KR102157888B1 - Secondary battery for solar lighting system and solar lighting system utilizing the same - Google Patents

Abstract

The present invention relates to a secondary battery for a solar lighting system, comprising: a soft pack capable of binding a cell assembly in which a plurality of pouch-type cells are electrically connected and stacked together; A main box in which a soft pack can be accommodated; And a sub-box that can accommodate the protection circuit module connected to the cell assembly and is detachably coupled to the outer wall surface of the main box.
In addition, the present invention relates to a solar lighting system, the solar panel; A lighting head including a sealing receiving unit in which a secondary battery capable of storing power generated from the solar panel can be sealed and accommodated, and a light emitting unit capable of emitting light by selectively receiving power from the secondary battery; And a controller configured to control the operation of the secondary battery and/or the light emitting unit and/or the solar panel.

Description

Secondary battery for solar lighting system and solar lighting system using the same {SECONDARY BATTERY FOR SOLAR LIGHTING SYSTEM AND SOLAR LIGHTING SYSTEM UTILIZING THE SAME}

The present invention relates to a secondary battery for a solar lighting system and a solar lighting system using the same, and relates to a secondary battery for a solar lighting system having a structure in which a secondary battery pack is sealed and embedded in a lighting head, and a solar lighting system using the same. will be.

In general, lighting systems such as streetlights and security lights are installed along roadsides for safety and security of traffic and pedestrians at night. In addition, a typical lighting system includes a highway type, a bracket type, and a head type according to the type of a pole of the lighting system, and a high-pressure mercury lamp, sodium lamp, metal halide lamp, CDM, and the like are used as light sources.

However, in most of these types of lighting systems, the power consumption of the light source is severe and the lifespan is short, so that a lot of time and cost are required for maintenance. In order to solve this problem, recently, an LED light source having a high brightness, low power consumption and a relatively long life has been used. On the other hand, there is a solar lighting system that generates power using a solar panel to supply power to a light source of a lighting system and stores the generated power in a secondary battery to illuminate the light at night.

However, in the case of most conventional solar lighting systems, the secondary battery is installed and operated inside the pole or inside a separate terminal box, and because the capacity of the secondary battery is insufficient, the existing SOC power is used in parallel or the dimming device or It is a situation in which a method of supplementing the small capacity of a secondary battery is adopted by using a sensor to supply power to a light source at a time when lighting is not required or to reduce the amount of supply. On the other hand, when the secondary battery is installed and operated in a separate terminal box, there is also a problem in that the secondary battery is subject to theft or is destroyed due to negligence of management of the terminal box.

The present invention was conceived to solve the above-described problems, and an object of the present invention is to provide a secondary battery for a solar lighting system having a structure that can be sealed and embedded in a lighting head of a solar lighting system, and a solar lighting system using the same To do.

In order to achieve the above object, a secondary battery for a solar lighting system according to an aspect includes: a soft pack capable of binding a cell assembly in which a plurality of pouch-type cells are electrically connected and stacked together; A main box in which the soft pack can be accommodated; And a sub-box capable of receiving a protection circuit module connected to the cell assembly and detachably coupled to an outer wall surface of the main box.

Preferably, the main box comprises: a main body having a substantially rectangular parallelepiped shape having an open end and an accommodating portion capable of accommodating the soft pack; And a main cover that can be coupled to the open end of the main body.

Preferably, the main body includes two main body coupling portions each extending outward in a substantially vertical direction from the two edges of the long side; The main cover includes a main cover coupling portion to be coupled by contacting the main body coupling portion, and a main box installation portion extending from the main cover coupling portion.

Preferably, the main box installation portion: a separation flange extending from the main cover by a predetermined distance from at least one edge of the main cover; And a base flange extending substantially vertically outward from the spacing flange and having an installation hole formed therethrough so as to be able to contact the head body of the solar riding system.

Preferably, each of the two main body coupling portions has a different length extending from the corresponding edge.

Preferably, the sub-box is installed on the side of the main box at a portion of the two main body coupling portions having a long extension.

Preferably, the sub-box further includes at least one fixing member capable of penetrating the protection circuit module and being fixed to the surface of the main box.

In order to achieve the above object, a solar lighting system according to another aspect, a solar panel; A lighting head including a sealing receiving unit in which a secondary battery capable of storing power generated from the solar panel can be sealed and accommodated, and a light emitting unit capable of emitting light by selectively receiving power from the secondary battery; And a controller configured to control the operation of the secondary battery and/or the light emitting unit and/or the solar panel.

Preferably, the controller may be accommodated in the sealed storage unit together with the secondary battery.

Preferably, the writing head includes a head body and a head cover; The sealed receiving unit may include a first receiving unit formed on the head body to accommodate the secondary battery, a second receiving unit formed on the head cover to accommodate the controller, and the first receiving unit and the second receiving unit. A sealing member is provided at at least one open end of the receiving portion.

Preferably, the first receiving portion: a first through hole through which a cable that can be connected to the solar panel can be sealed; And a second through hole through which at least one cable that can be connected to the light emitting unit can be sealed.

Preferably, the head cover may be hinged to the head body.

Preferably, there is further provided a clamping device for selectively opening or closing the head cover relative to the head body.

Preferably, the light emitting unit includes a light emitting diode (LED) module.

Preferably, the secondary battery includes a secondary battery of the solar lighting system described above.

Preferably, the secondary battery includes: a soft pack capable of binding a cell assembly in which a plurality of pouch-type cells are electrically connected and stacked together; A protection circuit module electrically connected to the cell assembly; And an attachment member for attaching the soft pack to the sealed storage unit.

Preferably, the attachment member comprises: at least one band surrounding the soft pack; And an adhesive tape that can be interposed between the band and the sealed receiving part.

Preferably, the solar panel is installed on a pole of a street light or a security lamp fixed to the ground; The writing head is installed on an arm extending from the lamp post.

Preferably, the solar lighting system further includes a shading plate installed on the arm to be spaced apart from the writing head at a predetermined interval so as to shade the surface of the writing head opposite to the light emitting unit.

The secondary battery for a solar lighting system according to the present invention and a solar lighting system using the same have the following effects.

First, since the secondary battery is sealed and embedded in the lighting head of the solar lighting system in the form of a soft pack or a hard pack, the risk of theft or damage can be fundamentally prevented.

Second, for example, when a 40Wh street light is lit for 10 hours, the power consumption is 400Wh. Since the capacity of most conventional secondary batteries for solar lighting systems is, for example, less than 200 Wh, the capacity is insufficient and the condition of 3 days of relief cannot be satisfied. However, the secondary battery for the solar lighting system and the solar lighting system using the same according to the present invention can overcome such a capacity shortage problem by using a high-efficiency, high-capacity premier lithium polymer battery for the conventional insufficient battery capacity.

Third, the secondary battery for a solar lighting system according to the present invention is primarily manufactured as a soft pack, and then the soft pack is fixed to the main box in the form of a hard pack, and a protection circuit such as PCM is fixed inside a separate sub-box. By doing so, stability can be ensured when the secondary battery elements are sealed and accommodated in the lighting head.

Fourth, the solar lighting system according to the present invention can maximize the mechanical and thermal stability of the solar lighting system by sealing the secondary battery and the controller inside the sealed storage unit.

Fifth, the solar lighting system according to the present invention can reduce the thermal load due to overheating of the lighting head because the outside of the lighting head can be shaded by the shade member.

The foregoing summary of the invention as well as the detailed description of the preferred embodiments of the invention that follows will be better understood when read in conjunction with the accompanying drawings. For the purpose of explaining a secondary battery for a solar lighting system and a solar lighting system using the same according to a preferred exemplary embodiment of the present disclosure, drawings of preferred embodiments are shown. However, it should be understood that the present disclosure is not limited to the precise devices and means shown in such figures.
1 is a schematic configuration diagram of a solar lighting system according to an exemplary embodiment of the present invention.
2 is a block diagram of a main part of a solar lighting system according to another exemplary embodiment of the present invention.
3 is a schematic cross-sectional view of a lighting head used in a solar lighting system according to an embodiment of the present invention.
4 is a partial perspective view showing an excerpted sealing receiving portion of a lighting head used in a solar lighting system according to an embodiment.
5 is a vertical cross-sectional view of a lighting head used in a solar lighting system according to an embodiment of the present invention.
6 is a horizontal cross-sectional view of a lighting head used in a solar lighting system according to an embodiment of the present invention.
7 is a schematic perspective view of a secondary battery that can be used in a solar lighting system according to an embodiment of the present invention.
8 is a right side view of FIG. 7.
9 is an exploded perspective view of a main part of a secondary battery that can be used in a solar lighting system according to an embodiment of the present invention.
10 is an exploded perspective view of a cell assembly of a secondary battery that can be used in a solar lighting system according to an embodiment of the present invention.
11 is a real photograph showing a main part of a lighting head that can be used in a solar lighting system according to another embodiment of the present invention.
12 is an overall picture of FIG. 11 with the head cover open to the head body.

Certain terms used in the detailed description that follow are for convenience and do not limit the scope of the present invention. The terms "right", "left", "top" and "bottom" indicate directions in the drawings to which reference is made. The terms "inwardly" and "outwardly" refer to a direction toward or away from the geometric center of a designated device, system and members thereof, respectively. “Forward”, “rear”, “upward”, “downward” and related terms and phrases represent positions and orientations in the drawings to which reference is made, and are not intended to be limiting. These terms are concepts including the words listed above, their derivatives and words of similar meaning.

1 is a schematic configuration diagram of a solar lighting system according to an embodiment of the present invention, and FIG. 2 is a configuration diagram of a main part of a solar lighting system according to another exemplary embodiment of the present invention.

Referring to FIGS. 1 and 2, the solar lighting system 100 may be installed and operated at a predetermined height from the side of a road, such as a street light or a security light, for example. The solar lighting system 100 is installed on the pole 110 that can be installed on the side of the road, the solar panel 120 installed on the pole 110, and the arm 112 extending from the pole 110, The secondary battery 200 (refer to FIG. 3) is sealed and accommodated and the lighting head 130 having the light emitting part 132, and the secondary battery 200 and/or the light emitting part 132 and/or the solar panel 120 ) And a controller 140 (see FIG. 3) configured to control the operation.

The pole 110 extends from a base portion 114 that can be buried in the ground, a panel installation portion 116 provided to face the base portion 114, a panel installation portion 116 or a point spaced a predetermined distance therefrom, and writes It has an arm 112 on which the head 130 can be installed. The pole 110 is manufactured using, for example, a rigid material such as stainless steel, and may be used by connecting a plurality of unit poles with predetermined intervals through a welding or bolting process.

As shown in FIG. 2, the solar panel 120 is installed at the end of the panel mounting part 116 of the pole 110. The panel installation unit 116 and the solar panel 120 may each have separate coupling structures so that the solar panel 120 can rotate and/or rotate with respect to the panel installation unit 116. Further, the arm 112 of the pole 110 may be divided into a main arm 112 supporting the writing head 130 and a support arm 118 supporting the main arm 112. Of course, the writing head 130 may be installed at the end of one arm. According to a modified embodiment, the writing head 130 may be installed rotatably and/or rotatably at the end of the arm 112, and the writing head 130 may be separated from the arm 112 for maintenance and repair. It can be configured to be able to.

The solar panel 120 is configured to generate power using the sun during the day, and may be manufactured as a conventional solar cell module or a flexible solar cell module currently in circulation. As described above, solar cells are arranged on one side of the solar panel 120 and the other side is rotatable or rotatable to the panel mounting portion 116 of the pole 110, and selectively separated from the panel mounting portion 116 It has a fitting part 122 that can be fixed.

3 is a schematic cross-sectional view of a lighting head used in a solar lighting system according to an embodiment of the present invention, and FIG. 4 is an excerpt showing a sealing receiving part of a lighting head used in a solar lighting system according to an embodiment Partial perspective view, Figure 5 is a vertical cross-sectional configuration diagram of a lighting head used in the solar lighting system according to an embodiment of the present invention, Figure 6 is a lighting used in the solar lighting system according to an embodiment of the present invention It is a horizontal cross-sectional configuration diagram of the head.

3 to 6, as described above, the lighting head 130 may be connected to the tip of the arm 112 of the pole 110 so as to illuminate the surroundings at night through the light emitting unit 132. A connection part 134, a sealing receiving part 136 in which the secondary battery 200 and the controller 140 may be sealed, and an LED module part 138 in which the light emitting part 132 may be installed are provided. In addition, the writing head 130 includes a head body 131 and a head cover 135 configured to be hinged to the head body 131 by, for example, a hinge 133.

The sealing receiving part 136 is formed in common with the head body 131 and the head cover 135, and the connection part 134 and the LED module part 138 are provided in the head body 131, as described later. A plurality of holes 135a are formed in the head cover 135 corresponding to the LED module unit 138. The connection part 131 has a hole through which the first cable 151 (see FIG. 6) that can be electrically connected to the solar panel 120 is formed, and is selectively disengaged from the end of the arm 112. It has a connection mechanism 137 that can be.

The writing head 130 is formed of, for example, a rigid material such as metal or FRP. The writing head 130 has a clamping device 139 for selectively opening or closing the head cover 135 relative to the head body 131. The clamping device 139 includes, for example, a hook installed on the head body 131 and a hook groove provided in the head cover 135 so that such a hook can be selectively fastened.

The sealing receiving unit 136 of the writing head 130 includes a first receiving unit 152 formed in the head body 131 so that the secondary battery 200 may be stored, and a head cover so that the controller 140 may be accommodated. A second accommodating portion 154 formed in 135, and a sealing member 159 (see FIG. 11) provided at at least one open end of the first accommodating portion 152 and the second accommodating portion 154 are provided. The sealing member 159 is made of a material having elasticity and sealing properties, such as silicone or rubber.

Specifically, by assembling the solar lighting system 100, when the head cover 135 is sealed with respect to the head body 131, the first receiving portion 152 and the second receiving portion 154 are sealed members ( Through 159, the secondary battery 200 and the controller 140 stored therein may be sealed and accommodated, and the head cover 135 may be opened from the head body 131 for maintenance or repair of the writing head 130. In this case, the second receiving unit 154 can be opened with respect to the first receiving unit 152. In addition, when the writing head 130 is opened as necessary, the secondary battery 200 inside the sealed receiving unit 136 may be fixed to the first receiving unit 152 and the controller 140 is a second receiving unit The secondary battery 200 and the controller 140 may be accommodated in the sealed storage unit 136 so that they can be fixed to the 154.

In a modified embodiment, the secondary battery 200 and the controller 140 inside the sealed receiving part 136 are configured to be spaced apart from each other by a predetermined distance, or a thermal insulation sheet or a pad between the secondary battery 200 and the controller 140 ( (Not shown) may be additionally intervened.

4 and 6, the first accommodating part 152 includes a first through hole 156 through which a first cable 151 that can be connected to the solar panel 120 can be sealed and penetrated, and At least one second cable 153 that can be connected to the light-emitting unit 132 is provided with a second through hole 158 through which it can be sealed.

The light-emitting unit 132 has at least one module structure in which a plurality of light-emitting diodes (LEDs) having high efficiency and low power consumption are aggregated, so that maintenance and repair of the LED module can be simplified.

The controller 140 controls voltage, current, and other functions of electricity generated from the solar panel 120 and controls such power to be stably supplied to the secondary battery 200, and It is configured to control the voltage, current, and other functions of the LED modules, as well as to control the charging/discharging current and voltage of the secondary battery 200 in the form of a module separately from the PCM or BMS of the secondary battery 200. .

2, the solar lighting system 100 according to another embodiment of the present invention, in advance from the lighting head 130 to shade the surface of the lighting head 130 opposite to the light emitting unit 132 It further includes a shade plate 160 installed on the arm 112 or the writing head 130 so as to be spaced apart by the determined interval.

The awning plate 160 is for preventing the lighting head 130 from rising in temperature due to heat that may be generated by direct sunlight from the sun during the daytime. In one embodiment, when the shade plate 160 is installed on the arm 112, the end of the shade plate 160 may be rotated in the same manner when the head cover 135 is rotated from the head body 131 It can be provided with a rotation mechanism. In another embodiment, the shading plate 160 extends from its rim so as to be spaced apart from the surface of the head cover 135 of the lighting head 130 by a predetermined distance, and a plurality of elastic coupling protrusions that can be elastically coupled to the head cover 135 They may be provided with (not shown).

7 is a schematic perspective perspective view of a secondary battery that can be used in a solar lighting system according to an embodiment of the present invention, FIG. 8 is a right side view of FIG. 7, and FIG. 9 is a sun according to an embodiment of the present invention. An exploded perspective view of a main part of a secondary battery that can be used in an optical lighting system, and FIG. 10 is an exploded perspective view of a cell assembly of a secondary battery that can be used in a solar lighting system according to an embodiment of the present invention.

7 to 10, the secondary battery 200 includes a soft pack 210 capable of binding a cell assembly 214 in which a plurality of pouch-type cells 212 are electrically connected and stacked together, The main box 220 in which the soft pack 210 can be accommodated and the protection circuit module 240 connected to the cell assembly 214 can be accommodated, and the sub-box is detachably coupled to the outer wall of the main box 220 Includes 230.

7 and 10, the soft pack 210 is, for example, a size of 235 (length) * 120 (width) * 120 (height), energy of 0.53 kWh, rated capacity of 36 Ah, nominal 14.8 DVC The bare cells 212 for a pouch-type lithium secondary battery to have a voltage and a weight of approximately 2.3 to 3 kg are physically connected to the cell assembly 214 electrically connected by, for example, a 3P4S method, using, for example, an insulating tape. It can be configured by binding. Here, in the bare cells, an electrode assembly in which a plurality of positive plates and a plurality of negative plates are arranged at predetermined intervals on both sides of the separator is sealed inside the pouch together with an electrolyte. Reference numeral 216 of FIG. 10 denotes a charge/discharge circuit for connecting electrode terminals of the cell assembly 214.

The main box 220 is a main body 222 having a substantially rectangular parallelepiped shape having an open end and an accommodating portion capable of accommodating the soft pack 210, and, for example, a main body by a bolt/nut 226, etc. It has a main cover 224 that can be selectively coupled to the open end of 222.

The main body 222 includes two main body coupling portions 228 each extending outward in a substantially vertical direction from the two edges of the long side. The main cover 224 includes a main cover coupling portion 221 to which the main body coupling portion 228 is in contact and coupled, and a main box installation portion 223 extending from the main cover coupling portion 221 do.

The main box installation part 223 extends outwardly substantially perpendicularly from the separation flange 225 and the separation flange 225 extending from the main cover 224 by a predetermined distance from at least one edge of the main cover 224 It is provided with a support flange 227 formed through the mounting hole 227a so as to be in contact with the head body 131 of the solar lighting system. Each of the two main body coupling portions 228 has a different length extending from a corresponding rim. That is, the sub-box 230 is installed on the side (front of FIG. 7) of the main box 220 of the long extended portion of the two main body coupling portions 228. The sub-box 230 includes at least one fixing member 232 that passes through the protection circuit module 240 and is fixed to the surface of the main box 220.

The main box 220 and the sub box 230 are preferably manufactured by a method of bending or injection molding using a rigid material such as aluminum, for example.

FIG. 11 is a real photograph showing a main part of a lighting head that can be used in a solar lighting system according to another embodiment of the present invention, and FIG. 12 is an overall photograph of FIG. 11 with a head cover open to the head body to be.

11 and 12, the secondary battery 200 according to the present embodiment is configured to store power generated from the solar panel 120, and a plurality of pouch-type cells electrically connected and stacked on each other ( The soft pack 210 capable of binding the cell assembly 214 to which the 212 is assembled, the protective circuit module 240 electrically connected to the cell assembly 214, and the soft pack 210 are sealed storage unit 136 It includes an attachment member 250 for attaching to. The attachment member 250 includes two bands 252 surrounding the soft pack 210 and an adhesive tape (not shown) configured to be interposed between the bands 252 and the sealing receiving portion 136.

11 and 12, the secondary battery 200 does not use the main box 220 and the server box 230 of the above-described embodiment, and the soft pack 210 is attached to the attachment member 250. This is an example of a case where it can be used while being fixed to the sealed receiving part 136.

While the foregoing detailed description and drawings represent preferred embodiments of the present invention, various additions, modifications, combinations, and/or various additions, modifications, and/or combinations thereof, without departing from the spirit and scope of the present invention, as defined in the appended claims. It should be understood that substitutes can be made. In particular, it will be understood by those skilled in the art that the present invention can be implemented in other specific shapes, structures, arrangements, and ratios without departing from the spirit or essential features of the present invention by using other elements, materials, and components. . It will be appreciated by those skilled in the art that the present invention may be used with many variations of structure, arrangement, proportions, materials, and components adapted specifically to particular environmental and operating conditions without departing from the principles of the invention. In addition, the features described in the present specification may be used alone or in combination with other features. For example, features described in connection with one embodiment may be used in conjunction with and/or interchangeably with features described in another embodiment. Accordingly, the presently disclosed embodiments should be regarded as illustrative and illustrative rather than restrictive in all respects, and the scope of the invention is indicated by the appended claims, and should not be limited to the above detailed description.

Those skilled in the art will understand that various modifications and variations of the invention are possible without departing from the broad scope of the appended claims. Some of these have been discussed above by way of example and others will be apparent to those skilled in the art.

100...solar lighting system 110...pole
112...arm 120...solar panel
130...Lighting head 131...Head body
132...light emitting part 134...connection part
135...head cover 136...sealed compartment
140...controller 160...shade plate
200... secondary battery 210... soft pack
212...Pouch cell 214...Cell assembly
220...main box 230...sub box
222...main body 224...main cover
240...protection circuit module 250...attachment member
252...band

Claims (19)

As a rechargeable battery that can be sealed and embedded inside the lighting head of a solar lighting system,
A soft pack made of a flexible material capable of binding a stacked cell assembly by contacting a plurality of pouch-type bare cells electrically connected by a charge/discharge circuit;
A main box in which the soft pack can be accommodated; And
And a sub-box detachably coupled to an outer wall surface of the main box and capable of receiving a protection circuit module electrically connected to the cell assembly,
The main box and the sub-box are coupled to each other to form a pack or module, and the pack or module is configured to be sealed and embedded in the writing head.
In claim 1,
The main box is:
A main body having a substantially rectangular parallelepiped shape having an open end and an accommodating portion capable of receiving the soft pack; And
A secondary battery for a solar lighting system having a main cover that can be coupled to the open end of the main body.
In claim 2,
The main body includes two main body coupling portions each extending outward in a substantially vertical direction from two edges of a long side;
The main cover includes a main cover coupling portion to be coupled by contacting the main body coupling portion, and a main box installation portion extending from the main cover coupling portion and formed, a secondary battery for a solar lighting system.
In claim 3,
The main box installation part:
A spacing flange extending from the main cover by a predetermined distance from at least one edge of the main cover; And
A secondary battery for a solar lighting system having a base flange extending substantially vertically outward from the spacing flange and having an installation hole formed therethrough so as to be in contact with the head body of the solar lighting system.
In claim 3,
Each of the two main body coupling portions have different lengths extending from the corresponding edges of the secondary battery for a solar lighting system.
In claim 5,
The sub-box is installed on the side of the main box of a portion of the two main body coupling portions having a long extension length, a secondary battery for a solar lighting system.
In claim 1,
The sub-box further includes at least one fixing member capable of being fixed to the surface of the main box by passing through the protection circuit module, a secondary battery for a solar lighting system.
Solar panels;
It is possible to store the electric power produced from the solar panel, and optional from the sealed storage unit in which the secondary battery for the solar lighting system according to any one of claims 1 to 7 can be sealed and accommodated, and the secondary battery for the solar lighting system A lighting head having a light emitting unit capable of receiving power and emitting light; And
A solar lighting system comprising a controller configured to control the operation of at least one of the secondary battery for the solar lighting system, the light emitting unit, and the solar panel.
In claim 8,
The controller may be accommodated in the sealed storage unit together with the secondary battery for the solar lighting system, a solar lighting system.
In claim 8,
The writing head includes a head body and a head cover;
The sealed storage unit may include a first storage unit formed on the head body to accommodate the secondary battery for the solar lighting system, a second storage unit formed on the head cover to accommodate the controller, and the first number A solar lighting system comprising a payment and a sealing member provided at at least one open end of the second storage unit.
In claim 10,
The first storage unit:
A first through hole through which a cable that can be connected to the solar panel can be sealed; And
At least one cable that can be connected to the light-emitting unit has a second through-hole through which sealing, solar lighting system.
In claim 10,
The head cover can be hinged to the head body, solar lighting system.
In claim 10,
The solar lighting system further comprising a clamping device for selectively opening or closing the head cover relative to the head body.
In claim 8,
The light emitting unit includes a light emitting diode (LED) module, solar lighting system.
delete In claim 8,
The secondary battery for the solar lighting system is:
A soft pack made of a flexible material capable of binding a stacked cell assembly by contacting each other so that a plurality of pouch-type bare cells are electrically connected;
A protection circuit module electrically connected to the cell assembly; And
A solar lighting system comprising an attachment member coupled to the soft pack for attaching the soft pack to the sealed compartment.
In claim 16,
The attachment member is:
At least one band surrounding the soft pack; And
A solar lighting system having an adhesive tape interposed between the band and the sealed receiving part.
In claim 8,
The solar panel is installed on a pole of a street light or a security lamp fixed to the ground;
The lighting head is installed on an arm extending from the pole.
In claim 18,
A solar lighting system further comprising a shading plate installed on the arm to be spaced apart from the writing head at a predetermined interval so as to shade the surface of the writing head opposite to the light emitting part.

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