CN205544415U - Charger - Google Patents
Charger Download PDFInfo
- Publication number
- CN205544415U CN205544415U CN201620114298.3U CN201620114298U CN205544415U CN 205544415 U CN205544415 U CN 205544415U CN 201620114298 U CN201620114298 U CN 201620114298U CN 205544415 U CN205544415 U CN 205544415U
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- Prior art keywords
- charger
- insulation shell
- printed circuit
- circuit board
- low
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- 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.)
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Abstract
The utility model provides a charger relates to battery charging outfit technical field, for solving the problem that charger easily leaks electricity, the security performance is relatively poor that exists among the prior art. Charger includes: the first insulation casing and with the 2nd insulating housing that the first insulation casing links to each other, wherein, be provided with power output interface or power output cable conductor on the first insulation casing, be provided with a printed circuit board in the first insulation casing, printed circuit board facial make -up is equipped with high -frequency transformer low -pressure section and low -voltage component, be provided with mains input terminal on the 2nd insulating housing, be provided with the 2nd printed circuit board in the 2nd insulating housing, the 2nd printed circuit board facial make -up is equipped with high -frequency transformer high -pressure part and high voltage component, high -frequency transformer low -pressure section with the high -frequency transformer high -pressure part coupling. High -pressure part keeps apart with low -pressure section among the charger, and the security performance is high.
Description
Technical field
This utility model relates to charger technical field, especially relates to a kind of charger.
Background technology
As it is shown in figure 1, what the most existing line charger was used uniformly across is overall
The shell 11 of formula, with monoblock pcb (Printed Circuit Board, printed circuit board)
The 13 high pressure components and parts 52 placing input and low-voltage component 51 and connect the copper of circuit
Book, the alternating current of input is introduced by charging plug 61, carries out rectifying and wave-filtering, controls with vibration
The components and parts such as coremaking sheet and transistor in the way of the switch of certain frequency by height later for rectification
Pressure pulse direct current, then pass through primary coil and the secondary coil of integral type high frequency transformer 12
Coupling realizes lowering and stabilizing blood pressure conversion, by USB (Universal Serial Bus, general string
Row bus) interface 62 and cable export to charging of mobile devices.
Existing charger is all arranged on one due to high pressure components and parts 52 and low-voltage component 51
In compact shell 11, in hot and humid environment, easily the high pressure of civil power is leaked to low pressure
Side.That wherein easily leak electricity is pcb13, and the Copper Foil of pcb13 to connect on high-tension side height respectively
The low-voltage component 51 of pressure components and parts 52 and low-pressure side, exhausted between high-pressure side and low-pressure side
Edge is to carry out isolating without the width of Copper Foil with increase, and the insulation width between circuit is limited,
Distance between high-low pressure components and parts is very near, when ambient humidity is bigger when, and air
In moisture content enter enclosure through the louvre of shell 11 or gap, and be attached to height
Above pressure components and parts 52, low-voltage component 51 and pcb13, thus greatly reduce pcb13
Dielectric strength.If at this time using charger, the high voltage of input can be by humidity
High pressure components and parts 52 and pcb13 on moisture content be leaked to the metal end of low-pressure side and cause leakage
Electricity, additionally the Partial Power component's feet in high pressure components and parts 52 and low-voltage component 51
If have welding portion loosening to will also result in localized hyperthermia make pcb13 carbonization, and carbonization
Area can expansion slowly, the pcb13 after carbonization can conduct electricity, and high voltage is by carbonization
Pcb13 can directly leak electricity to low-pressure side.
The charger of Switching Power Supply mode in the design of circuit, the ground end of high-pressure side and output
The ground end of the low-pressure side of end to bridge a capacitor, and this electric capacity is to examine in circuit design
Considering the needs of electromagnetic compatibility, referred to as Y capacitance or safe electric capacity, capacitance not can exceed that
4700pf, pressure voltage needs to reach DC5000v just safety, when the metal part of low-pressure side does not has
When having access protection ground wire, low-pressure side can be with the safe voltage far above 36v, this electric capacity
Quality bad and damage, will result in secondary directly with high voltage, the most present
The shell major part of mobile device all uses metal shell, and can not access protection ground wire,
As long as so there being an above-mentioned link to leak electricity, the sensation of electric shock will be caused very to user
To threat to life.
Therefore, charger of the prior art can not access protection in the metal part of low-pressure side
The electric leakage of Y capacitance can't be solved during ground wire, and the electric leakage worked in a humid environment is asked
Topic, the security performance causing charger of the prior art is poor.
Utility model content
The purpose of this utility model is to provide a kind of charger, to solve to deposit in prior art
The problem that charger easily leaks electricity, security performance is poor.
For reaching above-mentioned purpose, the technical solution of the utility model is achieved in that
The charger that this utility model provides, including: the first insulation shell with described first
The second insulation shell that insulation shell is connected, wherein,
It is provided with electric power output interface or power output cable on described first insulation shell
Line, is provided with the first printed circuit board in described first insulation shell, described first prints electricity
High frequency transformer low-pressure section and low-voltage component it is equiped with on the plate of road；
Mains electricity input end it is provided with, in described second insulation shell on described second insulation shell
It is provided with the second printed circuit board, described second printed circuit board is equiped with high frequency transformer
High-pressure section and high pressure components and parts, described high frequency transformer low-pressure section becomes with described high frequency
Depressor high-pressure section couples.
Preferably, described electric power output interface connects charging wire.
Preferably, described electric power output interface is USB interface.
Preferably, the quantity of described USB interface is multiple, and multiple described USB interface are in institute
State interval on insulation shell to arrange.
Preferably, described charger also includes the cover plate that can cover described USB interface.
Preferably, described cover plate is hinged with described first insulation shell.
Preferably, described first insulation shell is positioned at described USB interface it is provided with two
Chute, two described chutes are oppositely arranged, and the both sides of the edge that described cover plate is relative are installed on institute
State in chute, and described cover plate along described slide to cover or to open described USB interface.
Preferably, described mains electricity input end is provided with charging plug, socket or has charging
The input cable line of plug.
Preferably, described mains electricity input end is provided with charging plug, described second insulation shell
Inside being provided with plug holding tank, described charging plug is connected with driving lever, and described driving lever stretches out institute
Stating the second insulation shell, described driving lever drives described charging plug to move along described plug holding tank
Dynamic to stretch out or to retract described plug holding tank.
Preferably, described first insulation shell and described second insulation shell are cube shaped
Shape.
Relative to prior art, charger described in the utility model has the advantage that
In the charger that this utility model provides, high-pressure side and low-pressure side are individually placed to two
In independent housing (the first insulation shell and the second insulation shell), circuit leads to components and parts
Cross two printed circuit boards (the first printed circuit board and the second printed circuit board) to have distinguished
Becoming respective circuit to connect, voltage and the transmission of electric current are low with split type high frequency transformer
Laminate section and high frequency transformer high-pressure section are coupled to form, and high frequency transformer is plane manifold type
Transformator, by adjusting the frequency of oscillation of high direct voltage part and the face of plane coupling coil
Long-pending and coupling gap reaches maximum conversion efficiency.The charging provided due to this utility model
High-pressure side and low-pressure side in device are respectively in the space of two mutually insulateds, therefore,
Under any environment (including in more moist environment) and any duty, all without drawing
Play the phenomenon that low-pressure side is leaked electricity by high-pressure side, thus improve the security performance of charger.
Additionally, due to this charger that utility model provides has (the first insulation of two housings
Housing and the second insulation shell), therefore, it can allow user directly observe the first insulation
It is closed isolation between housing and the second insulation shell, from without worrying that charger has
The phenomenon of electric leakage, eliminates the mental maladjustment of user so that user is using this practicality new
More feel at ease during the charger that type provides.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model detailed description of the invention or skill of the prior art
Art scheme, below by detailed description of the invention or description of the prior art required use attached
Figure is briefly described, it should be apparent that, the accompanying drawing in describing below is of the present utility model
Some embodiments, for those of ordinary skill in the art, are not paying creative labor
On the premise of Dong, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of charger of the prior art；
The structural representation of the charger that Fig. 2 provides for this utility model embodiment one；
The structural representation of the charger that Fig. 3 provides for this utility model embodiment two.
Reference:
11-shell；12-integral type high frequency transformer；
13-PCB；21-the first insulation shell；
22-the second insulation shell；31-the first printed circuit board；
32-the second printed circuit board；41-high frequency transformer low-pressure section；
42-high frequency transformer high-pressure section；51-low-voltage component；
52-high pressure components and parts；61-charging plug；
62-USB interface；63-mains electricity input end；
64-cover plate.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely retouched
State, it is clear that described embodiment is a part of embodiment of this utility model rather than complete
The embodiment in portion.Based on the embodiment in this utility model, those of ordinary skill in the art exist
Do not make the every other embodiment obtained under creative work premise, broadly fall into this reality
By novel protected scope.
In description of the present utility model, it should be noted that term " " center ", " on ",
The orientation of the instruction such as D score, "left", "right", " vertically ", " level ", " interior ", " outward "
Or position relationship is based on orientation shown in the drawings or position relationship, it is for only for ease of description
This utility model and simplification describe rather than indicate or imply that the device of indication or element are necessary
There is specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The restriction of utility model.Additionally, term " first ", " second ", " the 3rd " are only used for retouching
State purpose, and it is not intended that indicate or hint relative importance.
In description of the present utility model, it should be noted that unless otherwise clear and definite regulation
And restriction, term " is installed ", " being connected ", " connection " should be interpreted broadly, such as, and can
To be fixing connection, it is also possible to be to removably connect, or be integrally connected；Can be machinery
Connect, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to by between intermediary
Connect connected, can be the connection of two element internals.For those of ordinary skill in the art
For, above-mentioned term concrete meaning in this utility model can be understood with concrete condition.
Embodiment one
The structural representation one of the charger that Fig. 2 provides for this utility model embodiment one；, as
Shown in Fig. 2, the charger that this utility model example one provides, including: the first insulation shell 21
And the second insulation shell 22 being connected with the first insulation shell 21, wherein,
Electric power output interface or power output cable line it is provided with on first insulation shell 21,
The first printed circuit board 31, the first printed circuit board 31 it is provided with in first insulation shell 21
On be equiped with high frequency transformer low-pressure section 41 and low-voltage component 51；
Mains electricity input end 63 it is provided with, in the second insulation shell 22 on second insulation shell 22
It is provided with the second printed circuit board 32, the second printed circuit board 32 is equiped with high frequency transformation
Device high-pressure section 42 and high pressure components and parts 52, high frequency transformer low-pressure section 41 and high frequency
Transformer high-voltage part 42 couples.
In FIG, the first insulation shell 21 is installed on the top of the second insulation shell 22,
The bottom surface of the first insulation shell 21 contacts with the end face of the second insulation shell 22, and first prints
Circuit board 31 is installed on the inside bottom surface of the first insulation shell 21, low-voltage component 51 and height
Frequency power transformer low-pressure section 41 is assembled on the first printed circuit board 31, and second prints electricity
Road plate 32 is installed on the inside top surface of the second insulation shell 22, high pressure components and parts 52 and high frequency
Transformer high-voltage part 42 is assembled on the second printed circuit board 32.
In the charger that this utility model embodiment provides, high-pressure side and low-pressure side are put respectively
In two independent housings (first insulation shell 21 and the second insulation shell 22), electricity
(the first printed circuit board 31 and second prints electricity by two printed circuit boards for road and components and parts
Road plate 32) it is respectively completed the connection of respective circuit, voltage is with split with the transmission of electric current
High frequency transformer low-pressure section 41 and the high frequency transformer high-pressure section 42 of formula are coupled to form,
High frequency transformer is the transformator of plane manifold type, by adjusting the vibration of high direct voltage part
Frequency and the area of plane coupling coil and coupling gap reach maximum conversion efficiency.By
High-pressure side and low-pressure side in the charger that this utility model embodiment provides are respectively at two
In the space of individual mutually insulated, therefore, at any environment (including in more moist environment)
With under any duty, all without the phenomenon causing high-pressure side that low-pressure side is leaked electricity, thus
Improve the security performance of charger.
Additionally, due to this charger that utility model embodiment provides has two and can facilitate
The housing (first insulation shell 21 and the second insulation shell 22) taken apart, therefore, it can allow
User is directly observed between the first insulation shell 21 and the second insulation shell 22 as envelope
Enclosed is isolated, and from without worrying that charger has the phenomenon of electric leakage, eliminates the heart of user
Reason obstacle so that user use this utility model embodiment provide charger time more
Feel at ease.
It is noted that above-mentioned electric power output interface can directly be fixedly connected with charging wire,
The other end of charging wire is charging inlet, and using charging inlet is charging equipment charging.But
It is owing to above-mentioned charging wire is non-dismountable, therefore, to be only and there is corresponding charging socket
Charger is charged, and if charging wire damage cannot change.
Therefore, in a kind of preferred implementation of the present embodiment, the first insulation shell 21
On be provided with electric power output interface, electric power output interface is USB interface 62.During charging, can
Using the charging wire with USB plug is that charging equipment is charged, when for having difference
When the equipment of charging socket is charged, replaceable corresponding charging wire, damages at charging wire
Time, it is possible to replacing charging wire continues as charging equipment and is charged.
In FIG, the quantity of USB interface 62 is one, but the number of USB interface 62
Amount is not limited to this, in order to be charged for multiple charging equipments simultaneously, USB interface 62
Quantity can be multiple, and multiple USB interface 62 are spaced setting on insulation shell.
When not using charger, need to be accepted by charger, in order to avoid charger
USB interface 62 declines into dust, in a kind of preferred implementation of this utility model embodiment
In, charger also includes the cover plate 64 that can cover USB interface 62.Use charger it
Before, cover plate 64 is opened, USB interface 62 is exposed, consequently facilitating insert charging wire；
After using charger, cover plate 64 is covered, USB interface 62 is exposed, thus keeps away
Exempt from dust to fall in USB interface 62.
Connected mode between cover plate 64 and the first insulation shell 21 has multiple, for example,
Cover plate 64 is hinged with the first insulation shell 21, and specifically, one end of cover plate 64 is by rotating
Axle and the first insulation shell 21 are hinged.In use so that cover plate 64 is around rotary shaft
Rotate, thus open or cover USB interface 62.For the ease of opening cover plate 64, cover plate
64 are provided with arc opening away from one end of rotary shaft.
Connection side in addition to above-mentioned articulated manner, between cover plate 64 and the first insulation shell 21
Formula can also be: is positioned at USB interface 62 on the first insulation shell 21 and is provided with two cunnings
Groove, two chutes are oppositely arranged, and the both sides of the edge that cover plate 64 is relative are installed in chute, and
Cover plate 64 along slide to cover or to open USB interface 62.
In the present embodiment, mains electricity input end 63 is provided with charging plug 61, socket or tool
There is the input cable line of charging plug.When mains electricity input end 63 is provided with charging plug 61,
Charging plug 61 can be fixed with the second insulation shell 22, or, in order to preferably protect
Charging plug 61, in a preferred embodiment, charging plug 61 and the second insulation shell
Relative movement can be produced between body 22, specifically, be provided with in the second insulation shell 22
Plug holding tank, charging plug 61 is connected with driving lever, and driving lever stretches out the second insulation shell 22,
Driving lever drives charging plug 61 to move to stretch out or retraction plug holding tank along plug holding tank.
It is so designed that, not using charger when, driving lever can be stirred by charging plug 61
It is recovered in plug holding tank, such that it is able to preferably protect plug, and plug is recovered to
Plug holding tank makes charger take up room diminish, it is easier to carry.
In the present embodiment, the first insulation shell 21 and the second insulation shell 22 are cube
Shape, but the shape of the first insulation shell 21 and the second insulation shell 22 is not limited to this,
In actual applications, can need to be designed as any geometry according to product design.
Embodiment two
The charger that this utility model provides can be portable charger or pacify at indoor wall
The charger of dress uses, when being made as the charger installed at indoor wall by above-mentioned charger
Used time, as in figure 2 it is shown, the knot of charger that figure two provides for this utility model embodiment two
Structure schematic diagram, charger includes: the first insulation shell 21 and with the first insulation shell 21 phase
The second insulation shell 22 even, wherein, the first insulation shell 21 is positioned at the second insulation shell
22 is internal,
Electric power output interface it is provided with, in the first insulation shell 21 on first insulation shell 21
It is provided with the first printed circuit board 31, the first printed circuit board 31 is equiped with high frequency transformation
Device low-pressure section 41 and low-voltage component 51；
Mains electricity input end 63 it is provided with, in the second insulation shell 22 on second insulation shell 22
It is provided with the second printed circuit board 32, the second printed circuit board 32 is equiped with high frequency transformation
Device high-pressure section 42 and high pressure components and parts 52, high frequency transformer low-pressure section 41 and high frequency
Transformer high-voltage part 42 couples.
In the charger that this utility model embodiment two provides, by high-pressure side and low-pressure side difference
It is placed in two independent housings (first insulation shell 21 and the second insulation shell 22),
(the first printed circuit board 31 and second is printed by two printed circuit boards for circuit and components and parts
Circuit board 32) it is respectively completed the connection of respective circuit, voltage is to divide with the transmission of electric current
High frequency transformer low-pressure section 41 and the high frequency transformer high-pressure section 42 of body formula are coupled to form,
High frequency transformer is the transformator of plane manifold type, by adjusting the vibration of high direct voltage part
Frequency and the area of plane coupling coil and coupling gap reach maximum conversion efficiency.By
High-pressure side and low-pressure side in the charger that this utility model embodiment two provides are respectively at
In the space of two mutually insulateds, therefore, (more moist environment is included at any environment
In) and any duty under, all without the phenomenon causing high-pressure side that low-pressure side is leaked electricity,
Thus improve the security performance of charger.
It is last it is noted that various embodiments above is only in order to illustrate technology of the present utility model
Scheme, is not intended to limit；Although this utility model being carried out with reference to foregoing embodiments
Detailed description, it will be understood by those within the art that: it still can be to aforementioned
Technical scheme described in each embodiment is modified, or to the most some or all of skill
Art feature carries out equivalent；And these amendments or replacement, do not make appropriate technical solution
Essence depart from this utility model each embodiment technical scheme scope.
Claims (10)
1. a charger, it is characterised in that including: the first insulation shell and with described
The second insulation shell that one insulation shell is connected, wherein,
It is provided with electric power output interface or power output cable on described first insulation shell
Line, is provided with the first printed circuit board in described first insulation shell, described first prints electricity
High frequency transformer low-pressure section and low-voltage component it is equiped with on the plate of road；
Mains electricity input end it is provided with, in described second insulation shell on described second insulation shell
It is provided with the second printed circuit board, described second printed circuit board is equiped with high frequency transformer
High-pressure section and high pressure components and parts, described high frequency transformer low-pressure section becomes with described high frequency
Depressor high-pressure section couples.
Charger the most according to claim 1, it is characterised in that described electric power exports
Interface connects charging wire.
Charger the most according to claim 1, it is characterised in that described electric power exports
Interface is USB interface.
Charger the most according to claim 3, it is characterised in that described USB interface
Quantity be multiple, multiple described USB interface are spaced setting on described insulation shell.
Charger the most according to claim 3, it is characterised in that described charger is also
Including the cover plate that can cover described USB interface.
Charger the most according to claim 5, it is characterised in that described cover plate and institute
State the first insulation shell hinged.
Charger the most according to claim 5, it is characterised in that described first insulation
Being positioned on housing at described USB interface and be provided with two chutes, two described chutes set relatively
Putting, the both sides of the edge that described cover plate is relative are installed in described chute, and described cover plate is along institute
State slide to cover or to open described USB interface.
Charger the most according to claim 1, it is characterised in that described civil power inputs
End is provided with charging plug, socket or has the input cable line of charging plug.
Charger the most according to claim 8, it is characterised in that described civil power inputs
End is provided with charging plug, is provided with plug holding tank in described second insulation shell, described
Charging plug is connected with driving lever, and described driving lever stretches out described second insulation shell, described driving lever
Described charging plug is driven to move, along described plug holding tank, described plug appearance of stretching out or retract
Receive groove.
Charger the most according to claim 1, it is characterised in that described first exhausted
Edge housing and described second insulation shell are cubic shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620114298.3U CN205544415U (en) | 2016-02-04 | 2016-02-04 | Charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620114298.3U CN205544415U (en) | 2016-02-04 | 2016-02-04 | Charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205544415U true CN205544415U (en) | 2016-08-31 |
Family
ID=56776209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620114298.3U Expired - Fee Related CN205544415U (en) | 2016-02-04 | 2016-02-04 | Charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205544415U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106532878A (en) * | 2016-09-06 | 2017-03-22 | 深圳市湖渊电气技术有限公司 | Line control illumination mobile phone safety charger |
-
2016
- 2016-02-04 CN CN201620114298.3U patent/CN205544415U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106532878A (en) * | 2016-09-06 | 2017-03-22 | 深圳市湖渊电气技术有限公司 | Line control illumination mobile phone safety charger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170906 Address after: 518000 Guangdong city of Shenzhen province Baoan District Fuyong Street Peace Junfeng Industrial Zone B2 Building 5 floor Patentee after: Shenzhen gold Digital Technology Co., Ltd. Address before: Baoan District Xixiang street Shenzhen city Guangdong province 518100 Xu solid community Xu solid all the way No. 4 Building B 268B Co-patentee before: Ma Yezhong Patentee before: Shenzhen Shenpengcheng Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20180204 |