First circuit 1011 includes at least rectification circuit, and rectification circuit is electrically connected to filter circuit, from input interface
It exports after receiving AC power source rectification to filter circuit.In embodiments of the present invention, the second circuit that will be encapsulated by straight cutting
1021 are set on second circuit board 102, to save the space of first circuit board, make the function element on first circuit board
Setting more optimizes.
In a specific embodiment of the invention, the second circuit includes at least filter circuit, steady for exporting
Fixed voltage.More specifically, the filter circuit uses π type filter structure, specially capacitance-inductance-capacitor connection side
Formula.It can be using the structure of the part PCB-B as shown in figure 1, such as (C1-L1-C2/C3), wherein C1, C2, C3: for high-pressure electrolysis
Capacitor, L1 are inductance.
In the charger of the invention, the rectification circuit receives the alternating current of charge power supply and converts alternating current
The power conversion circuits of the first circuit, the energy conversion electricity are transmitted to after the filtering processing of second circuit for direct current
Road receives the direct current and is adjusted to the voltage swing of direct current, and is transmitted to output filter circuit, the output filter
Wave device circuit receives the direct current of power conversion circuits output and carries out steady pressure treatment to the direct current.
Wherein, the extension side of the extending direction of plane where the first circuit board and second circuit board place plane
To the setting between difference, such as first circuit board and second circuit board at an angle, the more specifically described first circuit board
The setting being generally perpendicular to each other between second circuit board.
In one embodiment of the present invention, the first circuit board is arranged along first direction, and second circuit board is along second
Direction setting, first direction and second direction are mutually perpendicular to.As an example, first circuit board is horizontally disposed, the second electricity
Road plate is arranged along the vertical direction, by the way that first circuit board and second circuit board are set to orthogonal horizontal and vertical side
To so that the space in charger on horizontal and vertical direction be made to be utilized, and capable of reducing due to only in level side
When setting up single mainboard in charger horizontal direction the problem of becoming large-sized, so that the overall volume of charger be made to subtract
It is small.
Optionally, in one embodiment of this invention, the second circuit board straight cutting is packaged on first circuit board, such as
Setting connection pad, is arranged the structures such as interconnection structure, such as soldered ball on the second circuit board on first circuit board, will be described
Ball bond is on the connection pad；Or the connection pad of groove shapes is set on the first circuit board, described the
Cylindrical connector is set on two circuit boards, the cylindrical connector is inserted into the connection pad of the groove shapes.
In another embodiment of the invention, second circuit board is provided with pin, leads to inserting for first circuit board
Hole is connect, is welded on first circuit board, so that the first second circuit is electrically connected.
In addition, the first circuit board includes first surface and second surface, wherein first circuit and described second
Circuit board is all set on the first surface, to make pyrotoxin away from shell, can greatly reduce skin temperature.
Two arrangements are at least arranged in the accommodation space that charger shell is formed in charger according to an embodiment of the present invention
The different first circuit board in direction and second circuit board, and first circuit board and second circuit board are set to different spaces
On direction, to make full use of the inner space of the charger, by the charger of the setting embodiment of the present invention than conventional
Charger is small in size, easy to carry, and user experience is good.It can achieve 25W/ inches by the improvement maximum power density3, and
Conventional design is at 10W/ inches3Space utilization rate can be greatly improved in left and right, realize small-volume large-power, can also make charger
Efficiency improves, and loss reduces, and reaches energy-efficient purpose.
With reference to the accompanying drawing 3 and 5 couples of attached drawing 4, attached drawing present invention in charger construction in another embodiment carry out it is detailed
Explanation.Wherein, Fig. 3 is the domain structure top view of mainboard in charger according to another embodiment of the present invention；Fig. 4 is basis
The domain structure top view of mainboard in the charger of yet another embodiment of the invention；Fig. 5 is that another embodiment is filled according to the present invention
The domain structure top view of mainboard in electric appliance.
As shown in Fig. 3, Fig. 4 and Fig. 5, the charger is included at least: the first circuit board PCB-A being electrically connected to each other and
Two circuit board PCB-B；
First circuit is set on the first circuit board PCB-A；
Second circuit is set on the second circuit board PCB-B；
Wherein put down where the extending direction of plane where the first circuit board PCB-A and the second circuit board PCB-B
The extending direction in face is different.
Specifically, in one example, the first circuit, is mounted on and/or straight cutting is packaged in the first circuit board PCB-A's
On at least one surface being oppositely arranged；
Second circuit, straight cutting are packaged at least one surface of the second circuit board PCB-B being oppositely arranged；
In this embodiment, other than first circuit board PCB-A and second circuit board PCB-B, the charger also into
One step includes tertiary circuit plate PCB-C.
Wherein, the charger further includes tertiary circuit, and tertiary circuit is welded on the first circuit by connector.
In embodiments of the present invention, tertiary circuit is set on tertiary circuit plate, to save first circuit board
Space is arranged the function element on first circuit board and more optimizes.
Wherein, the extension side of the extending direction of plane where the first circuit board and tertiary circuit plate place plane
To difference.
Wherein, the setting direction of first circuit board PCB-A, second circuit board PCB-B and tertiary circuit plate PCB-C can be with
Difference, but in order to save space, the space of charger is preferably utilized, in one embodiment of this invention, by two of them
It is arranged in a mutually vertical manner with another, such as the first circuit board PCB-A and second circuit board PCB-B and tertiary circuit plate
PCB-C is arranged in a mutually vertical manner.
Specifically, second circuit board PCB-B and tertiary circuit plate PCB-C are set to the one of the first circuit board PCB-A
It side and is arranged in a mutually vertical manner with the first circuit board PCB-A.
In this embodiment, first circuit board PCB-A, second circuit board PCB-B and tertiary circuit plate PCB-C are using three-dimensional
The mode of layout improves space utilization rate.Simultaneously using after more plate modes, integral heat sink area is increased, keeps heat more dispersed,
Solve hot concentration problem.
Further, the first circuit board includes the first surface and second surface being oppositely arranged, wherein the first circuit and
On the first surface of the same side that the second circuit board and the tertiary circuit plate are set to the first circuit board, described
The shell of two surfaces and charger is oppositely arranged, and first surface is set to second far from shell far from shell, through heating device
On surface, pyrotoxin can be made away from shell, skin temperature can be greatly reduced.
Further, in the first circuit board with the shell close to side and the shell between gap in be arranged
There is heat sink material；
And/or in the second circuit board with the shell close to side and the shell between gap in be provided with
Heat sink material；
And/or in the tertiary circuit plate with the shell close to side and the shell between gap in be provided with
Heat sink material.
Such as heat conductive silica gel is filled in above-mentioned each gap, reach soaking purpose, makes integral device temperature and shell
Temperature is within specification.
Optionally, the tertiary circuit includes at least output control circuit, needed for the output for controlling the charger
Voltage.
Specifically, first circuit includes at least rectification circuit, and the rectification circuit receives the alternating current of charge power supply
And direct current is converted alternating current to, after the filtering processing of second circuit, the power conversion circuits of the first circuit are transmitted to,
The power conversion circuits receive the direct current and are adjusted to the voltage swing of direct current, and are transmitted to output filter electricity
Road, the output filter circuit receive the direct current of power conversion circuits output and carry out steady pressure treatment to the direct current,
Output control circuit is adjusted according to size of the required voltage to voltage simultaneously, and by required voltage transmission to electricity to be charged
Device.
Wherein, first circuit further includes detection control module, for being detected to electronic device to be charged, with
Judge the electronic device to be charged voltage whether the voltage matches with charger, only when the voltage of charger with it is described
When the voltage matches of electronic device to be charged, the voltage of the output control circuit output response is just controlled, to be charged
Electronic device charges.
In a specific embodiment of the invention, the biggish patch rectification circuit that generates heat is placed on to the plug-in unit face of PCB-A,
Shown in Fig. 3, pyrotoxin deviates from shell, can greatly reduce skin temperature.
In addition, in this embodiment also by the way that the function element of plug-in unit is set on other mainboards after, described first
More spaces are reserved on circuit board, can the position to each function element be more reasonably configured, such as will be primary
Main loop of power circuit is optimized to minimum, in Fig. 3 shown in the loop of arrow meaning.
In another example secondary output big current loop also designs on PCB-A, outgoing route is made to reach most short, small, effect is lost
Rate is high；Amount of electromagnetic radiation is also small simultaneously, achievees the purpose that optimize EMC, shown in loop indicated by Fig. 4 arrow.
Further, it is also possible to fill heat conductive silica gel in assembled PCB and outer casing inner wall gap, reaches soaking purpose, make
Integral device temperature and skin temperature are within specification.By the above major measure, effectively solves the problems, such as heat and EMC, also reach
To reduction size purpose.
The embodiment of the present invention charging wherein, PCB-C circuit and mainboard line are less, only output and input line
Road without other signal wires, therefore is interfered small.
In such a way that more plates splice, reduce filtering device quantity, and effectively solve EMI, the problems such as temperature, spatially
It is a kind of solution for improving space utilization rate than the size that conventional design is reduced by about 40%.
The charger of the embodiment of the present invention is more small in size than regular charger, easy to carry, and user experience is good, wherein maximum
Power density can achieve 25W/ inches3, and conventional design is at 10W/ inches3Left and right, can be greatly improved space utilization rate, realize
Small-volume large-power can also be such that charger efficiency improves, and loss reduces, and reach energy-efficient purpose.
Technics is identical as the normally understood meaning of those skilled in the art of the invention.Term used herein
It is intended merely to describe specifically to implement purpose, it is not intended that the limitation present invention.The terms such as herein presented " portion ", " part "
Both it can indicate single part, can also indicate the combination of multiple parts.Herein presented " installation ", " setting " etc.
Term can both indicate that a component was attached directly to another component, can also indicate that a component is attached to by middleware
Another component.The feature described in one embodiment herein can be applied in combination individually or with other features
Another embodiment, unless this feature is not suitable for or is otherwise noted in the another embodiment.
The present invention has been explained by the above embodiments, but it is to be understood that, above-described embodiment is only intended to
The purpose of citing and explanation, is not intended to limit the invention to the scope of the described embodiments.Furthermore those skilled in the art
It is understood that the present invention is not limited to the above embodiments, introduction according to the present invention can also be made more kinds of member
Variants and modifications, all fall within the scope of the claimed invention for these variants and modifications.Protection scope of the present invention by
The appended claims and its equivalent scope are defined.
Claims (10)
1. a kind of charger, which is characterized in that the charger includes at least shell, the first circuit board that is electrically connected to each other and the
Two circuit boards, wherein the first circuit board and the second circuit board are set in the accommodation space that the shell is formed；
First circuit is set on the first circuit board；
Second circuit is set on the second circuit board；
Wherein the extending direction of plane where the extending direction of plane where the first circuit board and the second circuit board is not
Together.
2. charger according to claim 1, which is characterized in that the charger further includes and the first circuit board is electric
The tertiary circuit plate of connection, tertiary circuit are set at least one surface of the tertiary circuit plate being oppositely arranged；
Wherein, the extending direction of plane where the extending direction of plane where the first circuit board and the tertiary circuit plate is not
Together.
3. charger according to claim 2, which is characterized in that the second circuit board and tertiary circuit plate setting
In the first circuit board side and be arranged in a mutually vertical manner with the first circuit board.
4. charger according to claim 2, which is characterized in that in the first circuit board with the shell close to one
Heat sink material is provided in gap between side and the shell；
And/or in the second circuit board with the shell close to side and the shell between gap in be provided with heat dissipation
Material；
And/or in the tertiary circuit plate with the shell close to side and the shell between gap in be provided with heat dissipation
Material.
5. charger according to claim 2, which is characterized in that between the tertiary circuit plate and the first circuit board
Incoming line and outlet line are only set.
6. charger according to claim 2, which is characterized in that first circuit includes at least rectification circuit, is used for
The alternating current of charge power supply is converted into direct current；
And/or first circuit includes at least power conversion circuits, for changing the electricity of the direct current in the charger
Pressure.
7. charger according to claim 6, which is characterized in that the rectification circuit is arranged on the first circuit board
Close to the side of the second circuit board and the tertiary circuit plate.
8. charger according to claim 7, which is characterized in that close to the second circuit board in the first circuit board
Side with the tertiary circuit plate is plug-in unit face, and the rectification circuit is the patch rectifier bridge being set on the plug-in unit face.
9. charger according to claim 1, which is characterized in that the second circuit includes at least filter circuit, uses
In the voltage that output is stable.
10. charger according to claim 2, which is characterized in that the tertiary circuit includes at least output control circuit,
Voltage needed for output for controlling the charger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910234608.3A CN110021977B (en) | 2019-03-26 | 2019-03-26 | Charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910234608.3A CN110021977B (en) | 2019-03-26 | 2019-03-26 | Charger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110021977A true CN110021977A (en) | 2019-07-16 |
| CN110021977B CN110021977B (en) | 2024-03-22 |
Family
ID=67190009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910234608.3A Active CN110021977B (en) | 2019-03-26 | 2019-03-26 | Charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110021977B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110391687A (en) * | 2019-09-05 | 2019-10-29 | 安克创新科技股份有限公司 | Charger |
| CN112072768A (en) * | 2020-09-09 | 2020-12-11 | 湖南炬神电子有限公司 | Small-size charger |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090066289A1 (en) * | 2007-09-12 | 2009-03-12 | Vogel Bernard J | Battery charger with a planar bus |
| US20160007861A1 (en) * | 2014-07-08 | 2016-01-14 | iWEECARE ENTERPRISE INC. | Attachable monitoring device |
| CN105529759A (en) * | 2014-12-05 | 2016-04-27 | 比亚迪股份有限公司 | Wireless charger and charging method therefor |
| US20160329672A1 (en) * | 2015-05-04 | 2016-11-10 | James William McGinley | Housing configuration for charger plug |
| CN206250783U (en) * | 2016-10-11 | 2017-06-13 | 林嘉桦 | USB charging devices |
| CN209948702U (en) * | 2019-03-26 | 2020-01-14 | 安克创新科技股份有限公司 | A charger |
-
2019
- 2019-03-26 CN CN201910234608.3A patent/CN110021977B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090066289A1 (en) * | 2007-09-12 | 2009-03-12 | Vogel Bernard J | Battery charger with a planar bus |
| US20160007861A1 (en) * | 2014-07-08 | 2016-01-14 | iWEECARE ENTERPRISE INC. | Attachable monitoring device |
| CN105529759A (en) * | 2014-12-05 | 2016-04-27 | 比亚迪股份有限公司 | Wireless charger and charging method therefor |
| US20160329672A1 (en) * | 2015-05-04 | 2016-11-10 | James William McGinley | Housing configuration for charger plug |
| CN206250783U (en) * | 2016-10-11 | 2017-06-13 | 林嘉桦 | USB charging devices |
| CN209948702U (en) * | 2019-03-26 | 2020-01-14 | 安克创新科技股份有限公司 | A charger |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110391687A (en) * | 2019-09-05 | 2019-10-29 | 安克创新科技股份有限公司 | Charger |
| CN112072768A (en) * | 2020-09-09 | 2020-12-11 | 湖南炬神电子有限公司 | Small-size charger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110021977B (en) | 2024-03-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211018303U (en) | Charging device | |
| CN103683365B (en) | The charging system of electronic equipment and charging base | |
| CN110391687B (en) | Charger (charger) | |
| CN110021977A (en) | A kind of charger | |
| CN202906511U (en) | Charging system and charging base of electronic device | |
| CN108270381A (en) | A kind of motor driver of new structure | |
| CN209948702U (en) | A charger | |
| CN209594201U (en) | A kind of vehicle power supply structure | |
| WO2023124966A1 (en) | Wireless charging transmitting apparatus, receiving apparatus, and system thereof | |
| CN208078224U (en) | Glass insulation sub-connector and electronic equipment | |
| CN217022209U (en) | Control and protection circuit board and electric automobile charging wire on cable | |
| CN106921077B (en) | Electric power source distribution device | |
| CN214069599U (en) | Charger structure | |
| CN113692121A (en) | Power module and packaging method thereof | |
| CN107248631A (en) | Pluggable module stereo circuit structure | |
| CN208063072U (en) | A kind of new structural motor driver | |
| CN207134511U (en) | A kind of terminal of connector | |
| CN206947580U (en) | Pluggable module stereo circuit structure | |
| CN207320492U (en) | A kind of adaptor connector | |
| CN218336715U (en) | Power connector convenient to fix | |
| CN215378542U (en) | Charging device | |
| CN215818764U (en) | Power supply module | |
| CN214898950U (en) | TYPE-C terminal structure, TYPE-C connect and electrical apparatus | |
| CN219592978U (en) | Integrated high-voltage direct-current end filtering structure | |
| CN212114840U (en) | Self-adaptive quick charger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |