Solar cell charger

Abstract

The utility model provides a solar cell charger which comprises a charger box body, a handle and a solar cell panel, the solar cell panel is fixed on one side of the charger box body, the other side of the charger box body is provided with a cell fixing structure, and the handle is arranged at one end of the charger box body in a sliding mode. The lifting handle comprises two longitudinal arms and a transverse arm connected with one ends of the two longitudinal arms, a connecting notch is formed in one end of the charger box body, the longitudinal arms are arranged at the connecting notch in a sliding mode, a connecting column is arranged on the charger box body, a sliding groove is formed in one side of each longitudinal arm, and the connecting columns are arranged in the sliding grooves in a sliding mode. The lifting handle can be contracted into the charger box body, a battery to be charged can be fixed through the back face, when the charger box body needs to be obliquely placed, the lifting handle is pulled out of the charger box body, the pulled-out lifting handle is supported through the connecting column, the lifting handle can be hidden in the charger box body, space arrangement is reasonable, and use is convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of photovoltaic application, and in particular relates to a solar battery charger. Background Art

[0002] Solar chargers can use solar power to charge batteries, thereby solving the problem of outdoor charging. However, most of the existing solar chargers are laid flat on the ground or fixed with an external support frame, which is inconvenient to use and affects the user experience.

[0003] CN209282911U discloses a solar charger, in which a charger body is movably connected to a support frame, a rectangular groove is arranged on the side of the charger body away from the solar cell group, and the support frame is arranged in the groove, and the angle of the charger body can be adjusted by the support frame. However, the support frame of the charger occupies a large back space, which is not conducive to the arrangement of components such as batteries. Utility Model Content

[0004] The technical purpose of the utility model is to provide a solar battery charger, the handle of which can be hidden in the charger box body, and the space arrangement is reasonable.

[0005] In order to solve the above technical problems, the utility model is implemented as follows: a solar cell charger, comprising: a charger box, a handle and a solar panel, wherein the solar panel is fixed on one side of the charger box, a battery fixing structure is provided on the other side of the charger box, and the handle is slidably arranged at one end of the charger box;

[0006] The handle includes two longitudinal arms and a transverse arm connecting one end of the two longitudinal arms. A connecting slot is provided at one end of the charger box body. The longitudinal arm is slidably arranged at the connecting slot. The other end of the longitudinal arm extends into the charger box body through the connecting slot. A connecting column is provided on the charger box body. A sliding groove is provided on one side of the longitudinal arm. The connecting column is slidably arranged in the sliding groove.

[0007] Furthermore, a limit seat is provided in the charger box body, and a longitudinal arm limit structure is provided between the limit seat and the longitudinal arm.

[0008] Furthermore, the longitudinal arm limiting structure includes a first limiting protrusion and a second limiting protrusion, the first limiting protrusion is arranged on a side of the longitudinal arm close to the limiting seat, and the second limiting protrusion is arranged on a side of the limiting seat close to the longitudinal arm.

[0009] Furthermore, the longitudinal arm limiting structure also includes a limiting plate, the limiting plate is arranged on the upper end of the limiting seat, and the longitudinal arm is arranged on the lower side of the limiting plate.

[0010] Furthermore, a cross arm placement groove is provided on the outer side of one end of the charger box body. After the longitudinal arm is extended into the charger box body, the cross arm is located in the cross arm placement groove, and the connecting column is arranged on the inner wall of the cross arm placement groove.

[0011] Furthermore, the battery fixing structure includes a first battery fixing slot and a second battery fixing slot, a plurality of the first battery fixing slots are arranged side by side, charging electrodes are provided in the first battery fixing slot and the second battery fixing slot, and a switching switch is provided between the charging electrodes of the first battery fixing slot and the second battery fixing slot.

[0012] Furthermore, the first battery fixing slot is used to fix a 1.2V battery, and the second battery fixing slot is used to fix a 9V battery, and the second battery fixing slot is arranged between two longitudinal arms.

[0013] Furthermore, a battery cover is provided on the other side of the charger box body, and the battery cover covers the outer sides of the first battery fixing groove and the second battery fixing groove, and the battery cover is fixed to the charger box body by a buckle.

[0014] Furthermore, the charger box body includes an upper box body and a lower box body that are fixedly connected, the solar panel is fixed on the upper box body, the battery fixing structure is arranged on the lower box body, and a support column for supporting the solar panel is provided inside the lower box body.

[0015] Furthermore, a charging indicator light is disposed on the upper box body, an indicator light circuit board connected to the charging indicator light is disposed in the upper box body, and a charging circuit board is disposed in the lower box body.

[0016] Compared with the prior art, the solar cell charger in the utility model has the following beneficial effects:

[0017] The handle of the utility model can be retracted into the charger box body, and the back side can be used to fix the battery to be charged. When the charger box body needs to be tilted, the handle is pulled out of the charger box body and the pulled out handle is supported by the connecting column. The connecting column serves as a guide structure for the extension and retraction of the handle and also as an axis for the rotation of the handle. The structure is simple, the handle can be hidden in the charger box body, the space arrangement is reasonable, and it is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a three-dimensional diagram of a solar cell charger in an embodiment of the utility model;

[0019] Figure 2 is a three-dimensional diagram of a solar cell charger in another angle in an embodiment of the utility model;

[0020] Figure 3 is an exploded view of a solar cell charger in an embodiment of the utility model;

[0021] Figure 4 for Figure 3 A partial enlarged view of the middle A;

[0022] Figure 5 This is another exploded view of the solar cell charger in the embodiment of the utility model;

[0023] Figure 6 yes Figure 5 A partial enlarged view of point B in the middle;

[0024] Figure 7 It is a schematic diagram of the handle supporting the charger box.

[0025] In the accompanying drawings, each reference numeral represents:

[0026] 1- charger box body 2- solar panel 3- charging indicator light 4- handle 5- battery cover 6- first battery fixing slot 7- second battery fixing slot 8- charging electrode 9- 1.2V battery 10- 9V battery 11- switch 12- cross arm placement slot 13- slide slot 14- connecting column 15- connecting notch 16- charging status indicator light 17- power saturation status indicator light 18- indicator light circuit board 19- charging circuit board 20- supporting column 21- first limiting protrusion 22- limiting seat 23- second limiting protrusion 24- limiting plate 101- upper box body 102- lower box body 401- longitudinal arm 402- cross arm. DETAILED DESCRIPTION

[0027] The embodiments of the utility model are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the utility model, and cannot be understood as limiting the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the utility model.

[0028] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "circumferential", "radial" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0030] Example:

[0031] See also Figures 1-2 In this embodiment, the solar cell charger includes: a charger box body 1, a handle 4 and a solar panel 2, the solar panel 2 is fixed on one side of the charger box body 1, a battery fixing structure is provided on the other side of the charger box body 1, and a battery cover 5 covering the outside of the battery fixing structure is provided on the other side of the charger box body 1.

[0032] The solar battery charger has a built-in battery protection circuit. It mainly absorbs solar energy through the solar panel 2 and converts it into electrical energy to provide electrical energy to electrical appliances. The specific principle is: when there is sufficient sunlight, the solar panel 2 generates current and voltage under the action of sunlight, and directly charges the existing rechargeable lithium battery products that meet the output voltage and current through the positive and negative poles led out of the product. It is convenient to carry and mainly charges 1.2V / 9V rechargeable lithium batteries, which is convenient to install and use. Applicable batteries include: AA type, AAA type, 9V type batteries, which are used in most electronic devices in our daily life, such as: DVD players, radios, shavers, flashlights, digital cameras and other lithium battery devices for emergency use. Compared with the original amorphous silicon lithium battery charger, this battery charger is powered by a high-efficiency crystalline silicon solar panel, which improves the charging efficiency of the product and improves the defects of the original amorphous silicon lithium battery charger, such as poor charging effect, low efficiency and long charging time. The solar panel and the charging controller are integrated into one, and there is no need for an external independent charging management controller or external power supply. It can be directly connected to a 1.2V / 9V battery for power supplement, which improves the defect that the original amorphous silicon lithium battery charger needs an external controller to control the output each time it is used, which has limitations. The product design adopts an integrated high-efficiency solar panel 2 and a charging controller, which is portable, saves auxiliary components connection, and reduces costs. Compared with products without built-in charging management, this design product improves the safety of charging and enhances the protection of the battery.

[0033] The battery charger of the utility model changes the charging mode to adopt the MPPT charging management mode, improves the charging efficiency and the use of solar power generation rate, and realizes the diversification of traditional lithium battery chargers; the product supports battery saturation voltage protection, supports short circuit, reverse charging and other protections, and improves the defect of the original amorphous silicon lithium battery charger without protection settings during use, causing the electrical equipment to burn out; adopts intelligent temperature control and over-temperature protection, improves the defect of insufficient heat dissipation of the original amorphous silicon lithium battery charger during charging; supports current backflow prevention, and further ensures the safety of the product; supports charging with changes in sunlight without freezing, and solves the defect of the original amorphous silicon lithium battery charger that cannot be charged and freezes in the absence of sunlight.

[0034] See also Figure 3The charger box body 1 includes an upper box body 101 and a lower box body 102 which are fixedly connected, the solar panel 2 is fixed on the upper box body 101, and the battery fixing structure is arranged on the lower box body 102. Specifically, the battery fixing structure includes a first battery fixing slot 6 and a second battery fixing slot 7, the first battery fixing slot 6 is used to fix a 1.2V battery 9, the second battery fixing slot 7 is used to fix a 9V battery 10, a plurality of first battery fixing slots 6 are arranged side by side, charging electrodes 8 are arranged in the first battery fixing slot 6 and the second battery fixing slot 7, and a switching switch 11 is arranged between the charging electrodes 8 of the first battery fixing slot 6 and the second battery fixing slot 7. The battery cover 5 covers the outside of the first battery fixing slot 6 and the second battery fixing slot 7, and the battery cover 5 is fixed to the lower box body 102 by buckles.

[0035] The handle 4 includes two longitudinal arms 401 and a transverse arm 402 connecting one end of the two longitudinal arms 401, and the second battery fixing slot 7 is arranged between the two longitudinal arms 401. A connection slot 15 is provided at one end of the lower box body 102, and the longitudinal arm 401 is slidably arranged at the connection slot 15, and the other end of the longitudinal arm 401 extends into the charger box body 1 through the connection slot 15. The charger box body 1 is provided with a connection column 14, and a slide groove 13 is provided on one side of the longitudinal arm 401, and the connection column 14 is slidably arranged in the slide groove 13.

[0036] A cross arm placement groove 12 is provided on the outer side of one end of the lower box body 102. After the longitudinal arm 401 extends into the charger box body 1, the cross arm 402 is located in the cross arm placement groove 12, and the connecting column 14 is arranged on the inner wall of the cross arm placement groove 12. The entire charger box body 1 has a regular and beautiful appearance.

[0037] See also Figure 4 A first limiting protrusion 21 is provided on the outer side of one end of the longitudinal arm 401 away from the horizontal arm 402. The first limiting protrusion 21 is used to cooperate with the limiting structure in the lower box body 102. After the longitudinal arm 401 is inserted into the charger box body 1, the longitudinal arm 401 is limited and fixed to prevent the longitudinal arm 401 from sliding out of the charger box body 1 freely.

[0038] See also Figures 5-6 A limit seat 22 is provided in the lower box body 102, and a second limit protrusion 23 is provided on the side of the limit seat 22 close to the longitudinal arm 401. The first limit protrusion 21 cooperates with the second limit protrusion 23 to prevent the longitudinal arm 401 from sliding freely after the longitudinal arm 401 is inserted into the charger box body 1. A horizontal limit plate 23 is also provided at the upper end of the limit seat 22, and the longitudinal arm 401 is arranged at the lower side of the limit plate 23. The limit plate 23 ensures that the longitudinal arm 401 slides horizontally.

[0039] The upper box body 101 has a charging indicator light, and the upper box body 101 is provided with an indicator light circuit board 18 connected to the charging indicator light. Specifically, the charging indicator light includes a charging status indicator light 16 and a power saturation status indicator light 17, which improves the defect that the original amorphous silicon lithium battery charger product has no charging status indicator light, which causes inconvenience to the user.

[0040] A charging circuit board 19 is disposed in the lower box body 102 , and a support column 20 for supporting the solar panel 2 is disposed on the inner side of the lower box body 102 to ensure that the solar panel 2 is firmly fixed.

[0041] See also Figure 7 When the charger box body 1 needs to be tilted, the handle 4 is pulled out from the charger box body 1, and the pulled out handle 4 is supported by the connecting column 14. The handle 4 rotates around the connecting column 14 to support the charger box body 1, making it tilted and obtaining higher charging efficiency. The connecting column 14 serves as a guide structure for the extension of the handle 4 and also as an axis for the rotation of the handle 4. The structure is simple, the handle 4 can be hidden in the charger box body 1, the space layout is reasonable, and it is easy to use.

[0042] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A solar battery charger, characterized in that: It includes a charger box, a handle and a solar panel, wherein the solar panel is fixed on one side of the charger box, a battery fixing structure is provided on the other side of the charger box, and the handle is slidably arranged at one end of the charger box; The handle includes two longitudinal arms and a transverse arm connecting one end of the two longitudinal arms. A connecting slot is provided at one end of the charger box body. The longitudinal arm is slidably arranged at the connecting slot. The other end of the longitudinal arm extends into the charger box body through the connecting slot. A connecting column is provided on the charger box body. A sliding groove is provided on one side of the longitudinal arm. The connecting column is slidably arranged in the sliding groove.

2. The solar battery charger according to claim 1, characterized in that: A limit seat is provided in the charger box body, and a longitudinal arm limit structure is provided between the limit seat and the longitudinal arm.

3. The solar battery charger according to claim 2, characterized in that: The longitudinal arm limiting structure includes a first limiting protrusion and a second limiting protrusion. The first limiting protrusion is arranged on a side of the longitudinal arm close to the limiting seat, and the second limiting protrusion is arranged on a side of the limiting seat close to the longitudinal arm.

4. The solar battery charger according to claim 3, characterized in that: The longitudinal arm limiting structure also includes a limiting plate, which is arranged on the upper end of the limiting seat, and the longitudinal arm is arranged on the lower side of the limiting plate.

5. The solar battery charger according to claim 1, characterized in that: A cross arm placement groove is provided on the outer side of one end of the charger box body. After the longitudinal arm is extended into the charger box body, the cross arm is located in the cross arm placement groove, and the connecting column is arranged on the inner wall of the cross arm placement groove.

6. The solar battery charger according to claim 1, characterized in that: The battery fixing structure includes a first battery fixing slot and a second battery fixing slot. A plurality of the first battery fixing slots are arranged side by side. Charging electrodes are provided in the first battery fixing slot and the second battery fixing slot. A switching switch is provided between the charging electrodes of the first battery fixing slot and the second battery fixing slot.

7. The solar battery charger according to claim 6, characterized in that: The first battery fixing slot is used to fix a 1.2V battery, and the second battery fixing slot is used to fix a 9V battery. The second battery fixing slot is arranged between two longitudinal arms.

8. The solar battery charger according to claim 6, characterized in that: A battery cover is also provided on the other side of the charger box body, and the battery cover covers the outer sides of the first battery fixing groove and the second battery fixing groove, and the battery cover is fixed to the charger box body by a buckle.

9. The solar battery charger according to claim 1, characterized in that: The charger box body comprises an upper box body and a lower box body which are fixedly connected, the solar cell panel is fixed on the upper box body, the battery fixing structure is arranged on the lower box body, and a support column for supporting the solar cell panel is arranged inside the lower box body.

10. The solar battery charger according to claim 9, characterized in that: The upper box body is provided with a charging indicator light, the upper box body is provided with an indicator light circuit board connected to the charging indicator light, and the lower box body is provided with a charging circuit board.

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