CN114256920B - MINI type two-in-one super quick charge - Google Patents
MINI type two-in-one super quick charge Download PDFInfo
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- CN114256920B CN114256920B CN202111499993.8A CN202111499993A CN114256920B CN 114256920 B CN114256920 B CN 114256920B CN 202111499993 A CN202111499993 A CN 202111499993A CN 114256920 B CN114256920 B CN 114256920B
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- Prior art keywords
- circuit board
- circuit
- lithium battery
- control circuit
- cover
- Prior art date
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 32
- 238000001914 filtration Methods 0.000 claims description 10
- 230000001360 synchronised effect Effects 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 2
- 238000005429 filling process Methods 0.000 claims description 2
- 230000017525 heat dissipation Effects 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 14
- 229910052759 nickel Inorganic materials 0.000 description 7
- 241000209219 Hordeum Species 0.000 description 3
- 235000007340 Hordeum vulgare Nutrition 0.000 description 3
- 239000006260 foam Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
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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
- 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
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
-
- 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
- H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
-
- 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention belongs to the technical field of quick chargers, and particularly relates to a MINI type two-in-one super quick charger, which comprises a lithium battery, a circuit board and a shell; the circuit board comprises a first circuit board, a second circuit board and a third circuit board, wherein the first circuit board is fixed on the bracket in a buckling manner, an insulating PC cover is arranged on the first circuit board, the third circuit board is supported and fixed by the insulating PC cover, and two ends of the second circuit board are respectively inserted into one side between the first circuit board and the third circuit board; the lithium battery is electrically connected with the output port of the third circuit board; the support is fixedly connected with the shell, and the shell encapsulates the lithium battery, the circuit board and the support. The two-in-one super quick charge realizes the functions of a mobile power supply and a plug type power supply, and meets the functions of one charge and multiple purposes; the combined and stacked structure of the circuit boards can effectively utilize space through reasonable layout, and the size of the charger is reduced.
Description
Technical Field
The invention belongs to the technical field of quick charge, and particularly relates to a MINI type two-in-one super quick charge.
Background
With the rapid development of the internet age, people depend on consumer electronic products, so that business trips, traveling and carrying an ultra-heavy mobile power supply and a plug-type charger as usual are all required. Therefore, when traveling or going on business, the backpack or the luggage case needs to carry a certain weight, and particularly, the existing mobile power supply is integrated by adopting a plurality of battery packs for storing electric energy, so that the mobile power supply has larger volume and is heavier.
Therefore, the quick charging device is urgent to provide a quick charging device capable of realizing quick charging and storing electric energy, and has the advantage of volume.
Disclosure of Invention
The invention aims to provide a MINI type two-in-one super quick charge, which aims to solve the technical problems that the existing quick charge does not have the function of storing electric energy and the existing mobile power supply and the quick charge are large in size after being combined.
In order to achieve the above purpose, the invention provides a MINI type two-in-one super quick charge, which comprises a lithium battery, a circuit board and a shell; the circuit board comprises a first circuit board, a second circuit board and a third circuit board, wherein the first circuit board is fixed on the bracket in a buckling manner, an insulating PC cover is arranged on the first circuit board, the third circuit board is supported and fixed by the insulating PC cover, and two ends of the second circuit board are respectively inserted into one side between the first circuit board and the third circuit board; the lithium battery is electrically connected with the output port of the third circuit board; the support is fixedly connected with the shell, and the shell encapsulates the lithium battery, the circuit board and the support.
The MINI type two-in-one super quick charge device is characterized in that the shell comprises a lower shell and an upper cover, the upper cover is provided with a guide pillar and a splicing edge which are correspondingly spliced, the lower shell is provided with a guide pillar jack, the guide pillar of the upper cover is inserted into the guide pillar jack, and the splicing edge is embedded in the lower shell and is fixed with a splicing seam through dispensing.
The MINI type two-in-one super quick charge device comprises a lower shell, a lower shell and a top cover, wherein the lower shell is provided with a screw column, and the screw column is diagonally arranged; the support is fixedly connected with the screw column through a screw.
The MINI type two-in-one super quick charger is characterized in that a first back-off and a second back-off are arranged on a bottom plate of the bracket, and a first circuit board is buckled and fixed through the first back-off and the second back-off.
The MINI type two-in-one super quick charge device is characterized in that a first buckling groove and a second buckling groove are correspondingly formed in the first circuit board, and the first buckling groove and the second buckling groove are located on the front side plate edge of the first circuit board.
The MINI type two-in-one super quick charge device is characterized in that a third back-off and a fourth back-off are arranged at the bottom of the insulating PC cover, the third back-off is located at one side of the insulating PC cover, and the fourth back-off is located at the other side of the insulating PC cover.
And the MINI type two-in-one super quick charge device is characterized in that a third buckling groove and a fourth buckling hole are respectively and correspondingly arranged on the left side and the right side of the first circuit board.
The MINI type two-in-one super fast charge device comprises a first circuit board and a second circuit board, wherein the first circuit board comprises an AC input port, a rectifying and filtering circuit, a high-frequency transformer and a PWM control circuit, and the AC input port, the rectifying and filtering circuit and the high-frequency transformer are sequentially connected; the PWM control circuit is connected with the high-frequency transformer.
The MINI TYPE two-in-one super quick charge device comprises a third circuit board, a synchronous rectification circuit, an output filter circuit, an output protocol control circuit, a BUCK circuit and a TYPE-C interface, wherein the input end of the synchronous rectification circuit is connected with the output end of a high-frequency transformer, the output end of the synchronous rectification circuit is connected with the output filter circuit, the output filter circuit is respectively connected with the BUCK circuit and the output protocol control circuit, the BUCK circuit is mutually connected with a lithium battery, and the output protocol control circuit is respectively connected with the TYPE-C interface and the BUCK circuit.
And the MINI type two-in-one super fast charge is characterized in that the second circuit board is integrated with a feedback circuit, and the feedback circuit is respectively connected with the PWM control circuit and the output protocol control circuit.
Compared with the prior art, the invention has the beneficial effects that: the two-in-one super quick charge realizes the functions of a mobile power supply and a plug type power supply, and meets the functions of one charge and multiple purposes; the combined and stacked structure of the circuit boards can effectively utilize space through reasonable layout, and the size of the charger is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an exploded view of the present invention.
Fig. 2 is an enlarged view of part a of the present invention.
Fig. 3 is a perspective view of the invention with the upper cover removed.
Fig. 4 is a perspective view of the invention with the bracket and housing removed.
Fig. 5 is an exploded view of the invention with the bracket and housing removed.
Fig. 6 is a perspective view of the upper cover of the present invention.
Fig. 7 is a perspective view of the lower case of the present invention.
Fig. 8 is a block diagram of a circuit board module of the present invention.
In the figure: lithium battery 1, circuit board 2, casing 3, 4 first circuit board, 5 second circuit board, third circuit board 6, bracket 7, insulating PC cover 8, plug 9, guide post 10, splice edge 11, guide post jack 12, screw post 13, screw 14, battery negative connecting wire 15, battery positive connecting wire 16, battery positive nickel plate 17, battery negative nickel plate 18, highland barley paper 19, foam pad 20, first back button 21, second back button 22, upper cover 30, lower case 31, first button slot 40, second button slot 41, third button slot 42, fourth button hole 43, bottom plate 70, back plate 71, third back button 80, fourth back button 81, button slot 82, AC input port 400, rectifying and filtering circuit 401, high frequency transformer 402, PWM control circuit 403, feedback circuit 500, synchronous rectifying circuit 600, output filtering circuit 601, output protocol control circuit 602, BUCK circuit 603, tpe-ypc interface 604, button 300, press hole 301, light shielding film 302, indicator lamp 60, and light shielding key 61.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to illustrate embodiments of the invention and should not be construed as limiting the invention.
In the description of the embodiments of the present invention, it should be understood that, if there is an indication of directionality in the embodiments of the present invention, such as the direction or positional relationship indicated by the upper, lower, left, right, front, rear, inner, outer, etc. is based on the direction or positional relationship shown in the drawings, this is merely for convenience of describing the embodiments of the present invention and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present invention, the meaning of "plurality" is two or more, unless explicitly defined otherwise.
In the embodiments of the present invention, unless explicitly stated or limited otherwise, terms such as "mounted," "connected," "secured" and the like are to be construed broadly as being either fixedly connected or detachably connected or integrally formed, for example. Either mechanically or electrically. Can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present invention will be understood by those of ordinary skill in the art according to specific circumstances.
As shown in fig. 1 to 8, the present invention discloses a MINI two-in-one super fast charge, comprising a lithium battery 1, a circuit board 2 and a housing 3; the circuit board 2 comprises a first circuit board 4, a second circuit board 5 and a third circuit board 6, the first circuit board 4 is fixed on a bracket 7 in a buckling manner, an insulating PC cover 8 is arranged on the first circuit board 4, the third circuit board 6 is supported and fixed by the insulating PC cover 8, and two ends of the second circuit board 5 are respectively inserted into one side between the first circuit board 4 and the third circuit board 6; the lithium battery 1 is electrically connected with an output port of the third circuit board 6; the support 7 is fixedly connected with the shell 3, and the shell 3 encapsulates the lithium battery 1, the circuit board 2 and the support 7; the plug 9 is installed to the bottom plate 70 of support 7, and plug 9 passes through positive negative pole piece and is connected with the input of first circuit board 4, can realize the function of quick charge through plug 9 cooperation first circuit 4, second circuit board 5 and third circuit board 6, then can realize portable power source's function in cooperation lithium cell 1 again.
According to the invention, the lithium battery is used as a mobile power supply to store electric energy, the first circuit board 4 and the bracket 7 are buckled and fixedly installed, the second circuit board 5 is respectively inserted between one sides of the first circuit board 1 and the third circuit board 6, the third circuit board 6 is fixed through the insulating PC cover 8 and the second circuit board 5, and the two circuit boards are mutually stacked and assembled to be fixed, so that the space is reasonably and effectively utilized, the volume of two-in-one super-fast charge is reduced, and the super-fast charge is more convenient to carry; meanwhile, as the lithium battery is used for storing electric energy, the weight of super fast charging is greatly reduced, and the lithium battery is smaller in volume and lighter in weight according to the same storage electric quantity comparison.
The first circuit board 4, the second circuit board 5 and the third circuit board 6 are all arranged on the corresponding circuit boards through reasonable layout, so that the space is reasonably and effectively utilized, and the volume of the two-in-one charger is reduced.
Preferably, a high thermal conductivity silicone (not shown) is filled between the first circuit board 4, the second circuit board 5, the insulating PC cover 8 and the third circuit board 6; the heat between the circuit boards is better radiated through the shell 3, the temperature of the charger is controlled in a controllable range, and the service life of the whole quick charger is prolonged. The high-heat-conductivity silica gel filling process is adopted, so that the problem of uneven heat dissipation of high power density is solved.
Preferably, the housing 3 includes a lower shell 31 and an upper cover 30, the upper cover 30 is provided with a guide post 10 and a splicing edge 11 which are correspondingly inserted, the lower shell 31 is provided with a guide post jack 12, the guide post 10 of the upper cover 30 is inserted into the guide post jack 12, and the splicing edge 11 is embedded in the lower shell 31 and fixes a splicing seam by dispensing; therefore, the assembly is more convenient, the accurate alignment can be realized by utilizing the guide post to be matched with the guide post jack, the assembly speed is improved, and the upper cover and the lower shell are fixed by being matched with dispensing, so that the upper cover and the lower shell are more tightly and firmly fixed.
Preferably, the lower case 31 is provided with a screw column 13, and the screw column 13 is diagonally arranged; the bracket 7 is fixedly connected with the screw column 13 through a screw 14; because the bolt post 13 diagonally sets up in the inferior valve open end, screw 14 passes at the diagonal of support 7 to cooperate the bolt post 13 to screw up fixedly, so better location in the time of the installation, the equipment of being convenient for. In the invention, the bracket 7 is provided with a notch, and the battery negative electrode connecting wire 15 and the battery positive electrode connecting wire 16 of the lithium battery 1 are respectively and electrically connected with the third circuit board 6 by utilizing the notch of the bracket 7; the charging of the lithium battery 1 can be achieved by means of the third circuit board 6, while the lithium battery 1 can also be discharged by means of the third circuit board 6 for charging the charging device.
In the invention, a battery anode nickel plate 17 is arranged at the bottom of a back plate 71 of the bracket 7, a battery cathode nickel plate 18 is pressed on a bottom plate in the lower shell 31 by the bottom of the lithium battery 1, and highland barley paper 19 and a foam cushion 20 are sequentially filled between the battery cathode nickel plate 18 and the bottom plate in the lower shell 31. The highland barley paper 19 can realize the waterproof function of the quick charge storage electric energy part, and plays an insulating role, and the sponge cushion 20 can play a role in shock absorption and buffering. The battery positive electrode connecting wire 16 is connected with a battery positive electrode nickel plate 17, and the battery negative electrode connecting wire 15 is connected with a battery negative electrode nickel plate 18.
Specifically, the bottom plate 70 of the bracket 7 is provided with a first back-off 21 and a second back-off 22, the first circuit board 4 is fastened and fixed by the first back-off 21 and the second back-off 22, and the first back-off 21 and the second back-off 22 are respectively arranged upwards and are located at the front end of the bottom plate 70.
Specifically, the first circuit board 4 is correspondingly provided with a first buckling groove 40 and a second buckling groove 41, and the first buckling groove 40 and the second buckling groove 41 are located at the front side board edge of the first circuit board 4.
After the structure is adopted, the first back-off 21 and the first buckling groove 40 are matched and buckled and fixed, and the second back-off 22 and the second buckling groove 41 are matched and buckled and fixed, so that the first circuit board 4 is fixed on the bracket 7.
Specifically, the bottom of the insulating PC cover 8 is provided with a third back-off 80 and a fourth back-off 81, the third back-off 80 is located at one side of the insulating PC cover 8, and the fourth back-off 81 is located at the other side of the insulating PC cover 8.
Specifically, the left side and the right side of the first circuit board 4 are respectively provided with a third buckling groove 42 and a fourth buckling hole 43 correspondingly; so the insulating PC cover 8 is hooked on one side of the first circuit board 4 by the third back-off 80 cooperating with the third buckling groove 42, and the fourth back-off 81 is hooked on the back of the first circuit board 4 by the fourth buckling hole 43, so as to fix the other side.
Specifically, the first circuit board 4 includes an AC input port 400, a rectifying and filtering circuit 401, a high-frequency transformer 402, and a PWM control circuit 403, where the AC input port 400, the rectifying and filtering circuit 401, and the high-frequency transformer 402 are sequentially connected; the PWM control circuit 403 is connected to the high frequency transformer 402.
The invention realizes charging by connecting the AC input port 400 with the plug 9, and a protection resistor is also connected between the AC input port 400 and the rectifying and filtering circuit 401. The voltage charged is rectified and filtered by the rectifying and filtering circuit 401 and then regulated by the high frequency transformer 402, which high frequency transformer 402 is controlled by the PWM control circuit 403.
Specifically, the third circuit board 6 includes a synchronous rectification circuit 600, an output filter circuit 601, an output protocol control circuit 602, a BUCK circuit 603 and a TYPE-C interface 604, where an input end of the synchronous rectification circuit 600 is connected with an output end of the high frequency transformer 402, an output end of the synchronous rectification circuit 600 is connected with the output filter circuit 601, the output filter circuit 601 is connected with the BUCK circuit 603 and the output protocol control circuit 602, the BUCK circuit 603 is connected with the lithium battery 1, and the output protocol control circuit 602 is connected with the TYPE-C interface 604 and the BUCK circuit 603.
Preferably, the insulating PC cover 8 is provided with a clamping groove 82 corresponding to the TYPE-C interface 604.
The output protocol control circuit 602 implements a fast charging protocol for controlling the TYPE-C interface 604 and the charging device, and simultaneously can feed back a signal to the PWM control circuit 403 when the TYPE-C interface 604 is not connected to the charging device, thereby implementing regulation of the control voltage of the high frequency transformer 402; the output filter circuit 601 can charge the lithium battery 1 through the BUCK circuit 603, after the lithium battery 1 is full, the output filter circuit 601 can feed back to the output protocol control circuit 602 through the BUCK circuit 603, and then the PWM control circuit 403 can be controlled to stop charging; meanwhile, the lithium battery 1 can charge the charging equipment through the BUCK circuit 603 and the output protocol control circuit 602.
Preferably, the output protocol control circuit 602 employs a south core SC2002PD protocol.
Specifically, the second circuit board 5 integrates a feedback circuit 500, the feedback circuit 500500 is respectively connected to the PWM control circuit 403 and the output protocol control circuit 602, and the output protocol control circuit 602 feeds back, to the PWM control circuit 402, whether the lithium battery 1 is full, a signal indicating that the charging device is full, or whether the TYPE-C interface is connected to the charging device, through the feedback circuit 500, so that the PWM control circuit 403 controls the high-frequency transformer 402.
Preferably, the upper cover 30 is provided with a key hole 301 for installing the key 300, the third circuit board 6 is provided with a plurality of indicator lamps 60, the bottom of the key 300 is also provided with a shading sheet 302, and shading cotton 61 is further paved on the indicator lamps 60, so that the problem of dazzling of the indicator lamps 60 is solved.
The two-in-one super quick charge realizes the functions of a mobile power supply and a plug type power supply, and meets the functions of one charge and multiple purposes; the combined and stacked structure of the circuit boards can effectively utilize space through reasonable layout, and the size of the charger is reduced.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (8)
1. The MINI type two-in-one super quick charge is characterized by comprising a lithium battery, a circuit board and a shell; the circuit board comprises a first circuit board, a second circuit board and a third circuit board, wherein the first circuit board is fixed on the bracket in a buckling manner, an insulating PC cover is arranged on the first circuit board, the third circuit board is supported and fixed by the insulating PC cover, and two ends of the second circuit board are respectively inserted into one side between the first circuit board and the third circuit board; the lithium battery is electrically connected with the output port of the third circuit board; the support is fixedly connected with the shell, and the shell encapsulates the lithium battery, the circuit board and the support;
the heat conduction silica gel with high heat conduction coefficient is filled among the first circuit board, the second circuit board, the insulating PC cover and the third circuit board; the heat among the circuit boards is better radiated through the shell, the temperature of the charger is controlled within a controllable range, and the service life of the whole quick charger is prolonged; the high-power density heat dissipation is improved by adopting a high-heat-conductivity silica gel filling process;
the first circuit board comprises an AC input port, a rectifying and filtering circuit, a high-frequency transformer and a PWM control circuit, wherein the AC input port, the rectifying and filtering circuit and the high-frequency transformer are sequentially connected; the PWM control circuit is connected with the high-frequency transformer;
the third circuit board comprises a synchronous rectification circuit, an output filter circuit, an output protocol control circuit, a BUCK circuit and a TYPE-C interface, wherein the input end of the synchronous rectification circuit is connected with the output end of the high-frequency transformer, the output end of the synchronous rectification circuit is connected with the output filter circuit, the output filter circuit is respectively connected with the BUCK circuit and the output protocol control circuit, the BUCK circuit is mutually connected with the lithium battery, and the output protocol control circuit is respectively connected with the TYPE-C interface and the BUCK circuit;
the output protocol control circuit realizes a fast charging protocol for controlling the TYPE-C interface and the charging equipment, and simultaneously can feed back signals to the PWM control circuit when the TYPE-C interface is not connected with the charging equipment, so that the control voltage of the high-frequency transformer is regulated; the output filter circuit can be used for charging the lithium battery through the BUCK circuit, after the lithium battery is full, the lithium battery can be fed back to the output protocol control circuit through the BUCK circuit, and then the PWM control circuit can be controlled to stop charging; meanwhile, the lithium battery can charge the charging equipment through the BUCK circuit and the output protocol control circuit.
2. The MINI two-in-one super quick charge according to claim 1, wherein the outer shell comprises a lower shell and an upper cover, the upper cover is provided with a guide post and a splicing edge which are correspondingly inserted, the lower shell is provided with a guide post jack, the guide post of the upper cover is inserted into the guide post jack, and the splicing edge is embedded in the lower shell and fixes the splicing seam through dispensing.
3. The MINI two-in-one super quick charge according to claim 2, wherein the lower case is provided with screw posts diagonally arranged; the support is fixedly connected with the screw column through a screw.
4. The MINI two-in-one super quick charge of claim 1, wherein the bottom plate of the bracket is provided with a first back-off and a second back-off, and the first circuit board is fastened and fixed through the first back-off and the second back-off.
5. The MINI two-in-one super charger of claim 4, wherein the first circuit board is provided with a first buckle slot and a second buckle slot in corresponding pairs, and the first buckle slot and the second buckle slot are located at a front side plate edge of the first circuit board.
6. The MINI two-in-one super quick charge of claim 1, wherein a third back-off and a fourth back-off are arranged at the bottom of the insulating PC cover, the third back-off is located at one side of the insulating PC cover, and the fourth back-off is located at the other side of the insulating PC cover.
7. The MINI two-in-one super quick charger of claim 6, wherein a third buckling groove and a fourth buckling hole are respectively and correspondingly arranged on the left side and the right side of the first circuit board.
8. The MINI two-in-one super fast charger of claim 1, wherein the second circuit board integrates a feedback circuit, the feedback circuit being connected to the PWM control circuit and the output protocol control circuit, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111499993.8A CN114256920B (en) | 2021-12-09 | 2021-12-09 | MINI type two-in-one super quick charge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111499993.8A CN114256920B (en) | 2021-12-09 | 2021-12-09 | MINI type two-in-one super quick charge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114256920A CN114256920A (en) | 2022-03-29 |
| CN114256920B true CN114256920B (en) | 2024-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111499993.8A Active CN114256920B (en) | 2021-12-09 | 2021-12-09 | MINI type two-in-one super quick charge |
Country Status (1)
| Country | Link |
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| CN (1) | CN114256920B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115313593B (en) * | 2022-08-04 | 2024-09-24 | 湖南炬神电子有限公司 | High-power supply charger |
| CN115603422B (en) * | 2022-10-26 | 2023-09-05 | 湖南炬神电子有限公司 | Detachable mobile power supply charger |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203434847U (en) * | 2013-09-16 | 2014-02-12 | 吴耀军 | Switching power supply with charging function |
| CN205283221U (en) * | 2015-12-24 | 2016-06-01 | 深圳市众合思创科技有限公司 | Fill by force and fill portable power source soon |
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| CN214013933U (en) * | 2020-12-17 | 2021-08-20 | 郴州市福瑞康电子有限公司 | Modular quick charger of coin shape |
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| US20160301239A1 (en) * | 2015-04-08 | 2016-10-13 | Boston Scientific Neuromodulation Corporation | Charging Coil Holding Device for an Implantable Medical Device Coupleable to a Controller/Charger Device |
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| CN203434847U (en) * | 2013-09-16 | 2014-02-12 | 吴耀军 | Switching power supply with charging function |
| CN205283221U (en) * | 2015-12-24 | 2016-06-01 | 深圳市众合思创科技有限公司 | Fill by force and fill portable power source soon |
| CN208401569U (en) * | 2018-05-14 | 2019-01-18 | 深圳市诺立特科技有限公司 | Double mode charging circuit and charger with it |
| CN109450010A (en) * | 2018-10-12 | 2019-03-08 | 东莞冠承精密塑胶五金有限公司 | A kind of mobile power source also serving as charger |
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| CN214013933U (en) * | 2020-12-17 | 2021-08-20 | 郴州市福瑞康电子有限公司 | Modular quick charger of coin shape |
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| CN114256920A (en) | 2022-03-29 |
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