Handheld light device and communication method thereof

Abstract

The invention relates to the technical field of optics, in particular to a handheld lighting device and a communication method thereof. The LED lamp comprises a pressing ring, a lamp barrel, a handle, a lens set and a light-emitting control assembly. The pressing ring is provided with an opening. The lamp tube is fixedly connected with the pressing ring; the handle is mounted at the lower end of the lamp tube and is a holding part; the lens group is mounted in the opening of the pressing ring; the light-emitting control assembly is installed in the lamp barrel and is in communication connection with the wireless beat transmitter. The wireless beat transmitter is used for transmitting the converted Morse code data corresponding to the plain code or the secret code to the light-emitting control assembly so as to control the light-emitting control assembly to turn on and turn off light according to the rule of the Morse code data; the rear cover is installed on the lamp tube, and the light-emitting control assembly is fixedly installed in the lamp tube. The method is easy to operate and high in environmental adaptability, self-adaptive adjustment of the handheld lamplight within the range of 1 m to 5 km is achieved, a focusing device does not need to be added, and operation steps under the emergency communication condition are simplified.

Description

Technical Field

[0001] The present invention relates to the field of optical technology, and in particular to a handheld lighting device and a communication method thereof. Background Art

[0002] Light communication technology is widely used in electromagnetic sensitive area communications, battlefield emergency communications, ship supply emergency communications and other fields due to its anti-electromagnetic interference, high security and reliability. Light communication devices are divided into two types: fixed and mobile. Fixed light communication devices are often deployed on ships or shore bases, while mobile light communication devices are more flexible in use. Common mobile light communication devices are mostly handheld. During the nighttime navigation or replenishment of ships, handheld light communication devices must take into account both the functionality of communication and the portability of carrying and use. Handheld light communication devices, at different working distances and depending on the scene, must have both clear code communication capabilities to serve as an alarm and expel; and encrypted code communication capabilities to achieve safe and interference-free communication.

[0003] The handheld light communication device in the prior art needs to add a focusing mechanism to adapt to different communication distances. The communication content is single and mostly relies on manual sending and receiving, which has high requirements on the operation of the user. Summary of the invention

[0004] In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a handheld lighting device and a communication method thereof. The present invention is simple to operate, has strong environmental adaptability, reduces the difficulty of communication, and improves the efficiency of emergency communication.

[0005] To achieve the above objectives and other related objectives, the present invention provides a handheld lighting device, comprising:

[0006] A pressing ring, which is provided with an opening;

[0007] A lamp tube, which is fixedly connected to the pressing ring;

[0008] A handle, which is installed at the lower end of the lamp tube, and the handle is a gripping part;

[0009] A lens group, which is installed inside the opening of the pressing ring;

[0010] A light-emitting control component is installed inside the lamp tube and is communicatively connected with the wireless transmitter;

[0011] The wireless transmitter is used to send the converted Morse code data corresponding to the clear code or the secret code to the light control component, so as to control the light control component to turn on and off the light according to the rules of the Morse code data;

[0012] The back cover is mounted on the lamp tube, and the light-emitting control component is fixedly mounted inside the lamp tube.

[0013] In one embodiment of the present invention, the light emitting control component comprises:

[0014] A control and communication board installed in the lamp tube;

[0015] A driving board, which is connected to the control and communication board and is a driving circuit for the light-emitting chip;

[0016] A heat-conducting back plate connected to the driving board and used to fix the light-emitting chip;

[0017] A light-emitting chip, which is used to fix the light-guiding column, and the light-emitting chip is used to generate light of multiple different colors;

[0018] A light guide column is aligned with the lens group, and the light guide column is used to transmit light of different colors to the lens group.

[0019] In one embodiment of the present invention, the light-emitting control component also includes: a battery pack, which is connected to the control and communication board, and the battery pack is used to power the control and communication board, the driving board, the thermal conductive backplane, the light-emitting chip, and the light guide column.

[0020] In one embodiment of the present invention, it also includes: function buttons and interfaces, which are used to provide function control buttons and a charging connection interface for the handheld lighting device.

[0021] In one embodiment of the present invention, the function keys and interfaces include:

[0022] A power button, used to control the power on and off of the handheld lighting device;

[0023] A mode switching key, used to switch between the manual messaging function and the automatic messaging function of the handheld lighting device;

[0024] A light color switching key, used to switch the light color of the handheld light device according to different usage scenarios;

[0025] A manual sending key is used to manually control the on and off of the light of the handheld lighting device;

[0026] A charging interface is used as a charging connection interface of the battery pack.

[0027] In one embodiment of the present invention, the pressing ring is in the shape of a hollow cylinder.

[0028] In one embodiment of the present invention, an outer circumferential surface of one end of the lamp tube is provided with an external thread to cooperate with the pressing ring, and the other end of the lamp tube is provided with a threaded hole to cooperate with the back cover.

[0029] In one embodiment of the present invention, strip-shaped heat dissipation fins are provided on the upper sides of the outer circumferences of the pressure ring and the lamp tube.

[0030] In one embodiment of the present invention, the contact surface between the pressure ring and the lens assembly is coated with sealing silicone rubber, the contact surface between the back cover and the lamp tube is coated with sealing silicone rubber, and the handle and the wire hole of the lamp tube are coated with sealing silicone rubber.

[0031] The present invention also provides a communication method for a handheld lighting device, comprising:

[0032] S1, turning on the power button of the handheld lighting device to power on the handheld lighting device;

[0033] S2, pointing the handheld lighting device toward the location to be communicated or to alert the police;

[0034] S3, pressing the manual sending key to control the handheld lighting device to turn on and off the light in accordance with the Morse code pattern, thereby realizing clear or coded communication;

[0035] S4, pressing the mode switch key to switch the handheld lighting device to the automatic shooting mode;

[0036] S5, connecting the handheld lighting device to the wireless transmitter for communication;

[0037] S6, inputting the sentence to be sent on the wireless transmitter, and the wireless transmitter sends the converted Morse code data to the control and communication board;

[0038] S7, the control and communication board controls the on and off of the light of the handheld lighting device, converts the received Morse code data into light information, and realizes clear code or coded code communication in automatic sending mode.

[0039] As described above, a handheld lighting device and a communication method thereof of the present invention have the following beneficial effects:

[0040] (1) The handheld lighting device of the present invention comprises a pressure ring, a lamp tube, a handle, a lens group, and a light control component. The handheld lighting device of the present invention is easy to operate and has strong environmental adaptability.

[0041] (2) The handheld lighting device of the present invention adopts a light guide column and a lens group with high transmission efficiency to achieve adaptive adjustment of the handheld lighting within a range of 1 m to 5 km without adding a focusing device, thereby simplifying the operation steps under emergency communication conditions.

[0042] (3) The handheld lighting device of the present invention is connected to an external transmitter, which greatly enriches the content of communication sentences and reduces the learning difficulty of users. The present invention has a fully sealed design and strong environmental adaptability.

[0043] (4) The communication method of the handheld lighting device of the present invention reduces the communication difficulty and improves the efficiency of emergency communication. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] Figure 1 A structural diagram of a handheld lighting device provided in an embodiment of the present application.

[0045] Figure 2 A side structural diagram of a handheld lighting device provided in an embodiment of the present application.

[0046] Figure 3 This is a front view of the structure of a handheld lighting device provided in an embodiment of the present application.

[0047] Figure 4 A cross-sectional structural diagram of a lamp tube of a handheld lighting device provided in an embodiment of the present application.

[0048] Figure 5 This is a structural diagram of the function buttons and interfaces of a handheld lighting device provided in an embodiment of the present application.

[0049] Figure 6 A structural diagram of a wireless transmitter of a handheld lighting device provided in an embodiment of the present application.

[0050] Figure 7 A flow chart of a communication method for a handheld lighting device provided in an embodiment of the present application.

[0051] Component number description

[0052] 1 Press ring

[0053] 2 lamp tube

[0054] 3 Handle

[0055] 4 lens groups

[0056] 5 Light guide

[0057] 6. Light-emitting chip

[0058] 7 Thermal back plate

[0059] 8 Driver board

[0060] 9 Control and communication board

[0061] 10. Battery Pack

[0062] 11 Function buttons and interfaces

[0063] 12 Back cover

[0064] 13 Wireless transmitter

[0065] 21 Heat sink gear

[0066] 111 Power button

[0067] 112 Mode switch key

[0068] 113 Light color switch button

[0069] 114 Manual Send Key

[0070] 115 Charging port DETAILED DESCRIPTION

[0071] The following describes the embodiments of the present invention by specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0072] It should be noted that the illustrations provided in the following embodiments are only used to illustrate the basic concept of the present invention in a schematic manner, and thus the illustrations only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0073] Terms such as first or second can be used to describe various components, but these components are not limited by the above terms. The above terms are used to distinguish one component from another component, for example, without departing from the scope of the concept according to the present disclosure, a first component can be referred to as a second component, and similarly, a second component can be referred to as a first component.

[0074] In addition, "connected / coupled" means that one component is directly electrically coupled to another component or is indirectly electrically coupled through another component. The singular form may include the plural form unless explicitly stated in the sentence. In addition, "include / comprise" or "includes / comprises" used in this specification indicates that one or more components, steps, operations, and elements exist or have been added. The specific structural or functional descriptions of the examples of the implementation of the concepts disclosed in this specification are only illustrated to describe the examples of the implementation of the concepts, and the examples of the implementation of the concepts can be implemented in various forms, but these descriptions are not limited to the examples of the implementation described in this specification.

[0075] According to the concept, various modifications and changes can be applied to the examples of the embodiments, so that the examples of the embodiments will be illustrated in the drawings and described in the specification. However, the examples of the embodiments according to the concept are not limited to the specific embodiments, but include all changes, equivalents or replacements included in the spirit and technical scope of the present disclosure.

[0076] It should be understood that when an element is described as being "coupled" or "connected" to another element, the element may be directly coupled or directly connected to the other element, or may be coupled or connected to the other element through a third element. Conversely, it should be understood that when an element is referred to as being "directly coupled to" or "directly coupled to" another element, no other element is placed between them. Other expressions describing the relationship between components (i.e., "between" and "directly between" or "adjacent to" and "directly adjacent to") need to be interpreted in the same manner.

[0077] The terms used in this specification are only used to describe specific examples of the embodiments and are not intended to limit the present disclosure. If there is no clear opposite meaning in the context, the singular form may include the plural form. In this specification, it should be understood that the term "including" or "having" indicates the presence of the features, quantities, steps, operations, components, parts or combinations thereof described in the specification, but the possibility of the presence or addition of one or more other features, quantities, steps, operations, components, parts or combinations thereof cannot be precluded.

[0078] If there is no contrary definition, all terms (including technical terms or scientific terms) used herein have the same meaning as those generally understood by ordinary technicians in the field. If the terms defined in the commonly used dictionary are not clearly defined in this specification, they should be interpreted as having the same meaning as in the context of the relevant technology, and not interpreted as ideal or overly formal meanings.

[0079] Descriptions of well-known components and processing techniques may be omitted so as not to unnecessarily obscure the embodiments of the disclosure.

[0080] Throughout the specification, the same reference numerals refer to the same elements. Thus, even if a reference numeral is not mentioned or described with reference to one figure, it may be mentioned or described with reference to another figure. Furthermore, even if a reference numeral is not shown in one figure, it may be mentioned or described with reference to another figure.

[0081] In addition, the logic level of the signal may be different or opposite to the described logic level. For example, a signal described as having a logic "high" level may alternatively have a logic "low" level, and a signal described as having a logic "low" level may alternatively have a logic "high" level.

[0082] The following will describe the various embodiments of the present disclosure in detail with reference to the accompanying drawings. However, it will be appreciated by those skilled in the art that in the various embodiments of the present disclosure, many technical details are provided in order to enable the reader to better understand the present disclosure. However, even without these technical details and various changes and modifications based on the following embodiments, the technical solutions claimed in the present disclosure can be implemented.

[0083] See also Figure 1 , Figure 2 , Figure 3 , Figure 1 A structural diagram of a handheld lighting device provided in an embodiment of the present application. Figure 2 A side structural diagram of a handheld lighting device provided in an embodiment of the present application. Figure 3 A front view of a handheld lighting device provided in an embodiment of the present application. The present invention provides a handheld lighting device, comprising a pressing ring 1, a lamp tube 2, a handle 3, a lens group 4, and a light control component. The pressing ring 1 is provided with an opening; the lamp tube 2 is fixedly connected to the pressing ring 1; the handle 3 is installed at the lower end of the lamp tube 2, and the handle 3 is a gripping part; the lens group 4 is installed inside the opening of the pressing ring 1; the light control component is installed inside the lamp tube 2, and is connected to the wireless transmitter 13 for communication; the wireless transmitter 13 is used to send the Morse code data corresponding to the converted clear code or secret code to the light control component, so as to control the light control component to turn on and off the light according to the rules of the Morse code data; the back cover 12 is installed on the lamp tube 2, and the light control component is fixedly installed inside the lamp tube 2.

[0084] Specifically, the handheld lighting device further includes function buttons and an interface 11, which is used to provide function control buttons and a charging connection interface for the handheld lighting device.

[0085] Specifically, the pressing ring 1 is in the shape of a hollow cylinder.

[0086] Specifically, an outer circumferential surface of one end of the lamp tube 2 is provided with an external thread to cooperate with the pressing ring 1 , and a threaded hole is provided at the other end of the lamp tube 2 to cooperate with the back cover 12 .

[0087] Specifically, strip-shaped heat dissipation fins 21 are provided on the upper sides of the outer circumferences of the pressing ring 1 and the lamp tube 2 .

[0088] In one embodiment of the present invention, the pressure ring 1 is a limiting and fixing structure of the lens group 4, which is a hollow cylindrical shape, and a fixing plane with a through hole is set at one end, and the size of the through hole is set according to the light aperture of the lighting system; a thread is set on the inner circumference surface, and is fixedly connected to the lamp tube 2 through the thread, and the fixing plane limits the axial displacement of the lens group 4.

[0089] In one embodiment of the present invention, an external thread is provided on the outer circumferential surface of one end of the lamp tube 2, which cooperates with the pressure ring 1 to achieve the sealing and fixation of the front end of the handheld lighting device. A group of threaded holes is provided at the other end of the lamp tube 2, and the number of the threaded holes is 4 evenly distributed, which cooperates with the back cover 12 to achieve the sealing and fixation of the rear end of the handheld lighting device. Strip-shaped heat dissipation fins 21 are provided on the upper side of the outer circumference to increase the heat dissipation area; the lamp tube 2 is a bearing component for each functional component, and the various functional components are sequentially installed on the lamp tube, and the inner circumference size is set with reference to the size of the components in each part.

[0090] Specifically, the handle 3 is the holding part of the handheld lighting device, and the parts that contact the hand are set with large rounded corners to improve the grip; it is connected to the lamp tube 2 by screws on the vertical line of the center of gravity downward to improve the stability of hand-held use; a wire hole is set inside, and the connecting wire of the light color switching key 113 on one side of the handle 3 enters the interior of the lamp tube 2 through the wire hole and is connected to the control and communication board 9.

[0091] Specifically, the lens group 4 is composed of two double convex lenses and a protective flat window glass, and is fixed to the front end of the lamp tube 2 according to the designed interval. The lens group 4 can collimate and expand the uniform light emitted by the light guide column 5.

[0092] Specifically, the rear cover 12 is a fixing and mounting member for the battery pack 10 of the handheld lighting device, and is connected to the lamp tube 2 by screws to fix the battery pack 10 inside the lamp tube 2 .

[0093] See also Figure 4 , Figure 4 A cross-sectional structural diagram of a lamp barrel of a handheld lighting device provided in an embodiment of the present application. The light control assembly includes a light guide column 5, a light emitting chip 6, a thermal conductive back plate 7, a drive board 8, a control and communication board 9, and a battery pack 10. The control and communication board 9 is installed in the lamp barrel 2; the drive board 8 is connected to the control and communication board 9 and is a driving circuit for the light emitting chip 6; the thermal conductive back plate 7 is connected to the drive board 8, which is used to fix the light emitting chip 6; the light emitting chip 6 is used to fix the light guide column 5, and the light emitting chip 6 is used to generate a variety of different colors of light; the light guide column 5 is aligned with the lens group 4, and the light guide column 5 is used to transmit light of different colors to the lens group 4. The battery pack 10 is connected to the control and communication board 9, and the battery pack 10 is used to power the control and communication board 9, the drive board 8, the thermal conductive back plate 7, the light emitting chip 6, and the light guide column 5.

[0094] Specifically, the light guide column 5 is a cylindrical optical lens, and the light guide column 5 can evenly transmit the uneven light emitted by the light emitting chip 6 to the front lens group 4 to form uniform light.

[0095] Specifically, the light emitting chip 6 may be a circuit board including white, red, green and blue light emitting lamp bead components, which can generate light of corresponding colors as needed after being powered on.

[0096] Specifically, the heat-conducting back plate 7 is a cylindrical plate, and the heat-conducting back plate 7 is used to fix the light-emitting chip 6 and conduct the heat generated by the light-emitting chip 6 during operation to the outside of the lamp tube 2 .

[0097] Specifically, the driving board 8 is a driving circuit for the light emitting chip 6 .

[0098] Specifically, the control and communication board 9 is a function control and external wireless communication transmission circuit for the handheld lighting device.

[0099] Specifically, the battery pack 10 is a power supply module of the handheld lighting device. Specifically, considering factors such as the working time, volume, and weight of the handheld lighting device, the battery pack 10 is configured to be powered by four 18650 lithium batteries.

[0100] See also Figure 5 , Figure 5 The structure diagram of the function keys and interfaces of a handheld lighting device provided in an embodiment of the present application. The function keys and interfaces 11 include a power key 111, a mode switch key 112, a light color switch key 113, a manual transmission key 114, and a charging interface 115. The power key 111 is used to control the power on and off of the handheld lighting device; the mode switch key 112 is used to switch the manual transmission function and the automatic transmission function of the handheld lighting device; the light color switch key 113 is used to switch the light color of the handheld lighting device according to different usage scenarios; the manual transmission key 114 is used to manually control the light on and off of the handheld lighting device; and the charging interface 115 is used as a charging connection interface for the battery pack 10.

[0101] In one embodiment of the present invention, the function buttons and interface 11 are control buttons and charging connection interfaces for the functions of the handheld lighting device, including: a power button 111 for controlling the power on and off of the device; a mode switch button 112 for switching between manual and automatic messaging functions of the device; a light color switch button 113 for switching the light color of the device according to different usage scenarios; a manual sending button 114 for manually controlling the on and off of the light of the device; and a charging interface 115, which is a charging connection interface for the device battery pack 10.

[0102] See also Figure 6 , Figure 6 The wireless transmitter 13 is a Morse code transmitter with wireless communication connection function, which has the ability to compile clear and secret codes under the Morse code rules, and can be connected to the wireless communication transmission circuit in the control and communication board 9 to realize the wireless transmission of Morse code data.

[0103] Specifically, the contact surface between the pressing ring 1 and the lens group 4 is coated with sealing silicone rubber, the contact surface between the back cover 12 and the lamp tube 2 is coated with sealing silicone rubber, and the handle 3 and the wire hole of the lamp tube 2 are coated with sealing silicone rubber.

[0104] In one embodiment of the present invention, when installing the pressure ring 1, the fixed surface in contact with the flat glass of the lens group 4 is coated with sealing silicone rubber to achieve the front end sealing of the device. When installing the rear cover 12, the end surface in contact with the lamp tube 2 is coated with sealing silicone rubber to achieve the rear end surface sealing of the handheld lighting device. When installing the handle 3, the end surface in contact with the lamp tube 2 is coated with sealing silicone rubber to achieve the wire hole sealing of the device.

[0105] In one embodiment of the present invention, when a ship needs emergency communication during nighttime navigation or replenishment, after the device turns on the power button 111, the light generated by the light-emitting chip 6 is emitted to the lens group 4 through the light guide column 5, and is emitted after being collimated and expanded by the lens group 4. By pressing the manual sending button 114 according to the Morse code law, the handheld lighting device turns on and off the light corresponding to the Morse code law, and by pressing the light color switching button 113, different color light sources are selected according to weather conditions, which can realize the clear or coded communication of simple sentences within a range of 1m to 5 kilometers; by pressing the mode switching button 112, the wireless module of the control and communication board 9 of the handheld lighting device is connected to the wireless transmitter 13, and the sentence to be sent is input on the wireless transmitter 13. The wireless transmitter 13 sends the converted Morse code data corresponding to the clear or coded code to the control and communication board 9, and the control device turns on and off the light corresponding to the Morse code law, which can realize the clear or coded communication of complex sentences within a range of 1m to 5 kilometers.

[0106] See also Figure 7 , Figure 7 The present invention also provides a communication method for a handheld lighting device, including:

[0107] S1, turning on the power button 111 of the handheld lighting device to power on the handheld lighting device;

[0108] S2, pointing the handheld lighting device toward the location to be communicated or to alert the police;

[0109] S3, pressing the manual sending key 114, controlling the handheld lighting device to turn on and off the light in accordance with the Morse code pattern, and realizing clear or coded communication;

[0110] S4, pressing the mode switch key 112 to switch the handheld lighting device to the automatic shooting mode;

[0111] S5, connecting the handheld lighting device to the wireless transmitter 13 for communication;

[0112] S6, inputting the sentence to be sent on the wireless transmitter 13, and the wireless transmitter 13 sends the converted Morse code data to the control and communication board 9;

[0113] S7, the control and communication board 9 controls the on and off of the light of the handheld lighting device, converts the received Morse code data into light information, and realizes clear code or coded code communication in the automatic sending mode.

[0114] In summary, the handheld lighting device of the present invention includes a pressure ring, a lamp tube, a handle, a lens group, and a light control component. The handheld lighting device of the present invention is simple to operate and has strong environmental adaptability. The present invention adopts a light guide column and a lens group with high conduction efficiency to achieve adaptive adjustment of the handheld light in the range of 1m to 5 kilometers, without the need to add a focusing device, thereby simplifying the operating steps under emergency communication conditions. By connecting to an external transmitter, the present invention greatly enriches the content of communication sentences and reduces the learning difficulty of users. The present invention has a fully sealed design and strong environmental adaptability. The communication method of the present invention reduces the difficulty of communication and improves the efficiency of emergency communications.

[0115] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed by the present invention shall still be covered by the claims of the present invention.

Claims

1. A handheld lighting device, characterized in that: include: A pressing ring (1) provided with an opening; A lamp tube (2) fixedly connected to the pressing ring (1); A handle (3) is mounted on the lower end of the lamp tube (2), and the handle (3) is a gripping portion; A lens group (4) mounted inside the opening of the pressing ring (1); A light-emitting control component, which is installed inside the lamp tube (2) and is communicatively connected to a wireless transmitter (13); The wireless transmitter (13) is used to send the converted Morse code data corresponding to the clear code or the secret code to the light control component, so as to control the light control component to turn on and off the light according to the rules of the Morse code data; A rear cover (12) is mounted on the lamp tube (2) to fix the light control assembly inside the lamp tube (2).

2. A handheld lighting device according to claim 1, characterized in that: The light emitting control component comprises: A control and communication board (9) installed in the lamp tube (2); A driving board (8), which is connected to the control and communication board (9) and is a driving circuit for the light-emitting chip (6); A heat-conducting back plate (7), which is connected to the driving plate (8) and is used to fix the light-emitting chip (6); A light-emitting chip (6) used for fixing the light-guiding column (5), wherein the light-emitting chip (6) is used for generating light of multiple different colors; A light guide column (5) is aligned with the lens group (4), and the light guide column (5) is used to guide light of different colors to the lens group (4).

3. A handheld lighting device according to claim 2, characterized in that: The light-emitting control component further comprises: a battery pack (10) connected to the control and communication board (9), and the battery pack (10) is used to supply power to the control and communication board (9), the drive board (8), the thermal conductive back plate (7), the light-emitting chip (6), and the light guide column (5).

4. A handheld lighting device according to any one of claims 1 to 3, characterized in that: Also includes: Function buttons and interfaces (11) are used to provide function control buttons and a charging connection interface for the handheld lighting device.

5. A handheld lighting device according to claim 4, characterized in that: The function keys and interface (11) include: A power button (111), used to control the power on and off of the handheld lighting device; A mode switching key (112) for switching between a manual messaging function and an automatic messaging function of the handheld lighting device; A light color switching key (113) is used to switch the light color of the handheld light device according to different usage scenarios; A manual sending key (114) is used to manually control the on and off of the light of the handheld lighting device; A charging interface (115) is used as a charging connection interface of the battery pack (10).

6. A handheld lighting device according to claim 1, characterized in that: The pressing ring (1) is in the shape of a hollow cylinder.

7. A handheld lighting device according to claim 1, characterized in that: An external thread is provided on the outer circumferential surface of one end of the lamp tube (2) to cooperate with the pressing ring (1), and a threaded hole is provided on the other end of the lamp tube (2) to cooperate with the back cover (12).

8. The handheld lighting device according to claim 1, characterized in that: Strip-shaped heat dissipation fins (21) are provided on the upper sides of the outer circumferences of the pressing ring (1) and the lamp tube (2).

9. The handheld lighting device according to claim 1, characterized in that: The contact surface between the pressing ring (1) and the lens group (4) is coated with sealing silicone rubber, the contact surface between the rear cover (12) and the lamp tube (2) is coated with sealing silicone rubber, and the wire hole between the handle (3) and the lamp tube (2) is coated with sealing silicone rubber.

10. A communication method for a handheld lighting device, characterized in that: include: S1, turning on the power button (111) of the handheld lighting device to put the handheld lighting device into a powered state; S2, pointing the handheld lighting device toward the location to be communicated or to alert the police; S3, pressing the manual sending key (114) to control the handheld lighting device to turn on and off the light in accordance with the Morse code pattern, thereby achieving clear or coded communication; S4, pressing the mode switching key (112) to switch the handheld lighting device to the automatic shooting mode; S5, connecting the handheld lighting device to the wireless transmitter (13); S6, inputting the sentence to be sent on the wireless transmitter (13), and the wireless transmitter (13) sends the converted Morse code data to the control and communication board (9); S7, the control and communication board (9) controls the on and off of the light of the handheld lighting device, converts the received Morse code data into light information, and realizes clear code or coded code communication in the automatic sending mode.

Images