Vehicle-mounted face recognition payment device and system based on binocular vision

By using a binocular vision-based in-vehicle facial recognition payment device, which utilizes left and right cameras for 3D recognition, the convenience and security issues of existing in-vehicle payment methods are resolved. This enables a payment process that does not require a mobile terminal, thereby improving travel efficiency.

CN121564302AActive Publication Date: 2026-02-24CHONGQING JUNGE ELECTRONICS TECH CO LTD
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Patent Information

Application Number
CN202610083437.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-01-22
Publication Date
2026-02-24
Estimated Expiration
2046-01-22

AI Technical Summary

Technical Problem

Existing in-vehicle payment methods are cumbersome, inconvenient, and lack security. In particular, they cannot make payments smoothly when the mobile device has low battery, poor signal, or insufficient data, which affects travel efficiency.

Method used

The vehicle-mounted facial recognition payment device, based on binocular vision, combines a payment terminal with an intelligent vehicle terminal. It uses the left and right cameras to simulate the parallax principle of human eyes for three-dimensional recognition. Combined with a payment processor, memory, and communication module, it enables payment to be completed without a mobile terminal.

Benefits of technology

It enables payments to be completed smoothly even when the mobile device has low battery or poor signal, improving the convenience and security of payments and avoiding congestion at the exit payment point during peak shopping and tourist seasons.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of vehicle-mounted payment, and discloses a binocular vision-based vehicle-mounted face recognition payment device and system, and the device comprises a payment terminal which is detachably installed on a central rearview mirror; the payment terminal comprises a payment main control board, a left camera, a right camera, a power supply module, a payment processor, light, a payment memory, a TYPE-C interface and a wireless network interface are installed on the payment main control board, and the payment main control board is installed on the outer shell. Through the arrangement of a payment terminal and an intelligent vehicle-mounted terminal, after a driver arrives at a destination, the driver confirms the arrival place through a mobile terminal and wakes up the payment terminal after confirmation, then a passenger sees a payment device, the payment terminal collects face and living body information of the passenger, payment is completed after comparison, and the driver continues to see the payment terminal after payment fails. Therefore, the problem that payment cannot be carried out smoothly due to the fact that the mobile terminal is out of power, poor in signal or insufficient in flow is effectively solved.
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Description

Technical Field

[0001] This invention relates to the field of vehicle payment technology, specifically to a vehicle-mounted facial recognition payment device and system based on binocular vision. Background Technology

[0002] In today's rapidly developing technological landscape, in-vehicle payment methods are constantly evolving. Traditional in-vehicle payment methods, such as cash payment, card payment, and QR code payment, while meeting travel payment needs for a certain period, have become increasingly limited as travel scenarios become more complex and people's demands for convenience continue to rise. Cash payment not only requires passengers to prepare change in advance but also presents problems such as the hassle of giving change and hygiene concerns. Card payment requires passengers to carry a specific card, and payment will be hindered if the card is lost or damaged. QR code payment relies on mobile terminals and networks, and payment cannot be completed smoothly if the mobile terminal runs out of power, has a poor signal, or insufficient data. During peak hours, it may also cause congestion in payment channels, affecting travel efficiency.

[0003] With the rapid development of intelligent transportation and mobile payment, in-vehicle payment systems are playing an increasingly important role in modern travel. Facial recognition technology, as a high-precision biometric identification method, provides a new solution for the convenience and security of in-vehicle payments. This invention applies binocular vision technology to in-vehicle facial recognition payment, solving the problem of cumbersome operation in existing payment methods. Summary of the Invention

[0004] This invention provides an in-vehicle facial recognition payment device and system based on binocular vision, which solves the problems mentioned in the background art.

[0005] The present invention provides the following technical solution: a vehicle-mounted facial recognition payment device and system based on binocular vision, including a payment terminal, wherein the payment terminal is detachably installed on the central rearview mirror; The payment terminal is equipped with an intelligent vehicle terminal on its outer side, and the intelligent vehicle terminal is equipped with a front camera on its outer side. The payment terminal includes a payment main control board, on which a left camera, a right camera, a power module, a payment processor, a light, a payment memory, a TYPE-C interface, and a payment communication module are installed. The payment main control board is mounted on a housing, and a cover plate is installed on the outer wall of the housing. The left camera, right camera, and light penetrate through the cover plate, and the TYPE-C interface penetrates through the housing. A connecting rod is installed on the outer wall of the housing, and a universal ball is installed on the outer edge of the connecting rod. A connecting housing is movably connected to the outer edge of the universal ball, and a bottom buckle plate is installed on the outer wall of the connecting housing. A top buckle plate is provided on the top of the bottom buckle plate. The outer walls at both ends of the bottom buckle plate are equipped with protective shells. The inner walls of the protective shells are movably connected to adjusting shafts. The outer edges at both ends of the adjusting shafts are equipped with take-up drums. The outer edges of the take-up drums are equipped with fastening straps. The end of the fastening straps away from the take-up drums is connected to a connecting shaft. The connecting shaft is installed on the top buckle plate.

[0006] As a preferred technical solution of the present invention: the fastening band is provided with guide shafts on both the front and back sides, and the guide shafts are mounted on the protective shell.

[0007] As a preferred embodiment of the present invention: the inner wall of the connecting shell is threaded with an adjusting nut, and an active adjusting block is installed at the bottom of the adjusting nut, the active adjusting block being made of rubber.

[0008] As a preferred embodiment of the present invention: a fixed wheel is fixedly sleeved on the outer edge of the adjusting shaft, a fixed groove is provided on the outer edge of the fixed wheel, a fixed post is provided on the periphery of the fixed wheel, and the fixed post is disposed in the inner cavity of the limiting cylinder.

[0009] As a preferred embodiment of the present invention: the inner cavity of the limiting cylinder is provided with a supporting spring, the inner wall of the limiting cylinder is installed with a fixing plate, and the supporting spring is located between the fixing plate and the fixing column.

[0010] As a preferred embodiment of the present invention, the fixing groove is provided in a plurality of places, and the plurality of fixing grooves are evenly distributed on the fixing wheel.

[0011] As a preferred embodiment of the present invention, the fastening band is made of inelastic fabric and is wound on a take-up drum.

[0012] The vehicle-mounted facial recognition payment system based on binocular vision includes the aforementioned payment terminal, as well as an intelligent vehicle terminal, a mobile terminal, and a payment server. The intelligent vehicle terminal is communicatively connected to the payment server and the mobile terminal, respectively. The mobile terminal is used to confirm the end of the trip and send a start signal to the smart vehicle terminal; The intelligent vehicle terminal is used to wake up the payment terminal in response to the start signal and display payment information; The payment terminal is used to respond to the wake-up call, collect the user's facial image and liveness information, and complete identity verification and payment operations based on the facial image and liveness information.

[0013] The present invention has the following beneficial effects: 1. This binocular vision-based in-vehicle facial recognition payment device and system, through the setup of a payment terminal and a smart in-vehicle terminal, allows the driver to confirm the destination via a mobile terminal upon arrival. After confirmation, the driver wakes up the payment terminal, and then the passenger looks at the payment device. The payment terminal collects the passenger's face and liveness information, and completes the payment after comparison. If the payment fails, the passenger continues to look at the payment terminal until the recognition and payment are completed. This effectively solves the problem of payment failure caused by the mobile terminal running out of power, poor signal, or insufficient data.

[0014] 2. This binocular vision-based in-vehicle facial recognition payment device and system, through the setup of a payment terminal and a smart in-vehicle terminal, enables the parking system in the parking lot to recognize the license plate, and then the payment terminal to recognize the vehicle owner. When it is time to leave the parking lot, the parking system in the parking lot confirms the parking time, and at the same time the payment terminal recognizes the vehicle owner's face, and then automatically deducts the amount from the linked account to complete the payment. There is no need to pick up a mobile terminal to scan a code to pay, which improves the efficiency of vehicle exit and avoids congestion caused by exit payment during peak shopping and tourism periods.

[0015] 3. This binocular vision-based vehicle face recognition payment device and system, through the setting of a top buckle plate, fastening strap and bottom buckle plate, by rotating the adjustment shaft, the adjustment shaft will drive the winding drum to rotate, and the winding drum will wind up the fastening strap, so that the fastening strap between the top buckle plate and the bottom buckle plate will gradually tighten. When the fastening strap is tightened, it means that the installation is complete. The top buckle plate and the bottom buckle plate are connected by the fastening strap, so that the distance between the top buckle plate and the bottom buckle plate can be adjusted according to the thickness of the central rearview mirror, so that this device can be installed on central rearview mirrors of different sizes. Attached Figure Description

[0016] Figure 1 This is a frontal perspective view of the present invention; Figure 2 This is a three-dimensional structural diagram of the back of the present invention; Figure 3 This is a schematic diagram of the installation structure of the payment terminal of the present invention; Figure 4 This is a schematic diagram of the payment control board structure of the present invention; Figure 5 This is a schematic diagram of the cross-sectional structure of the payment terminal of the present invention; Figure 6 For the present invention Figure 5 Enlarged structural diagram at point A in the diagram; Figure 7 This is a schematic diagram of the payment system of the present invention; Figure 8 This is a schematic diagram of the payment terminal connection of the present invention; Figure 9 This is a schematic diagram of the payment terminal of the present invention; Figure 10 This is a schematic diagram of the payment process for ride-hailing and taxi passengers according to the present invention. Figure 11 This is a schematic diagram of QR code payment for private car parking lots according to the present invention. Figure 12 This is a schematic diagram of the payment system for private car parking lots combined with the parking system of the present invention.

[0017] In the diagram: 1. Payment terminal; 2. Smart vehicle terminal; 3. Front camera; 4. Mobile terminal; 5. Payment server; 6. Central rearview mirror; 101. Payment main control board; 102. Left camera; 103. Right camera; 104. Power module; 105. Payment processor; 106. Light; 107. Payment memory; 108. TYPE-C interface; 109. Payment communication module; 110. Housing; 111. Cover plate; 112. Connecting rod; 113. Universal ball; 114. Connecting housing; 115. Active adjustment block; 116. Adjusting nut; 117. Bottom buckle plate; 118. Protective shell; 119. Adjusting shaft; 120. Rewind drum; 121. Fastening strap; 122. Guide shaft; 123. Connecting shaft; 124. Top buckle plate; 125. Fixed wheel; 126. Fixed groove; 127. Fixed column; 128. Support spring; 129. Limiting cylinder; 130. Fixing plate. Detailed Implementation

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] Please see Figures 1-12 A vehicle-mounted facial recognition payment device and system based on binocular vision includes a payment terminal 1, which is detachably mounted on the central rearview mirror 6. In the above structure, the payment terminal 1 can be installed on the central rearview mirror 6. Since the central rearview mirror 6 is located in the central area above the center console, the central rearview mirror 6 can capture images of the rear passengers as well as the driver and front passenger in the front seats.

[0020] A smart vehicle terminal 2 is located on the outside of the payment terminal 1, and a front camera 3 is located on the outside of the smart vehicle terminal 2.

[0021] In the above structure, the front camera 3 scans the parking fee QR code, the scanned QR code is processed by the intelligent vehicle terminal 2, and the intelligent vehicle terminal 2 sends the processed payment information to the payment terminal 1. At this time, the payment terminal 1 is activated, the car owner looks at the payment terminal 1 for facial recognition, and waits for the payment to be completed before driving away from the parking lot.

[0022] The payment terminal 1 includes a payment main control board 101, on which a left camera 102, a right camera 103, a power module 104, a payment processor 105, a light 106, a payment memory 107, a TYPE-C interface 108, and a payment communication module 109 are installed. The payment main control board 101 is mounted on a housing 110, and a cover plate 111 is installed on the outer wall of the housing 110. The left camera 102, the right camera 103, and the light 106 pass through the cover plate 111, and the TYPE-C interface 108 passes through the housing 110. A connecting rod 112 is installed on the outer wall of the housing 110, and a universal ball 113 is installed on the outer edge of the connecting rod 112. A connecting housing 114 is movably connected to the outer edge of the universal ball 113. A bottom buckle plate 117 is installed on the outer wall of the connecting housing 114, and a top buckle plate 124 is provided on the top of the bottom buckle plate 117.

[0023] In the above structure, through the setting of the top buckle plate 124 and the bottom buckle plate 117, the top buckle plate 124 and the fixing post 127 can fix the outer shell 110 to the central rearview mirror 6. Utilizing the collaborative work of the left camera 102 and the right camera 103, which simulate the parallax principle of human eyes, the photographed object can obtain three-dimensional vision, improving recognition accuracy and speed. The power module 104 is the core power support unit, its core function being to convert externally input electrical energy into stable electrical energy required by the various components inside the device, while ensuring power supply safety, continuity, and adaptability to scenario requirements, directly determining the reliability and service life of the payment device. The payment processor 105 receives the encrypted payment data transmitted by the payment gateway and coordinates key operations such as transaction verification, authorization, and fund transfer. Balancing security and compliance reconciliation, this is a core component ensuring smooth and secure payment completion. In complex lighting environments such as outdoors and underground, the light 106 adjusts its brightness to adapt to the environment, ensuring visibility. The payment storage device 107 securely and reliably stores the critical data required for the entire payment process, ensuring compliant, traceable, and uninterrupted transactions while protecting user information and funds. The TYPE-C interface 108 can accept a C-port data cable, connecting to the intelligent vehicle terminal 2 for data transmission and power supply. The payment communication module 109 serves as an information bridge connecting the payment device to external devices and various payment systems, supporting payment interactions in different scenarios, ensuring efficient and secure data transmission, and assisting in device management. It is a key component for the smooth operation of the payment process.

[0024] Protective shells 118 are installed on the outer walls of both ends of the bottom buckle plate 117. An adjusting shaft 119 is movably connected to the inner wall of the protective shell 118. A winding drum 120 is installed on the outer edge of both ends of the adjusting shaft 119. A fastening strap 121 is installed on the outer edge of the winding drum 120. A connecting shaft 123 is connected to the end of the fastening strap 121 away from the winding drum 120. The connecting shaft 123 is installed on the top buckle plate 124.

[0025] In the above structure, the rotating adjustment shaft 119 drives the take-up drum 120 to rotate. When the take-up drum 120 rotates, it pulls the fastening belt 121, causing the fastening belt 121 to be wound around the take-up drum 120. This allows the top buckle plate 124 connected to the fastening belt 121 to be tightened, so that the bottom buckle plate 117 and the top buckle plate 124 are locked onto the central rearview mirror 6, thus completing the installation of the payment terminal 1.

[0026] In a preferred embodiment, guide shafts 122 are provided on both the front and back of the fastening strap 121, and the guide shafts 122 are mounted on the protective shell 118.

[0027] In the above structure, the two guide shafts 122 limit and guide the fastening belt 121. When the fastening belt 121 is pulled, the guide shafts 122 roll, so that the fastening belt 121 will not come into contact with the protective shell 118, thereby improving the service life of the fastening belt 121.

[0028] In a preferred embodiment: an adjusting nut 116 is threaded onto the inner wall of the connecting housing 114, and an active adjusting block 115 is installed at the bottom of the adjusting nut 116. The active adjusting block 115 is made of rubber.

[0029] In the above structure, by setting the active adjusting block 115 and the adjusting nut 116, when the universal ball 113 and the connecting housing 114 become loose, the active adjusting block 115 is squeezed by turning the adjusting nut 116, so that the universal ball 113 and the active adjusting block 115 are in closer contact, making it difficult for the universal ball 113 and the connecting rod 112 to rotate. Therefore, the cover plate 111 can be accurately positioned, and the cover plate 111 will not be displaced when the car is driving on bumpy roads, thus improving the stability of the device.

[0030] In a preferred embodiment: a fixed wheel 125 is fixedly sleeved on the outer edge of the adjusting shaft 119, a fixed groove 126 is provided on the outer edge of the fixed wheel 125, a fixed post 127 is provided on the periphery of the fixed wheel 125, and the fixed post 127 is disposed in the inner cavity of the limiting cylinder 129.

[0031] In the above structure, by setting the fixed wheel 125 and the fixed groove 126, when the fixed column 127 is located in the fixed groove 126, the adjusting shaft 119 is not easy to rotate. The adjusting shaft 119 needs to be rotated manually. Therefore, the adjusting shaft 119 cannot be rotated when there is no human intervention, which improves the stability of the device.

[0032] In a preferred embodiment: the inner cavity of the limiting cylinder 129 is provided with a support spring 128, and the inner wall of the limiting cylinder 129 is equipped with a fixing plate 130, with the support spring 128 located between the fixing plate 130 and the fixing post 127.

[0033] In the above structure, the support spring 128 is always compressed and has elasticity when it is in the limiting cylinder 129. The support spring 128 supports the fixed column 127, so that the fixed column 127 is in the fixed groove 126. When the fixed column 127 needs to be removed from the fixed groove 126, the adjusting shaft 119 needs to be rotated to drive the fixed wheel 125 to rotate.

[0034] In a preferred embodiment, a plurality of fixing grooves 126 are provided, and the plurality of fixing grooves 126 are evenly distributed on the fixing wheel 125.

[0035] In the above structure, by setting multiple fixing slots 126, since the size of the central rearview mirror 6 is different, multiple fixing slots 126 need to be set to accommodate the central rearview mirror 6 of different sizes, so that the adjustment shaft 119 can be positioned, thus improving the flexibility of the device.

[0036] In a preferred embodiment, the fastening band 121 is made of inelastic fabric and is wound on the take-up drum 120.

[0037] In the above structure, by using inelastic fabric, the distance between the top buckle plate 124 and the bottom buckle plate 117 is determined and cannot be increased. Therefore, the top buckle plate 124 and the bottom buckle plate 117 can be stably installed on the central rearview mirror 6. By winding the fastening strap 121 onto the take-up drum 120, the length between the top buckle plate 124 and the bottom buckle plate 117 can be varied. The length between the top buckle plate 124 and the bottom buckle plate 117 is longer than the initial length, which can just fit the central rearview mirror 6 of different sizes.

[0038] The vehicle-mounted facial recognition payment system based on binocular vision includes a payment terminal 1, an intelligent vehicle terminal 2, a mobile terminal 4, and a payment server 5. The intelligent vehicle terminal 2 is communicatively connected to the payment server 5 and the mobile terminal 4, respectively. Mobile terminal 4 is used to confirm the end of the trip and send a start signal to intelligent vehicle terminal 2; The intelligent vehicle terminal 2 is used to wake up the payment terminal 1 in response to a start signal and display payment information; Payment terminal 1 is used to respond to wake-up, collect the user's facial image and liveness information, and complete identity verification and payment operations based on the facial image and liveness information.

[0039] In the above structure, the arrival at the destination is confirmed by the mobile terminal 4, and the mobile terminal 4 sends the information to the smart vehicle terminal 2. The smart vehicle terminal 2 then activates the payment terminal 1. The passenger observes the payment terminal 1, and the payment terminal 1 recognizes the passenger's face. After recognition, the face is displayed on the smart vehicle terminal 2. The driver and passenger confirm the payment information. This function needs to be set up in the APP. If it is not set up, the payment amount will be displayed on the bracket of the smart vehicle terminal 2.

[0040] Working principle: During use, the bottom fastener 117 is attached to the bottom of the center rearview mirror 6, and the top fastener 124 is placed above the center rearview mirror 6. At this time, the fastening band 121 between the top fastener 124 and the bottom fastener 117 is in a loose state. Then, the adjusting shaft 119 is rotated. When the adjusting shaft 119 rotates, it drives the winding drum 120 to rotate. When the winding drum 120 rotates, it winds up the fastening band 121, gradually tightening the fastening band 121 between the top fastener 124 and the bottom fastener 117. When the adjusting shaft 119 becomes difficult to rotate... This indicates that payment terminal 1 is installed successfully. As the adjusting shaft 119 rotates, it drives the fixed wheel 125 to rotate as well. When the adjusting shaft 119 stops rotating, the spring force of the supporting spring 128 supports the fixed column 127 in the fixed groove 126. The adjusting shaft 119 requires force to rotate. When used in taxis and ride-hailing vehicles, after arriving at the destination, the driver confirms the arrival location via mobile terminal 4. After confirmation, the driver wakes up payment terminal 1. Then, the passenger looks at the payment device, and payment terminal 1 collects the passenger's facial and liveness information. After comparison, the payment is completed. If the payment fails, the passenger continues to look at payment terminal 1 until the payment is successfully recognized. When used in private cars, the vehicle enters the parking lot, and the parking system recognizes the license plate. Then, payment terminal 1 identifies the vehicle owner. When exiting the parking lot, the parking system confirms the parking time, and payment terminal 1 simultaneously recognizes the vehicle owner's face. The payment is then automatically deducted from the linked account, completing the payment. This eliminates the need to use mobile terminal 4 for scanning, improving vehicle exit efficiency and avoiding payment issues during peak shopping and tourism periods. When the cover plate 111 is blocked, the outer shell 110 is connected to the connecting shell 114, the active adjustment block 115, and the adjusting nut 116 via the connecting rod 112, the universal ball 113, and the adjusting nut 116. The cover plate 111 can rotate and be adjusted at multiple angles so that the left camera 102 and the right camera 103 can face the recognition area. When the cover plate 111 is loose, the active adjustment block 115 on the adjusting nut 116 is compressed by turning the adjusting nut 116. At this time, the active adjustment block 115 and the universal ball 113 are tightly fitted, so that the cover plate 111 is subjected to greater resistance.

[0041] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0042] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A vehicle-mounted facial recognition payment device based on binocular vision, comprising a payment terminal (1), characterized in that: The payment terminal (1) is detachably mounted on the central rearview mirror (6). The payment terminal (1) is provided with a smart vehicle terminal (2) on its outside, and the smart vehicle terminal (2) is provided with a front camera (3) on its outside. The payment terminal (1) includes a payment main control board (101), on which a left camera (102), a right camera (103), a power module (104), a payment processor (105), a light (106), a payment memory (107), a TYPE-C interface (108), and a payment communication module (109) are installed. The payment main control board (101) is mounted on a housing (110), and a cover plate (111) is installed on the outer wall of the housing (110). The left camera (102) The right camera (103) and the light (106) pass through the cover plate (111), the TYPE-C interface (108) passes through the outer shell (110), the outer wall of the outer shell (110) is equipped with a connecting rod (112), the outer edge of the connecting rod (112) is equipped with a universal ball (113), the outer edge of the universal ball (113) is movably connected to the connecting shell (114), the outer wall of the connecting shell (114) is equipped with a bottom buckle plate (117), and the top of the bottom buckle plate (117) is provided with a top buckle plate (124). The outer walls of both ends of the bottom buckle plate (117) are equipped with protective shells (118). The inner walls of the protective shells (118) are movably connected to the adjusting shafts (119). The outer edges of both ends of the adjusting shafts (119) are equipped with take-up drums (120). The outer edges of the take-up drums (120) are equipped with fastening straps (121). The end of the fastening straps (121) away from the take-up drums (120) is connected to a connecting shaft (123). The connecting shafts (123) are installed on the top buckle plate (124).

2. The vehicle-mounted face recognition payment device based on binocular vision according to claim 1, characterized in that: The fastening band (121) has guide shafts (122) on both the front and back sides, and the guide shafts (122) are mounted on the protective shell (118).

3. The vehicle-mounted face recognition payment device based on binocular vision according to claim 1, characterized in that: The inner wall of the connecting shell (114) is threaded with an adjusting nut (116), and an active adjusting block (115) is installed at the bottom of the adjusting nut (116). The active adjusting block (115) is made of rubber.

4. The vehicle-mounted face recognition payment device based on binocular vision according to claim 1, characterized in that: The outer edge of the adjusting shaft (119) is fixedly sleeved with a fixed wheel (125), the outer edge of the fixed wheel (125) is provided with a fixed groove (126), the outer periphery of the fixed wheel (125) is provided with a fixed post (127), and the fixed post (127) is set in the inner cavity of the limiting cylinder (129).

5. The vehicle-mounted face recognition payment device based on binocular vision according to claim 4, characterized in that: The inner cavity of the limiting cylinder (129) is provided with a support spring (128), and the inner wall of the limiting cylinder (129) is equipped with a fixing plate (130). The support spring (128) is located between the fixing plate (130) and the fixing column (127).

6. The vehicle-mounted face recognition payment device based on binocular vision according to claim 4, characterized in that: The fixing groove (126) is provided in a plurality of places, and the plurality of fixing grooves (126) are evenly distributed on the fixing wheel (125).

7. The vehicle-mounted face recognition payment device based on binocular vision according to claim 2, characterized in that: The fastening band (121) is made of non-elastic fabric and is wound on a take-up drum (120).

8. A vehicle-mounted facial recognition payment system based on binocular vision, characterized in that, Includes the payment terminal (1) as described in claim 1, as well as the smart vehicle terminal (2), the mobile terminal (4), and the payment server (5); The intelligent vehicle terminal (2) is communicatively connected to the payment server (5) and the mobile terminal (4); The mobile terminal (4) is used to confirm the end of the trip and send a start signal to the intelligent vehicle terminal (2); The intelligent vehicle terminal (2) is used to wake up the payment terminal (1) in response to the start signal and display payment information; The payment terminal (1) is used to respond to the wake-up call, collect the user's facial image and liveness information, and complete the identity verification and payment operation based on the facial image and liveness information.

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