CN208285245U - A kind of pocket solar charger - Google Patents

Abstract

The utility model relates to one kind with frivolous folding pocket solar charger, belong to heliotechnics application field, it is that solar panels volume becomes smaller and overall structure bring solar panel rapid wear more compact, poor reliability that the utility model aim, which solves solar recharging with the key technology that volume becomes smaller,.The utility model provides multilayer circuit board encapsulation, the connection of rotary shaft electrode, reliable to charge, Quick Extended solar battery array.Back-contact battery chip patch pcb board upper shaft formula electrode is drawn, external connection charge controller, constituting folding storage is charging boxlike mobile power source, and solar panels expansion confluence charges for battery charge controller energy storage.It is connected using core technology beryllium copper rotary shaft electrode, so that electrical connectivity enhances between electrode, it is wear-resisting, electric conductivity is high, it is highly reliable.

Description

A kind of pocket solar charger

Technical field

The utility model discloses one kind with frivolous folding pocket solar charger, using multilayer circuit Plate encapsulation, the connection of rotary shaft electrode, Quick Extended solar array belong to application of solar.

Background technique

In internet big data era, electronic product is extremely abundant, portable mobile phone band, more and more digital electronic goods Deng needing quick charge at any time.Especially as the change of people's trip mode, solar energy movable power supply comes into being, at For essential belongings.Especially outdoors, areas without electricity, border sentry etc., solar energy movable power supply is mobile, does not limit to In open air, it is equally applicable to the solar energy movable power supply of other DIY needs.Solar energy movable power supply is more more and more universal, solar energy Battery (plate) converts light radiation to electric energy, and effect is directly proportional to light-receiving area.It is big that natural people will pursue light-receiving area, just In the solar energy movable power supply of carrying.The research of solar energy movable power supply is developed towards high-effect portable side, at present There is extensible, folding storage product.It is open such as a kind of extended position Solar energy charger of Patent publication No CN105811530A The storage box for storing folding flexible solar panel is formed on charger baby ontology.Hinge connects between adjacent main substrate It connects, solution charger baby is because solar battery plate suqare is small, the low puzzlement of charge efficiency.Problem be hinged particular technique and There is no open for its details.Grant number CN205039769U discloses a kind of magnetic solar charger, too with magnet electrical connection Positive energy component is electrically connected as ultrathin design with magnet, there are problems that a reliability.Patent announcement CN100550435C A kind of solar panel and production method, disclose solar panel single stack package technology, are not involved with multilayer envelope Dress technology.By the way that the analysis of the prior art, solar energy movable power supply, wherein core component solar battery (plate), is gone back above Do not solved using the higher multilayer encapsulation technology of measure of precision solar cell become it is frivolous after there is security reliability, wrap Include pressure resistance, wear resistance.

Summary of the invention

In view of above to the analysis of the prior art and, present invention aims at break through the prior art Bottleneck solves key technique, keeps overall construction design more compact, practical, beautiful, core technology is solar cell module Structure design and encapsulation, it is frivolous indeformable, with fast and easy charging.

Another object, solar components select efficient back contact solar chip, are encapsulated and are pasted using multilayer circuit board Conjunction technology realizes that the connection of rotary shaft electrode, disassembly fold reliably.

Further object, solar cell module (plate) compressive resistance is strong, is hardly damaged, and is suitble to field, and weather conditions are severe, Areas without electricity, border sentry etc. use.

To realize that the technical solution of this task is: a kind of pocket solar charger, it is characterised in that described to fill The solar panels of electric appliance install inline circuit connection on circuit boards by N layers of pcb board and battery chip and are packaged into solar-electricity Pond component is also known as solar panels, which has the extraction of rotary shaft electrode, can external connection battery charge controller and solar panels, composition can roll over Overlapping is received as the boxlike mobile power source that charges, and described solar panels expansion is in working condition fills for battery charge controller energy storage Electricity.

Wherein, it is characterised in that described N layer pcb board is also known as the encapsulation of N layer circuit board, selects Efficient back-contact formula solar energy Chip and high-precision SMT chip mounter, battery chip are mounted on intraconnected copper coating pcb board, by glue film and transparent high score Sub- material, which is integrated, to be laminated.

Wherein, rotary shaft electrode is drawn on described solar panels, which draws in solar panels both sides of the edge, Wherein rotary shaft electrode in side is connect with battery charge controller external connection rotary shaft electrode, and other side rotary shaft extraction electrode external connection is another The rotary shaft electrode electrical connection that one solar panels edge is drawn.

Wherein, for described solar panels folding storage in the charging box with battery charge controller, this fills box body packet Include upper casing, middle shell and lower casing, on the box body harness have water-proof function USB interface and waterproof power switch and display electric quantity of power supply Light-guiding pillar.

Wherein, described rotary shaft electrode is beryllium copper rotary shaft electrode, including inserts axis, umbrella elastic slice and takeup type jack structure At.Described one headband of slotting axis has the takeup type jack of connection sheet, and other end is umbrella elastic slice and another winding with connection sheet The slotting axis of formula jack is mutually inserted.

Wherein, described beryllium copper rotary shaft electrode is the coaxial electrode of positive and negative electrode insulation, and one has connection sheet Takeup type jack and a positive and negative electrode to insulate each other with umbrella elastic slice are mutually inserted and rotatable electrode electrical connection.

Wherein, described N layers of pcb board, the metallization VIA including being distributed with connection positive and negative electrode on every layer of pcb board, with Back contact solar battery chip contact surface is first layer, be followed successively by the second layer between N layer by metallization VIA realization Intraconnected circuit connection.

Wherein, described first layer positive and negative electrode metallization VIA, cathode metal via hole are located at the back-contact sun The anode lower section of energy battery chip and the conducting of back contact solar battery chip anode, negative metal via hole, which is located to carry on the back, to be connect It is connected below the cathode of touch solar battery chip with the cathode of back contact solar battery chip.

Wherein, there are positive and negative anodes conductive strips on described second layer pcb board, positive conductive band is located at the anode gold of first layer Below categoryization via hole and the anode conducting of back contact solar battery chip, negative conductive band are located at the cathode gold of first layer It is connected below categoryization via hole with the cathode of back contact solar battery chip.Positive and negative anodes test metallization VIA is connected to N In the positive and negative anodes test point at the back side of layer pcb board, the positive and negative anodes of the positive and negative anodes test point and back contact solar battery chip Conducting.

Implement the utility model harvest to unexpected good effect, the present invention is to merge the innovation of the prior art.Overcome " bottleneck " of key technique solar panels electrode connection, is connected using core technology beryllium copper rotary shaft electrode, is made between electrode Electrical connectivity is strong, wear-resisting, electric conductivity is high, and connection reliability is strong.Solve solar cell become volume it is frivolous after, it is generated Its stress damage is higher, deformation and wear problem.

The embodiments of the present invention are designed using four laminate of PCB hardboard, it is therefore prevented that the excessive wear of battery back, damage Circuit.Compression test, solar panels can directly replace solar panels by electrode connecting parts once damaging.Select high density material Expect that watertightness is good, back prevents product under high humidity weather time in use, being easy layering added with underwater paint.The plate surrounding of PCB is Accomplish sufficiently thin, it is to increase its structural strength that copper-plating technique is selected on four sides.Solar components select the efficient back contacts sun Energy chip is divided into the component of same size by the double kinds of processing cuttings of laser and abrasive machine, with the chip mounter of high-precision SMT, essence For quasi- array on pcb board, PCB selects the high rigidity plate of FR4, passes through intraconnected copper coating.

Detailed description of the invention

Fig. 1 is a kind of overall structure diagram of pocket solar charger of the utility model.

Fig. 2 is the Structure explosion diagram of back contact solar battery plate package assembling in Fig. 1.

Fig. 3 is the circuit board first layer structural schematic diagram in Fig. 2.

Fig. 4 is the portion A enlarged drawing in Fig. 3.

Fig. 5 is the circuit board second layer structural schematic diagram in Fig. 2.

Fig. 6 is the circuit board third schematic diagram of a layer structure in Fig. 2.

Fig. 7 is the circuit board four-layer structure schematic diagram in Fig. 2.

Fig. 8 is the rotary shaft of back contact solar battery package assembling (the same below solar battery solar panel) in Fig. 1 The attachment structure schematic diagram of output electrode.

The working principle of the invention that the following is further explained with reference to the attached drawings.

See that Fig. 1, charging box upper casing 1 have actuation magnet (pole N) 2, charging box lower casing 7 has actuation magnet (pole S) 2 ', built-in to turn over Shaft 3, shell 4 and charging box lower casing 7 are set into charging box lower box body in charging box, built with charge-discharge control circuit plate.Under Reversing shaft 3 is connect with charging box upper casing 2 built in box body.Rotary shaft electrode 5 is in positive axis connection solar panel 6 and charging box The electrical connection of 18 electrode of charging-discharging controller, rotary shaft electrode 5 ' are rotary-inversion axis and next piece of 5 solar panel of solar energy, every two pieces of groups It closes, superposition can be interchanged and use.See Scroll jack 51 in Fig. 8, insert axis 52, umbrella elastic slice 53.Back contact solar battery Component 6 is also known as solar panel, and circuit board 61 has back contact solar battery chip 62, glue film 63, transparent membrane thereon 64, edge copper sheet 65.Charging box lower casing 7, battery collision mat 9, battery 10, power switch water proof ring 11, power switch 12, Power switch lid 13, battery capacity indication lamp 14, delivery outlet 15, input port 16, waterproof cover 17, charging-discharging controller 18.

See Fig. 3 circuit board first layer 611, battery chip positive bus bar 611-1, battery chip cathode metal hole 611- 2, battery chip negative bus bar 611-3, battery chip negative metal hole 611-4, battery chip position mark line 611-5, Insulating film 611-6, copper-foil conducting electricity 611-7, component cathode metal hole 611-8, component negative metal hole 611-9, battery Piece positive bus bar plated through-hole 611-10, battery chip negative bus bar plated through-hole 611-11, the test of battery chip anode Point 611-12, battery chip cathode test point 611-13, battery chip anode wire jumper 611-14；Circuit board second layer 612, component Positive convergent belt 612-1, component cathode convergent belt 612-2, battery chip positive and negative anodes series connection busbar 612-3, battery chip are just Pole testing conductive 612-4, battery chip cathode testing conductive 612-5, battery chip cathode metal hole 611-2, battery Chip negative metal hole 611-4, copper-foil conducting electricity 611-7, component cathode metal hole 611-8, component negative metal hole 611-9, battery chip anode convergent belt plated through-hole 611-10, battery chip cathode convergent belt plated through-hole 611-11；Circuit Plate third layer 613, component positive conductive band 613-1, component negative conductive band 613-2, component anode test point plated through-hole 613-3, component cathode test point plated through-hole 613-4, copper-foil conducting electricity 611-7, component cathode metal hole 611-8, component are negative Pole plated through-hole 611-9；The 4th layer 614 of circuit board, positive test point 614-1, cathode test point 614-2, copper-foil conducting electricity 611- 7, component cathode metal hole 611-8, component negative metal hole 611-9.

Specific embodiment

Embodiment 1 Fig. 1 and Fig. 2 is that 1 overall structure figure Fig. 3 to Fig. 7 of embodiment is that first layer to four-layer circuit board seals Assembling structure schematic diagram.

Design battery capacity is 5000 milliampere hour, and photovoltaic input voltage 4.2V selects back contact solar battery chip, Solar panel 6 is by back contact solar battery chip 62 according to the battery chip position mark line 611-5 of first layer 611 Patch is encapsulated to circuit board 61, then by glue film 63 and transparent membrane 64, the conversion effect of back contact solar battery chip 62 The SUNPOWER product of rate 19%, battery chip 62 cut 31X12mm, two group pattern of 10X2,10 battery chip sizes Two groups of 31X12mm series connection is simultaneously unified into back contact solar battery component 6, shares four pieces of back contact solar battery components 6 At solar panels output electric energy is connected in parallel to charge and discharge by rotary shaft electrode (positive axis) 5 and rotary shaft electrode (rotary-inversion axis) 5 ' Controller 18 controls battery 10 by charging-discharging controller 18, is charged by the input port USB to battery 10, outside delivery outlet 15 Connect power electronic equipment.

The edge that Fig. 3 shows the first layer circuit board 611 is laid on copper-foil conducting electricity 611-7 is having two groups of battery component just respectively Pole plated through-hole 611-8, two groups of negative metal hole 611-9, correspond to back contact solar battery chip on first layer 611 The positive position of 62 back electrode is provided with many 62 cathode metal hole 611-2 of battery chip, and cathode position is provided with many batteries Chip negative metal hole 611-4, battery chip 62 anode and cathode respectively with battery chip cathode metal hole 611-2 and Battery chip negative metal hole 611-4 conducting, battery chip cathode metal hole 611-2 and battery chip negative metal hole 611-4 extends through the second layer 612, and first layer 611 and the second layer 612 is connected, the battery chip anode gold on first layer 611 Categoryization hole 611-2 converges on battery chip positive bus bar 611-1, and battery chip negative metal hole 611-4 converges in electricity On chamber chip negative bus bar 611-3, on battery chip positive bus bar 611-1 and battery chip negative bus bar 611-3 It has been covered each by insulating film 611-6, the Anode and battery chip negative bus bar 611-3 of battery chip 62 is prevented to be connected, and Cathode and the battery chip positive bus bar 611-1 conducting for preventing battery chip 62, on battery chip positive bus bar 611-1 It is provided with battery chip positive bus bar plated through-hole 611-10, is provided with battery chip on battery chip negative bus bar 611-3 Negative bus bar plated through-hole 611-11, battery chip positive bus bar plated through-hole 611-10 and battery chip negative bus bar Plated through-hole 611-11 extend through the second layer 612 see Fig. 5 and the second layer 612 battery chip anode series connection busbar 612-5 and Cathode series connection busbar 612-3 conducting.Glue film 63 is in the corresponding second layer of the first layer 611 of transparent adhesive film 64 and battery chip 62 The 612 component cathode position convergent belt 612-1 is equipped with battery chip anode wire jumper 611-14, by the battery on the second layer 612 Piece anode testing conductive 612-4 is connected in the conductive bar 612-4 of the disconnection by the position component cathode convergent belt 612-1, The positive and negative electrode extraction location of module edge is provided on component cathode metal hole 611-8 and component negative metal hole 611-9 Copper-foil conducting electricity 611-7 is covered, while running through the second layer 612, the conducting with the second layer 612 is realized, in the battery of the second layer 612 The final position of piece anode testing conductive 612-4 is corresponding with battery chip anode test point 611-12, in the electricity of the second layer 612 The final position of chamber chip cathode testing conductive 612-5 is corresponding with battery chip cathode test point 611-13, every to test The electric performance test point of one piece of battery chip 612.

Component anode convergent belt 612-1 and the battery chip cathode metal hole for extending through the second layer on the second layer 612 611-2 conducting, part of battery chip negative metal hole 611-4 avoid battery component anode convergent belt 612-1, battery pack Part cathode convergent belt 612-2 and battery chip negative metal hole 611-4 conducting, part of battery chip cathode metal hole 611-2 avoids component cathode convergent belt 612-2, prevents cathode and anode short circuit, the battery chip positive and negative anodes series connection on the second layer Busbar 612-3 is by the battery chip positive bus bar plated through-hole 611- for extending through the second layer of adjacent battery chip 611 10 and battery chip negative bus bar plated through-hole 611-11 is cascaded, and realizes the series connection of file battery chip 62, the A battery chip anode is drawn from the battery chip cathode metal hole 611-2 of each battery chip 62 respectively on two layer 612 The battery chip anode test point 611-12 of testing conductive 612-7 and first layer conducting, converges from the component cathode of the second layer With the battery chip cathode test point 611- for drawing two battery chip cathode testing conductive 612-5 and first layer on 612-2 13 conductings, realization can be from the battery chip anode test point 611-12 and battery chip cathode test point 611- of first layer 611 The electrical property of 13 each piece of battery chips 62 of test.

There is battery component positive conductive band 613-1 in 7 fonts in circuit board third layer, prefix is close to third layer edge There is cathode metal hole 611-8 on area is larger, battery component negative conductive band 613-2 is shorter, there is battery component cathode thereon Plated through-hole 611-9 has battery component positive and negative anodes plated through-hole 611-8 and 611-9 on copper-foil conducting electricity 611-7 at two.

4 couples of copper-foil conducting electricity 611-7 are laid at 4th layer of 614 board edge, there is positive and negative positive and negative electrode metal respectively thereon Change hole 611-8 and 611-9 and third layer positive and negative electrode plated through-hole is correspondingly connected with conducting；Positive test point 614-1 penetrates through third Layer 613 positive conductives band 613-1, cathode test point 614-2 penetrate through negative conductive band 613-2.First layer is penetrated through to the 4th layer There is U-shaped edge copper sheet 65 to be covered in component cathode metal hole 611-8 and component cathode at the positive and negative anodes extraction of board edge It on the copper-foil conducting electricity 611-7 of plated through-hole 611-9 and is connected, rotary shaft positive and negative electrode 5 and 5 ' is separately mounted to edge copper sheet 65 The positive and negative anodes of upper realization and back contact solar battery component 6 are electrically connected.Charging box is by charging box upper casing 1 and charging box lower casing 7 are fastened by built-in turning axis 3, and charging-discharging controller 18 is placed in lower casing 7, is equipped with electricity on charging-discharging controller 18 Source switch 12, battery capacity indication lamp 14, delivery outlet 15 and input port 16, and expose from the downside of lower casing 7, it is installed on power switch 12 There are a power switch water proof ring 11 and power switch lid 13, the opening of delivery outlet 15 and input port 16 has waterproof cover 17 openable, Battery 10 is placed on charging-discharging controller 18, has battery collision mat 9 on battery 10, then covered by shell 4 in charging box Firmly, back contact solar battery component 6 is placed on middle shell 4 after folding, and is equipped on charging box upper casing 1 and is attracted magnet (N Pole) it 2 and is equipped on charging box lower casing 7 and is attracted magnet (pole S) 2 ', magnet is pulled together after fastening, and input interface 16 can USB charging interface is connect to charge directly to battery 10.

2 circuit board of embodiment designs for double-layer structure, battery capacity be 6000 milliampere hour, photovoltaic input voltage 4.2V, Battery chip 62 cuts 32X12mm, and two group pattern series and parallel of 11X2 selects 5 pieces of back to connect at back contact solar battery component 6 The solar panels that touch solar cell module 6 is constituted, circuit board second layer edge are laid 4 pairs of copper-foil conducting electricities, are distinguished thereon There are positive and negative electrode plated through-hole and positive and negative anodes test point.It is other with embodiment 1.

The back contact solar battery package assembling that 3 circuit board of embodiment is three layers, design battery capacity are 6000 Milliampere hour, photovoltaic input voltage 4.2V are selected by contact solar battery chip, and battery chip 62 cuts 31X12mm, 10X2 Two group patterns, 10 two groups of battery chip size 31X12mm series connection are simultaneously unified into back contact solar battery component 6, share 6 pieces Back contact solar battery component 6 other with embodiment 1.This implementation first layer and the second layer with example 1 first layer and This implementation is arranged in the 4th layer 614 of embodiment 1 corresponding anode test point 614-1 and cathode test point 614-2 by the second layer The back side of third layer.

4 PCB circuit board three-decker of embodiment, battery capacity be 7000 milliampere hour, photovoltaic input voltage 5.2V, The series-parallel two groups of 5 pieces of back contact solar battery components 6 of two group pattern battery chip size 32X12mm of 11x2 constitute solar energy Plate array, it is other with embodiment 3.It repeats no more.

5 the present embodiment of embodiment is extended pattern solar energy quick charger, and battery capacity is 8000 milliampere hour, and photovoltaic is defeated Enter voltage 4.2V, PCB four-layer structure selects the double-deck 0.25 thickness EVA+ patch of frosting PET+ to be laminated integrated layer, the surrounding of PCB Side selects copper-plating technique to increase structural strength.Back contact solar battery component 6 selects 6 block assemblies, in addition carries muti-piece separation Back contact solar battery component 6, the connection of the battery component 6 of mostly band can be used up, increase solar battery Power realizes quick charge.

Claims (14)

1. a kind of pocket solar charger, it is characterised in that the solar panels of described charger, the solar panels are by battery Chip attachment is packaged into solar cell module and is also known as solar panels in PCB circuit board, which has the extraction of rotary shaft electrode, External connection battery charge controller and solar panels, constitute the solar recharging box of folding storage, and described solar panels are drawn positive and negative Rotary shaft electrode shaft, wherein the takeup type jack of positive shaft is upward, the takeup type jack of negative shaft downward, is separately mounted to too The two sides of positive energy plate package assembling.

2. a kind of pocket solar charger according to claim 1, it is characterised in that described N layer pcb board is also known as N Layer circuit board encapsulation, selects Efficient back-contact formula solar chip and high-precision SMT chip mounter, battery chip is mounted on inline On formula copper coating pcb board, it is integrated and is laminated by glue film and transparent polymer material.

3. a kind of pocket solar charger according to claim 1, it is characterised in that draw on described solar panels Rotary shaft electrode out, the extraction electrode are drawn in solar panels both sides of the edge, and wherein side rotary shaft electrode and charge control fill The connection of external connection rotary shaft electrode is set, the rotary shaft electricity that the other side another solar panels edge of rotary shaft extraction electrode external connection is drawn Pole electrical connection.

4. a kind of pocket solar charger according to claim 3, it is characterised in that described solar panels two sides The rotary shaft electrode that edge is drawn, the rotation direction of rotary shaft electrode are a positive and a negative, are convenient for rapid deployment and the external sun Energy plate increment charging, realizes quick charge uninterruptible power supply.

5. a kind of pocket solar charger according to any one of claim 1 to 4, it is characterised in that it is described too For positive plate folding storage in the charging box with battery charge controller, it includes upper casing, middle shell and lower casing, the box body that this, which fills box body, Upper harness has the USB interface and waterproof power switch of water-proof function, shows the light-guiding pillar of electric quantity of power supply.

6. a kind of pocket solar charger according to any one of claim 1 to 4, it is characterised in that described turns Shaft type electrode is beryllium copper rotary shaft electrode, including inserts axis, umbrella week elastic slice and takeup type jack and constitute.

7. a kind of pocket solar charger according to claim 6, it is characterised in that described beryllium copper rotary shaft electrode The coaxial electrode that can be the insulation of a positive and negative electrode is the takeup type jack and one with connection sheet with umbrella elastic slice The positive and negative electrode to insulate each other be mutually inserted, rotatable electrode connecting parts.

8. a kind of pocket solar charger according to claim 1, it is characterised in that described N layers of pcb board, wherein often It is distributed with the metallization VIA of connection positive and negative electrode on laminate, is first with back contact solar battery chip contact surface Layer is followed successively by the second layer and is penetrated through between N layer by metallization VIA realization intraconnected circuit connection.

9. a kind of pocket solar charger according to claim 8, it is characterised in that the positive negative electricity of described first layer Pole metallization VIA, cathode metal via hole are located at anode lower section and the back-contact of back contact solar battery chip The conducting of solar battery chip anode, negative metal via hole are located at below the cathode of back contact solar battery chip, and The cathode of back contact solar battery chip is connected.

10. a kind of pocket solar charger according to claim 8, it is characterised in that described second layer pcb board On have a positive and negative anodes conductive strips, positive conductive band is located at below the cathode metal via hole of first layer and back contact solar The anode conducting of battery chip, negative conductive band is located at below the negative metal via hole of first layer and back contact solar The cathode of battery chip is connected.

11. a kind of pocket solar charger according to any one of claim 8 to 10, it is characterised in that described The metallization VIA of second layer pcb board further includes cathode metal via hole and negative metal via hole, the cathode metal of the second layer Change via hole is located on positive conductive band and the dislocation of the cathode metal via hole of first layer, the negative metal of the second layer cross hole location In on negative conductive band with the negative metal via hole of first layer misplace.

12. a kind of pocket solar charger according to claim 8, it is characterised in that it is described N last Positive and negative anodes test metallization VIA is had on the positive and negative anodes convergent belt of layer pcb board.

13. a kind of pocket solar charger according to claim 12, it is characterised in that described positive and negative anodes test Metallization VIA is connected in the positive and negative anodes test point at the back side of n-th layer pcb board, the positive and negative anodes test point and the back-contact sun The positive and negative anodes conducting of energy battery chip.

14. a kind of pocket solar charger according to claim 5, it is characterised in that described charging box is in one The upper casing and lower casing for setting formula overturning axis connection are equipped with magnet actuation in upper casing and lower casing.