Payment device

Abstract

The utility model relates to payment equipment which comprises a payment body, a display module, a face recognition module and a control module. The display module and the face recognition module are located on a display part of the payment body, and the face recognition module comprises a camera acquisition module and a guide indicator lamp which are located on the same side of the display module. The control module is in communication connection with the display module and the face recognition module and is used for coordinating the payment process and triggering an external equipment unlocking instruction. According to the payment equipment, through the cooperation of the guiding indicating lamp and the camera shooting acquisition module, the user can be guided to adjust the position and the posture in real time during face recognition, it is ensured that the camera shooting acquisition module accurately captures the face information, and the efficiency and the accuracy of identity verification are improved. Meanwhile, the interaction experience of the user is optimized through the cooperation of the two, so that the payment process is more convenient and smoother, the practicability and reliability of the whole payment equipment are improved, and a more efficient and safer payment mode is brought to the user.

Description

Technical Field

[0001] This application relates to the field of electronic payment technologies, and particularly to a payment device. Background Art

[0002] Traditional self-service vending cabinet payment devices mostly adopt a single recognition method, such as barcode scanning or face recognition, which have problems such as low security and being vulnerable to photo and video attacks. At the same time, these devices have a low recognition rate in complex environments such as low light, and poor environmental adaptability. Although some devices attempt to combine multiple payment technologies, they lack a multi-modal data collaboration mechanism and cannot balance high-efficiency verification and anti-fraud capabilities. When users perform face recognition, they need to adjust their positions and postures by themselves, and the device lacks an effective guidance mechanism, resulting in a poor experience and an easy reduction in payment efficiency due to recognition failures. With the popularization of the unmanned retail scenario, there is an urgent need for a more secure and adaptable payment solution to improve reliability and user experience. Summary of the Utility Model

[0003] To solve the above problems, this application provides a payment device, including:

[0004] A payment body having a display part and an assembly part oppositely arranged in the thickness direction, the display part being provided with an information display area, and the assembly part being used for connecting with external devices;

[0005] A display module located in the information display area of the display part for displaying information;

[0006] A face recognition module located in the display part of the payment body, the face recognition module including a camera acquisition module and a guiding indicator lamp on the same side of the display module, and the two being communicatively connected for verifying the user's identity;

[0007] A control module built into the payment body, communicatively connected to the display module and the face recognition module respectively, for coordinating the payment process and triggering an unlocking instruction for external devices.

[0008] In one embodiment, the payment device further includes a near-field communication module, the display part is further provided with an interaction feedback area, and the near-field communication module is located in the interaction feedback area for establishing a communication connection with the user device.

[0009] In one embodiment, the payment body includes a first operation body and a second operation body, the information display area is located on the first operation body, and the interaction feedback area is located on the second operation body.

[0010] In one embodiment, the first operation body includes a display housing, an installation housing, and a receiving cavity formed by the two, and the receiving cavity is used for receiving the display module, the face recognition module, and the control module;

[0011] On one side of the display housing close to the second operating body, a first relief portion is provided. On one side of the mounting housing close to the second operating body, a second relief portion is provided. The first relief portion and the second relief portion cooperate to form a connecting groove. The second operating body is embedded in the first operating body through the connecting groove to form an integral structure.

[0012] In one embodiment, a chamfer is provided at one end of the mounting housing away from the connecting groove.

[0013] In one embodiment, the payment device further includes a sound receiving module and a sound emitting module, and both the sound receiving module and the sound emitting module are located on the first operating body.

[0014] In one embodiment, the sound receiving module includes a first sound receiving portion and a second sound receiving portion. The first sound receiving portion is located on the mounting housing, and the second sound receiving portion is located on the display housing; and / or

[0015] The sound emitting module is located on the mounting housing.

[0016] In one embodiment, the payment body further includes a cover plate. A connecting portion is provided on the cover plate, and a cooperating portion that cooperates with the connecting portion is provided on the mounting housing;

[0017] The connecting portion and the cooperating portion cooperate to enable the cover plate to cover at least part of the mounting housing and at least part of the second operating body.

[0018] In one embodiment, the number of cover plates is multiple, one of which is a first cover plate and the other is a second cover plate;

[0019] The connecting portion located on the first cover plate is taken as the first connecting portion, and the connecting portion located on the second cover plate is taken as the second connecting portion;

[0020] A cooperating portion that cooperates with the first connecting portion is provided on the mounting housing, and it is taken as the first cooperating portion. A cooperating portion that cooperates with the second connecting portion is provided on the mounting housing, and it is taken as the second cooperating portion;

[0021] The first connecting portion and the first cooperating portion cooperate to enable the first cover plate to cover part of the mounting housing and the second operating body. The second connecting portion and the second cooperating portion cooperate to enable the second cover plate to cover another part of the mounting housing and the second operating body.

[0022] In one embodiment, the first cover plate includes a first covering portion and a second covering portion, and the second cover plate includes a third covering portion and a fourth covering portion; wherein,

[0023] The first covering part and the third covering part are fitted together to cover the side of the mounting housing away from the display housing;

[0024] The second covering part and the fourth covering part are fitted together to cover the side of the second operating body away from the interaction feedback area.

[0025] In one embodiment, the face recognition module includes:

[0026] In the first recognition stage, the guiding indicator light is in the first guiding state, which is used to guide or indicate the user to enter the recognition range of the camera acquisition module, and the camera acquisition module is used to judge whether the user enters the effective acquisition range;

[0027] In the second recognition stage, the camera acquisition module feeds back the acquired data to the guiding indicator light, and the guiding indicator light is in the second guiding state, which is used to guide or indicate the user to adjust the position and posture;

[0028] In the third recognition stage, the guiding indicator light is in the third guiding state, which is used to guide or indicate the user to perform identity verification, and the camera acquisition module is used to judge whether the user is a qualified user;

[0029] In the fourth guiding state, the guiding indicator light is in the fourth guiding state, which is used to guide or indicate the user to perform the next operation or re-identity verification, and the camera acquisition module enters the first recognition stage.

[0030] In one embodiment, the near field communication module further includes an induction coil and a feedback lamp ring. The feedback lamp ring is arranged around the induction coil and is connected to the induction coil. The feedback lamp ring is used to feedback the state of the external device through colors.

[0031] In one embodiment, the feedback lamp ring includes lamp beads, a driving circuit and a sensor; wherein,

[0032] The lamp beads are used to provide visual feedback, the driving circuit is used to drive the lamp beads to control their brightness and colors, and the sensor is used to detect the ambient light intensity and adjust the brightness of the lamp beads.

[0033] In one embodiment, the feedback states of the feedback lamp ring include:

[0034] In the first feedback stage, it prompts the user that the device is ready for payment;

[0035] In the second feedback stage, it indicates that the device is detecting the approach of the user device;

[0036] The third feedback stage indicates that the payment process is in progress;

[0037] The fourth feedback stage prompts the user that the payment has been completed;

[0038] The fifth feedback stage reminds the user that an abnormality has occurred in the payment.

[0039] The technical solution provided by the embodiments of the present application may include the following beneficial effects:

[0040] As can be seen from the above embodiments, the payment device of the present application includes a payment body, a display module, a face recognition module, and a control module. The display module and the face recognition module are located in the display part of the payment body. The face recognition module includes a camera acquisition group and a guiding indicator lamp located on the same side of the display module. The control module is communicatively connected to the display module and the face recognition module, and is used to coordinate the payment process and trigger an unlocking instruction for an external device. Through the cooperation of the guiding indicator lamp and the camera acquisition module of the payment device of the present application, when face recognition is performed, it can guide the user to adjust the position and posture in real time, ensure that the camera acquisition module accurately captures the facial information, and improve the efficiency and accuracy of identity verification. At the same time, this setting optimizes the user interaction experience, makes the payment process more convenient and smooth, and further improves the practicability and reliability of the entire payment device, bringing a more efficient and secure payment method to the user.

[0041] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0043] Figure 1 It is a schematic structural diagram of a payment device provided in an embodiment of the present application from a perspective.

[0044] Figure 2 It is an exploded structural diagram of a payment device provided in an embodiment of the present application from a perspective.

[0045] Figure 3 It is another exploded structural diagram of a payment device provided in an embodiment of the present application from a perspective.

[0046] Figure 4 It is a schematic structural diagram of a camera acquisition module provided in an embodiment of the present application from a perspective.

[0047] Reference Signs:

[0048] 1. Payment body; 10. First operation body; 11. Second operation body; 12. First cover plate; 13. Second cover plate; 120. First connection part; 121. First covering part; 122. Second covering part; 130. Second connection part; 131. Third covering part; 132. Fourth covering part; 101. Display housing; 102. Installation housing; 103. First mating part; 104. Second mating part; 1011. First relief part; 1021. Second relief part; 1022. Chamfer; 10a. Information display area; 11a. Interaction feedback area; 100. Display unit; 200. Assembly unit.

[0049] 2. Display module; 3. Face recognition module; 31. Camera acquisition module; 310. Infrared camera; 311. RGB camera; 312. 3D structured light camera module; 32. Guiding indicator light; 4. Near field communication module; 41. Feedback light ring; 5. Sound collection module; 51. First sound collection part; 52. Second sound collection part;

[0050] 6. Sound generating module. Detailed implementation mode

[0051] Here, the exemplary embodiments will be described in detail, and the examples are shown in the drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The ways described in the following exemplary embodiments do not represent all the ways consistent with the present application. On the contrary, they are only examples of the devices consistent with some aspects of the present application as detailed in the appended claims.

[0052] As in the background art, traditional payment devices have many problems in terms of security, environmental adaptability, and user experience. For example, the identity verification methods are single, such as code scanning or face recognition, etc., and are easily breached by attack means such as photos and videos, resulting in insufficient security performance. In complex environments such as low light, the face recognition accuracy is low, and the environmental adaptability is poor, etc. Although some devices integrate multiple payment technologies, they lack a coordination mechanism and it is difficult to achieve a balance between efficient verification and anti-fraud capabilities.

[0053] In addition, when users of traditional payment devices perform face recognition, they often need to adjust their positions and postures by themselves. The device lacks an effective guiding mechanism, resulting in poor user experience and easy reduction of payment efficiency due to multiple recognition failures. This cumbersome operation process also brings inconvenience to users.

[0054] Based on this, the present application provides a payment device. Refer to Figure 1 . Figure 2 And Figure 3, which includes a payment body 1, a display module 2, a face recognition module 3, and a control module (not shown in the figure). The payment body 1 has a display part 100 and an assembly part 200 arranged oppositely in the thickness direction. The display part 100 is provided with an information display area 10a, and the assembly part 200 is used to connect with external devices. The display module 2 is located in the information display area 10a of the display part 100 and is used for information display.

[0055] Specifically, the display module 2 can be set as an updatable electronic screen, and there is no limit to the size of the electronic screen, which is specifically configured according to requirements. For example, an 8-inch LCD display screen can be selected, etc.

[0056] The display module 2 is used to display a variety of information: during the payment process, it displays operation interface information such as payment QR codes, barcodes, payment buttons, payment progress, and results, facilitating users to complete payments; it displays detailed information such as the prices, specifications, and inventories of goods to assist users in making decisions; at the same time, it can display advertisements from cooperative merchants, such as promotional activities and new product recommendations; in addition, it also displays user operation guidance information such as operation step prompts and input boxes, as well as device maintenance information, announcements, etc., to enhance the user experience and the practicality of the device.

[0057] Specifically, the control module is built into the payment body 1 and is communicatively connected to the display module 2 and the face recognition module 3. When a user performs a payment operation, first, the face recognition module 3 verifies the user's identity. After successful verification, the control module coordinates the display module 2 to display the payment interface according to the payment request, including information such as the payment amount, payment method selection, and payment QR code. At the same time, the control module can also display advertisements, product information, and operation guidance to users through the display module 2 to enhance the user's shopping experience.

[0058] The control module mainly includes a microcontroller (MCU) or a processor responsible for executing control programs and processing data; a memory for storing control programs, user data, and payment information; a communication interface for data transmission with the display module 2, the face recognition module 3, and other external devices; a sensor interface for connecting and managing various sensors, such as the camera acquisition module 31 in the face recognition module 3; and a power management unit for power supply management and power distribution of the control module, etc. These are all conventional settings and will not be elaborated here.

[0059] Specifically, the external device is not limited to a vending machine (self-service cabinet), and can also be connected to access control systems, intelligent parking lots, self-service terminals, intelligent warehouses, bus and subway turnstiles, scenic area turnstiles, hotel self-check-in machines, automatic number machines, intelligent express cabinets, intelligent charging stations, intelligent transportation systems, etc., to realize payment functions and device control in different scenarios.

[0060] For example, on a vending machine, it is used to complete the payment for goods and control the opening of the cabinet door; in an access control system, it is used for identity verification and access unlocking; in a smart parking lot, it is used for parking fee payment and barrier control; at the bus and subway turnstiles, it is used for fare payment and turnstile access control; at the hotel self-check-in machine, it is used for quick check-in and identity verification payment; at the automatic queuing machine, it is used for service queuing and fee payment; at the smart locker, it is used for package collection and cabinet door unlocking; at the smart charging station, it is used for charging fee payment and charging pile startup, etc., to meet the payment and device control requirements in various scenarios. It should be noted that the content of this application is described by taking the payment device applied to a self-service cabinet as an example.

[0061] The face recognition module 3 is located in the display part 100 of the payment body 1. The face recognition module 3 includes a camera acquisition module 31 and a guiding indicator light 32 located on the same side of the display module 2, and the two are communicatively connected for user identity verification.

[0062] In this application, a guiding indicator light 32 is configured in the face recognition module 3 and communicatively connected to the camera acquisition module 31. When a user conducts identity verification, the guiding indicator light 32 can guide the user to adjust the position and posture in real time, ensuring that the camera acquisition module 31 accurately captures the facial information. This not only improves the efficiency and accuracy of identity verification, but also optimizes the user interaction experience to a certain extent, making the payment process more convenient and smooth, enhancing the practicality and reliability of the entire payment device, and bringing a more efficient and secure payment method to users.

[0063] Specifically, the shape of the guiding indicator light 32 in this application is not limited, and it can be strip-shaped, circular, annular, star-shaped, etc. It can be determined specifically according to the design requirements and spatial layout requirements of the payment device.

[0064] Specifically, this application does not limit the color of the guiding indicator light 32 during the guiding process. The guiding indicator light 32 can display a single color, two colors, multiple colors, or RGB full color, etc. Exemplarily, a single color can be configured as green representing safety and passage, red representing prohibition and error, blue representing trust and technology, etc. A single color can be used for simple status prompts, and users can quickly know whether the current operation is correct according to the color. Exemplarily, two colors can be a combination of two common colors, such as green / red. When in the normal state, it shows green indicating readiness, and when an abnormality or incorrect operation is detected, it switches to red to remind the user, which can express different operation states more richly. Exemplarily, multiple colors can be the switching and combination of multiple colors. In addition to the basic color prompt function, it can also provide users with personalized face recognition guidance through color changes, such as displaying different colors in sequence during the recognition process to guide users to complete specific actions and enhance the user experience. Exemplarily, RGB full color has a wider color expression ability, can flexibly set various colors and flashing modes according to actual needs and scenarios to achieve dynamic lighting effects, and can also be combined with other functions or brand elements of the device to enhance the visual attraction and brand identity of the device.

[0065] Specifically, this application does not limit the lighting mode of the guiding indicator light 32 during the guiding process. The guiding indicator light 32 can guide in one or a combination of the constant-on, flashing, gradient, and breathing light modes.

[0066] Exemplarily, the constant-on mode is to keep stable light emission, which is used to indicate the position and range of the face collection area, so that users can clearly know where to perform face recognition operations, and is suitable for use in scenarios with relatively dim ambient light or where continuous prompts are required.

[0067] Exemplarily, the flashing mode flashes at a certain frequency, which can attract the user's attention, prompt the user to perform face recognition operations or remind the user that they are currently in the face recognition mode. The flashing frequency and mode can be flexibly adjusted. For example, a fast flash indicates an emergency prompt, and a slow flash indicates a regular prompt.

[0068] Exemplarily, the gradient is that the light color or brightness gradually changes, which can create a soft and comfortable visual effect, reduce the visual stimulation to the user, and at the same time can also provide users with a customized face recognition guidance experience. For example, a gradient from bright to dark indicates the end of the face recognition process, and a gradient from dark to bright indicates the start of the face recognition process.

[0069] Exemplarily, the breathing light mode imitates the rhythm of breathing, and the light brightness gradually brightens and darkens, repeating in a cycle. It not only has a good visual effect, but also can convey a sense of calm and stability, making users more relaxed when performing face recognition and enhancing the user experience.

[0070] Specifically, the present application does not limit the light intensity of the guide indicator light 32. The guide indicator light 32 can be displayed in a strong light, weak light or dynamically adjusted manner.

[0071] For example, in a bright environment, such as outdoor sunlight or an indoor place with strong light, the strong light mode can ensure the visibility of the guide indicator light 32, so that the user can clearly see the indicator light and perform face recognition operations.

[0072] For example, in darker environments, such as at night or in low-light scenes indoors, low-light mode can avoid excessive glare and reduce visual interference to users, while also saving energy and extending the life of the device.

[0073] For example, the dynamic adjustment has a light sensing function, which can automatically adjust the light intensity according to the strength of the ambient light, always keeping the guide indicator light 32 at a better visibility and comfort, and improving the environmental adaptability of the device and user experience.

[0074] Specifically, the present application does not limit the position of the guide indicator light 32 .

[0075] For example, the guide indicator light 32 can be set directly above the camera acquisition module 31. The guide indicator light 32 is located directly above the camera acquisition module 31, and the light can directly illuminate the user's face, providing the user with a more intuitive and clear face recognition guidance, while not blocking the field of view of the camera acquisition module 31, ensuring the accuracy of face recognition.

[0076] Exemplarily, the guide indicator light 32 can be set directly below the camera acquisition module 31. Similar to the one directly above, the guide indicator light 32 located directly below can illuminate the user's face upwards, forming a good fill light effect, which is particularly suitable for face recognition in a low-light environment and improves the recognition success rate.

[0077] For example, the guide indicator lights 32 can be set on both sides of the camera acquisition module 31. Distributing the guide indicator lights 32 on the left and right sides of the camera acquisition module 31 can form side lighting for the user's face, which helps to reduce facial shadows and improve the accuracy of face recognition. It can also increase the visual width of the device, making it more technological and modern. For example, referring to Figure 1 The guide indicator light 32 is configured as a bar and is arranged along the edge of the payment device or the side of the camera acquisition module 31. This setting does not take up too much space and can also provide effective guidance.

[0078] Exemplarily, the guiding indicator light 32 can surround the camera acquisition module 31. The guiding indicator light 32 is arranged around the camera acquisition module 31, which can form a 360° uniform illumination, providing a full-range face recognition guiding area for users, ensuring that users can clearly see the indicator light and perform face recognition operations at different angles and positions. This layout can make the appearance of the device more compact and integrated.

[0079] In summary, in practical applications, according to the specific payment device design, usage scenario, and user requirements, appropriate features such as the shape, color, mode, intensity, and position of the guiding indicator light 32 can be selected to achieve better face recognition guiding effects and user experiences.

[0080] In some embodiments, the interaction methods between the guiding indicator light 32 and users include but are not limited to the following:

[0081] The interaction method is configured as a cascading indication method. Specifically, multiple guiding indicator lights 32 can be sequentially lit or extinguished in order, forming a dynamic visual guiding effect to guide users to operate according to the specified path or direction. For example, the indicator lights that flash from left to right in sequence can guide users to move to the right to adjust their positions.

[0082] The interaction method adopts the method of changing the light flashing frequency. Specifically, by changing the flashing frequency of the guiding indicator light 32, different information or operation prompts are conveyed to users. For example, low-frequency flashing indicates the normal standby state, and high-frequency flashing indicates the success or failure of face recognition, etc.

[0083] The interaction method adopts the method of changing the light color. The guiding indicator light 32 switches colors according to different operation stages or states, providing convenient visual feedback for users. For example, green indicates successful face recognition, red indicates failure, and yellow indicates that recognition is in progress, etc.

[0084] The interaction method adopts the method of changing the light intensity. By adjusting the brightness of the guiding indicator light 32, users are prompted to perform corresponding operations or indicate the working state of the device. For example, when the user approaches, the light gradually brightens, indicating that the device has detected the user and is ready for face recognition.

[0085] The interaction method adopts the method of linking the light mode with user operations. The light mode of the guiding indicator light 32 can be adjusted in real time according to the user's operation actions. For example, when the user adjusts their position, the flashing mode of the indicator light changes accordingly to prompt the user whether they are in a better recognition position.

[0086] The interaction method combines lighting and voice prompts. While guiding with lighting, voice prompts are used to provide users with comprehensive operation guidance, improving the accuracy and efficiency of user operations. For example, when the lighting flashes, it indicates that face recognition is in progress, and at the same time, a voice prompt such as "Please face the camera directly" is given to the user.

[0087] In some embodiments, the present application does not limit the lighting guidance mode of the guiding indicator light 32.

[0088] Exemplarily, the guiding mode adopts a rotation mode. That is, the guiding indicator light 32 rotates and emits light centered on the camera acquisition module 31, which can attract the user's attention and guide their face towards the camera acquisition module 31. It is applicable to scenarios where the user needs to adjust the face orientation. For example, when multiple people use the same device, the rotating light can quickly guide the user to find the correct position.

[0089] Exemplarily, the guiding mode adopts a sweeping mode. That is, the light of the guiding indicator light 32 sweeps horizontally or vertically at a certain angle and speed, which can help the user quickly determine the approximate range of the face acquisition area and guide the user to adjust the position so that the face is in a better recognition position. It is especially applicable to devices for face recognition in a large space.

[0090] Exemplarily, the guiding mode adopts a focusing mode. That is, the light of the guiding indicator light 32 gradually focuses on a specific area, prompting the user to align the face with this area for accurate face recognition, which can improve the accuracy and efficiency of recognition. It is applicable to devices with high requirements for face recognition accuracy, such as payment devices in the financial field.

[0091] In some embodiments, the lighting recognition feedback of the guiding indicator light 32 may include correct recognition feedback, recognition error prompt, and eye gaze feedback, etc.

[0092] Specifically, when face recognition is successful, the guiding indicator light 32 can display a green constant light, flash quickly, or play a specific lighting animation, such as a green light rotating one week, clearly conveying the signal of successful recognition to the user and enabling the user to know that the payment process can continue.

[0093] Specifically, if face recognition fails, the guiding indicator light 32 displays a red constant light, flashes, or changes in a specific mode, such as a red light slowly flashing three times, and at the same time, a voice prompt such as "Face recognition failed, please readjust the position" can be provided to guide the user to operate again.

[0094] Specifically, during face recognition, when the user's both eyes gaze at the camera acquisition module 31, the guiding indicator light 32 can change color or flashing mode, such as changing from white to blue and flashing quickly, to encourage the user to maintain the gaze state and improve the accuracy and success rate of recognition.

[0095] In some embodiments, by the cooperation of the guiding indicator light 32 and the camera acquisition module 31, the face recognition module 3 is in different recognition stages. The following is an exemplary description of the four recognition stages of the face recognition module 3 in combination with the unmanned vending machine and the relevant settings of the above guiding indicator light 32:

[0096] I. The first recognition stage: Guide the user into the recognition range.

[0097] In this recognition stage, the guiding indicator light 32 is in the first guiding state. Exemplarily, the light of the guiding indicator light 32 can work in the way of constantly lighting green with slight flickers, and the light intensity is moderate to ensure clear visibility within a certain range around the unmanned vending machine.

[0098] In this recognition stage, the camera acquisition module 31 starts to work, continuously captures the image information in front of the unmanned vending machine at a set frame rate, and at the same time conducts a preliminary detection of the face in the image to judge whether there is a user entering the effective acquisition range.

[0099] Specifically, when the user approaches the unmanned vending machine, the guiding indicator light 32 located on the display part 100 of the payment body 1 of the vending machine constantly lights green with slight flickers, prompting the user that they have entered the face recognition area. The camera acquisition module 31 is started synchronously, aims at the area where the user is located for image acquisition, and analyzes in real time whether there is a face in the image. If a face is detected, it indicates that the user has entered the effective acquisition range, and the device is ready to enter the next operation; on the contrary, if no face is detected, the camera acquisition module 31 will continue to monitor and wait for the user to enter the recognition range.

[0100] II. The second recognition stage: Guide the user to adjust the position and posture.

[0101] In this recognition stage, the guiding indicator light 32 is in the second guiding state. Exemplarily, the light color of the guiding indicator light 32 can be switched to yellow, the flickering frequency is increased, and the light intensity can be appropriately increased to remind the user in a more conspicuous way that they need to adjust the position or posture.

[0102] In this recognition stage, the camera acquisition module 31 continues to capture the face image of the user, and conducts a detailed analysis of the features such as the position, angle, and size of the face, compares with the preset better recognition parameters of the device, and judges whether the current position and posture of the user meet the requirements of face recognition.

[0103] Specifically, in front of the unmanned vending machine, when the user sees that the guiding indicator light 32 turns yellow and the blinking frequency increases, they realize that they need to adjust their position or posture for face recognition. The camera acquisition module 31 captures the user's face in real time and analyzes the position of the face in the image. If the face is tilted to the left or right, the guiding indicator light 32 will prompt the user to move in the opposite direction with different blinking patterns (such as fast blinking on the left side and slow blinking on the right side); if the face is tilted too much, the light may blink up and down to remind the user to adjust the head posture so that the face is directly facing the camera acquisition module 31. Through this dynamic light guidance, it helps the user quickly find a better recognition position and posture.

[0104] III. The third recognition stage: Guide the user to conduct identity verification.

[0105] In this recognition stage, the guiding indicator light 32 is in the third guiding state. Exemplarily, the light of the guiding indicator light 32 can turn blue and remain on constantly, and the light intensity can be slightly reduced compared to before, giving the user a feeling of stability and reliability, indicating that the device is ready for identity verification.

[0106] In this recognition stage, after the user adjusts to the appropriate position and posture, the camera acquisition module 31 starts to capture clear face images and preprocesses the images, such as grayscale conversion, normalization, etc., to improve the accuracy and efficiency of the face recognition algorithm. Then, the processed face images are compared with the pre-stored user face database to determine whether the user is a qualified user, that is, whether they have the permission to use this unmanned vending machine for payment.

[0107] Specifically, after the user adjusts their position and posture under the prompt of the guiding indicator light 32 and sees that the light turns blue and remains on constantly, they know that they need to conduct identity verification at this time. The camera acquisition module 31 captures clear face images and performs a series of image processing operations on them to ensure that the image quality meets the requirements of face recognition. The device compares the processed face images with the user face information stored in the background database to determine whether the user's identity is legal. If the match is successful, it means the user is a qualified user, and the device will proceed to the next step; if the match fails, the guiding indicator light 32 will switch to the corresponding prompt state to inform the user that the verification has failed.

[0108] IV. The fourth recognition stage: Guide the user to proceed to the next step or re - authenticate.

[0109] In this stage, the guiding indicator light 32 is in the fourth guiding state. If the identity verification is successful, the light display of the guiding indicator light 32 can be green and blink rapidly, indicating that the user can proceed to the next step, such as selecting products, completing payment, etc.; if the identity verification fails, the light display of the guiding indicator light 32 is red and blinks rapidly, prompting the user to re - authenticate.

[0110] In this stage, regardless of whether the identity verification is successful or not, the camera acquisition module 31 will temporarily stop working and enter the standby state, waiting for the user's next operation. If re-identity verification is required, the camera acquisition module 31 will restart and start a new round of face recognition process.

[0111] Specifically, after the identity verification of the vending machine is completed, if the user verification is successful, the guiding indicator light 32 will flash rapidly in green, prompting the user to perform the next operation, such as selecting the goods to be purchased and clicking the payment button to complete the payment process, etc. At this time, the display module 2 of the vending machine will also correspondingly display an operable interface to guide the user to continue to complete the shopping process. If the user verification fails, the guiding indicator light 32 will flash rapidly in red, reminding the user that re-identity verification is required. The user can adjust the position and posture according to the light prompt, perform face recognition again, or select other payment methods to complete the shopping.

[0112] In some embodiments, referring to Figure 4 , the camera acquisition module 31 includes an infrared camera 310, a red-green-blue camera 311, and a 3D structured light camera module 312. The infrared camera 310 is configured to implement live detection through infrared spectrum analysis, and the red-green-blue camera 311 is configured to collect color information, dynamic expression recognition, and environmental adaptability; the 3D structured light camera module 312 is used for three-dimensional modeling, anti-spoofing protection, and posture correction.

[0113] Specifically, the data of the infrared camera 310, the red-green-blue camera 311, and the 3D structured light camera module 312 are fused and processed by the control module to complete face recognition identity verification.

[0114] In some embodiments, referring to Figure 1 , the payment device further includes a near-field communication module 4, and the display unit 100 is further provided with an interactive feedback area 11a. The near-field communication module 4 is located in the interactive feedback area 11a. It can also be understood that the second operation body 11 is equivalent to the near-field communication module 4 and is used to establish a communication connection with the user device.

[0115] By adding the near-field communication module 4 and combining it with the face recognition module 3, the payment device of the present application can implement a multi-modal payment method of face recognition payment and near-field communication payment. The multi-modal payment method can adapt to different user needs and payment scenarios, making the payment device more intelligent and user-friendly. Moreover, it effectively improves the convenience and efficiency of payment and enhances the security of payment.

[0116] In some embodiments, continuing to refer to Figure 1, the near - field communication module 4 includes an induction coil (not shown in the figure) and a feedback lamp ring 41. The feedback lamp ring 41 is arranged around the induction coil and connected to the induction coil. The feedback lamp ring 41 cooperates with the induction coil to provide a convenient guide for contactless payment for users. It can provide real - time feedback on the user's payment process through ways such as light color, blinking mode, and brightness change.

[0117] For example, when the user brings a device with NFC function close to the interaction feedback area 11a of the payment device, the feedback lamp ring 41 can display a steady green light, indicating that the device has entered the payment preparation state; if the payment is successful, the lamp ring can switch to a fast - blinking blue light to prompt the user that the payment is completed; if the payment fails, it shows a steady red light and blinks slowly to remind the user of payment anomalies.

[0118] It should be specifically noted that the shape, color, mode, intensity, interaction method with the user, light guiding mode, and feedback method of the feedback lamp ring 41 can all refer to the relevant settings of the guiding indicator lamp 32 mentioned above. The only difference is that the guiding indicator lamp 32 cooperates with the camera acquisition module 31, and the feedback lamp ring 41 cooperates with the induction coil.

[0119] In one embodiment, the feedback lamp ring 41 adopts an annular structure and surrounds the induction coil to form a prominent visual prompt area. This setting makes the light evenly distributed around the induction coil. No matter from which angle the user approaches, they can clearly see the light prompt, effectively guiding the user to bring the device with NFC function close to the induction coil.

[0120] In some embodiments, the feedback lamp ring 41 includes the following five feedback stages.

[0121] The first feedback stage is to prompt the user that the device is ready for payment.

[0122] Specifically, the feedback lamp ring 41 shows a steady green light, prompting the user that the device is ready for payment. At this time, the user can bring the device with NFC function close to the interaction feedback area 11a of the payment device, and the device can respond to the user's payment request at any time, getting ready for the start of the payment process.

[0123] The second feedback stage indicates that the device is detecting the approach of the user's device.

[0124] Specifically, when the user brings the device with NFC function close to the interaction feedback area 11a, the feedback lamp ring 41 turns into a yellow blink, indicating that the device is detecting the approach of the user's device. The yellow - blinking light can attract the user's attention, prompting the user that the device has detected its approach and is about to perform the next operation.

[0125] The third feedback stage indicates that the payment process is in progress.

[0126] During the payment process, the feedback light ring 41 shows a fast blue blink, indicating that the payment is in progress. The fast blue blink provides a clear visual cue to the user, informing that the payment process is proceeding smoothly and no other operations are required. The user just needs to wait patiently for the payment result.

[0127] In the fourth feedback stage, the user is prompted that the payment has been completed.

[0128] After the payment is successful, the feedback light ring 41 shows a constant blue light, prompting the user that the payment has been completed. The constant blue light provides a more intuitive payment completion cue to the user. After seeing this light, the user can safely complete subsequent pick-up or other operations.

[0129] In the fifth feedback stage, the user is reminded that there is an abnormality in the payment.

[0130] If the payment fails or there is an abnormality, the feedback light ring 41 shows a constant red light accompanied by a slow blink, reminding the user that there is an abnormality in the payment. The red light can quickly attract the user's attention, informing that there is a problem during the payment process and the user needs to re-perform the payment operation or check the payment information.

[0131] In some embodiments, the feedback light ring 41 includes lamp beads, a driving circuit, and a sensor. The lamp beads are used to provide visual feedback, the driving circuit is used to drive the lamp beads to control their brightness and color, and the sensor is used to detect the ambient light intensity and adjust the brightness of the lamp beads.

[0132] In some embodiments, referring to Figure 1 、 Figure 2 and Figure 3 , the payment body 1 includes a first operation body 10 and a second operation body 11. The information display area 10a is located on the first operation body 10, and the interactive feedback area 11a is located on the second operation body 11. It can also be understood that the display screen, the control module (including a processor, a memory, etc.), the camera acquisition module 31, and the guiding indicator light 32 are located on the first operation body 10. The induction coil and the feedback light ring 41 are located on the second operation body 11.

[0133] This layout can effectively increase the distance between the induction coil and other components, avoid the magnetic field generated by the induction coil from interfering with sensitive electronic components such as the camera acquisition module 31, and ensure the stable operation and accurate identification of the device. At the same time, it reduces the magnetic field interference of the electronic components of other components on the induction coil. For example, the electromagnetic noise generated by components such as the display screen and the control module may affect the normal operation of the induction coil. By separating the layout, the risk of such interference can be reduced, ensuring the stable operation and accurate identification of the device.

[0134] In some embodiments, referring to Figure 1 、 Figure 2 andFigure 3 , the first operation body 10 includes a display housing 101, an installation housing 102, and a receiving cavity formed by the two (not shown in the figure). The receiving cavity is used to accommodate the display module 2, the face recognition module 3, and the control module.

[0135] On one side of the display housing 101 close to the second operation body 11, a first relief portion 1011 is provided. On one side of the installation housing 102 close to the second operation body 11, a second relief portion 1021 is provided. The first relief portion 1011 and the second relief portion 1021 cooperate to form a connection groove (not shown in the figure). The second operation body 11 is embedded in the first operation body 10 through the connection groove to form an integrated structure.

[0136] The design of the integrated structure makes the overall structure of the payment device more compact and stable, enhancing the durability and stability of the device. By embedding the second operation body 11 into the connection groove of the first operation body 10, not only a seamless connection between the two is achieved, but also the device can better resist external physical impacts and vibrations during use, thereby extending the service life of the device.

[0137] Specifically, the first relief portion 1011 and the second relief portion 1021 are arc-shaped, so that the connection groove is an arc-shaped groove. The mating surface of the second operation body 11 that mates with the connection groove has an arc-shaped protrusion in cross-section. The arc-shaped groove and the arc-shaped protrusion cooperate to increase the tightness of the connection between the first operation body 10 and the second operation body 11.

[0138] In one embodiment, the display housing 101 and the installation housing 102 are configured in a rectangular shape, the connection groove is configured as an arc groove, the second operation body 11 is configured in a circular shape, and a part of the edge of the second operation body 11 mates with the arc groove.

[0139] It should be noted specifically that the second operation body 11 being configured in a circular shape only means that in a certain perspective, or it can be understood that the contour of the second operation body 11 is circular in the first perspective of the user facing the payment device. Its overall shape can be a cylindrical shape, or an irregular cylindrical structure, etc. Similarly, the first operation body 10 being configured in a rectangular shape only means that in a certain perspective, or in the first perspective of the user, the contour of the display housing 101 or the installation housing 102 is rectangular. Its overall shape can be a cuboid, or a cuboid with arc-shaped vertices, etc. The present application does not limit this.

[0140] In some embodiments, a chamfer 1022 is provided at one end of the installation housing 102 away from the connection groove.

[0141] Specifically, the provision of the chamfer 1022 can effectively reduce the thickness of the installation housing 102 part, thus adapting to the layout and installation of other components, while reducing the volume and weight of the overall device. This design can also avoid collisions or damage to other components during installation, improving the stability and reliability of the device. In addition, the chamfer 1022 can also enhance the aesthetics of the device, making its appearance more rounded and coordinated.

[0142] Furthermore, on the side of the installation housing 102 where the connection groove is provided, other parts except the connection groove are also provided with the chamfer 1022 structure to achieve the above effects.

[0143] In some embodiments, the payment device further includes a sound receiving module 5 and a sound emitting module 6, and both the sound receiving module 5 and the sound emitting module 6 are located on the first operation body 10.

[0144] Specifically, the provision of the sound receiving module 5 and the sound emitting module 6 in the payment device can enhance the user interaction experience, allowing users to complete payments through voice commands without manual input, especially suitable when both hands are busy, improving the payment efficiency. At the same time, the device can provide real-time feedback on the payment status to the user through the sound emitting module 6, such as the reasons for successful or failed payments, and users can know the results without staring at the screen.

[0145] In addition, the provision of the sound emitting module 6 can expand diverse application scenarios. For example, the device can play voice advertisements and promotional information to attract users' attention and improve the product promotion effect. In international settings or tourist attractions, the device can provide multilingual voice services to help users with different language backgrounds complete payments and improve the service quality. At the same time, the device can also guide users to complete complex operations through voice and implement more natural and intelligent voice interactions in combination with intelligent voice assistants, such as querying product information and answering questions, further enhancing the auxiliary functions of the device.

[0146] Specifically, setting the sound receiving module 5 and the sound emitting module 6 on the first operation body 10 can reduce their impact on the near-field communication module 4, further ensuring the stability of the payment device.

[0147] In some embodiments, the sound receiving module 5 includes a first sound receiving part 51 and a second sound receiving part 52. The first sound receiving part 51 is located on the installation housing 102, and the second sound receiving part 52 is located on the display housing 101.

[0148] Separating the first sound receiving part 51 and the second sound receiving part 52 and setting them on the two housings of the first operation body 10 can effectively improve the sound receiving effect, achieve omnidirectional sound reception, reduce interference, and enhance signal stability. At the same time, it optimizes the device layout, rationally utilizes space, and enhances the sense of appearance design. In terms of user experience, it enhances the voice interaction function, ensures convenient voice operations and real-time feedback during the payment process, and adapts to more usage scenarios in noisy environments.

[0149] In some embodiments, the sound generating module 6 is located on the mounting housing 102. Exemplarily, referring to Figure 3 , the sound generating module 6 can be arranged on the side of the mounting housing 102, so that the space can be effectively utilized, while reducing the interference to other components and optimizing the internal layout of the device. In addition, this layout can enhance the sound propagation effect and improve the user's auditory experience.

[0150] In some embodiments, the payment body 1 further includes a cover plate, a connecting portion is provided on the cover plate, and a mating portion cooperating with the connecting portion is provided on the mounting housing 102. The connecting portion and the mating portion cooperate to enable the cover plate to cover at least part of the mounting housing 102 and at least part of the second operating body 11.

[0151] It should be noted that the present application does not limit the connection manner between the cover plate and the mounting housing 102. The forms of the connecting portion and the mating portion can be various. For example, a snap and a slot, a threaded hole and a bolt, a magnetic attraction assembly, etc. The cover plate is firmly connected to the mounting housing 102, which is convenient for disassembly and assembly, while protecting the internal components and improving the overall sealing performance and aesthetics of the device.

[0152] Further, the other side of the cover plate away from the mounting housing is connected to an external device. The present application also does not limit the connection manner between the cover plate and the external device. For example, when the payment device is used for an unmanned vending machine, the cover plate can be attached to the cabinet door of the unmanned vending machine by an adhesive method.

[0153] Further, the cover plate can be sold independently of the payment body 1. In the actual application process, when the cover plate is damaged and needs to be replaced, first remove the payment body 1 from the cover plate, and then replace it with a newly purchased cover plate.

[0154] In some embodiments, the number of cover plates is multiple, one of which is the first cover plate 12 and the other is the second cover plate 13.

[0155] Referring to Figure 2 and Figure 3 , the connecting portion located on the first cover plate 12 is used as the first connecting portion 120, the connecting portion located on the second cover plate 13 is used as the second connecting portion 130, a mating portion cooperating with the first connecting portion 120 is provided on the mounting housing 102, and it is used as the first mating portion 103, a mating portion cooperating with the second connecting portion 130 is provided on the mounting housing 102, and it is used as the second mating portion 104.

[0156] The first connecting portion 120 cooperates with the first mating portion 103 so that the first cover plate 12 covers part of the mounting housing 102 and the second operating body 11, and the second connecting portion 130 cooperates with the second mating portion 104 so that the second cover plate 13 covers the other part of the mounting housing 102 and the second operating body 11.

[0157] Specifically, the present application does not limit the number, shape of the cover plates, and the part of the mounting housing 102 covered. Several cover plates can be provided, and the cooperation of several cover plates can cover part of the mounting housing 102, that is, only cover the mounting body of some specific areas required by the design; or can completely cover the mounting housing 102. It is specifically determined according to actual needs.

[0158] In one embodiment, the first cover plate 12 and the second cover plate 13 are used alternatively, and the specific selection situation needs to be determined according to the external device to be connected. Taking an unmanned vending machine as an example, generally, the payment device is installed on the frame of the glass cabinet door of the unmanned vending machine, and due to the limited space at the edge of the cabinet door, only one of the cover plates can be accommodated and bonded. Therefore, different cover plates can be selected according to the different opening and closing directions of the cabinet door. After bonding the appropriate cover plate to the frame, the payment body is then installed.

[0159] In one embodiment, the first cover plate 12 and the second cover plate 13 cooperate to achieve full coverage of one side of the mounting housing 102. The full-coverage design can not only effectively enhance the protection performance of the device, prevent external sundries such as dust and moisture from entering, but also increase the connection area between the cover plate and the external device, thereby improving the strength of both, and thus ensuring the stability of the connection between the payment device and the external device.

[0160] In some embodiments, referring to Figure 2 and Figure 3 , the first cover plate 12 includes a first covering portion 121 and a second covering portion 122, and the second cover plate 13 includes a third covering portion 131 and a fourth covering portion 132. The first covering portion 121 and the third covering portion 131 are fitted together to cover the side of the mounting housing 102 away from the display housing 101. The second covering portion 122 and the fourth covering portion 132 are fitted together to cover the side of the second operating body 11 away from the interaction feedback area 11a.

[0161] It can be understood that the shape formed by the combination of the first covering portion 121 and the second covering portion 122 is the same as the shape of the connection side of the mounting housing 102, and the shape formed by the combination of the second covering portion 122 and the fourth covering portion 132 is the same as the shape of the mounting side of the second operating body 11.

[0162] Exemplarily, as mentioned in the above content, when the installation housing 102 is set as a main rectangle, both the first covering portion 121 and the third covering portion 131 can be configured as sub-rectangles with an area half of that of the main rectangle. When the second operation body 11 is set as a circle, both the second covering portion 122 and the fourth covering portion 132 are configured as semi-circles, and the two semi-circles cooperate to cover the circle.

[0163] Similarly, consistent with what is mentioned in the above content, the rectangle and the circle here are general terms. For example, the rectangle can refer to a shape with arc-shaped vertices, and the circle can be an irregular circle or an ellipse, etc.

[0164] Correspondingly, referring to Figure 2 and Figure 3 , the first cover plate 12 and the second cover plate 13 are irregular shapes with one part being a rectangle and the other part being a semi-circle.

[0165] In this application, the first cover plate 12 and the second cover plate 13 are set to an irregular structure, that is, a structure where one part covers the second operation body 11 and the other part covers the installation housing 102, which can facilitate disassembly for overhauling all modules of the payment device. This design enables, during overhaul, only one cover plate to be disassembled to achieve simultaneous overhaul of the first operation body 10 and the second operation body 11, greatly improving the maintenance efficiency and reducing the equipment downtime. In addition, the irregular cover plate design can also enhance the overall structural strength of the equipment, making it more stable and durable.

[0166] In some embodiments, the first cover plate 12 is configured to only cover the installation housing 102, and the second cover plate 13 is configured to only cover the connection side of the second operation body 11. Or, the second cover plate 13 is configured to only cover the installation housing 102, and the first cover plate 12 is configured to only cover the connection side of the second operation body 11.

[0167] The terms "first", "second" and similar words used in the specification and claims of this application do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, words such as "a" or "one" do not indicate a quantity limitation either, but indicate that there is at least one, and will be separately stated if only referring to "one". "Multiple" or "several" means two or more. The term "and / or" used herein refers to and includes any or all possible combinations of one or more of the associated listed items.

[0168] The technical features of the above embodiments can be combined arbitrarily. For the sake of concise description, not all possible combinations of the technical features in the above embodiments are described. However, as long as the combinations of these technical features do not conflict, they should all be considered as the scope described in this specification.

Claims

1. A payment device, characterized in that, include: The payment body has a display portion and an assembly portion arranged opposite to each other along the thickness direction, the display portion has an information display area, and the assembly portion is used to connect to external equipment; A display module, located in the information display area of the display unit, for displaying information; A facial recognition module, located on the display portion of the payment device, includes a camera module and a guide indicator light located on the same side of the display module, and the two are communicatively connected for user identity verification; The control module is built into the payment body and is respectively connected to the display module and the face recognition module for coordinating the payment process and triggering an external device unlocking instruction.

2. The payment device according to claim 1, characterized in that The payment device further includes a near field communication module. The display portion further includes an interactive feedback area. The near field communication module is located in the interactive feedback area and is used to establish a communication connection with a user device.

3. The payment device according to claim 2, characterized in that, The payment body includes a first operating body and a second operating body. The information display area is located on the first operating body, and the interactive feedback area is located on the second operating body.

4. The payment device according to claim 3, wherein The first operating body includes a display housing, a mounting housing, and a receiving cavity formed by the two, wherein the receiving cavity is used to receive the display module, the face recognition module, and the control module; A first paving portion is provided on a side of the display housing close to the second operating body, and a second paving portion is provided on a side of the mounting housing close to the second operating body. The first paving portion and the second paving portion cooperate to form a connecting groove, and the second operating body is embedded in the first operating body through the connecting groove to form an integrated structure.

5. The payment device according to claim 4, characterized in that, One end of the mounting housing away from the connecting groove is provided with a chamfer.

6. The payment device according to claim 4, wherein The payment device further includes a sound receiving module and a sound emitting module, and both the sound receiving module and the sound emitting module are located on the first operating body.

7. The payment device according to claim 6, characterized in that, The sound receiving module includes a first sound receiving part and a second sound receiving part, the first sound receiving part is located on the mounting housing, and the second sound receiving part is located on the display housing; and / or The sound module is located on the mounting shell.

8. The payment device according to claim 4, characterized in that, The payment body further includes a cover plate, a connecting portion is provided on the cover plate, and a matching portion that matches the connecting portion is provided on the mounting shell; The connecting portion and the matching portion cooperate with each other so that the cover plate covers at least a portion of the mounting housing and at least a portion of the second operating body.

9. The payment device according to claim 8, characterized in that, There are multiple cover plates, one of which is a first cover plate and the other is a second cover plate; The connecting portion on the first cover plate is used as the first connecting portion, and the connecting portion on the second cover plate is used as the second connecting portion; The mounting shell is provided with a matching portion that matches the first connecting portion, which is used as the first matching portion, and the mounting shell is provided with a matching portion that matches the second connecting portion, which is used as the second matching portion; The first connecting portion and the first matching portion cooperate to make the first cover cover a portion of the mounting shell and the second operating body, and the second connecting portion and the second matching portion cooperate to make the second cover cover another portion of the mounting shell and the second operating body.

10. The payment device according to claim 9, characterized in that, The first cover plate includes a first covering portion and a second covering portion, and the second cover plate includes a third covering portion and a fourth covering portion; wherein, The first covering portion and the third covering portion are fitted together to cover the side of the mounting housing away from the display housing; The second covering portion and the fourth covering portion are fitted together to cover the side of the second operation body away from the interaction feedback area.

11. The payment device according to any one of claims 2-10, characterized in that, The face recognition module includes: In the first recognition stage, the guiding indicator light is in the first guiding state, which is used to guide or indicate the user to enter the recognition range of the camera acquisition module, and the camera acquisition module is used to judge whether the user enters the effective acquisition range; In the second recognition stage, the camera acquisition module feeds back the collected data to the guiding indicator light, and the guiding indicator light is in the second guiding state, which is used to guide or indicate the user to adjust the position and posture; In the third recognition stage, the guiding indicator light is in the third guiding state, which is used to guide or indicate the user to perform identity verification, and the camera acquisition module is used to judge whether the user is a qualified user; In the fourth guiding state, the guiding indicator light is in the fourth guiding state, which is used to guide or indicate the user to perform the next operation or re-identity verification, and the camera acquisition module enters the first recognition stage.

12. The payment device according to any one of claims 2-10, characterized in that, The near-field communication module further includes an induction coil and a feedback lamp ring. The feedback lamp ring is arranged around the induction coil and is connected to the induction coil. The feedback lamp ring is used to feedback the state of the external device through colors.

13. The payment device according to claim 12, characterized in that, The feedback lamp ring includes lamp beads, a driving circuit and a sensor; wherein, The lamp beads are used to provide visual feedback, the driving circuit is used to drive the lamp beads to control their brightness and colors, and the sensor is used to detect the ambient light intensity and adjust the brightness of the lamp beads.

14. The payment device according to claim 13, characterized in that, The feedback states of the feedback lamp ring include: In the first feedback stage, it prompts that the user device is ready for payment; In the second feedback stage, it indicates that the device is detecting the approach of the user device; In the third feedback stage, it indicates that the payment process is in progress; In the fourth feedback stage, it prompts that the user's payment has been completed; In the fifth feedback stage, it reminds the user that an abnormality has occurred in the payment.

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