security lights

Abstract

To provide a safety light capable of preventing the light from being blown away from a road cone. [Solution] The safety light 10 comprises a main body 11 in which a self-illuminating main body light-emitting part 15 is arranged, an insertion part 20 formed in a cylindrical shape and one end connected to the main body 11, and which is inserted into the road cone 100 by inserting it into an insertion hole 105 formed in the road cone 100 from the end side opposite the side connected to the main body 11, and a plurality of protrusions 22 provided on the outer surface 21 of the insertion part 20, which can pass through a notch 106 formed at one location in the circumferential direction of the insertion hole 105, and which are arranged at positions that are different from each other in the axial direction and circumferential direction of the insertion part 20.

Description

[Technical Field]

[0001] This invention relates to a security light. [Background technology]

[0002] On roads where vehicles travel, road cones are sometimes placed in positions where vehicle travel is restricted due to construction or the like, and light-emitting safety lights are sometimes attached to road cones to alert vehicle drivers to the positions where travel is restricted. For example, the safety light described in Patent Document 1 can be attached to a road cone and has a solar cell and a secondary battery, and electricity generated by the solar cell during the day and stored in the secondary battery is supplied to a light-emitting element at night to illuminate the light-emitting element, thereby alerting vehicle drivers. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Patent Publication No. 2021-155952 Summary of the Invention [Problem to be solved by the invention]

[0004] Here, since road cones with safety lights are placed on roads where vehicles are traveling, there is a possibility that a vehicle traveling on the road may come into contact with the road cone. If a vehicle comes into contact with a road cone, the safety lights attached to the road cone may come off the road cone and be thrown onto the road. In this case, there is a risk of secondary damage if a following vehicle comes into contact with the safety lights on the road. For this reason, there is room for improvement in terms of preventing safety lights from being thrown off the road cone when a vehicle comes into contact with the road cone.

[0005] The present invention has been made in consideration of the above, and aims to provide a safety light that can prevent it from being blown away by a road cone. [Means for solving the problem]

[0006] In order to solve the above-mentioned problems and achieve the object, the safety light of the present invention is characterized by comprising a main body part in which a self-luminous light-emitting part, that is a main body light-emitting part, is disposed; an insertion part formed in a cylindrical shape and one end connected to the main body part, which is inserted into an insertion hole formed in the insertion target part by inserting it from the end side opposite to the end connected to the main body part into an insertion hole formed in the insertion target part; and a plurality of protrusions provided on the outer surface of the insertion part, which can pass through a notch formed at one location in the circumferential direction of the insertion hole, and which are disposed at positions where the axial position and circumferential position of the insertion part are different from each other.

[0007] In the above safety light, it is preferable that the main body and the insertion part are connected to each other by a wire on the inside.

[0008] In the safety lamp, it is preferable that the insertion part is provided with a light emitting part for the attachment part, which is a light emitting part that emits light by itself.

[0009] In addition, the above-mentioned safety light is preferably equipped with a control unit that controls the blinking of the main body light-emitting unit and a communication unit that wirelessly sends and receives signals from the control unit, and the control unit communicates with the control units of other safety lights via the communication unit and synchronizes the blinking of the main body light-emitting unit between the communicating safety lights to perform the blinking control.

[0010] In the above safety light, it is preferable that the main body light emitting section is disposed only on one side surface of the main body in a direction perpendicular to the axial direction of the insertion section.

[0011] In addition, in the above-mentioned safety light, it is preferable that a secondary battery that stores the power to be supplied to the main body light-emitting unit is housed inside the insertion portion, and that the insertion portion is equipped with a charging terminal that is a power receiving portion for the power stored in the secondary battery. [Effects of the Invention]

[0012] The safety light of the present invention has the effect of preventing the light from being blown away by road cones. [Brief explanation of the drawings]

[0013] [Figure 1] FIG. 1 is a front view of a security light according to an embodiment. [Figure 2] FIG. 2 is a view taken along the line AA in FIG. [Figure 3] FIG. 3 is a view taken along the arrow CC in FIG. [Figure 4] FIG. 4 is a perspective view of the safety light shown in FIG. [Figure 5] FIG. 5 is a view taken along the arrow BB in FIG. [Figure 6] FIG. 6 is a cross-sectional view taken along line DD in FIG. 2, and is a schematic diagram of the inside of the safety light. [Figure 7] FIG. 7 is a view taken along the arrow EE in FIG. [Figure 8] FIG. 8 is a functional block diagram of a security light according to the embodiment. [Figure 9] FIG. 9 is a perspective view of a charger that charges a secondary battery provided in a safety light. [Figure 10] FIG. 10 is a plan view of the charger shown in FIG. [Figure 11] FIG. 11 is a detailed cross-sectional view of a main part of the charger shown in FIG. [Figure 12] FIG. 12 is an explanatory diagram showing how to insert the safety light into the socket of the charger. [Figure 13] FIG. 13 is an explanatory diagram showing a modification of the charger according to the embodiment, in which a plurality of chargers are integrally formed. [Figure 14]FIG. 14 is an explanatory diagram showing a state in which the security light according to the embodiment is used. [Figure 15] FIG. 15 is a plan view of the upper end portion of the road cone shown in FIG. [Figure 16] FIG. 16 is an explanatory diagram showing a state in which the security light according to the embodiment is used. [Figure 17] FIG. 17 is an explanatory diagram showing an example of a switching pattern of the light emission states of the main body light-emitting unit and the attachment unit light-emitting unit. [Figure 18] FIG. 18 is an explanatory diagram showing the positions where road cones to which safety lights are attached are to be placed. DETAILED DESCRIPTION OF THE INVENTION

[0014] The following describes in detail an embodiment of a safety light according to the present invention with reference to the drawings. However, the present invention is not limited to this embodiment. Furthermore, the components in the following embodiments include those that are replaceable and easily conceivable by those skilled in the art, or those that are substantially the same.

[0015] [Embodiment] FIG. 1 is a front view of a safety light 10 according to an embodiment. FIG. 2 is a view taken along the line AA in FIG. 1. FIG. 3 is a view taken along the line CC in FIG. 2. FIG. 4 is a perspective view of the safety light 10 shown in FIG. 1. The safety light 10 according to this embodiment includes a main body 11 and an insertion portion 20. The main body 11 is formed in a generally rectangular plate-like shape, and when viewed in the thickness direction of the plate, is formed in a generally trapezoidal shape in which one of a pair of opposing sides is longer than the other. More specifically, the main body 11 is formed in a shape in which the side connecting the so-called upper and lower bases of the generally trapezoid is curved in a direction that convex outward.

[0016] The insertion portion 20 is formed in a substantially cylindrical shape and is connected to the shorter side of the substantially trapezoidal shape of the main body 11. The insertion portion 20 is connected to the main body 11 in such a manner that the axial direction of the cylinder that forms the shape of the insertion portion 20 is the direction in which the upper and lower bases of the substantially trapezoidal shape of the main body 11 face each other. Therefore, one end of the insertion portion 20 in the axial direction of the cylinder that forms the shape of the insertion portion 20 is connected to the main body 11. The insertion portion 20 that is formed in a substantially cylindrical shape and connected to the main body 11 has a diameter that is approximately the same as the length of the side of the main body 11 to which the insertion portion 20 is connected.

[0017] The main body 11 thus formed has a main body light-emitting unit 15, a monitor lamp 16, and a selector switch 18. Of these, the main body light-emitting unit 15 is a self-illuminating light-emitting unit that can emit light by using power supplied from a secondary battery 30 (see FIG. 8) described later. The main body light-emitting unit 15 is made up of, for example, an LED (Light Emitting Diode), and emits light when power is supplied to the main body light-emitting unit 15.

[0018] The body light-emitting units 15 are arranged on one surface of the body 11, which is formed in a substantially plate-like shape. That is, the body light-emitting units 15 are arranged only on one surface of the body 11 in a direction perpendicular to the axial direction of the insertion portion 20. In this embodiment, four body light-emitting units 15 are arranged on the surface of the body 11 on which the body light-emitting units 15 are arranged. Of the four body light-emitting units 15 arranged on the body 11, two are arranged side by side in a direction along the axial direction of the insertion portion 20, and the remaining two are arranged side by side in a direction perpendicular to both the axial direction of the insertion portion 20 and the thickness direction of the body 11.

[0019] The main body light-emitting unit 15 is capable of switching the color of light it emits. In this embodiment, the main body light-emitting unit 15 is capable of switching between blue and red light. That is, when the main body light-emitting unit 15 emits light, it can emit blue light or red light.

[0020] The main body 11 having the main body light-emitting unit 15 has a cover 13. The cover 13 is made of a transparent material that transmits light, and most of the main body 11 is covered by the cover 13. The cover 13 is attached by an attachment 12 located at the end of the main body 11 on the side where the insertion unit 20 is located. More specifically, the cover 13 forms most of the outer surface of the main body 11. For this reason, the cover 13 has a substantially trapezoidal shape when viewed from the front, with the surface on which the main body light-emitting unit 15 is located. The shorter side of the substantially trapezoidal shape of the cover 13 forms the attachment 12, and the attachment 12 is attached to the main body 11 near the portion where the insertion unit 20 is connected.

[0021] By being covered by the cover 13 formed in this manner, the main body light-emitting unit 15 is protected from damage caused by contact with external objects while allowing the light emitted by the main body light-emitting unit 15 to be irradiated to the surrounding area. In other words, the cover 13 made of a transparent material covers the main body light-emitting unit 15 while allowing the light from the main body light-emitting unit 15 to pass through and be irradiated toward the outside of the cover 13.

[0022] The monitor lamp 16 and the changeover switch 18 of the main body 11 are arranged on the surface of the main body 11 opposite to the surface on which the main body light emitting unit 15 is arranged in the thickness direction of the main body 11.

[0023] The monitor lamp 16 is a self-illuminating light-emitting unit, similar to the main body light-emitting unit 15. That is, the monitor lamp 16 is made of an LED, similar to the main body light-emitting unit 15, and is capable of self-illuminating using power supplied from a secondary battery 30 (see FIG. 8), which will be described later.

[0024] Monitor lamp 16 is a light-emitting unit intended to confirm the light-emitting state of main body light-emitting unit 15. For this reason, monitor lamp 16 turns on and off in accordance with the lighting and extinguishing of main body light-emitting unit 15, and when main body light-emitting unit 15 lights up, it emits light in the same color as main body light-emitting unit 15. Furthermore, because monitor lamp 16 is intended to confirm the lighting state of main body light-emitting unit 15, the luminous intensity of monitor lamp 16 may be lower than the luminous intensity of main body light-emitting unit 15.

[0025] The selector switch 18 is disposed next to the monitor lamp 16 on the surface of the main body 11 opposite the side where the main body light-emitting unit 15 is disposed. The selector switch 18 can be used to manually switch the light-emitting state of the main body light-emitting unit 15 and to switch the power ON and OFF. The selector switch 18 is a so-called push switch that performs input operations by pressing it, and each time the selector switch 18 is pressed, the light-emitting state of the main body light-emitting unit 15 and the power can be switched ON and OFF.

[0026] Figure 5 is a view taken along the arrow BB in Figure 1. The insertion part 20, which is formed in a substantially cylindrical shape, has a mounting part light emitting part 25, which is a light emitting part that emits light by itself, disposed therein. The mounting part light emitting part 25 is disposed at the bottom 23 of the insertion part 20, which is located at the end of the insertion part 20 opposite the side connected to the main body 11. The mounting part light emitting part 25 is made of an LED, similar to the main body light emitting part 15, and is capable of emitting light by itself using power supplied from a secondary battery 30 (see Figure 8), which will be described later.

[0027] In this embodiment, three attachment part light emitting units 25 are arranged on the bottom 23 of the insertion part 20. Each attachment part light emitting unit 25 is capable of emitting red light when lit. As with the main body part light emitting unit 15, the light emitting state of the attachment part light emitting units 25 can be switched by inputting an input to the selector switch 18.

[0028] A so-called secondary battery 30 (see FIG. 8), which can be charged and discharged, is housed inside the insertion portion 20, which is formed in a substantially cylindrical shape. The secondary battery 30 stores power to be supplied to the main body light-emitting portion 15, the monitor lamp 16, and the attachment portion light-emitting portion 25, and is capable of supplying the stored power to these light-emitting portions. The main body light-emitting portion 15 and the monitor lamp 16, which are arranged in the main body 11, and the attachment portion light-emitting portion 25, which is arranged in the insertion portion 20, emit light using power supplied from the secondary battery 30.

[0029] The insertion part 20 also has charging terminals 28, which are power receiving parts for power stored in the secondary battery 30. The charging terminals 28 are arranged on the bottom 23 of the insertion part 20, similar to the attachment part light-emitting part 25. The charging terminals 28 are made of a conductive material such as a metal material that can receive power from the outside, and a pair of charging terminals 28 are arranged on the bottom 23 of the insertion part 20.

[0030] Furthermore, the insertion portion 20 has a plurality of protrusions 22 provided on the outer peripheral surface 21. The plurality of protrusions 22 are each formed to protrude from the outer peripheral surface 21, and are arranged at positions that are different from each other in the axial direction and the circumferential direction of the insertion portion 20. In this embodiment, two protrusions 22 are arranged on the outer peripheral surface 21 of the insertion portion 20. The two protrusions 22 are arranged at positions that are different from each other in the axial direction and the circumferential direction of the insertion portion 20.

[0031] Specifically, one of the two protrusions 22 is positioned in the circumferential direction of the insertion portion 20 on the side of the main body 11 on which the main body light-emitting unit 15 is disposed, and the other protrusion 22 is positioned in the circumferential direction of the insertion portion 20 on the side of the main body 11 on which the monitor lamp 16 and the selector switch 18 are disposed. In other words, the two protrusions 22 are positioned in positions that are approximately 180° apart in the circumferential direction of the insertion portion 20.

[0032] Of the two protrusions 22, the protrusion 22 arranged on the side of the main body 11 where the main body light-emitting unit 15 is arranged is positioned closer to the bottom 23 of the insertion unit 20 in the axial direction of the insertion unit 20, and the protrusion 22 arranged on the side of the main body 11 where the monitor lamp 16 and the selector switch 18 are arranged is positioned closer to the main body 11 in the axial direction of the insertion unit 20. The protrusions 22 arranged in this manner have a shape when viewed from the front, i.e., a shape when viewed from the protruding direction of the protrusion 22, that is, a substantially rectangular shape.

[0033] Furthermore, the insertion portion 20 has a fitting recess 24 formed on the outer peripheral surface 21 at a position close to the bottom 23. The fitting recess 24 is formed in a groove shape that is recessed from the outer peripheral surface 21 and extends from the end on the bottom 23 side along the axial direction of the insertion portion 20. The fitting recess 24 is provided at two locations on the outer peripheral surface 21 of the insertion portion 20, and the two insertion portions 20 are arranged spaced apart in the circumferential direction of the insertion portion 20.

[0034] Fig. 6 is a cross-sectional view taken along the line DD in Fig. 2, and is a schematic diagram of the interior of the safety light 10. Fig. 7 is a view taken along the line EE in Fig. 6. A wire 35 is arranged between the main body 11 and the insertion portion 20 inside the main body 11 and the insertion portion 20, with one end of the wire 35 connected to the main body 11 and the other end connected to the insertion portion 20. Therefore, the main body 11 and the insertion portion 20 are connected to each other by the wire 35 on the inside. Two wires 35 are arranged inside the main body 11 and the insertion portion 20. Mounting members 36 are connected to both ends of the two wires 35, respectively, and the wires 35 are connected to the main body 11 and the insertion portion 20 by attaching the mounting members 36 to the main body 11 and the insertion portion 20 with mounting screws 37.

[0035] Specifically, the ends of the two wires 35 arranged inside the main body 11 and the insertion portion 20 on the side of the main body 11 are connected to the inside of the main body 11 at a position near the center of the main body 11 in the axial direction of the insertion portion 20. Furthermore, the ends of the two wires 35 arranged inside the main body 11 and the insertion portion 20 on the side of the insertion portion 20 are connected to the inside of the insertion portion 20 at a position near the bottom 23 of the insertion portion 20. The main body 11 and the insertion portion 20 of the security light 10 are connected to each other inside the main body 11 and the insertion portion 20 by the wires 35, with both ends of the wires 35 arranged inside the main body 11 and the insertion portion 20 connected to the main body 11 and the insertion portion 20.

[0036] 8 is a functional block diagram of a security light 10 according to an embodiment. The security light 10 has a control unit 50 that can switch the light emission states of the main body light-emitting unit 15 and the attachment part light-emitting unit 25 by controlling the power supplied to the main body light-emitting unit 15 and the attachment part light-emitting unit 25. The control unit 50 is configured as an electronic control device that includes a processing unit such as a CPU (Central Processing Unit) and a storage unit such as RAM (Random Access Memory), and is disposed inside the main body 11 of the security light 10. The control unit 50 is connected to the main body light-emitting unit 15, the monitor lamp 16, the attachment part light-emitting unit 25, the selector switch 18, the communication unit 40, and the secondary battery 30.

[0037] The control unit 50 controls the main body light-emitting unit 15 to switch the color of light emitted by the main body light-emitting unit 15. The control unit 50 also controls the power supplied to the main body light-emitting unit 15 to control the blinking of the main body light-emitting unit 15. That is, the control unit 50 controls the power supplied to the main body light-emitting unit 15 to switch the main body light-emitting unit 15 between illuminating and extinguishing, thereby causing the main body light-emitting unit 15 to blink, and controls the light-emitting time, the extinguishing time, and the timing of light emission and extinguishing, thereby controlling the blinking of the main body light-emitting unit 15. Specifically, the control unit 50 controls the blinking of the main body light-emitting unit 15 in accordance with a blinking pattern, which is a preset blinking pattern of the main body light-emitting unit 15.

[0038] When controlling the color switching or blinking of the main body light-emitting unit 15 in this manner, the control unit 50 controls the light emission of the monitor lamp 16 in the same color and with the same blinking pattern as the main body light-emitting unit 15. In other words, when the control unit 50 causes the main body light-emitting unit 15 to blink, the control unit 50 causes the monitor lamp 16 to blink in the same color and with the same blinking pattern as the main body light-emitting unit 15.

[0039] On the other hand, the control unit 50 does not control the blinking of the attachment unit light emitting unit 25, but controls the power supplied to the attachment unit light emitting unit 25 to switch the attachment unit light emitting unit 25 between emitting light and turning off.

[0040] The changeover switch 18 can switch the light emitting state of the main body light emitting unit 15 and the attachment part light emitting unit 25, and can also switch the power between ON and OFF.

[0041] The communication unit 40 has an antenna 41 and a communication control unit 42, and is capable of wirelessly transmitting and receiving signals from the control unit 50. Of these, the antenna 41 is an antenna that can transmit and receive radio waves used for wireless communication. The communication control unit 42 is capable of performing communication control when transmitting and receiving signals using radio waves. In more detail, the communication control unit 42 is capable of acquiring signals carried by the radio waves from the radio waves received by the antenna 41 and transmitting the acquired signals to the control unit 50, and also capable of transmitting signals from the control unit 50 via radio waves from the antenna 41. The communication unit 40 can transmit and receive signals by using radio waves in the 2.4 GHz frequency band, for example.

[0042] The security light 10 is equipped with a communication unit 40, which enables wireless communication with other security lights 10, and the control unit 50 of the security light 10 can communicate with the control units 50 of the other security lights 10 via the communication unit 40. Therefore, the security light 10 according to this embodiment is capable of transmitting and receiving signals, such as control signals when controlling the flashing of the main body light-emitting unit 15, between the control units 50 of the security lights 10 via wireless communication between the security lights 10. In other words, the control units 50 of the security lights 10 can transmit and receive control signals via wireless communication between the communication units 40 of the security lights 10.

[0043] The secondary battery 30 serves as a power storage unit that stores power to be supplied to the main body light-emitting unit 15 and the attachment part light-emitting unit 25, and serves as the power source for the power used by the security light 10. The secondary battery 30 receives power from an external power source 250, which is supplied via a charger 200 to a charging terminal 28 disposed in the insertion part 20, and stores the power supplied from the external power source 250. The secondary battery 30 also supplies power to the main body light-emitting unit 15 and the attachment part light-emitting unit 25 via the control unit 50, and the main body light-emitting unit 15 and the attachment part light-emitting unit 25 emit light using the power supplied from the secondary battery 30. The control unit 50 and the communication unit 40 are also driven by power supplied from the secondary battery 30.

[0044] Next, a charger 200 that charges the secondary battery 30 provided in the safety light 10 will be described. Fig. 9 is a perspective view of the charger 200 that charges the secondary battery 30 provided in the safety light 10. Fig. 10 is a plan view of the charger 200 shown in Fig. 9. Fig. 11 is a detailed cross-sectional view of a main portion of the charger 200 shown in Fig. 9. Fig. 12 is an explanatory diagram of inserting the safety light 10 into a socket 202 of the charger 200. The charger 200 that charges the secondary battery 30 provided in the safety light 10 has a socket 202 molded from, for example, a hard electrically insulating resin, which is integrally provided upright on a substrate 203 of a predetermined shape and can hold the safety light 10 in an upright position when the insertion portion 20 of the safety light 10 is inserted into an insertion portion 201 formed inside the charger 200 that is cylindrical and open at the top.

[0045] More specifically, the charger 200 according to this embodiment is provided with a charging connection terminal 205 that comes into contact with a charging terminal 28 (see FIG. 5) provided on the insertion portion 20 of the safety light 10 when the insertion portion 20 of the safety light 10 is inserted into the insertion portion 201 of the socket 202 and set upright on a bottom wall 204 within the insertion portion 201. A connection cord 210 to an external power source 250 (see FIG. 8) such as an AC power source is wired to the charging connection terminal 205 via a converter 211 having a rectifier and a transformer and a control circuit 212 fixed to a large board 220 on which the board 203 is fixed.

[0046] In the charger 200 of this embodiment, the charging connection terminal 205 is formed in a rod shape having a predetermined diameter and length, and has its upper end exposed at the bottom wall 204 of the insertion portion 201 of the socket 202, and its lower end housed in a housing hole 206 formed in the bottom wall 204 so as to be axially movable a predetermined length. Furthermore, the charging connection terminal 205 provided in the charger 200 is disposed in the housing hole 206 with an urging force applied toward the tip of the charging connection terminal 205 by an elastic body 207 disposed in the housing hole 206. In this embodiment, a coil spring is used for the elastic body 207. The urging force applied by the elastic body 207 allows the charging connection terminal 205 to be kept in contact with the charging terminal 28 provided in the insertion portion 20 when the insertion portion 20 of the safety light 10 is inserted into the insertion portion 201 and stands upright.

[0047] Furthermore, the charger 200 has two parallel insertion protrusions 208 formed in the up-down direction from the top surface to the inner peripheral surface of the insertion portion 201 of the socket 202. The insertion protrusions 208 formed in the insertion portion 201 of the socket 202 can be fitted into insertion recesses 24 formed in the outer peripheral surface 21 of the insertion portion 20 of the safety light 10. In other words, the insertion protrusions 208 formed in the insertion portion 201 of the socket 202 and the insertion recesses 24 formed in the insertion portion 20 of the safety light 10 constitute a positioning means when the insertion portion 20 of the safety light 10 is fitted into the insertion portion 201 of the socket 202.

[0048] Therefore, when inserting the insertion portion 20 of the safety light 10 into the insertion portion 201 of the socket 202, the safety light 10 is inserted into the insertion portion 201 of the socket 202 of the charger 200 at a position where the insertion recess 24 of the safety light 10 matches the insertion protrusion 208 of the socket 202, thereby connecting the charging terminal 28 of the safety light 10 to the charging connection terminal 205 of the charger 200. This makes it possible to easily supply power to the safety light 10 from the charger 200.

[0049] Furthermore, the insertion portion 201 of the socket 202 of the charger 200 is provided with a holding member 209 for releasably holding the insertion portion 20 of the safety light 10 inserted into the socket 202. The holding member 209 is formed of, for example, a leaf spring made of metal or hard synthetic resin. Because the socket 202 is provided with the holding member 209 in this manner, the safety light 10 inserted into the socket 202 can be securely held, and the safety light 10 can be prevented from falling off the charger 200 during charging.

[0050] FIG. 13 is an explanatory diagram showing a modified example of the charger 200 according to the embodiment, in which a plurality of chargers 200 are integrally formed. In the charger 200 shown in FIG. 13, a plurality of chargers 200 are arranged side by side in a front-to-back and left-to-right arrangement on a large circuit board 220. The chargers 200 arranged side by side on the circuit board 220 are connected in parallel at their charging connection terminals 205 (see FIGS. 10 and 11) and are connected to a connection cord 210 to a commercial power source (AC power source), which is an external power source 250 (see FIG. 8), via a converter 211 and a control circuit 212 (see FIG. 10). This allows the chargers 200 arranged side by side on the circuit board 220 to simultaneously charge a plurality of safety lights 10.

[0051] Furthermore, since the multiple chargers 200 arranged side by side on the circuit board 220 each have a control circuit 212, they can check the inserted safety light 10 and determine the charging state of each charger 200 individually. This allows the multiple chargers 200 to charge the secondary battery 30 of a safety light 10 by inserting the safety light 10 whose secondary battery 30 needs to be charged into a charger 200 at any position. Furthermore, since each charger 200 has its own control circuit 212, it can individually control and charge the optimal charging power and charging time depending on the charging state of the secondary battery 30 of the inserted safety light 10. This allows optimal charging of the secondary battery 30 of each safety light 10 by simply inserting multiple safety lights 10 with different charging states of their secondary batteries 30 into the charger 200.

[0052] 13 shows an example in which a total of 25 chargers 200 are arranged in five rows and five columns on a large substrate 220, but the chargers 200 may be arranged in any other number. Also, the multiple chargers 200 may be arranged individually on the large substrate 220, or may be configured by integrally molding the multiple chargers 200.

[0053] Furthermore, although the external power source 250 used to charge the secondary battery 30 of the security light 10 has been described as an example in which a commercial power source (AC power source) is used, the external power source 250 may be a power source other than a commercial power source. The external power source 250 may be, for example, a generator or a battery with an appropriate capacity.

[0054] The safety light 10 according to this embodiment has the above-described configuration, and its operation will be described below. Fig. 14 is an explanatory diagram showing how the safety light 10 according to this embodiment is used. The safety light 10 is used by inserting the insertion portion 20 of the safety light 10 into an insertion hole formed in the insertion target component into which the safety light 10 is to be inserted. In this embodiment, the insertion target component is a road cone 100 that is placed at construction sites on roads, etc. Specifically, the insertion target component is a road cone 100 that has an insertion hole 105 formed in its upper end 101.

[0055] When inserting the safety light 10 into the road cone 100, the safety light 10 is inserted into the insertion hole 105 formed in the upper end 101 of the road cone 100 by inserting the insertion portion 20 of the safety light 10 from the end of the insertion portion 20 opposite the end connected to the main body 11. Specifically, the outer diameter of the insertion portion 20 of the safety light 10 is smaller than the inner diameter of the insertion hole 105 formed in the road cone 100. This allows the insertion portion 20 of the safety light 10 to fit into the insertion hole 105 formed in the road cone 100. Therefore, the safety light 10 can be inserted into the insertion hole 105 formed in the road cone 100 from above the road cone 100 with the main body 11 positioned on the upper side and the insertion portion 20 on the lower side.

[0056] Fig. 15 is a plan view of the upper end 101 of the road cone 100 shown in Fig. 14. Here, a notch 106 is formed at one location in the circumferential direction in the insertion hole 105 formed in the upper end 101 of the road cone 100. The notch 106 formed in the insertion hole 105 is formed in a rectangular shape that protrudes outward in the radial direction of the insertion hole 105.

[0057] Meanwhile, two protrusions 22 are arranged on the outer peripheral surface 21 of the insertion portion 20 of the safety light 10. The two protrusions 22 arranged on the insertion portion 20 are formed to a size that allows them to pass through the notches 106 of the insertion hole 105 when the insertion portion 20 is inserted into the insertion hole 105. Therefore, when inserting the insertion portion 20 of the safety light 10 into the insertion hole 105 of the road cone 100, the orientation of the insertion hole 105 in the circumferential direction is adjusted to align the position of the protrusions 22 in the circumferential direction with the position of the notch 106 formed in the insertion hole 105, and the protrusions 22 are inserted by passing them through the notch 106.

[0058] Here, the two protrusions 22 arranged on the insertion portion 20 of the safety light 10 are arranged at positions that are different from each other in the axial direction and the circumferential direction of the insertion portion 20. Therefore, when inserting the insertion portion 20 of the safety light 10 into the insertion hole 105 of the road cone 100, the position of the insertion portion 20 in the circumferential direction is adjusted for each protrusion 22, and the two protrusions 22 are passed sequentially through the notches 106 of the insertion hole 105.

[0059] Specifically, when inserting the insertion portion 20 of the safety light 10 into the insertion hole 105 of the road cone 100, the insertion hole 105 is opened from the bottom 23 side of the insertion portion 20. Therefore, when inserting the insertion portion 20 into the insertion hole 105, of the two protrusions 22 arranged on the insertion portion 20, the protrusion 22 located closer to the bottom 23 in the axial direction of the insertion portion 20 is passed through the notch 106 of the insertion hole 105. When passing the protrusion 22 located closer to the bottom 23 through the notch 106 of the insertion hole 105, the position of the protrusion 22 in the circumferential direction of the insertion portion 20 is aligned with the position of the notch 106 of the insertion hole 105. As a result, of the two protrusions 22 arranged on the insertion portion 20, the protrusion 22 located closer to the bottom 23 is passed through the notch 106 of the insertion hole 105.

[0060] After the protrusion 22 located closer to the bottom 23 is passed through the notch 106 formed in the insertion hole 105 of the road cone 100, the insertion portion 20 is inserted into the insertion hole 105 as is, and then, of the two protrusions 22 arranged on the insertion portion 20, the protrusion 22 located closer to the main body 11 is passed through the notch 106 of the insertion hole 105. When passing the protrusion 22 located closer to the main body 11 through the notch 106 of the insertion hole 105, the position of the protrusion 22 in the circumferential direction of the insertion portion 20 is aligned with the position of the notch 106 of the insertion hole 105.

[0061] In the safety light 10 according to this embodiment, the two protrusions 22 arranged on the insertion portion 20 are arranged at positions that are approximately 180° apart in the circumferential direction of the insertion portion 20. Therefore, after the protrusion 22 located closer to the bottom 23 of the insertion portion 20 is passed through the notch 106 of the insertion hole 105, when the protrusion 22 located closer to the main body portion 11 is passed through the notch 106 of the insertion hole 105, the entire safety light 10 including the insertion portion 20 is rotated approximately 180° around the axis of the insertion portion 20. As a result, the position of the protrusion 22 located closer to the main body portion 11 in the circumferential direction of the insertion portion 20 is aligned with the position of the notch 106 of the insertion hole 105, and the protrusion 22 located closer to the main body portion 11 is passed through the notch 106 of the insertion hole 105. As a result, both of the two protrusions 22 arranged on the insertion portion 20 are passed through the notch 106 of the insertion hole 105.

[0062] After the two protrusions 22 arranged on the insertion portion 20 of the safety light 10 are passed through the notches 106 formed in the insertion hole 105 of the road cone 100, the insertion portion 20 is inserted into the insertion hole 105 as is, and the insertion portion 20 is inserted into the insertion hole 105 until the main body 11 abuts against the upper end 101 of the road cone 100. The main body 11 of the safety light 10 is formed so that the diameter of the portion connected to the insertion portion 20 is larger than the diameter of the insertion portion 20, which is larger than the diameter of the insertion hole 105 of the road cone 100. For this reason, the main body 11 does not fit into the insertion hole 105 of the road cone 100, and the safety light 10 with the insertion portion 20 inserted into the insertion hole 105 of the road cone 100 stops at the position where the main body 11 contacts the upper end 101 of the road cone 100. As a result, the safety light 10 is attached to the upper end 101 of the road cone 100.

[0063] FIG. 16 is an explanatory diagram showing a state in which a safety light 10 according to an embodiment is used. The safety light 10 is attached to a road cone 100 that is placed in an area where lane restrictions are implemented due to construction or the like on a highway. In an area where lane restrictions are implemented, multiple road cones 100 are placed side by side. The safety lights 10 attached to each road cone 100 are arranged so that the side on which the main body light-emitting unit 15 is located faces the same direction for all multiple safety lights 10. Specifically, each safety light 10 attached to a road cone 100 is arranged so that the side on which the main body light-emitting unit 15 is located faces vehicles traveling on a road where lane restrictions are implemented.

[0064] When the safety light 10 is attached to the road cone 100 in this manner, the main body light-emitting unit 15 and the attached part light-emitting unit 25 emit light. This makes it possible to alert the driver of a vehicle traveling along a restricted lane. In other words, the main body light-emitting unit 15 is arranged facing the vehicle traveling on the road, making it easier for the driver of the vehicle to recognize the light from the main body light-emitting unit 15. This makes it easier for the driver of the vehicle to recognize the road cone 100 on which the safety light 10 is attached, and to recognize the lane restrictions indicated by multiple road cones 100.

[0065] Furthermore, the mounting part light-emitting unit 25 is disposed in the insertion part 20 of the safety light 10, and when the safety light 10 is attached to the road cone 100, the insertion part 20 is disposed inside the road cone 100. Therefore, when the mounting part light-emitting unit 25 emits light, the mounting part light-emitting unit 25 emits light inside the road cone 100. As a result, the light from the mounting part light-emitting unit 25 illuminates the road cone 100 from the inside and also passes through the road cone 100, thereby brightening the entire road cone 100. Therefore, the driver of the vehicle can easily recognize the road cone 100 illuminated by the light emitted from the mounting part light-emitting unit 25 of the safety light 10, and can easily recognize the lane restrictions indicated by multiple road cones 100.

[0066] By illuminating the main body light-emitting unit 15 and the attached part light-emitting unit 25 as described above, the safety light 10 makes it easier for drivers of vehicles traveling on the road to recognize the road cone 100, and the light-emitting state of the main body light-emitting unit 15 and the attached part light-emitting unit 25 is switched by operating a selector switch 18 arranged on the main body 11. The selector switch 18 may be operated before or after the safety light 10 is attached to the road cone 100.

[0067] Next, switching of the light-emitting states of the main body light-emitting unit 15 and the attachment part light-emitting unit 25 by operating the selector switch 18 will be described. Fig. 17 is an explanatory diagram showing an example of a switching pattern of the light-emitting states of the main body light-emitting unit 15 and the attachment part light-emitting unit 25. In this embodiment, the main body light-emitting unit 15 of the safety light 10 can be switched between flashing blue and flashing red, and the attachment part light-emitting unit 25 can be made to emit light in red. The safety light 10 can switch the light-emitting states of the main body light-emitting unit 15 and the attachment part light-emitting unit 25 each time the selector switch 18 is pressed.

[0068] For example, when the main body light-emitting unit 15 is flashing blue and the attachment unit light-emitting unit 25 is lit red (ST1), pressing the selector switch 18 switches the main body light-emitting unit 15 from flashing blue to flashing red while the attachment unit light-emitting unit 25 remains lit red (ST2). Furthermore, when the selector switch 18 is pressed in this state, the main body light-emitting unit 15 switches from flashing red to flashing blue and red alternately while the attachment unit light-emitting unit 25 remains lit red (ST3).

[0069] When the main body light-emitting unit 15 is flashing alternately in blue and red and the attachment unit light-emitting unit 25 is lit in red, pressing the selector switch 18 turns off the power to the security light 10 (ST4). That is, both the main body light-emitting unit 15 and the attachment unit light-emitting unit 25 are turned off.

[0070] When the changeover switch 18 is pressed while the power to the security light 10 is OFF, the power to the security light 10 is turned ON. When the power to the security light 10 is turned ON from OFF, the light-emitting state of the main body light-emitting unit 15 and the attached part light-emitting unit 25 starts with the main body light-emitting unit 15 flashing blue and the attached part light-emitting unit 25 lit red (ST1).

[0071] Furthermore, the safety light 10 can turn off the attachment part light-emitting part 25 while keeping the main body part light-emitting part 15 flashing. To turn off the attachment part light-emitting part 25, the attachment part light-emitting part 25 can be turned off by pressing and holding the selector switch 18. In this embodiment, the attachment part light-emitting part 25 can be turned off by pressing and holding the selector switch 18 for two seconds.

[0072] For example, when the main body light-emitting unit 15 is flashing blue and the attachment unit light-emitting unit 25 is lit red (ST1), if the changeover switch 18 is pressed and held down, the main body light-emitting unit 15 will continue to flash blue and the attachment unit light-emitting unit 25 will turn off (ST5).

[0073] Furthermore, when the main body light-emitting unit 15 is flashing red and the attachment unit light-emitting unit 25 is lit red (ST2), if the changeover switch 18 is pressed and held down, the main body light-emitting unit 15 will continue to flash red while the attachment unit light-emitting unit 25 will turn off (ST6).

[0074] Furthermore, when the main body light-emitting unit 15 is flashing alternately in blue and red and the attachment unit light-emitting unit 25 is lit red (ST3), if the selector switch 18 is pressed and held down, the main body light-emitting unit 15 will continue to flash alternately in blue and red while the attachment unit light-emitting unit 25 will turn off (ST7). In this way, by pressing and holding the selector switch 18, the safety light 10 can turn off the attachment unit light-emitting unit 25 while keeping the main body light-emitting unit 15 flashing.

[0075] Furthermore, when the attachment part light-emitting unit 25 is turned off, pressing the selector switch 18 turns off the power to the safety light 10 (ST4). That is, in any of the states where the main body part light-emitting unit 15 is flashing blue and the attachment part light-emitting unit 25 is turned off (ST5), where the main body part light-emitting unit 15 is flashing red and the attachment part light-emitting unit 25 is turned off (ST6), and where the main body part light-emitting unit 15 is flashing blue and red alternately and the attachment part light-emitting unit 25 is turned off (ST7), pressing the selector switch 18 turns off the power to the safety light 10 and turns off both the main body part light-emitting unit 15 and the attachment part light-emitting unit 25.

[0076] By operating the changeover switch 18 in this manner, the safety lamp 10 can be used by causing the main body light emitting unit 15 and the attachment light emitting unit 25 to emit light in a desired light emission state.

[0077] Since the monitor lamp 16 is disposed on the surface of the main body 11 opposite to the surface on which the main body light-emitting unit 15 is disposed, the light-emitting state of the main body light-emitting unit 15 can be confirmed not only by checking the main body light-emitting unit 15 but also by the monitor lamp 16. Therefore, the light-emitting state of the main body light-emitting unit 15 can be switched to a desired light-emitting state by visually checking only the surface of the main body 11 on which the monitor lamp 16 and the selector switch 18 are disposed, without visually checking the main body light-emitting unit 15.

[0078] Furthermore, the main body light-emitting unit 15 of the security light 10 flashes when emitting light, but multiple security lights 10 arranged within a predetermined range can have their main body light-emitting units 15 flash at the same timing. That is, the flashing of the main body light-emitting units 15 of the multiple security lights 10 when they emit light can be synchronized between the security lights 10. The synchronization of the flashing of the main body light-emitting units 15 between the security lights 10 is achieved by communication between the security lights 10.

[0079] When the power of each security light 10 is turned ON by pressing the selector switch 18 from the OFF state, the communication units 40 of the security lights 10 communicate with each other wirelessly. The security lights 10 synchronize the flashing timing of the main body light-emitting units 15 by wirelessly communicating with each other through the communication units 40 of the security lights 10. In other words, the control unit 50 of a security light 10 communicates with the control units 50 of the other security lights 10 via the communication units 40, and controls the flashing of the main body light-emitting units 15 by synchronizing the flashing of the main body light-emitting units 15 between the communicating security lights 10.

[0080] Because the flashing timing of the main body light-emitting units 15 of the safety lights 10 is synchronized among the safety lights 10 in this way, the main body light-emitting units 15 of the multiple safety lights 10 attached to the road cones 100 placed in areas where lane restrictions are performed flash in sync with each other. By flashing the main body light-emitting units 15 in sync in this way, the multiple safety lights 10 placed in areas where lane restrictions are performed can make the flashing of the main body light-emitting units 15 more noticeable. This allows the driver of a vehicle to be alerted to the presence of lane restrictions by the multiple safety lights 10 whose main body light-emitting units 15 flash in sync.

[0081] Figure 18 is an explanatory diagram of the position where a road cone 100 equipped with a safety light 10 is placed. The road cone 100 equipped with a safety light 10 is attached to a road cone 100 that is placed in a portion of a highway where traffic lanes are restricted, for example. For example, as shown in Figure 18, when a road has two travel lanes 300 and travel in one of the travel lanes 300 is restricted, the road cone 100 is placed in a lane restricted section 310 in the travel lane 300 where travel is restricted.

[0082] In this case, in a restriction start section 315 located at the end of the lane restriction section 310 on the side where restriction begins, multiple road cones 100 are placed diagonally with respect to the width direction of the travel lane 300 and the vehicle's traveling direction 305 so that the width of the drivable portion of the restricted travel lane 300 gradually narrows. As a result, in the travel lane 300 on the side where the lane is restricted, the width of the drivable portion of the lane gradually narrows due to the multiple road cones 100 placed in the restriction start section 315 as the vehicle approaches the lane restriction section 310 in the vehicle's traveling direction 305.

[0083] A vehicle traveling in a travel lane 300 on the lane-regulated side in a traveling direction 305 can smoothly change lanes by changing lanes at a regulation start section 315 where the width of the drivable portion of the lane gradually narrows, even if the vehicle is late in changing lanes to a travel lane 300 on the lane-unregulated side.

[0084] The multiple road cones 100 placed in the lane restriction section 310 on the expressway include road cones 100 placed in the restriction start section 315 as described above and road cones 100 placed in parts of the lane restriction section 310 other than the restriction start section 315, and safety lights 10 are attached to all of these road cones 100 or attached at regular intervals to these road cones 100. On the other hand, the light emission state of the main body light-emitting unit 15 and the attached part light-emitting unit 25 is made different between the restriction start section 315 and parts of the lane restriction section 310 other than the restriction start section 315.

[0085] Specifically, in a safety light 10 attached to a road cone 100 placed in the lane restriction start section 315, the main body light-emitting unit 15 flashes and the attached part light-emitting unit 25 is turned on. In contrast, in a safety light 10 attached to a road cone 100 placed in a portion of the lane restriction section 310 other than the restriction start section 315, the main body light-emitting unit 15 flashes and the attached part light-emitting unit 25 is turned off. For example, in a safety light 10 attached to a road cone 100 placed in the lane restriction start section 315, the main body light-emitting unit 15 flashes in blue and the attached part light-emitting unit 25 is turned on in red. In addition, in a safety light 10 attached to a road cone 100 placed in a portion of the lane restriction section 310 other than the restriction start section 315, the main body light-emitting unit 15 flashes in blue and the attached part light-emitting unit 25 is turned off.

[0086] In the safety light 10 attached to the road cone 100 placed in the restriction start section 315, the main body light-emitting unit 15 is made to flash and the attached part light-emitting unit 25 is made to light, thereby calling attention by the flashing of the main body light-emitting unit 15 and brightening the road cone 100 by lighting the attached part light-emitting unit 25, thereby enabling the driver of the vehicle to quickly become aware of the restriction start section 315. Furthermore, in the safety light 10 attached to the road cone 100 placed in a part of the lane restriction section 310 other than the restriction start section 315, the main body light-emitting unit 15 is made to flash and the attached part light-emitting unit 25 is made to turn off, thereby calling attention by the flashing of the main body light-emitting unit 15 and preventing the road cone 100 from becoming too bright and making it difficult to see the conditions in dark parts of the road.

[0087] By attaching the safety lights 10 to the road cones 100 placed in the lane restriction section 310 on the expressway, the drivers of vehicles traveling on the expressway can be alerted to the lane restriction section 310, but because the road cones 100 are placed in the travel lane 300, there is a possibility that vehicles traveling in the travel lane 300 may come into contact with the road cones 100. For example, when a vehicle traveling in the lane restriction lane 300 attempts to change lanes to another lane 300 where the lane is not restricted, the vehicle may be unable to change lanes due to the presence of a vehicle traveling in that lane 300, and the vehicle may come into contact with the road cone 100 near the restriction start section 315.

[0088] In this case, the road cone 100 may fall over due to the impact of the contact, and the safety light 10 attached to the road cone 100 may come off the road cone 100 and be thrown onto the road. If the safety light 10 comes off the road cone 100 and is thrown onto the road, there is a risk of secondary damage occurring, such as when a following vehicle hits the safety light 10 on the road.

[0089] In contrast, the safety light 10 according to this embodiment has two protrusions 22 arranged on the outer peripheral surface 21 of the insertion portion 20 that is inserted into the insertion hole 105 of the road cone 100, thereby preventing the insertion portion 20 from coming out of the insertion hole 105 of the road cone 100. In other words, the insertion hole 105 of the road cone 100 has a notch 106 formed at one location in the circumferential direction, and the protrusion 22 arranged on the insertion portion 20 of the safety light 10 can pass through the notch 106.

[0090] Therefore, if the position of the protrusion 22 in the circumferential direction of the insertion portion 20 happens to be the same as the position of the notch 106 of the insertion hole 105 of the road cone 100, it is possible that the protrusion 22 will pass through the notch 106 and the insertion portion 20 will come out of the insertion hole 105, but the two protrusions 22 arranged on the insertion portion 20 are located at different circumferential positions from each other.

[0091] Therefore, even if one of the two protrusions 22 arranged on the insertion portion 20 passes through the notch 106 of the insertion hole 105 of the road cone 100, the other protrusion 22 is located at a circumferential position different from the position of the notch 106, and therefore the other protrusion 22 abuts against the inner surface of the upper end 101 of the road cone 100. As a result, the insertion portion 20 cannot be removed beyond the position where the protrusion 22 abuts against the inner surface of the upper end 101 of the road cone 100, and the safety light 10 is prevented from having the insertion portion 20 come out of the insertion hole 105 of the road cone 100.

[0092] Furthermore, even if the safety light 10 attached to the road cone 100 does not come out of the insertion hole 105 of the road cone 100 when a vehicle comes into contact with the road cone 100, if the impact of the vehicle coming into contact with the road cone 100 is great, the safety light 10 may be damaged by the impact. For example, the portion of the safety light 10 where the main body 11 and the insertion portion 20 are connected may be damaged by the impact when the vehicle comes into contact with the road cone 100, and the main body 11 and the insertion portion 20 may be separated.

[0093] If the main body 11 and the insertion part 20 separate, the main body 11 will separate from the road cone 100 to which the insertion part 20 is attached, and there is a risk that the main body 11 will be thrown onto the road. Therefore, in this case too, there is a risk that secondary damage will occur if a following vehicle comes into contact with the main body 11 on the road, etc.

[0094] In contrast, in the safety light 10 according to this embodiment, a wire 35 is disposed inside the main body 11 and the insertion portion 20, and the main body 11 and the insertion portion 20 are connected by the wire 35. Therefore, even if the connecting portion between the main body 11 and the insertion portion 20 is damaged and the main body 11 and the insertion portion 20 are separated, the main body 11 continues to be connected to the insertion portion 20 attached to the road cone 100 by the wire 35. As a result, even if the main body 11 and the insertion portion 20 are separated, the main body 11 can be prevented from separating from the road cone 100 and being thrown onto the road, and following vehicles can be prevented from coming into contact with the main body 11.

[0095] In the safety light 10 according to the above embodiment, the outer peripheral surface 21 of the insertion portion 20 is provided with a plurality of protrusions 22 that are positioned at different positions in the axial direction and the circumferential direction of the insertion portion 20. Therefore, even if the road cone 100 falls over, the protrusions 22 can be caught on the portion of the road cone 100 where the insertion hole 105 is formed, preventing the insertion portion 20 from coming off. This prevents the safety light 10, whose insertion portion 20 is inserted into the insertion hole 105 of the road cone 100, from coming off the road cone 100 when the road cone 100 falls over. As a result, the safety light 10 can be prevented from being blown away from the road cone 100.

[0096] Furthermore, because the main body 11 and the insertion portion 20 of the safety light 10 are connected on the inside by the wire 35, even if the connection between the main body 11 and the insertion portion 20 is damaged due to the impact of a vehicle coming into contact with the road cone 100 and the main body 11 and the insertion portion 20 are separated, the main body 11 can remain connected to the insertion portion 20 by the wire 35. This prevents the main body 11 from coming off the road cone 100 into which the insertion portion 20 is inserted, even if the main body 11 and the insertion portion 20 are separated due to an impact on the safety light 10. As a result, the main body 11 of the safety light 10 can be prevented from being blown off from the road cone 100.

[0097] Furthermore, since the self-illuminating mounting portion light-emitting unit 25 is disposed in the insertion portion 20, the entire road cone 100 can be illuminated by illuminating the mounting portion light-emitting unit 25 inside the road cone 100 when the insertion portion 20 is inserted into the insertion hole 105. This makes it easier for drivers of vehicles traveling on the road on which the road cone 100 is disposed to recognize the road cone 100, and prevents vehicles from coming into contact with the road cone 100. Therefore, it is possible to prevent the safety lights 10 attached to the road cone 100 from coming off the road cone 100 due to a vehicle coming into contact with the road cone 100. As a result, it is possible to prevent the safety lights 10 from being blown away from the road cone 100.

[0098] Furthermore, the control unit 50 of the safety light 10, which controls the flashing of the main body light-emitting unit 15, communicates with the control units 50 of other safety lights 10 via the communication unit 40, and synchronizes the flashing of the main body light-emitting units 15 between the safety lights 10 to control the flashing. This makes the flashing of the main body light-emitting units 15 of multiple safety lights 10 attached to multiple road cones 100 placed on the road more noticeable. This allows the synchronized flashing of the main body light-emitting units 15 of the multiple safety lights 10 to alert drivers of vehicles traveling on roads where road cones 100 are placed that multiple road cones 100 are placed. This prevents vehicles from coming into contact with the road cones 100, and prevents the safety lights 10 attached to the road cones 100 from becoming detached from the road cones 100 due to the vehicles coming into contact with the road cones 100. As a result, the safety lights 10 can be prevented from being blown away from the road cones 100.

[0099] Furthermore, since the main body light emitting unit 15 is disposed only on one side of the main body 11 in a direction perpendicular to the axial direction of the insertion portion 20, when the safety light 10 is attached to a road cone 100 disposed on a road where oncoming traffic occurs, the light emitted from the main body light emitting unit 15 can be recognized only by drivers of vehicles traveling in the lane of the desired traveling direction. This prevents drivers of vehicles traveling in the opposite lane from mistakenly identifying the lane in which the road cone 100 is disposed as the lane of the same traveling direction as their own. As a result, wrong-way driving on the road can be prevented, improving safety.

[0100] Furthermore, the secondary battery 30 is housed inside the insertion portion 20, and the insertion portion 20 is equipped with a charging terminal 28 that is a power receiving portion for the power stored in the secondary battery 30. Therefore, when the power of the secondary battery 30 decreases due to use of the safety light 10, the secondary battery 30 can be charged from an external power source 250. This eliminates the need for work such as replacing or disposing of dry batteries when dry batteries are used as the power source for the safety light 10, thereby reducing the amount of work required when using the safety light 10. As a result, the usability of the safety light 10 can be improved.

[0101] [Variations] In the above-described embodiment, the main body light-emitting unit 15 emits blue or red light when emitting light, but the color of the light emitted by the main body light-emitting unit 15 may be other colors. Similarly, in the above-described embodiment, the attachment part light-emitting unit 25 emits red light when emitting light, but the color of the light emitted by the attachment part light-emitting unit 25 may be other colors.

[0102] Furthermore, in the above-described embodiment, four main body light-emitting units 15 and three attachment part light-emitting units 25 are provided, but other numbers of main body light-emitting units 15 and attachment part light-emitting units 25 may be provided. Furthermore, in the above-described embodiment, LEDs are used for the main body light-emitting units 15 and attachment part light-emitting units 25, but light sources other than LEDs may be used for the main body light-emitting units 15 and attachment part light-emitting units 25. [Explanation of symbols]

[0103] 10 Security light 11 Main body 12 Mounting part 13 Cover 15 Main body light emitting part 16 Monitor lamp 18. Selector switch 20 Insertion part 21 Outer surface 22 Protrusion 23 Bottom 24 Insertion recess 25 Mounting part light emitting part 28 Charging terminal 30 Secondary battery 35 wire 36 Mounting material 37 Mounting screw 40 Communications Department 41 Antenna 42 Communication control section 50 control section 100 Road Cones 101 Upper end 105 Insertion hole 106 Notch 200 charger 201 Insertion part 202 Socket 203 Substrate 204 Bottom Wall 205 Charging connection terminal 206 Storage hole 207 Elastic Body 208 Insertion protrusion 209 Retaining member 210 connection cord 211 Converter 212 control circuit 220 board 250 External power supply 300 travel lanes 305 Direction of travel 310 Lane Restricted Section 315 Restriction start section

Claims

1. a main body in which a self-emitting light-emitting unit is disposed; an insertion part formed in a cylindrical shape, one end of which is connected to the main body part, and which is inserted into an insertion hole formed in the insertion target member from the end side opposite to the end connected to the main body part, and is inserted into the insertion target member; a plurality of protrusions provided on the outer peripheral surface of the insertion portion, capable of passing through a notch formed at one location in the circumferential direction of the insertion hole, and disposed at positions different from each other in the axial direction and the circumferential direction of the insertion portion; A security light characterized by comprising:

2. 2. The security light according to claim 1, wherein the main body and the insertion part are connected to each other by a wire inside.

3. The safety lamp according to claim 1, wherein the insertion part has a light-emitting part for the mounting part, which is a light-emitting part that emits light by itself.

4. a control unit that controls the blinking of the main body light emitting unit; a communication unit that wirelessly transmits and receives signals from the control unit; Equipped with A safety light as described in claim 1, wherein the control unit communicates with the control units of other safety lights via the communication unit and synchronizes the blinking of the main body light-emitting units between the communicating safety lights to perform the blinking control.

5. The security light according to claim 1, wherein the main body light emitting portion is disposed only on one side surface of the main body in a direction perpendicular to the axial direction of the insertion portion.

6. A secondary battery is housed inside the insertion portion to store power to be supplied to the main body light emitting portion, The safety light according to claim 1 , wherein the insertion portion includes a charging terminal that is a power receiving portion for receiving power stored in the secondary battery.

Images