Portable lamps

Abstract

The present invention is applicable to the field of lighting technology, and provides a portable lamp. The portable lamp comprises a lamp body, one side of which is provided with a mounting position; a main board fixed on the mounting position, on which a light-emitting body having at least lighting and warning lighting functions is provided; a lamp cover connected to the lamp body, the lamp cover being used to cover the main board; a positioning member installed on the lamp body, the positioning member being used to be connected and fixed to a support to position the irradiation direction of the light-emitting body. In the present invention, the portable lamp can not only realize side-lighting, but also can fix the lamp body laterally on a support, without the need to hold the lamp in hand, thus freeing both hands and improving the convenience of use.

Description

Technical Field

[0001] The invention belongs to the technical field of lighting, and in particular relates to a portable lamp. Background Art

[0002] The use of lighting fixtures such as flashlights or searchlights can provide convenience for temporary lighting in daily work and life. At present, the lighting fixtures on the market are usually provided with light sources at both ends, and the user can select the light source at the corresponding position to emit light according to the actual use situation.

[0003] The lamp with this structure needs to be held by hand during use, and is not convenient to be placed independently and to free both hands for operation, thus having the defect of being inconvenient to use. Summary of the invention

[0004] In view of this, an embodiment of the present invention provides a portable lamp to solve the problem of inconvenience in using the lamp.

[0005] To solve the above problems, the technical solution of the embodiment of the present invention is implemented as follows:

[0006] A portable lamp comprises: a lamp body, one side of which is provided with a mounting position; a main board fixed on the mounting position, on which a light-emitting body having at least lighting and warning lighting functions is provided; a lamp cover connected to the lamp body, the lamp cover is used to cover the main board; a positioning piece installed on the lamp body, the positioning piece is used to be connected and fixed to a support to position the irradiation direction of the light-emitting body.

[0007] In some embodiments, the positioning member includes: a main body, on which is disposed a connector connected to the lamp body; a fixing clip, one end of which is connected to the main body, and the other end of which extends along a first direction; wherein the fixing clip is provided with a suction member for connecting and fixing to the support.

[0008] In some embodiments, a connecting groove is provided on the lamp body, and the connecting member is clamped in the connecting groove.

[0009] In some embodiments, the portable lamp further includes a battery assembly, a receiving slot is provided at the installation position, the battery assembly is installed in the receiving slot, and the mainboard is electrically connected to the battery assembly.

[0010] In some embodiments, the portable lamp further includes a pressing cover and a fastener, wherein the pressing cover is disposed on the lamp cover, and the fastener is connected to the pressing cover to press and fix the lamp cover.

[0011] In some embodiments, the portable lamp further includes a first seal, wherein the first seal is disposed between the lamp cover and the lamp body.

[0012] In some embodiments, the portable lamp also includes: a first lamp assembly installed at one end of the lamp body, the first lamp assembly being electrically connected to the battery assembly; a second lamp assembly installed at the other end of the lamp body, the second lamp assembly being electrically connected to the battery assembly; a first control switch arranged in the lamp body, the first control switch being used to control the lighting function of the first lamp assembly and the lighting function of the light-emitting body to be turned on or off; a second control switch being arranged in the lamp body, the second control switch being used to control the lighting or turning off of the second lamp assembly and to control the turning on or off of the warning lighting function of the light-emitting body.

[0013] In some embodiments, the first lamp assembly includes: a light source board, which is arranged in the lamp body; a cover plate, which is arranged in the lamp body and is located in front of the irradiation direction of the light source board; a reflective cup, which is arranged between the light source board and the cover plate, and is used to process the light emitted by the light source board; a second sealing member, which is arranged between the cover plate and the reflective cup; and a pressure ring, which is connected to the lamp body and is used to press and fix the cover plate.

[0014] In some embodiments, the second lamp assembly includes: a laser disposed in the lamp body, the laser being electrically connected to the main board; and a tail cover connected to the lamp body, the tail cover being used to fix the laser.

[0015] In some embodiments, the portable lamp further includes a charging and discharging connector, which is disposed in the tail cover, and the tail cover is provided with a through hole for connecting an external device to the charging and discharging connector.

[0016] A portable lamp provided in an embodiment of the present invention includes a lamp body, a main board, a lamp cover and a positioning piece. A light-emitting body having at least lighting and warning lighting functions is arranged on the main board, a mounting position is arranged on one side of the lamp body, the main board is fixed on the mounting position, and the main board is covered by the lamp cover. In this way, side lighting can be achieved through the light-emitting body. At the same time, by adopting a positioning piece installed on the lamp body, the positioning piece can be connected to a support, and then the lamp body can be stably fixed on the support, so that the light-emitting body can provide lighting in the direction where lighting is required. Therefore, the lighting position can be positioned by the positioning piece, without the need to hold the light in hand, thus freeing both hands, thereby making the operation flexible and improving the convenience of actual use of the portable lamp. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 is an exploded view of a portable lamp provided by an embodiment of the present invention;

[0019] Figure 2 is a cross-sectional schematic diagram of a portable lamp provided by an embodiment of the present invention;

[0020] Figure 3 is a top view of a portable lamp provided by an embodiment of the present invention.

[0021] Description of reference numerals:

[0022] 10. Sealing groove; 11. Lamp body; 111. Mounting position; 112. Mounting groove; 113. Accommodating groove; 12. Main board; 120. Light emitting body; 13. Lamp cover; 131. Flange; 14. Positioning piece; 141. Main body; 1411. Connecting piece; 142. Fixing clip; 143. Suction piece; 15. Battery assembly; 151. Battery; 152. Battery pressing block; 153. Conductive plate; 16. Pressing cover; 17. Fastener; 18. First sealing piece; 19. First lamp assembly; 191. Light source board; 192. Cover piece; 193. Reflective cup; 194. Second sealing piece; 195. Pressing ring; 20. Second lamp assembly; 201. Laser; 202. Tail cover; 203. Sealing ring; 204. Locking ring; 21. Key cap; 23. Charging and discharging connector; 24. Dust plug. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0024] The various specific technical features described in the specific embodiments can be combined in any suitable manner without contradiction, for example, different embodiments and technical solutions can be formed by combining different specific technical features. In order to avoid unnecessary repetition, various possible combinations of the specific technical features in the present invention will not be described separately.

[0025] It should also be noted that the directional terms such as left, right, up, and down in the embodiments of the present invention are merely relative concepts or are based on the normal use status of the product and should not be considered as restrictive.

[0026] like Figure 1 As shown, a portable lamp provided by an embodiment of the present invention may be a handheld lamp such as a flashlight or a searchlight. For ease of description, a flashlight is used as an example of a portable lamp. It is understandable that the type of portable lamp is not limited.

[0027] like Figure 1 and Figure 2 As shown, the portable lamp includes a lamp body 11, a main board 12, a lamp cover 13 and a positioning member 14. The lamp body 11 is usually cylindrical, and of course it can also be set to other shapes such as a quadrilateral or pentagonal cross section. The interior of the lamp body 11 is provided with a structure that can meet the installation of other parts as needed. In the embodiment of the present invention, a mounting position 111 is provided on one side of the lamp body 11, and the main board 12 is fixed on the mounting position 111. A light emitting body 120 having at least lighting and warning lighting functions is provided on the main board 12. That is, the light emitting body 120 can illuminate or warn according to the actual use situation. These two lighting modes are different. Usually, the lighting is in a constant light state to stabilize the lighting; while the warning light is in a continuous flashing state to attract attention. The lamp cover 13 is used to cover the main board 12. By connecting the lamp cover 13 to the lamp body 11, the lamp cover 13 is covered above the main board 12. The lamp cover 13 is a component that can transmit light, so that the light emitted by the light source 120 is emitted through the lamp cover 13 to achieve the corresponding function. The positioning member 14 is installed on the lamp body 11, and the positioning member 14 is used to connect and fix with the support to locate the irradiation direction of the light source 120. Specifically, the positioning member 14 is installed on the side wall of the lamp body 11, and can provide support in the lateral direction, so that the lamp body 11 can be fixed in the direction parallel to the axis. In this way, in actual use, the entire lamp can be fixed on the support laterally through the connection between the positioning member 14 and the support, so that the light source 120 set on the side can be oriented in the direction to be irradiated, realizing the use function of the work lamp. The connection between the positioning member 14 and the support can be hanging or suction. In this way, the portable lamp can not only provide lighting in the lateral direction, but also can free both hands when used without the need for people to hold it all the time, thereby improving the convenience of actual use.

[0028] In some embodiments, the mounting position 111 provided on the lamp body 11 may be a platform structure formed by being recessed toward the inside of the lamp body 11, or a platform structure formed by being protruded toward the outside of the lamp body 11, and the structure and size of the mounting position 111 formed are preferably adapted to the installation and fixation of the main board 12. In the embodiment of the present invention, the mounting structure is set as a platform formed by being recessed inward, and the lamp cover 13 is covered on the mounting position 111, so that the recess can be covered. The shape of the lamp cover 13 matches the contour shape of the lamp body 11, so that after the lamp cover 13 is connected and fixed to the lamp body 11, the outer contour boundary of the lamp cover 13 is basically flush with the lamp body 11, and the overall aesthetics is good.

[0029] like Figure 1 and Figure 3 As shown, in some embodiments, the positioning member 14 includes a body 141 and a fixing clamp 142. The body 141 is provided with a connecting member 1411 connected to the lamp body 11, and the connection with the lamp body 11 is achieved through the connecting action of the connecting member 1411. One end of the fixing clamp 142 is connected to the body 141, and the other end of the fixing clamp 142 extends a corresponding length along the first direction. The first direction mentioned above is a direction parallel to the axis of the lamp body 11. There is an appropriate gap between the fixing clamp 142 and the lamp body 11, and this gap can be used to accommodate an object providing support, so that the object providing support can be clamped by the fixing clamp 142 and the lamp body 11 to achieve the fixation of the position of the lamp body 11. Optionally, the fixing clamp 142 is set as a member with elastic deformation, which can provide a relatively stable clamping force and improve the stability of the fixed position. In addition, in order to achieve a reliable connection between the fixing clamp 142 and the support, a suction member 143 for connecting and fixing with the support is also provided on the fixing clamp 142. In this way, the fixed connection can be quickly achieved through the connection between the suction member 143 and the support. The suction member 143 can be a magnet or a vacuum suction cup. The fixing clip 142 is provided with structures such as mounting holes or mounting grooves to achieve the installation and fixation of the suction member 143.

[0030] In some embodiments, the connecting member 1411 can be optionally set as a connecting hole or an elastic clip. In this way, when the connecting member 1411 is a connecting hole, the lamp body 11 can be inserted into the connecting hole to achieve connection. When the connecting member 1411 is an elastic clip, it can be fixed by clamping the elastic clip on the lamp body 11. At the same time, in order to improve the stability of the connection between the connecting member 1411 and the lamp body 11, a connecting groove 112 is also provided on the lamp body 11. The connecting groove 112 is circumferentially arranged around the lamp body 11, and the installed connecting member 1411 is clamped in the connecting groove 112. In this way, through the guiding effect of the connecting groove 112, the connection between the positioning member 14 and the lamp body 11 can be accurately achieved, and through the limiting of the connecting groove 112, the installation position 111 of the positioning member 14 can be limited to prevent the positioning member 14 from sliding on the surface of the lamp body 11, thereby improving the stability of the connection.

[0031] In some embodiments, the connection between the positioning member 14 and the lamp body 11 can be set to be able to stably support and fix the lamp body 11, and when a certain force is applied to the positioning member 14, the positioning member 14 can rotate relative to the lamp body 11, so that the irradiation direction of the light source 120 can be adjusted to meet the irradiation requirements under different angles. Specifically, a component that can enhance the damping effect between the positioning member 14 and the lamp body 11, such as a rubber pad or a damper, can be set between the positioning member 14 and the lamp body 11, so that the positioning member 14 can stably support the lamp body 11 and the positioning member 14 can rotate relative to the lamp body 11 to adjust the installation position 111.

[0032] like Figure 1 and Figure 2As shown, in some embodiments, the portable lamp further includes a battery assembly 15, a receiving groove 113 is provided at the mounting position 111, the battery assembly 15 is installed in the receiving groove 113, and the main board 12 is electrically connected to the battery assembly 15. Specifically, the battery assembly 15 includes a rechargeable battery 151, a battery pressing block 152 for fixing the battery 151 at the mounting position 111, and a conductive plate 153 respectively arranged at both ends of the battery 151 for contacting and conducting with the positive and negative electrodes of the battery 151. The battery pressing block 152 is provided with two, and after the conductive plates 153 arranged at both ends of the battery 151 are connected to the battery 151, the battery pressing blocks 152 are respectively pressed on the corresponding conductive plates 153, and then the battery pressing blocks 152 are connected to the lamp body 11 by screw fasteners, thereby fixing the mounting position 111 of the battery 151 and the conductive plate 153, so that the two are kept in reliable electrical connection. In this way, the installed mainboard 12 is placed above the battery 151 and is electrically connected to the corresponding conductive plate 153 to obtain electric energy. After obtaining electric energy, the mainboard 12 can light up the luminous body 120 on the mainboard 12 according to the control information, thereby realizing the function of the lamp being able to emit light from the side. With this arrangement, each component has stable conductive contact with the battery 151, and the overall conductive reliability is good.

[0033] like Figure 1 and Figure 2 As shown, in some embodiments, the portable lamp further includes a gland 16 and a fastener 17. The gland 16 is disposed on the lamp cover 13, and the fastener 17 is connected to the gland 16 to press and fix the lamp cover 13. In this way, the lamp cover 13 is squeezed by the gland 16 so that the lamp cover 13 can be tightly connected to the lamp body 11, thereby improving the overall waterproofness of the lamp and meeting the waterproof requirement that the lamp can be used outdoors on rainy days. Optionally, the fastener 17 is a screw, and a hole for the screw to pass through is provided on the lamp body 11, so that one end of the screw passes through the hole and is connected to the gland 16. Under the connection force generated by the screw lock, the gland 16 is tightly pressed on the lamp cover 13.

[0034] like Figure 1 and Figure 2 As shown, in the embodiment of the present invention, the mounting position 111 is roughly arranged in the middle part of the length direction of the lamp body 11, and the lamp cover 13 is provided with a flange 131. After the pressure cover 16 is connected to the lamp cover 13, the pressure cover 16 is pressed on the flange 131, so that most of the force applied by the pressure cover 16 acts on the flange 131, which can reliably press and fix the lamp cover 13 to achieve sealing of the middle part of the lamp body 11.

[0035] like Figure 1 and Figure 2As shown, in some embodiments, the portable lamp further includes a first seal 18, which is disposed between the lamp cover 13 and the lamp body 11. In this way, when the lamp cover 13 is fixed, the first seal 18 is squeezed to elastically deform, thereby sealing the gap between the lamp cover 13 and the lamp body 11, thereby improving the waterproof performance. Specifically, a sealing groove 10 can be provided on the lamp body 11 and / or the lamp cover 13 for installing the first seal 18, so that the sealing position of the first seal 18 remains stable, thereby improving the reliability of the sealing effect.

[0036] like Figure 1 and Figure 2 As shown, the portable lamp also includes a first lamp assembly 19, a second lamp assembly 20, a first control switch and a second control switch. The first lamp assembly 19 is installed at one end of the lamp body 11, and the first lamp assembly 19 is electrically connected to the battery 151 assembly 15; the second lamp assembly 20 is installed at the other end of the lamp body 11, and the second lamp assembly 20 is electrically connected to the battery 151 assembly 15; the first control switch is arranged in the lamp body 11, and the first control switch is used to control the lighting function of the first lamp assembly 19 and the lighting function of the light-emitting body 120 to be turned on or off; the second control switch is arranged in the lamp body 11, and the second control switch is used to control the second lamp assembly 20 to be turned on or off and to control the warning lighting function of the light-emitting body 120 to be turned on or off. In this way, the two opposite ends of the lamp body 11 are respectively provided with lamp assemblies, so that the two ends can emit light and have different lighting functions, which can meet a variety of usage requirements. Specifically, in the embodiment of the present invention, the first control switch and the second control switch are respectively integrated and arranged on the conductive plate 153, thereby improving the compactness of the structure. Moreover, switch holes are respectively arranged on the lamp body 11 at positions corresponding to the first control switch and the second control switch, and key caps 21 are installed in the switch holes. The corresponding control switches can be operated by pressing the key caps 21 .

[0037] In the embodiment of the present invention, the battery 151 supplies power to the mainboard 12, and the control switches are used to turn on and off the lighting functions of the first lamp assembly 19 and the second lamp assembly 20. The first lamp assembly 19 has a variety of lighting functions, such as emitting concentrated strong light, working light, flood strong light and flashing light. At the same time, the control functions of the first control switch and the second control switch are not limited to the functions described above. It can be understood that, when possible, the first control switch can also be used to control the lighting or shutting down of the second lamp assembly 20 and the turning on or off of the warning lighting function of the light emitting body 120, and the second control switch can be used to control the lighting function of the first lamp assembly 19 and the lighting and lighting function of the light emitting body 120, or all control functions can be integrated on each control switch.

[0038] In the embodiment of the present invention, the mainboard 12 has a built-in near-electricity sensor, which can sense whether there is electric current in the surrounding environment, and can generate a control signal when sensing that the surrounding current exceeds the alarm threshold, so that the light-emitting body 120 lights up and emits a flashing warning light, thereby reminding the user to pay attention to his or her personal safety. The near-electricity monitoring function can be turned on and off by operating the second control switch.

[0039] like Figure 1 and Figure 2 As shown, in some embodiments, the first lamp assembly 19 includes a light source board 191, a cover sheet 192, a reflective cup 193, a second seal 194 and a pressure ring 195. The light source board 191 is arranged in the lamp body 11, and can be electrically connected to the main board 12 or the battery 151. The light source board 191 is provided with light-emitting lamp beads. After power is turned on, it can emit various types of lights under the drive of the main board 12. The cover sheet 192 is arranged in the lamp body 11 and is located in front of the irradiation direction of the light source board 191. The cover sheet 192 is usually a transparent glass sheet, and the light can be emitted. The cover sheet 192 provides shielding protection for the light source board 191. The reflective cup 193 is arranged between the light source board 191 and the cover sheet 192. The reflective cup 193 is used to process the light emitted by the light source board 191 so that the light can be concentrated and emitted, thereby improving the concentration and brightness of the light. The second seal 194 is disposed between the cover sheet 192 and the reflective cup 193, and is used to seal the gap between the cover sheet 192 and the reflective cup 193 to improve the waterproof performance. The pressing ring 195 is connected to the lamp body 11, and is used to press and fix the cover sheet 192. The pressing ring 195 is located at the front of the irradiation direction of the light source plate 191, and is threadedly connected to the lamp body 11. With the fixing of the pressing ring 195, other parts in the first lamp assembly 19 can be reliably fixed in the lamp body 11.

[0040] like Figure 1 and Figure 2 As shown, in some embodiments, the second lamp assembly 20 includes a laser 201 and a tail cover 202. The laser 201 is arranged in the lamp body 11, and the laser 201 is electrically connected to the main board 12; the tail cover 202 is connected to the lamp body 11, and the tail cover 202 is used to fix the laser 201. In this way, by providing the laser 201, it is possible to generate laser, so that the lamp can be used as a laser pen, can be used for conference instructions or emergency commands, etc., and has various functions. In an embodiment of the present invention, the tail cover 202 is arranged in the lamp body 11, and then a locking ring 203 threadedly connected to the lamp body 11 is provided, and the tail cover 202 can be reliably fixed by pressing the locking ring 203. In addition, in order to improve the sealing performance, a sealing ring 204 can also be provided between the locking ring 203 and the tail cover 202 to seal the gap between the two parts so as to improve the waterproof performance.

[0041] like Figure 1 and Figure 2 As shown, in some embodiments, the portable lamp further includes a charging and discharging connector 23, which is disposed in the tail cover 202, and a through hole is provided on the tail cover 202 for connecting an external device to the charging and discharging connector 23. With this arrangement, the portable lamp can not only provide lighting, but also be used to charge other external devices, with a variety of functions to meet different usage requirements. At the same time, in order to seal the through hole. To prevent debris from entering, a dust plug 24 is also provided to seal the through hole to improve the overall waterproofness of the lamp.

[0042] The portable lamp provided in the embodiment of the present invention can realize side-lighting by arranging a light-emitting body 120 on one side of the lamp body 11 and installing a positioning member 14 on the lamp body 11. At the same time, the lamp body 11 can be stably fixed on the support by connecting the positioning member 14 with the support, without the need to hold the lamp, thus freeing both hands and improving the convenience of use. In addition, the portable lamp has the lighting function of a flashlight, can be used as a work light, can also be used as a warning light and a laser pen, and has various lighting functions to meet the use requirements in different situations.

[0043] The above description is only a preferred embodiment of the present invention and is 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 portable lamp, characterized in that: include: A lamp body, one side of which is provided with a mounting position; A mainboard is fixed on the installation position, and a light-emitting body having at least lighting and warning lighting functions is arranged on the mainboard. A near-electricity sensor capable of sensing whether there is current around the use environment is built in the mainboard. When the near-electricity sensor senses that the surrounding current exceeds the alarm threshold, it can generate a control signal to turn on the warning lighting function of the light-emitting body to emit a flashing warning light; A lamp cover connected to the lamp body, and used to cover the main board; A positioning member, mounted on the lamp body, and used to be connected and fixed to a support to position the irradiation direction of the light source; The portable lamp further comprises a pressure cover and a fastener, wherein the pressure cover is arranged on the lamp cover, and the fastener is connected to the pressure cover to press and fix the lamp cover; The lamp cover is provided with a flange, and after the pressure cover is connected to the lamp cover, the pressure cover is pressed on the flange, so that most of the force applied by the pressure cover acts on the flange, and the lamp cover can be reliably pressed and fixed; The positioning member comprises: A main body, wherein a connecting piece connected to the lamp body is provided on the main body; A fixing clip, one end of which is connected to the body, and the other end of which extends along a first direction, the first direction being a direction parallel to the axis of the lamp body, and a gap being provided between the fixing clip and the lamp body, the gap being used to accommodate the support, so that the support can be clamped by the fixing clip and the lamp body to fix the position of the lamp body; Wherein, the fixing clip is provided with a suction member for connecting and fixing with the support, and the suction member is a magnet or a vacuum suction cup; The lamp body is provided with a connecting groove which is arranged around the circumference of the lamp body, and the connecting piece is clamped in the connecting groove.

2. The portable lamp according to claim 1, characterized in that: The portable lamp also includes a battery assembly. A receiving groove is provided at the installation position. The battery assembly is installed in the receiving groove. The mainboard is electrically connected to the battery assembly.

3. The portable lamp according to claim 1, characterized in that: The portable lamp further comprises a first sealing member, which is arranged between the lamp cover and the lamp body.

4. The portable lamp according to claim 2, characterized in that: The portable lamp also includes: A first lamp assembly is mounted at one end of the lamp body, and the first lamp assembly is electrically connected to the battery assembly; A second lamp assembly is mounted on the other end of the lamp body, and the second lamp assembly is electrically connected to the battery assembly; A first control switch, disposed in the lamp body, the first control switch is used to control the on or off of the lighting function of the first lamp assembly and the lighting function of the light-emitting body; A second control switch is disposed in the lamp body, and the second control switch is used to control the second lamp assembly to light up or turn off and control the light-emitting body warning light function to turn on or off.

5. The portable lamp according to claim 4, characterized in that: The first lamp assembly comprises: A light source plate is arranged in the lamp body; A cover plate, arranged in the lamp body and located in front of the irradiation direction of the light source plate; A reflective cup, disposed between the light source plate and the cover plate, and used for processing the light emitted by the light source plate; A second sealing member is disposed between the cover sheet and the reflective cup; A pressing ring is connected to the lamp body and is used to press and fix the cover plate.

6. The portable lamp according to claim 4, characterized in that: The second lamp assembly comprises: A laser is disposed in the lamp body, and the laser is electrically connected to the main board; A tail cover is connected to the lamp body, and the tail cover is used to fix the laser.

7. The portable lamp according to claim 6, characterized in that: The portable lamp also includes a charging and discharging connector, which is arranged in the tail cover. The tail cover is provided with a through hole for connecting an external device to the charging and discharging connector.

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