LED warning lamp control circuit board and LED warning lamp powered by replaceable battery
By using surface-mount components and a circular PCB design, combined with reverse connection protection circuitry and tactile switches, the circuit layout of the LED warning light controller has been optimized, solving the problems of large size and heavy weight, and achieving better heat dissipation and waterproofing.
Patent Information
- Application Number
- CN202422832555.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-12-02
- Estimated Expiration
- 2034-11-20
AI Technical Summary
Existing LED warning light controllers have large and heavy circuit boards, and poor heat dissipation and waterproofing.
It adopts surface-mount components and a circular PCB design, combined with reverse connection protection circuitry and tactile switches, optimizing the circuit layout to reduce size and weight, and improving heat dissipation and waterproofing through O-rings and mounting holes.
This resulted in a smaller and lighter circuit board while improving heat dissipation and waterproofing.
Smart Images
Figure CN223622840U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of LED warning light manufacturing technology, specifically relating to an LED warning light control circuit board and a replaceable battery-powered LED warning light. Background Technology
[0002] The applicant's prior patent, CN 220235019 U, entitled "A controller with flashing alarm function and a portable vehicle warning light," describes a controller with flashing alarm function, comprising an LED power supply (100), an LED light module (200), and an LED flashing control circuit (300), and further comprising a reverse connection protection circuit (400). The positive terminal of the diode in the reverse connection protection circuit (400) is connected via wires to the source (S) terminal of the field-effect transistor in the LED power supply (100), one end of resistor R5, one end of resistor R12, and one end of resistor R13, respectively. The negative terminal of the transistor is connected via wires to one end of capacitor C1, one end of capacitor C3, and pin 1 of the control chip in the LED flashing control circuit (300). Pin 6 of the control chip in the LED flashing control circuit (300) is connected via wires to one end of resistor R11 in the LED light module (200). The anodes of the multiple light-emitting diodes in the LED light module (200) are connected via wires to the drain of the field-effect transistor in the LED power supply (100), the other end of resistor R12, and the other end of resistor R13. One end of resistor R8 in the LED power supply (100) is connected via wires to the other end of resistor R5 and the gate of the field-effect transistor. The other end of resistor R8 is connected via wires to the collector of transistor Q3. The base of transistor Q3 is connected via wires to one end of resistor R15 and one end of resistor R4. The emitter of transistor Q3 and the other end of resistor R15 are grounded via wires. The other end of resistor R4 is connected to the power supply. The cathodes of multiple light-emitting diodes in the LED light module (200) are connected to the collector (C) of transistor Q6 via wires. The emitter (E) of transistor Q6 is grounded via a wire, and the base (B) of transistor Q6 is connected to the other end of resistor R11 via a wire. The number of light-emitting diodes is no less than 13, and the light-emitting diodes are white LEDs. Pin 3 of the control chip in the LED flashing control circuit (300) is connected to one end of a switch and one end of capacitor C2 via wires. Pin 8 of the control chip in the LED flashing control circuit (300), the other end of the switch, and the other end of capacitor C2 are grounded via wires. A controller with a flashing alarm function is installed on the circuit board of the vehicle warning light body (500). This controller with a flashing alarm function and the portable vehicle warning light are described.This type of controller and portable vehicle warning light with flashing alarm function uses plug-in resistors, plug-in capacitors, LEDs, and transistors on its controller. In other words, most of the components in the controller are plug-in type. A controller with flashing alarm function made of plug-in type components (capacitors, resistors, LEDs, transistors, etc.) is not only larger in size but also heavier in weight. In addition, a controller with flashing alarm function will not only occupy more internal space of the portable vehicle warning light with flashing alarm function installed, but will also increase the overall weight of the portable vehicle warning light. Utility Model Content
[0003] Design objective: To overcome the shortcomings of the prior art, this paper designs an LED warning light control circuit board and a replaceable battery-powered LED warning light, which not only has a smaller circuit board size and lighter weight, but also has better heat dissipation and waterproof performance.
[0004] Design scheme: To achieve the above design objectives.
[0005] 1. The LED warning light assembly consists of a surface-mount transistor, a first surface-mount resistor, a second surface-mount resistor, a third surface-mount resistor, and thirteen surface-mount LEDs. The LED warning light control circuit consists of a chip, a tactile switch, and a third surface-mount capacitor. The reverse connection protection circuit consists of a surface-mount diode, a first surface-mount capacitor, and a second surface-mount capacitor. The PCB board is circular, with twelve surface-mount LEDs distributed in a circular pattern on the PCB board, and the center of the circle formed by the twelve surface-mount LEDs coincides with the center of the PCB board. The remaining surface-mount LED is located in the center of the PCB board. The design of having three mounting holes on both sides of the PCB board is one of the technical features of this utility model. The purpose of this design is threefold: First, the LED warning light assembly consists of a surface-mount transistor, a first surface-mount resistor, a second surface-mount resistor, a third surface-mount resistor, and thirteen surface-mount LEDs. The LED warning light control circuit consists of a chip, a tactile switch, and a third surface-mount capacitor. The reverse connection protection circuit consists of a surface-mount diode, a first surface-mount capacitor, and a second surface-mount capacitor. The arrangement of surface-mount resistors, surface-mount transistors, surface-mount LEDs, surface-mount capacitors, and surface-mount diodes not only reduces the size of the circuit board but also its weight. Second, the PCB board is circular, with twelve surface-mount LEDs arranged in a circular pattern, the center of which coincides with the center of the PCB board. The remaining surface-mount LED is located in the center of the PCB board. This not only improves the overall luminous effect of the surface-mount LEDs but also enhances their heat dissipation. Third, the PCB board has three mounting holes that extend through both sides, facilitating the secure installation of the circuit board within the LED warning light.
[0006] 2. In the LED warning light control circuit, pin 1 of the chip is connected via conductive sheets on the PCB board to the negative terminal of the surface-mount diode in the reverse connection protection circuit, one end of the first surface-mount capacitor, and one end of the second surface-mount capacitor. The other ends of the first and second surface-mount capacitors are connected to the negative terminal of the power supply via conductive sheets on the PCB board. Pin 8 of the chip is connected to the negative terminal of the power supply via conductive sheets on the PCB board. Pin 3 of the chip is connected via conductive sheets on the PCB board to one end of the third surface-mount capacitor and one end of the tactile switch. The other ends of the third surface-mount capacitor and the tactile switch are connected to the negative terminal of the power supply via conductive sheets on the PCB board. Pin 6 of the chip is connected via conductive sheets on the PCB board to the second surface-mount diode in the LED warning light assembly. One end of the surface-mount resistor is connected to the positive terminal of each of the thirteen surface-mount LED beads in the LED warning light group, which is connected to the positive terminal of the power supply via a conductive sheet. The positive terminal of the surface-mount diode in the reverse connection protection circuit is connected to the positive terminal of the power supply via a conductive sheet. The negative terminals of the thirteen surface-mount LED beads in the LED warning light group are connected to one end of the third surface-mount resistor via a conductive sheet. The other end of the third surface-mount resistor is connected to the collector terminal of the surface-mount transistor via a conductive sheet. The emitter terminal of the surface-mount transistor is connected to the negative terminal of the power supply via a conductive sheet. The base terminal of the surface-mount transistor is connected to one end of the first surface-mount resistor and the other end of the second surface-mount resistor via a conductive sheet. The other end of the first surface-mount resistor is connected to the negative terminal of the power supply via a conductive sheet. This design is the second technical feature of this utility model.The purpose of this design is as follows: Pin 1 of the chip in the LED warning light control circuit is connected to the negative terminal of the surface-mount diode, one end of the first surface-mount capacitor, and one end of the second surface-mount capacitor in the reverse connection protection circuit via conductive sheets on the PCB board. The other ends of the first and second surface-mount capacitors are connected to the negative power supply via conductive sheets on the PCB board. Pin 8 of the chip is connected to the negative power supply via conductive sheets on the PCB board. Pin 3 of the chip is connected to one end of the third surface-mount capacitor and one end of the tactile switch via conductive sheets on the PCB board. The other ends of the third surface-mount capacitor and the tactile switch are connected to the negative power supply via conductive sheets on the PCB board. Pin 6 of the chip is connected to one end of the second surface-mount resistor in the LED warning light group via conductive sheets on the PCB board. The positive terminals of the thirteen surface-mount LEDs in the LED warning light group are connected to the positive power supply via conductive sheets. The reverse connection protection circuit... The positive terminal of the surface-mount diode in the protection circuit is connected to the positive terminal of the power supply through a conductive sheet; the negative terminals of the thirteen surface-mount LED beads in the LED warning light group are respectively connected to one end of the third surface-mount resistor through conductive sheets, the other end of the third surface-mount resistor is connected to the collector terminal of the surface-mount transistor through a conductive sheet, the emitter terminal of the surface-mount transistor is connected to the negative terminal of the power supply through a conductive sheet, and the base terminal of the surface-mount transistor is respectively connected to one end of the first surface-mount resistor and the other end of the second surface-mount resistor through conductive sheets, the other end of the first surface-mount resistor is connected to the negative terminal of the power supply through a conductive sheet. The reverse connection protection circuit is set up so that the components (capacitors, resistors, chips, etc.) on the circuit board will not be damaged when the battery is reversed. In addition, the LED warning light control circuit is set up so that the user can select different usage modes, such as pressing the switch once for constant light mode, pressing the switch again for strobe mode (flashing 97±5 times per minute), and pressing the switch again to turn off the light.
[0007] 3. The lower end of the base has a battery box mounting cavity, and a battery box is installed inside the battery box. The battery box contains three dry cell batteries. The inner circular surface of the lower port of the base has threads, and the outer circular surface of the base cover has threads. The base cover is screwed onto the base through the threads on the base cover and the threads on the base. The lower end face of the base cover has a magnet mounting cavity, and a magnet is installed inside the magnet mounting cavity through a magnet cup. The lower end face of the base cover has multiple threaded holes. The fixing plate has multiple screw through holes, and the screw through holes pass through both sides of the fixing plate. The fixing plate is fixed to the base cover by multiple screws after being aligned with multiple screw through holes and multiple threaded holes. At this time, the fixing plate covers the opening of the magnet mounting cavity. The upper end of the base is provided with a circuit board mounting cavity, and an LED warning light control circuit board is installed in the circuit board mounting cavity. A switch through hole is provided on one side of the base, and the contact of the tactile switch is located in the switch through hole. The upper end of the base is provided with a lampshade, and the lampshade covers the LED warning light control circuit board. The dry cell battery in the battery box is designed to power the surface mount LED beads and chips. This is the third technical feature of this utility model. The purpose of this design is as follows: The lower end of the base has a battery box mounting cavity containing a battery box with three dry cell batteries. The inner surface of the lower port of the base has threads, and the outer surface of the base cover has threads. The base cover is screwed onto the base via threads on the base cover and the base itself. The lower end face of the base cover has a magnet mounting cavity containing a magnet mounted via a magnet holder. The lower end face of the base cover has multiple threaded holes. The fixing plate has multiple screw through holes that extend through both sides of the fixing plate. After the screw through holes and threaded holes are aligned, the fixing plate is fixed onto the base cover with multiple screws, thus sealing the opening of the magnet mounting cavity. The upper end of the base has a circuit board mounting cavity. An LED warning light control circuit board is installed inside. A switch through-hole is provided on one side of the base, and the contact of the tactile switch is located inside the switch through-hole. A lampshade is provided on the upper end of the base, covering the LED warning light control circuit board. The dry cell batteries in the battery compartment power the surface-mount LED beads and chips. Firstly, the base and base cover are screwed together, facilitating battery replacement in the LED warning light. Secondly, the replaceable battery-powered LED warning light with the LED warning light control circuit board is smaller and lighter, resulting in a lighter overall weight and less internal space occupied by the circuit board.
[0008] 4. The O-ring design between the base and the base cover is the fourth technical feature of this utility model. The purpose of this design is that the O-ring between the base and the base cover improves the waterproof effect of the replaceable battery-powered LED warning light.
[0009] 5. The base has three mounting posts at its upper end, and the upper surface of each mounting post has screw mounting holes. The PCB board is fixed to the upper end of the base by three screws after the three mounting holes on the PCB board are aligned with the corresponding screw mounting holes. This design is the fifth technical feature of this utility model. The purpose of this design is that the upper end of the base has three mounting posts with screw mounting holes at its upper surface. The PCB board is fixed to the upper end of the base by three screws after the three mounting holes on the PCB board are aligned with the corresponding screw mounting holes. Due to the three mounting posts, the PCB board is in a suspended state, which improves the heat dissipation effect of the LED warning light control circuit board in a replaceable battery-powered LED warning light.
[0010] Technical Solution 1: An LED warning light control circuit board includes a PCB board. The PCB board has a chip, a tactile switch, a surface-mount diode, a surface-mount transistor, a first surface-mount resistor, a second surface-mount resistor, a third surface-mount resistor, a first surface-mount capacitor, a second surface-mount capacitor, a third surface-mount capacitor, and thirteen surface-mount LEDs. The LED warning light assembly consists of a surface-mount transistor, a first surface-mount resistor, a second surface-mount resistor, a third surface-mount resistor, and thirteen surface-mount LEDs. The LED warning light control circuit consists of a chip, a tactile switch, and a third surface-mount capacitor. The reverse connection protection circuit consists of a surface-mount diode, a first surface-mount capacitor, and a second surface-mount capacitor. The PCB board is circular, with twelve surface-mount LEDs distributed in a circular pattern on the PCB board, the center of which coincides with the center of the PCB board. The remaining surface-mount LED is located in the center of the PCB board. The PCB board has three mounting holes that penetrate both sides of the PCB board.
[0011] Technical Solution 2: A replaceable battery-powered LED warning light, comprising a base, a lampshade, a base cover, a battery box, three dry cell batteries, a magnetic cup, a magnet, and a mounting plate. The lower end of the base has a battery box mounting cavity containing the battery box, which holds three dry cell batteries. The inner surface of the lower end of the base has threads, and the outer surface of the base cover has threads. The base cover is screwed onto the base via threads on the base cover and the base. The lower end face of the base cover has a magnet mounting cavity containing a magnet mounted via a magnetic cup. The lower end face of the base cover has multiple screws. The mounting plate has multiple screw through holes that extend through both sides. After the screw through holes and threaded holes are aligned, the mounting plate is fixed to the base cover with multiple screws. At this point, the mounting plate seals the opening of the magnet mounting cavity. The upper end of the base has a circuit board mounting cavity, within which an LED warning light control circuit board is installed. One side of the base has a switch through hole, and the contact of the tactile switch is located within this through hole. The upper end of the base has a lampshade that covers the LED warning light control circuit board. The dry cell batteries in the battery compartment power the surface-mount LEDs and chips.
[0012] Compared with the prior art, the present invention provides an LED warning light control circuit board and a replaceable battery-powered LED warning light, which not only has a smaller circuit board size and lighter weight, but also has better heat dissipation and waterproof performance. Attached Figure Description
[0013] Figure 1 This is a circuit diagram of an LED warning light control circuit board.
[0014] Figure 2 This is a schematic diagram of the structure of an LED warning light control circuit board.
[0015] Figure 3 This is a schematic diagram of a replaceable battery-powered LED warning light.
[0016] Figure 4 yes Figure 3 A schematic diagram of the cross-sectional structure at point AA. Detailed Implementation
[0017] Example 1: Refer to Appendix Figures 1-2An LED warning light control circuit board includes a PCB board 1. The PCB board 1 has a chip 2, a tactile switch 3, a surface-mount diode 4, a surface-mount transistor 5, a first surface-mount resistor 6, a second surface-mount resistor 7, a third surface-mount resistor 8, a first surface-mount capacitor 9, a second surface-mount capacitor 10, a third surface-mount capacitor 11, and thirteen surface-mount LED beads 12. The LED warning light assembly is composed of a surface-mount transistor 5, a first surface-mount resistor 6, a second surface-mount resistor 7, a third surface-mount resistor 8, and thirteen surface-mount LED beads 12. The warning light control circuit consists of a chip 2, a tactile switch 3, and a third surface-mount capacitor 11. The reverse connection protection circuit consists of a surface-mount diode 4, a first surface-mount capacitor 9, and a second surface-mount capacitor 10. The PCB board 1 is circular, with twelve surface-mount LEDs 12 distributed in a circular pattern, the center of which coincides with the center of the PCB board 1. The remaining surface-mount LED 12 is located in the center of the PCB board 1. The PCB board 1 has three mounting holes 13 that extend through both sides of the PCB board 1. The chip 2 is an HT66F002. The surface-mount transistor 5 is an S8050.
[0018] In the LED warning light control circuit, pin 1 of chip 2 is connected to the negative terminal of the surface-mount diode 4, one end of the first surface-mount capacitor 9, and one end of the second surface-mount capacitor 10 in the reverse connection protection circuit via conductive sheets on the PCB board 1. The other end of the first surface-mount capacitor 9 and the other end of the second surface-mount capacitor 10 are connected to the negative terminal of the power supply via conductive sheets on the PCB board 1. Pin 8 of chip 2 is connected to the negative terminal of the power supply via conductive sheets on the PCB board 1. Pin 3 of chip 2 is connected to one end of the third surface-mount capacitor 11 and one end of the tactile switch 3 via conductive sheets on the PCB board 1. The other end of the third surface-mount capacitor 11 and the other end of the tactile switch 3 are connected to the negative terminal of the power supply via conductive sheets on the PCB board 1. Pin 6 of chip 2 is connected to one end of the second surface-mount resistor 7 in the LED warning light group via conductive sheets on the PCB board 1. The positive terminals of the thirteen surface-mount LED beads 12 in the LED warning light group are connected to the positive terminal of the power supply via conductive sheets. The positive terminal of the surface-mount diode 4 in the reverse connection protection circuit is connected to the positive terminal of the power supply via conductive sheets.
[0019] The negative terminals of the thirteen surface-mount LED beads 12 in the LED warning light assembly are connected to one end of a third surface-mount resistor 8 via conductive sheets. The other end of the third surface-mount resistor 8 is connected to the collector terminal of a surface-mount transistor 5 via a conductive sheet. The emitter terminal of the surface-mount transistor 5 is connected to the negative terminal of a power supply via a conductive sheet. The base terminal of the surface-mount transistor 5 is connected to one end of a first surface-mount resistor 6 and the other end of a second surface-mount resistor 7 via conductive sheets. The other end of the first surface-mount resistor 6 is connected to the negative terminal of a power supply via a conductive sheet. The power supply is a dry cell battery.
[0020] Example 2: Based on Example 1, refer to Appendix Figures 3-4 A replaceable battery-powered LED warning light includes a base 100, a lampshade 101, a base cover 102, a battery box 103, three dry cell batteries 104, a magnet cup 105, a magnet 106, and a fixing plate 107. The lower end of the base 100 has a battery box mounting cavity, and the battery box 103 is housed within the cavity. The battery box 103 contains three dry cell batteries 104. The inner circular surface of the lower end of the base 100 is threaded, and the outer circular surface of the base cover 102 is threaded. The base cover 102 is screwed onto the base 100 via its threads. The lower end face of the base cover 102 has a magnet mounting cavity, and a magnet 106 is mounted within the cavity via a magnet cup 105. The lower end face of the base cover 102... The end face is provided with multiple threaded holes, and the fixing plate 107 is provided with multiple screw through holes that pass through both sides of the fixing plate 107. After the multiple screw through holes and multiple threaded holes are aligned one by one, the fixing plate 107 is fixedly installed on the base cover 102 by multiple screws. At this time, the fixing plate 107 covers the opening of the magnet mounting cavity. The upper end of the base 100 is provided with a circuit board mounting cavity, and an LED warning light control circuit board is installed in the circuit board mounting cavity. One side of the base 100 is provided with a switch through hole 108, and the contact of the tactile switch 3 is located in the switch through hole 108. The upper end of the base 100 is provided with a lamp cover 101, and the lamp cover 101 covers an LED warning light control circuit board. The dry cell battery 104 in the battery box 103 powers the surface mount LED 12 and the chip 2.
[0021] An O-ring 109 is provided between the base 100 and the base cover 102. The upper end of the base 100 is provided with three mounting posts 110, and the upper end face of the mounting posts 110 is provided with screw mounting holes. The PCB board 1 is fixedly mounted on the upper end of the base 100 by three screws after the three mounting holes 13 on the PCB board 1 are aligned with the corresponding screw mounting holes.
[0022] It should be understood that although the above embodiments provide a relatively detailed textual description of the design concept of this utility model, these textual descriptions are merely simple textual descriptions of the design concept of this utility model, and not limitations on the design concept of this utility model. Any combination, addition, or modification that does not exceed the design concept of this utility model shall fall within the protection scope of this utility model.
Claims
1. An LED warning light control circuit board, comprising a PCB board (1), wherein the PCB board (1) is provided with a chip (2), a tactile switch (3), a surface mount diode (4), a surface mount transistor (5), a first surface mount resistor (6), a second surface mount resistor (7), a third surface mount resistor (8), a first surface mount capacitor (9), a second surface mount capacitor (10), a third surface mount capacitor (11), and thirteen surface mount LED beads (12), characterized in that: The LED warning light assembly consists of a surface-mount transistor (5), a first surface-mount resistor (6), a second surface-mount resistor (7), a third surface-mount resistor (8), and thirteen surface-mount LED beads (12). The LED warning light control circuit consists of a chip (2), a tactile switch (3), and a third surface-mount capacitor (11). The reverse connection protection circuit consists of a surface-mount diode (4), a first surface-mount capacitor (9), and a second surface-mount capacitor (10). The PCB board (1) is circular, with twelve surface-mount LED beads (12) distributed in a circular pattern on the PCB board (1), and the center of the circle formed by the twelve surface-mount LED beads (12) coincides with the center of the PCB board (1). The remaining surface-mount LED bead (12) is located in the center of the PCB board (1). The PCB board (1) has three mounting holes (13) that penetrate both sides of the PCB board (1).
2. The LED warning light control circuit board according to claim 1, characterized in that: Pin 1 of the chip (2) in the LED warning light control circuit is connected to the negative terminal of the surface-mount diode (4) in the reverse connection protection circuit, one end of the first surface-mount capacitor (9), and one end of the second surface-mount capacitor (10) through conductive plates on the PCB board (1). The other end of the first surface-mount capacitor (9) and the other end of the second surface-mount capacitor (10) are connected to the negative terminal of the power supply through conductive plates on the PCB board (1). Pin 8 of the chip (2) is connected to the negative terminal of the power supply through conductive plates on the PCB board (1). Pin 3 of the chip (2) is connected to the negative terminal of the power supply through conductive plates on the PCB board (1). One end of the third surface mount capacitor (11) is connected to one end of the tactile switch (3). The other end of the third surface mount capacitor (11) and the other end of the tactile switch (3) are respectively connected to the negative terminal of the power supply through the conductive sheet on the PCB board (1). The pin 6 of the chip (2) is connected to one end of the second surface mount resistor (7) in the LED warning light group through the conductive sheet on the PCB board (1). The positive terminals of the thirteen surface mount LED beads (12) in the LED warning light group are respectively connected to the positive terminal of the power supply through the conductive sheet. The positive terminal of the surface mount diode (4) in the reverse connection protection circuit is connected to the positive terminal of the power supply through the conductive sheet.
3. The LED warning light control circuit board according to claim 2, characterized in that: The negative terminals of the thirteen SMD LED beads (12) in the LED warning light group are respectively connected to one end of the third SMD resistor (8) through conductive sheets. The other end of the third SMD resistor (8) is connected to the collector terminal of the SMD transistor (5) through conductive sheets. The emitter terminal of the SMD transistor (5) is connected to the negative terminal of the power supply through conductive sheets. The base terminal of the SMD transistor (5) is respectively connected to one end of the first SMD resistor (6) and the other end of the second SMD resistor (7) through conductive sheets. The other end of the first SMD resistor (6) is connected to the negative terminal of the power supply through conductive sheets.
4. The LED warning light control circuit board according to claim 2, characterized in that: The power source is a dry cell battery.
5. A replaceable battery-powered LED warning light, comprising a base (100), a lampshade (101), a base cover (102), a battery box (103), three dry cell batteries (104), a magnetic cup (105), a magnet (106), and a mounting plate (107), characterized in that: The lower end of the base (100) is provided with a battery box mounting cavity, and a battery box (103) is provided inside the battery box mounting cavity. Three dry batteries (104) are provided inside the battery box (103). The inner circular surface of the lower port of the base (100) is provided with threads, and the outer circular surface of the base cover (102) is provided with threads. The base cover (102) is screwed onto the base (100) through the threads on the base cover (102) and the threads on the base (100). The lower end face of the base cover (102) is provided with a magnet mounting cavity, and a magnet (106) is installed in the magnet mounting cavity through a magnet cup (105). The lower end face of the base cover (102) is provided with multiple threaded holes. The fixing plate (107) is provided with multiple screw through holes, and the screw through holes penetrate both sides of the fixing plate (107). The fixing plate (107) is fixedly installed on the base cover (102) by multiple screws after multiple screw through holes and multiple threaded holes are connected one by one. At this time, the fixing plate (107) covers the opening of the magnet mounting cavity. The upper end of the base (100) is provided with a circuit board mounting cavity and an LED warning light control circuit board as described in any of claims 1-4 is installed in the circuit board mounting cavity. A switch through hole (108) is provided on one side of the base (100). The contact of the tactile switch (3) is located in the switch through hole (108). The upper end of the base (100) is provided with a lamp cover (101) and the lamp cover (101) covers an LED warning light control circuit board. The dry battery (104) in the battery box (103) powers the surface mount LED (12) and the chip (2).
6. The replaceable battery-powered LED warning light according to claim 5, characterized in that: An O-ring (109) is provided between the base (100) and the base cover (102).
7. The replaceable battery-powered LED warning light according to claim 5, characterized in that: The upper end of the base (100) is provided with three mounting posts (110) and the upper end face of the mounting posts (110) is provided with screw mounting holes. The PCB board (1) is fixedly installed on the upper end of the base (100) by three screws after the three mounting holes (13) on the PCB board (1) are connected to the corresponding screw mounting holes one by one.