CN207732486U - Portable type solar energy charging unit - Google Patents
Portable type solar energy charging unit Download PDFInfo
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- CN207732486U CN207732486U CN201721273660.2U CN201721273660U CN207732486U CN 207732486 U CN207732486 U CN 207732486U CN 201721273660 U CN201721273660 U CN 201721273660U CN 207732486 U CN207732486 U CN 207732486U
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- output interface
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- solar energy
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Abstract
The utility model discloses a kind of portable type solar energy charging units, including shell, first end cover in shell length direction one end is set, the one side of the shell is open and is provided with solar panels, the control circuit board powered by solar panels is provided in the first end cover, the first output interface and the second output interface are provided on the control circuit board, it is characterised in that：The normally closed switch being connect with the second output interface is provided in first output interface, the normally closed switch, which has, to be pressed down and so that normally closed switch disconnects, so that the shrapnel that the output loop of the second output interface disconnects.By the way that the normally closed switch being connect with another output interface is arranged in a wherein output interface, and normally closed switch has shrapnel, to be only capable of realizing an output in the same time in two output interfaces so that portable equipment output is relatively stable, it is ensured that normal use.
Description
Technical field
The utility model is related to power supply units, especially portable type solar energy charging unit.
Background technology
In recent years, environmental issue is increasingly valued by people, to protect the living environment of the mankind, various circles of society outstanding
It is to point out that national 20% power source in the year two thousand twenty bottom uses green energy resource in government planning so that more and more strength cause
Power is gradually widely used in every field in exploitation regenerative resource, regenerative resource such as solar energy.
In order to solve the problems, such as family tourism and areas without electricity electricity consumption, some portable type solar energies are there has been at present for Denso
It sets, a kind of portable type solar energy supply unit as disclosed in the Chinese patent application No. is 201310153792.1, including box body,
Rear side setting 5VUSB power output interfaces, the concentric circles DC output interfaces of box body, internal battery can pass through a 5V reduction voltage circuit
5V electric energy is exported through 5VUSB power output interfaces, under the selection control of three-gear voltage selecting switch, internal battery passes through one
Booster circuit exports 12V/16V/19V electric energy through concentric circles DC output interfaces；For another example application No. is in 201510703377.8
A kind of portable type solar energy mobile power of state's patent disclosure, including pedestal, solar panel, control module and lithium-ion electric
Pond, the side of pedestal are equipped with 5V output interfaces and 12V output interfaces, 5V output interfaces and 12V output interfaces all in pedestal
Lithium ion battery electrically connects, and the electric energy that solar panel generates is stored in by control module in lithium ion battery, is finally led to
It is mobile power supply equipment to cross 5V output interfaces and 12V output interfaces.
These above-mentioned portable type solar energies are for electric installation, and due to the requirement of portable miniaturization, solar panels are smaller,
When then exporting 5V and 12V voltages simultaneously, circuit output will be caused unstable, influence normal use.
Utility model content
Technical problem to be solved in the utility model is in view of the above-mentioned problems of the prior art, providing a kind of raising
The portable type solar energy charging unit of output stability.
Technical solution is used by the utility model solves above-mentioned technical problem：A kind of portable type solar energy charging dress
Set, including shell, first end cover in shell length direction one end be set, the one side opening of the shell and be provided with solar energy
Plate is provided with the control circuit board powered by solar panels in the first end cover, first is provided on the control circuit board
Output interface and the second output interface, it is characterised in that：It is provided in first output interface and is connect with the second output interface
Normally closed switch, the normally closed switch has and can be pressed down and normally closed switch be disconnected, so that the second output interface
The shrapnel that output loop disconnects.
Preferably, first output interface includes the first grounding pin, and second output interface includes the second ground connection
First grounding pin of pin, first output interface keeps ground connection, first output interface also to have third grounding lead
The second grounding pin connection of foot, the third grounding pin of first output interface and the second output interface, it is described normally closed to open
Connection is connected between the first grounding pin of the first output interface and third grounding pin, to the connection line letter of normally closed switch
It is single, and it is avoided that influence input circuit.
Preferably, for ease of for different electric power supplies, two output interfaces export different voltage, the control circuit
Plate further includes the input interface being electrically connected with solar panels, and first output interface further includes the first output pin, and described
Two output interfaces further include the second output pin, and the input interface is connected to the first of the first output interface by booster circuit
Output pin, the input interface are also connected to the second output pin of the second output interface by reduction voltage circuit.
Preferably, the reduction voltage circuit is diode, to export stable voltage.
For ease of setting solar panels and control circuit board, offered in the first end cover corresponding with the first output interface
First opening, it is corresponding with the second output interface second be open.
To make solar panels and shell position, the both sides in the width direction of the shell are respectively formed with card slot, institute
It states card slot along the length direction of shell to extend, the both sides of the solar panels snap onto in card slot and fix with shell
To make control circuit board and first end cover position, the both sides in the first end cover, in width direction are respectively provided with
Have the first fin and the second fin, per side the first fin and the second fin arranged for interval, the control circuit board be inserted in by
In the chamber that first fin, the second fin surround, to be located in first end cover.
For ease of the dismounting of shell and end cap, the other end on the shell length direction is provided with second end cover, described
The first screw hole is provided in shell, the first end cover and the corresponding position of second end cover are respectively arranged with the second screw hole,
Pass through the first screw hole and the second screw hole that can fix shell and two end caps by screw.
Compared with prior art, the utility model has the advantage of：By being arranged in a wherein output interface and separately
The normally closed switch of one output interface connection, and normally closed switch has shrapnel, to be only capable of in same a period of time in two output interfaces
Between realize an output so that the output of portable equipment is relatively stable, it is ensured that normal use.
Description of the drawings
Fig. 1 is the structural schematic diagram of the solar charging device of the utility model；
Fig. 2 is the decomposition texture schematic diagram of the solar charging device of the utility model；
Fig. 3 is the sectional view along A-A of the solar charging device of Fig. 1；
Fig. 4 is the B-B direction sectional view of the solar charging device of Fig. 1；
Fig. 5 is the electric operation control circuit figure of the solar charging device of the utility model.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing embodiment.
Referring to Fig. 1~Fig. 4, a kind of portable type solar energy charging unit, including shell 1, first end cover 2, second end cover 3 with
And solar panels 4.Wherein, the wherein one side in shell 1 is arranged in solar panels 4, and its shape, size are adapted to shell 1, the
One end cap 2 and second end cover 3 are separately positioned on the opposite both ends of shell 1 (solar panels 4).
Shell 1 and solar panels 4 can be elongated respectively, and the wherein one side of shell 1 is open, for solar panels to be arranged
4, the both sides in the width direction of shell 1 are respectively formed with card slot 11, and card slot 11 extends along the length direction of shell 1, to
The both sides of solar panels 4 can snap onto in card slot 11 and be fixed with shell 1.Both ends difference on the length direction of solar panels 4
Be inserted into first end cover 2 and second end cover 3, and can setting abuts in first end cover 2 and second end cover 3 component with
Avoid solar panels 4 in the longitudinal direction with respect to 1 play of shell.
Control circuit board 5 is provided in first end cover 2, control circuit board 5 can be arranged in parallel with solar panels 4.First
Both sides in end cap 2, in width direction are both provided with the first fin 21 and the second fin 22, the first fin 21 per side and the
Two fins, 22 arranged for interval, control circuit board 5 are inserted in the chamber surrounded by the first fin 21, the second fin 22 so that control line
Road plate 5 is located in first end cover 2, and is connected and fixed sufficiently stable, will not usually be deviate from from chamber.
The first screw hole 12 is provided in shell 1, first end cover 2 and 3 corresponding position of second end cover are respectively arranged with
Two-screw hole 25, so as to pass through the first screw hole 12, the second screw hole 25 to consolidate shell 1 and two end caps by screw 26
It is fixed.
It is electrically connected by conducting wire between control circuit board 5 and solar panels 4, conducting wire may be provided at by control circuit board 5,
In the cavity that one end cap 2, solar panels 4 and shell 1 surround, avoid conducting wire by excessive compression.
Referring to Fig. 5, control circuit board 5 includes input interface J1, the first output interface J2 and the second output interface J3,
In, input interface J1 is electrically connected (input 6V voltages) by conducting wire with solar panels 4, and the first output interface J2 is for exporting
12V, the second output interface J3 are then used to export 5V (this interface can be used as USB interface).
There are two pins for input interface J1 tools, wherein the first pin (pin 1) after diode D1 decompressions (0.7V) by connecting
It is connected to the first output pin (pin 1) of the second output interface J3, the second grounding pin (pin 2) of input interface J1 then connects
Ground.
Booster circuit 51 is provided between input interface J1 and the first output interface J2, there are three the first output interface J2 tools
Pin, wherein the first grounding pin (pin 1) is grounded, the first output pin (pin 2) is connect with the output end of booster circuit 51,
Third grounding pin (pin 3) is then connect with the second grounding pin of the second output interface J3 (pin 4), meanwhile, the first output
Normally closed switch K1 is additionally provided between the third grounding pin (pin 3) and the first grounding pin (pin 1) of interface J2, it is normally closed to open
Closing K1 has shrapnel Q.When the first output interface J2 is not inserted into charging plug, due to the presence of normally closed switch K1 so that first
The third grounding pin of output interface J2 and the first pin ground connection keep ground connection, thus the second grounding lead of the second output interface J3
Foot keeps ground connection, at this point, the second output interface J3 can normally export 5V voltages.When the first output interface J2 is inserted into charging plug
When, charging plug pushes the shrapnel Q of normally closed switch K1 so that the first grounding pin and third of the first output interface J2 is grounded
Pin detaches, and causes third grounding pin to be no longer grounded, thus the second grounding pin of the second output interface J3 is no longer grounded, nothing
Method constitutes output loop, and thus the second output interface J3 is without output, only the first output interface J1 outputs.
In the present embodiment, booster circuit 51 includes CN3300 integrated chips U1 and its peripheral circuit, and peripheral circuit includes
Charge management circuit, charge management circuit include cell voltage detection unit, and cell voltage passes through in cell voltage detection unit
Resistance pressure-dividing network fed back, when feedback voltage reaches preset upper limit value, charging process terminates；And work as feedback voltage
When dropping to preset lower limiting value, charging process is again started up, and is so recycled.Charge management circuit further includes a current detecting
Resistance R1, when entering charged state, the outer N-channel MOS pipe Q1 conductings of piece, inductance L1 electric currents rise, when inductance L1 electric currents rise
When the upper limit being arranged to foreign current detection resistance, the outer N-channel MOS pipe Q1 cut-offs of piece, inductance L1 electric currents decline, in inductance L1
Energy is transferred in battery, when inductance L1 electric currents drop to N-channel MOS pipe outside the lower limit time slice of current sense resistor R1 settings
Q1 is connected again, so recycles.Charge management circuit controls charging current by monitoring inductance L1 electric currents, therefore the electricity that charges
Stream can change with the variation of input voltage and cell voltage, by the way that the size of current sense resistor R1 is arranged come to inductive current
It is configured.
CN3300 integrated chips U1 is also associated with LED indicating circuit 52, and there is red LED indicator light and green LED to indicate
Lamp.Red indicating light is bright in charging process, and battery goes out full of rear red indicating light, and green indicator light is bright.Above-mentioned booster circuit 51
The prior art can be used with LED indicating circuit 52, details are not described herein.
On side of the first end cover 2 far from shell 1, position corresponding with the first output interface J1 and the second output interface J2
Set and offer the first opening 23 and second opening 24 respectively, in order to charging plug can be inserted by above-mentioned opening it is corresponding defeated
In outgoing interface.
The solar charging device of the utility model can charge to certain small-scale power-plant devices, such as driving window
Tube shaped electric machine etc. that curtain is run, with lithium battery, simple in structure, light, green energy conservation.
Claims (8)
1. a kind of portable type solar energy charging unit, including shell (1), setting shell (1) length direction one end first end
It covers (2), the one side of the shell (1) is open and is provided with solar panels (4), is provided with by the sun in the first end cover (2)
Can the control circuit board (5) powered of plate (4), the first output interface (J2) and second defeated is provided on the control circuit board (5)
Outgoing interface (J3), it is characterised in that：Be provided in first output interface (J2) connect with the second output interface (J3) it is normal
(K1) is closed in make and break, and the normally closed switch (K1) makes normally closed switch (K1) disconnect, so that second is defeated with that can be pressed down
The shrapnel (Q) that the output loop of outgoing interface (J3) disconnects.
2. portable type solar energy charging unit according to claim 1, it is characterised in that：First output interface (J2)
Including the first grounding pin, second output interface (J3) includes the second grounding pin, first output interface (J2)
First grounding pin keeps ground connection, first output interface (J2) also to have third grounding pin, first output interface
(J2) the second grounding pin connection of third grounding pin and the second output interface (J3), the normally closed switch (K1) are connected to
Between the first grounding pin and third grounding pin of first output interface (J2).
3. portable type solar energy charging unit according to claim 2, it is characterised in that：The control circuit board (5) is also
Include the input interface (J1) of solar panels (4) electrical connection, first output interface (J2) further includes the first output pin, institute
It further includes the second output pin to state the second output interface (J3), and the input interface (J1) is connected to by booster circuit (51)
First output pin of one output interface (J2), the input interface (J1) are also connected to the second output interface by reduction voltage circuit
(J3) the second output pin.
4. portable type solar energy charging unit according to claim 3, it is characterised in that：The reduction voltage circuit is diode
(D1)。
5. portable type solar energy charging unit according to any one of claims 1 to 4, it is characterised in that：Described first
It is offered on end cap (2) and the first output interface (J2) corresponding first is open (23), is corresponding with the second output interface (J3)
Second opening (24).
6. portable type solar energy charging unit according to any one of claims 1 to 4, it is characterised in that：The shell
(1) the both sides in width direction are respectively formed with card slot (11), and the card slot (11) is prolonged along the length direction of shell (1)
It stretches, the both sides of the solar panels (4) snap onto in card slot (11) and fixed with shell (1).
7. portable type solar energy charging unit according to any one of claims 1 to 4, it is characterised in that：Described first
Both sides in end cap (2), in width direction are both provided with the first fin (21) and the second fin (22), the first fin per side
(21) and the second fin (22) arranged for interval, the control circuit board (5) is inserted in is enclosed by the first fin (21), the second fin (22)
At chamber in, to be located in first end cover (2).
8. portable type solar energy charging unit according to any one of claims 1 to 4, it is characterised in that：The shell
(1) other end on length direction is provided with second end cover (3), and the first screw hole (12) is provided in the shell (1), described
The corresponding position of first end cover (2) and second end cover (3) is respectively arranged with the second screw hole (25), and the is passed through by screw (26)
One screw hole (12) and the second screw hole (25) can fix shell (1) and two end caps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721273660.2U CN207732486U (en) | 2017-09-29 | 2017-09-29 | Portable type solar energy charging unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721273660.2U CN207732486U (en) | 2017-09-29 | 2017-09-29 | Portable type solar energy charging unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207732486U true CN207732486U (en) | 2018-08-14 |
Family
ID=63090946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721273660.2U Active CN207732486U (en) | 2017-09-29 | 2017-09-29 | Portable type solar energy charging unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207732486U (en) |
-
2017
- 2017-09-29 CN CN201721273660.2U patent/CN207732486U/en active Active
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