Bottle cap with invisible anti-counterfeiting label and anti-counterfeiting method

Abstract

The present application relates to a kind of bottle cap with invisible anti-fake label and anti-fake method, belong to anti-fake technical field;Bottle cap, including bottle cap body and invisible anti-fake label, the trigger mechanism is integrated inside the bottle cap body, the trigger mechanism is activated only by physical fracture when first opening and automatically terminates work;The trigger mechanism includes power module, starting module, photosensitive module, trigger module and light emitting module;When bottle cap body is opened, the starting module synchronously activates photosensitive module, trigger module and light emitting module to enter working state;The photosensitive module is electrically connected with trigger module, when photosensitive module photosensitive, its internal circuit is conducted and sends electric signal to trigger module, trigger module generates trigger signal after receiving electric signal;The light emitting module responds to the trigger signal and emits light to make invisible anti-fake label visible, and light emitting module automatically terminates work after setting light emitting duration.

Description

Technical Field

[0001] This invention relates to a bottle cap with an invisible anti-counterfeiting label and an anti-counterfeiting method, belonging to the field of anti-counterfeiting technology. Background Technology

[0002] To prevent counterfeiting and secondary transfer, existing bottle caps mainly rely on anti-counterfeiting technologies such as laser engraving, QR codes, or fragile labels. However, these technologies have the following drawbacks: 1) The anti-counterfeiting labels are exposed and easily copied or tampered with; 2) The anti-counterfeiting mechanism fails after the bottle is opened, making it impossible to trace the first opening time; 3) They require special equipment or manual verification, which is not convenient to use.

[0003] For example, Chinese Patent Publication No. CN211811108U discloses a bottle cap with invisible information anti-counterfeiting technology, including a connecting part and an anti-counterfeiting part. The connecting part is the side wall of the bottle cap, used to connect with the bottle mouth. The anti-counterfeiting part is located on the top of the bottle cap, and a groove is set on the top surface of the bottle cap. The groove contains an anti-counterfeiting QR code layer. A transparent protective layer is set on top of the anti-counterfeiting QR code layer, so that the anti-counterfeiting QR code layer is embedded in the bottle cap to form an integrated structure. The QR code printed on the anti-counterfeiting QR code layer is in a hidden state and can only be seen under ultraviolet light. The bottle cap can be verified by shining an ultraviolet light on the top of the bottle cap to reveal the QR code portion. The bottle cap has high confidentiality, and the QR code information is not easy to obtain under normal circumstances. It must be read with the help of an external light source. It meets the anti-counterfeiting needs of both manufacturers and consumers in the product promotion process. It is practical, convenient, simple in process, low in cost, and has good anti-counterfeiting and anti-vandalism effects. However, its anti-counterfeiting mark requires active triggering by ultraviolet light and cannot guarantee the effectiveness of a single test. Therefore, there is an urgent need for an anti-counterfeiting bottle cap solution that combines concealment, irreversibility, and automatic triggering. Summary of the Invention

[0004] The purpose of this invention is to provide a bottle cap with an invisible anti-counterfeiting label and an anti-counterfeiting method to prevent counterfeiting and secondary transfer.

[0005] The present invention discloses a bottle cap with an invisible anti-counterfeiting label, comprising a bottle cap body and an invisible anti-counterfeiting label. The bottle cap body integrates a trigger mechanism, which is activated only upon initial opening via physical breakage and automatically terminates operation. The trigger mechanism includes a power module, a start-up module, a photosensitive module, a trigger module, and a light-emitting module. When the bottle cap body is opened, the start-up module simultaneously activates the photosensitive module, the trigger module, and the light-emitting module, putting them into operation. The photosensitive module is electrically connected to the trigger module. When the photosensitive module is exposed to light, its internal circuit is activated and sends an electrical signal to the trigger module. The trigger module receives the electrical signal and generates a trigger signal. The light-emitting module responds to the trigger signal by emitting light to make the invisible anti-counterfeiting label visible, and the light-emitting module automatically terminates operation after a set emitting time.

[0006] The physical fracture structure ensures that the triggering mechanism is activated only upon first opening, preventing the bottle cap from being reused or the anti-counterfeiting mechanism from being replicated, thus ensuring uniqueness and improving the reliability of anti-counterfeiting measures. An automatic termination function is set, with the light-emitting module automatically turning off after a set time to avoid energy waste and prevent the anti-counterfeiting label from being reverse-engineered due to prolonged exposure. Concealed activation means that the anti-counterfeiting mechanism is activated only upon opening, requiring no external intervention and simplifying the operation process.

[0007] Preferably, the starting module is an elastic conductive sheet disposed on the opening path of the bottle cap body. When the bottle cap body rotates or is lifted to open, the elastic conductive sheet deforms to connect the power circuit of the trigger mechanism.

[0008] The elastic conductive sheet serves as the activation module, directly connecting the circuit through mechanical deformation, reducing complex transmission structures and lowering costs. The activation action is synchronized with circuit connection, ensuring a sensitive response and guaranteeing immediate activation of the anti-counterfeiting mechanism, avoiding delays or false triggering.

[0009] Preferably, the bottle cap body adopts a destructive opening structure design, which causes irreversible breakage after the first opening, ensuring that the triggering mechanism can only be activated once.

[0010] Destructive opening mechanisms (such as tamper-evident rings) ensure that the bottle cap is physically destroyed upon first opening, eliminating the risk of reuse; the broken structure serves as proof of opening and can provide consumers or manufacturers with evidence to protect their rights.

[0011] Preferably, the bottle cap body adopts an anti-theft ring or a connecting bridge, and the starting module is located inside the anti-theft ring or connecting bridge.

[0012] The activation module is embedded inside the anti-theft ring or connecting bridge, utilizing the existing bottle cap structure space to reduce additional volume; the breakage of the anti-theft ring will inevitably trigger the activation module, ensuring a 100% trigger rate for the anti-counterfeiting mechanism.

[0013] Preferably, the photosensitive module is a photoresistor or a photodiode, which is disposed on the inner top of the bottle cap body with the photosensitive surface facing the bottle opening. When the bottle cap body is opened and exposed to external light, the internal circuit is activated.

[0014] The photosensitive module only receives ambient light after the bottle cap is opened, preventing accidental activation due to changes in ambient light during transportation or storage; the photosensitive surface faces the bottle opening to ensure that it is only triggered when the bottle cap is completely removed from the bottle opening, preventing false triggering caused by partial opening.

[0015] Preferably, the trigger module is a microcontroller unit with signal processing function, which has a pre-stored single trigger logic program and outputs a valid trigger signal only when it receives the electrical signal from the photosensitive module for the first time.

[0016] The microcontroller has a pre-stored single-trigger program, so the anti-counterfeiting mechanism will not be reactivated even if the circuit is briefly turned on and then restored.

[0017] Preferably, the light-emitting module is an ultraviolet LED bead or an infrared LED bead, and the emission wavelength matches the excitation wavelength of the fluorescent material of the invisible anti-counterfeiting label. The light-emitting module uniformly illuminates the surface of the invisible anti-counterfeiting label through a light guide component.

[0018] Specific wavelength LEDs are matched with fluorescent materials to ensure that the invisible anti-counterfeiting label is clearly visible under optimal excitation conditions; light guiding components (such as optical fibers or diffusion films) ensure that the light covers the label evenly, avoiding localized dark or overexposed areas.

[0019] Preferably, the triggering module includes a unique serial number generation module, and the serial number is stored in conjunction with the bottle opening time.

[0020] Each bottle has a unique serial number linked to its opening time, creating a "one bottle, one code" data chain that supports full lifecycle traceability. Consumers can use the serial number to check opening records, helping to verify authenticity and whether the bottle has been opened prematurely.

[0021] Preferably, a timing control module is connected in series in the power supply circuit of the light-emitting module. The timing control module has a preset light-emitting duration of 5 to 60 seconds and automatically disconnects the power supply circuit after the set time is reached.

[0022] The timing module controls the duration of illumination (e.g., 10 seconds) to balance the visibility of the anti-counterfeiting label with battery life; it also presets a reasonable display time to ensure that consumers have enough time to observe the anti-counterfeiting information while avoiding excessive power consumption.

[0023] The anti-counterfeiting method for a bottle cap with an invisible anti-counterfeiting label according to the present invention includes the following steps:

[0024] Step 1: When the bottle cap is opened, the activation module simultaneously activates the photosensitive module, trigger module, and light-emitting module to enter the working state.

[0025] Step 2: After the bottle cap is opened, the internal circuit of the photosensitive module is turned on when it is exposed to light and sends an electrical signal to the trigger module. The trigger module receives the electrical signal and generates a valid trigger signal.

[0026] Step 3: The light-emitting module responds to the trigger signal to emit light so that the invisible anti-counterfeiting label becomes visible, and the light-emitting module automatically stops working after the set light-emitting time.

[0027] By designing the anti-counterfeiting mechanism in steps (activation → triggering → display), a standardized operating procedure is encapsulated, lowering the barrier to entry. The closed-loop logic of each step (activation action → circuit conduction → signal processing → light emission display) ensures that the anti-counterfeiting function completes its core task before any link fails.

[0028] Compared with existing technologies, the beneficial effects of the bottle cap with an invisible anti-counterfeiting label and the anti-counterfeiting method of the present invention are as follows:

[0029] This invention proposes a bottle cap with an invisible anti-counterfeiting label and an anti-counterfeiting method. Through structural innovation (destructive opening, elastic conductive sheet), circuit optimization (single-trigger logic, timing control), and functional expansion (unique serial number, wavelength matching), a multi-layered security system from physical anti-counterfeiting to electronic verification is constructed, taking into account anti-counterfeiting strength, user experience, and cost control. Attached Figure Description

[0030] Figure 1 This is a structural block diagram of a bottle cap with an invisible anti-counterfeiting label according to the present invention;

[0031] Figure 2 This is a circuit diagram of the triggering mechanism of a bottle cap with an invisible anti-counterfeiting label according to the present invention.

[0032] Figure 3 This is a flowchart illustrating an anti-counterfeiting method for a bottle cap with an invisible anti-counterfeiting label, as described in this invention.

[0033] In the diagram: VCC, power supply; K1, switch; R1, first current-limiting resistor; RG, photoresistor; R2, current-limiting resistor; LM393, comparator; R3, third voltage divider resistor; R4, fourth resistor; R5, fifth resistor; R6, pull-up resistor; R7, timing resistor; R8, eighth current-limiting resistor; U1, microcontroller; U2, timing chip; MOSFET, MOSFET switch; D1, LED; GND, ground. Detailed Implementation

[0034] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0035] Example 1

[0036] like Figure 1As shown, this embodiment discloses a bottle cap with an invisible anti-counterfeiting label, including a bottle cap body and an invisible anti-counterfeiting label. The bottle cap body integrates a trigger mechanism, which is activated only upon first opening by physical breakage and automatically terminates its operation. The trigger mechanism includes a power module, a start-up module, a photosensitive module, a trigger module, and a light-emitting module. When the bottle cap body is opened, the start-up module simultaneously activates the photosensitive module, the trigger module, and the light-emitting module to enter the working state. The photosensitive module is electrically connected to the trigger module. When the photosensitive module is exposed to light, its internal circuit is activated and sends an electrical signal to the trigger module. After receiving the electrical signal, the trigger module generates a trigger signal. The light-emitting module responds to the trigger signal by emitting light to make the invisible anti-counterfeiting label visible, and the light-emitting module automatically terminates its operation after a set emitting time.

[0037] The activation module is an elastic conductive sheet located on the opening path of the bottle cap body. When the bottle cap body rotates or is lifted to open, the elastic conductive sheet deforms to connect the power circuit of the trigger mechanism.

[0038] The bottle cap body employs a destructive opening structure design (such as an anti-theft ring or connecting bridge). Irreversible breakage occurs upon the first opening, ensuring that the triggering mechanism can only be activated once. The activation module is embedded inside the anti-theft ring or connecting bridge, utilizing the existing bottle cap structure space and reducing additional volume. The breakage of the anti-theft ring will inevitably trigger the activation module, ensuring a 100% trigger rate for the anti-counterfeiting mechanism.

[0039] Start-up module: It consists of an elastic conductive sheet and an insulating spacer. Under normal conditions, it isolates the circuit. When the bottle is opened, the spring sheet is compressed and deformed, which makes the circuit conductive.

[0040] Photosensitive module: It adopts a photoresistor array, which is set on the inside of the top of the bottle cap body with the photosensitive surface facing the bottle opening. When the bottle cap body is opened and external light shines on it, the internal circuit is triggered to conduct.

[0041] Trigger module: Microcontroller unit (MCU), with built-in single trigger logic program and unique serial number generation algorithm, outputs encrypted trigger command only after receiving the photosensitive signal for the first time;

[0042] Light-emitting module: Flexible LED light strip (ultraviolet LED beads or infrared LED beads) is arranged in a ring along the edge of the anti-counterfeiting label. It emits light in response to the trigger command and makes the label visible. The power supply circuit is automatically disconnected after the set time is reached through the timer control unit. The emission wavelength matches the excitation wavelength of the fluorescent material of the invisible anti-counterfeiting label. The light-emitting module evenly illuminates the surface of the invisible anti-counterfeiting label through the light guide component.

[0043] When the bottle cap is unscrewed for the first time, the destructive opening structure breaks irreversibly, the elastic conductive sheet of the activation module separates from the insulating spacer, and the circuit is turned on; the photosensitive module detects the change in ambient light, the internal circuit is turned on and sends an electrical signal to the MCU; after the MCU verifies that the electrical signal is the first trigger, it generates an encrypted trigger signal to activate the LED light strip; the LED light strip continues to emit light for 10-30 seconds (the duration can be preset), making the micro-pattern of the invisible anti-counterfeiting label clearly visible; after the light emission cycle ends, the MCU automatically cuts off the power, and the trigger mechanism is permanently disabled.

[0044] like Figure 2 As shown, the triggering mechanism includes a power module, a startup module, a photosensitive module, a trigger module, and a light-emitting module. Specific selections are as follows:

[0045] Power module: A 3V button battery (CR2032) is used as the power supply VCC. The switch K1 function is realized through an elastic conductive sheet. When the bottle cap is rotated open, the elastic conductive sheet is squeezed and deformed to connect the circuit. Battery positive terminal → elastic conductive sheet (normally open switch K1), the other end of switch K1 → the first current limiting resistor R1 (10Ω) of the start module, and battery negative terminal → ground GND.

[0046] Start-up module: The elastic conductive sheet is connected in series with the first current-limiting resistor R1 (10Ω) and then connected to the photosensitive module; the first current-limiting resistor R1 is connected in series between the switch K1 and the photosensitive module to limit the start-up current.

[0047] The photosensitive module uses a photoresistor RG (model GL5528, light resistance ≤10kΩ, dark resistance ≥1MΩ) and a comparator LM393 to form a photosensitive detection circuit. When the light intensity is >50LUX, it outputs a high-level signal. The photoresistor RG and the third voltage divider resistor R3 are connected in series between the 3V button battery and ground (GND), with the voltage divider point connected to the non-inverting input of the comparator LM393. The fourth resistor R4 and the fifth resistor R5 (10kΩ) are connected in series to divide the voltage, with the voltage divider point (1.5V) connected to the inverting input of the comparator LM393. The output of the comparator LM393 is connected to the 3V button battery through a pull-up resistor R6 (10kΩ), and the output signal is sent to the microcontroller U1.

[0048] Trigger Module: The STM8S003F3 microcontroller U1 is used as the trigger module, and the built-in program implements the following logic:

[0049] After detecting a high-level signal from the photosensitive module, a 3.3V pulse signal is output through the I / O port;

[0050] The pulse signal width is configured to 200ms by the timing control unit to ensure the effectiveness of a single trigger.

[0051] Immediately after triggering, the I / O port state is latched to prevent repeated triggering.

[0052] The output of the photosensitive module leads to the input pin of the microcontroller U1, and the output pin of the microcontroller U1 leads to the trigger terminal of the timing control unit.

[0053] Light-emitting module: A flexible LED D1 light strip consisting of a UV LED D1 (model UV365, wavelength 365nm, light emission angle 120°) and a MOSFET (AO3400) switching transistor. The driving current of the LED D1 is controlled at 20mA through the current-limiting resistor R2 (47Ω).

[0054] LED D1 anode → current limiting resistor R2 → 3V button battery positive terminal, LED D1 cathode → MOSFET drain, MOSFET source → ground GND, MOSFET gate → timer chip U2 output through the eighth current limiting resistor R8 (100Ω).

[0055] Timing Control Unit: An NE555 timer chip U2 is connected in series in the LED D1 power supply circuit, configured in monostable trigger mode, with a preset illumination duration of 10 seconds before automatically cutting off the power. The trigger input of the timer chip U2 is coupled to the output pin of the microcontroller U1 via a 0.01μF coupling capacitor. The threshold and discharge parameters of the timer chip U2 are connected in parallel, connected to a timing resistor R7 (1MΩ) and a capacitor C1 (10μF). The output of the timer chip U2 is connected to the gate of the MOSFET switch in the LED module.

[0056] Example 2

[0057] Unlike Example 1:

[0058] The invisible anti-counterfeiting label in this embodiment is implemented using the following technical solution:

[0059] Substrate layer: 50μm thick PET film (Toray UT801), light transmittance >92%, surface roughness Ra≤0.2μm;

[0060] Fluorescent ink layer:

[0061] Fluorescent material: europium-doped silicate phosphor (excitation wavelength 365nm, emission wavelength 613nm);

[0062] Ink formulation: 35wt% fluorescent powder, 50wt% acrylic resin, 2wt% defoamer BYK-052, 1wt% leveling agent TEGOGlide410, 12wt% ethyl acetate;

[0063] Printing parameters: 300 mesh screen printing, ink layer thickness 8-10μm, curing conditions 120℃×30min;

[0064] Protective layer: 2μm thick silicon oxide (SiO2) film, deposited by PVD process, hardness ≥3H, and alcohol wiping resistance >500 times;

[0065] Adhesion performance: According to GB / T 13217.7-2009, the bonding strength between the ink layer and the PET substrate is >4 N / cm;

[0066] Weather resistance: After 1000 hours of environmental testing at 85℃ / 85%RH, the fluorescence intensity decay rate is <5%.

[0067] Example 3

[0068] This embodiment uses an INSTRON 5967 universal testing machine for testing. Test conditions: 25℃±2℃, relative humidity 50%±5%.

[0069] Rotation opening force test:

[0070] Test method: Apply torque at a speed of 50 mm / min along the opening direction;

[0071] Test results: Initial opening torque 0.8±0.1 N·m, anti-theft ring breakage torque 1.2±0.1 N·m;

[0072] Repeated test: The opened bottle cap was repeatedly opened 10 times. The contact resistance of the conductive sheet increased from the initial 0.1Ω to >10MΩ, verifying the anti-repeated triggering characteristic.

[0073] Destructive structural testing:

[0074] Fracture stress of the anti-theft ring: Recorded by a high-speed camera, the fracture surface exhibits typical brittle fracture characteristics;

[0075] Fracture surface SEM analysis: The surface roughness Ra of the fracture surface is ≥3μm, which meets the requirements for irreversible opening in GB / T 18455-2010;

[0076] Environmental adaptability testing:

[0077] High temperature test: After 60℃×72h, the elastic deformation attenuation rate of the conductive sheet is <2%;

[0078] Low temperature test: After 72 hours at -20℃, the LED luminous efficiency decay rate is <3%;

[0079] UV aging: Tested using QUV accelerated testing (UVA-340, 0.76W / m²). 2 After 1000 hours at 340nm and 60℃, the yellowing index Δb* of the fluorescent ink layer was <1.5.

[0080] Example 4

[0081] like Figure 3 As shown, this embodiment discloses an anti-counterfeiting method for a bottle cap with an invisible anti-counterfeiting label according to Embodiment 1, including the following steps:

[0082] Step 1: When the bottle cap is opened, the activation module simultaneously activates the photosensitive module, trigger module, and light-emitting module to enter the working state.

[0083] Step 2: After the bottle cap is opened, the internal circuit of the photosensitive module is turned on when it is exposed to light and sends an electrical signal to the trigger module. The trigger module receives the electrical signal and generates a valid trigger signal.

[0084] Step 3: The light-emitting module responds to the trigger signal to emit light so that the invisible anti-counterfeiting label becomes visible, and the light-emitting module automatically stops working after the set light-emitting time.

[0085] When normally turned on:

[0086] When the bottle cap is rotated to a 30° angle, the elastic conductive sheet connects the circuit.

[0087] The photosensitive module detects ambient light (>50 LUX) and triggers the microcontroller to output a pulse signal;

[0088] The LED automatically turns off after 10 seconds of illumination, and the fluorescent pattern is clearly visible (chromaticity coordinates x = 0.313, y = 0.328).

[0089] When opened illegally:

[0090] When the bottle cap was pried open with a tool, the breaking torque of the anti-theft ring did not reach the threshold (<1.0 N·m), and the conductive sheet was not connected.

[0091] When attempting to short-circuit the circuit, the self-locking module immediately activates its protection, and the LED cannot be activated.

[0092] During repeated on / off tests, the contact resistance of the conductive sheet exceeded 10MΩ, and the circuit remained open.

[0093] The feasibility of the technical solution has been verified from multiple dimensions, including circuit design, material processing, mechanical properties, and environmental adaptability, through the above specific embodiments.

[0094] The above description is only a preferred embodiment of this practice, but the scope of protection of this embodiment is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the scope of the technology disclosed in this embodiment, based on the technical solution and inventive concept of this embodiment, should be covered within the scope of protection of this embodiment.

Claims

1. A bottle cap with an invisible anti-counterfeiting label, comprising a bottle cap body and an invisible anti-counterfeiting label, characterized in that: The bottle cap body integrates a trigger mechanism, which is activated only upon initial opening via physical breakage and automatically terminates. The trigger mechanism includes a power module, a startup module, a photosensitive module, a trigger module, and a light-emitting module. When the bottle cap body is opened, the startup module simultaneously activates the photosensitive module, the trigger module, and the light-emitting module, putting them into operation. The photosensitive module is electrically connected to the trigger module; when the photosensitive module is exposed to light, its internal circuit is activated and sends an electrical signal to the trigger module. The trigger module receives the electrical signal and generates a trigger signal. The light-emitting module responds to the trigger signal by emitting light to make the invisible anti-counterfeiting label visible, and the light-emitting module automatically terminates its operation after a set emitting time. The bottle cap body adopts a destructive opening structure design, which causes irreversible breakage after the first opening, ensuring that the triggering mechanism can only be activated once; the power circuit of the triggering mechanism is connected when it is first opened. The photosensitive module is located on the inner top of the bottle cap body with the photosensitive surface facing the bottle opening. When the bottle cap body is opened and external light shines on it, the internal circuit is triggered to conduct.

2. A bottle cap with an invisible anti-counterfeiting label according to claim 1, characterized in that, The starting module is an elastic conductive sheet disposed on the opening path of the bottle cap body. When the bottle cap body rotates or is lifted to open, the elastic conductive sheet deforms to connect the power circuit of the trigger mechanism.

3. A bottle cap with an invisible anti-counterfeiting label according to claim 2, characterized in that, The bottle cap body adopts an anti-theft ring or a connecting bridge, and the start-up module is located inside the anti-theft ring or connecting bridge.

4. A bottle cap with an invisible anti-counterfeiting label according to claim 1, characterized in that, The photosensitive module is a photoresistor or a photodiode.

5. A bottle cap with an invisible anti-counterfeiting label according to claim 1, characterized in that, The trigger module is a microcontroller unit with signal processing capabilities. It has a pre-stored single-trigger logic program and outputs a valid trigger signal only when it receives an electrical signal from the photosensitive module for the first time.

6. A bottle cap with an invisible anti-counterfeiting label according to claim 1, characterized in that, The light-emitting module is an ultraviolet LED bead or an infrared LED bead, and the emission wavelength matches the excitation wavelength of the fluorescent material of the invisible anti-counterfeiting label. The light-emitting module evenly illuminates the surface of the invisible anti-counterfeiting label through a light guide component.

7. A bottle cap with an invisible anti-counterfeiting label according to claim 1, characterized in that, The triggering module includes a unique serial number generation module, and the serial number is stored in conjunction with the bottle opening time.

8. A bottle cap with an invisible anti-counterfeiting label according to claim 1, characterized in that, A timing control module is connected in series in the power supply circuit of the light-emitting module. The timing control module is preset to emit light for 5 to 60 seconds and automatically disconnects the power supply circuit after the set time is reached.

9. A method for preventing counterfeiting of a bottle cap with an invisible anti-counterfeiting label according to any one of claims 1-8, characterized in that, Includes the following steps: Step 1: When the bottle cap is opened, the activation module simultaneously activates the photosensitive module, trigger module, and light-emitting module to enter the working state. Step 2: After the bottle cap is opened, the internal circuit of the photosensitive module is turned on when it is exposed to light and sends an electrical signal to the trigger module. The trigger module receives the electrical signal and generates a valid trigger signal. Step 3: The light-emitting module responds to the trigger signal to emit light so that the invisible anti-counterfeiting label becomes visible, and the light-emitting module automatically stops working after the set light-emitting time.

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