Foreign currency exchange system and exchange machine based on digital RMB business

Abstract

The invention discloses a foreign currency exchange system and exchange machine based on a digital RMB business, and the key points of the technical scheme are that the foreign currency exchange system based on the digital RMB business comprises a self-service terminal which is provided with an operation panel; the digital RMB exchange module is used for exchanging the account balance into foreign currency paper money from a digital RMB operation mechanism; the password input part confirms a password input by a user, if the password is correct, an instruction is sent to the face recognition part, information of the user is further confirmed, the confirmed information is sent to the bank server module, the operation panel displays a foreign currency withdrawal confirmation request, and the bank server module receives the foreign currency withdrawal confirmation instruction and sends the foreign currency withdrawal confirmation instruction to the face recognition part. The digital RMB exchange module calculates the exchange rate of the current RMB and the specified foreign currency, and the foreign currency storage module outputs the current foreign currency to the self-service end.

Description

Technical Field

[0001] The present invention relates to the technical field of self-service terminal equipment, and in particular to a foreign currency exchange system and exchange machine based on digital RMB business. Background Art

[0002] The digital RMB, whose abbreviation is temporarily designated as "e-CNY" in accordance with international usage practices, is a legal currency in digital form issued by the People's Bank of China, operated by designated operating institutions and exchanged to the public. It is based on a broad account system, supports loose coupling functions with bank accounts, is equivalent to paper money and coins, and has value characteristics and legal tender.

[0003] The digital currencies in the existing technologies are all virtual and need to be implemented in the form of an APP installed on a smartphone. It is difficult to promote them to users who do not have a smartphone or cannot use a smartphone APP. The foreign currency exchange of digital RMB at bank counters may result in slow queues and an increase in bank processing staff.

[0004] For users, the use of self-service equipment can save queuing time, improve consumption experience, effectively shorten queuing time, and be convenient and fast.

[0005] When self-service equipment is put into use, the use of cameras becomes an indispensable part. For the current convenient portrait recognition technology, cameras are a necessary condition.

[0006] However, due to the interference caused by external light directly hitting the camera, face recognition often fails, and the user's important information will be recognized on the face recognition instrument. In addition, for cameras exposed to the outside and accumulated dust, the accuracy of face verification is reduced during recognition, which may also lead to face recognition failure. Summary of the invention

[0007] In response to the shortcomings of the prior art, the present invention provides a foreign currency exchange system and exchange machine based on digital RMB business, aiming to alleviate the above problems at least to a certain extent.

[0008] The above technical objectives of the present invention are achieved through the following technical solutions:

[0009] The foreign currency exchange system based on digital RMB business includes:

[0010] Self-service terminal with operation panel;

[0011] A digital RMB exchange module, used to exchange account balances into foreign currency notes from digital RMB operating institutions;

[0012] A digital RMB wallet, whose card insertion part extends out of the self-service terminal, is used to issue and recycle digital RMB wallets and confirm the balance of digital RMB wallets, and the digital RMB wallet includes a bank card;

[0013] A password input unit, used for the user to input the password of the digital RMB wallet;

[0014] A face recognition unit, which takes a photo of the user to collect the user's image information and compares it with the RMB wallet holder;

[0015] A foreign currency storage module, whose foreign currency output end extends out of the self-service end, wherein the foreign currency storage module is preset with a plurality of foreign currency packages of different currencies, each of which contains at least one foreign currency of the same currency;

[0016] Transaction processing module, used to process user transaction operations;

[0017] The bank server module is connected to the transaction processing module, foreign currency storage module, password input unit, digital RMB wallet, digital RMB exchange module and face recognition unit, and is configured so that the password input unit confirms the password entered by the user, and if the password is correct, an instruction is sent to the face recognition unit to further confirm the user's information. The confirmed information is sent to the bank server module, and the operation panel displays a foreign currency cash withdrawal confirmation request. After the bank server module receives the foreign currency cash withdrawal confirmation instruction, the digital RMB exchange module calculates the current exchange rate between RMB and the specified foreign currency, and the foreign currency storage module outputs the foreign currency cash to the self-service terminal.

[0018] A redemption machine includes a face recognition unit, wherein the face recognition unit includes:

[0019] A movable plate and a fixed plate, wherein the fixed plate is arranged on the self-service end, the movable plate is arranged on the top of the fixed plate, and a face recognition device is arranged on one side of the movable plate;

[0020] A frame, disposed on one side of the movable plate, surrounding the face recognition device;

[0021] A plurality of baffles are arranged on one side of the frame, and the plurality of baffles shield the frame;

[0022] A wiping cloth, arranged on the baffle;

[0023] A moving component is arranged on the moving plate, and is used to move the position of the frame when the moving plate moves to a first preset position, and the frame leaves the baffle. When the moving plate moves to a second preset position, the position of the baffle can be reciprocated, and the frame can rotate the baffle and the wiping cloth on the baffle when it moves to the preset position.

[0024] Preferably, the frame includes two first rods and two second rods, the two first rods are respectively located on the left and right sides of the face recognition device, and the two second rods are respectively located on the upper and lower sides of the face recognition device, one side of the movable plate is provided with a first groove slidably connected to the first rod and a second groove slidably connected to the second rod, a first elastic member is connected between the first rod and the first groove, a second elastic member is connected between the second rod and the second groove, a first connecting rod is connected to one side of the first rod, one end of the first connecting rod is rotatably connected to the second connecting rod, one end of the second connecting rod is slidably connected to a third connecting rod rotatably connected to the second rod, and a third elastic member is connected between the second connecting rod and the third connecting rod.

[0025] Preferably, the moving component includes a bracket slidably connected to the top and bottom of the moving plate, the top and bottom of the baffle are respectively connected to a first rotating rod, a first gear is fixedly sleeved on the first rotating rod, a first rack meshing with the first gear is slidably connected to the bracket, the first rack is located on one side of one of the first rods, and there is a preset distance between the first rack and the first rod, a side opening is opened on one side of the moving plate, a positioning plate slidably connected to the side opening is connected to one side of the fixed plate, and a top touch plate is connected to one side of the first rod.

[0026] Preferably, a cavity is defined inside the baffle, a second rotating rod is rotatably connected in the cavity, storage cavities communicating with the cavity are defined on both sides of the baffle, a portion of the wiping cloth is located in the cavity, and a portion of the wiping cloth is located in the storage cavity, a plurality of limit shafts are rotatably connected in the cavity, the limit shafts limit the position of the wiping cloth so that the wiping cloth contacts the second rotating rod, the second rotating rod passes through the baffle and the first rotating rod and is connected to a second gear, a second rack meshing with the second gear is slidably connected to the bracket, the second rack is located at the top of the first rack, one end of the second rack is located on one side of the other first rod, and has a preset distance from the first rod.

[0027] Preferably, a ratchet mechanism is provided between the second rotating rod and the second gear.

[0028] Preferably, a support plate is slidably connected in the storage cavity, a roller is connected to one side of the support plate, a part of the wiping cloth is sleeved on the roller, and a fourth elastic member is connected between the support plate and the storage cavity.

[0029] Preferably, a support block is connected to one side of the movable plate, a reciprocating screw is rotatably connected to the support block, a movable block connected to the bracket is threadedly connected to the reciprocating screw, a third rack is connected to one side of the positioning plate, a third gear meshing with the third rack is rotatably connected to one side of the movable plate, and a chain is connected between the third gear and the reciprocating screw.

[0030] Preferably, the top of the movable plate is slidably connected to a support rod, a fifth elastic member is connected between the support rod and the movable plate, the first rack and the second rack are slidably connected to the support rod, a sixth elastic member is respectively connected between the first rack and the support rod and between the second rack and the support rod, and lifting grooves are respectively provided at the top and bottom of the positioning plate, and one end of the support rod is in the lifting groove.

[0031] Preferably, one side of the support block is connected to a limiting rod, the limiting rod is slidably connected to a limiting frame, the top of the limiting frame is provided with a positioning opening for sleeved with the first rotating rod, a rubber pad is sleeved in the positioning opening, the diameter of the rubber pad is larger than the diameter of the first rotating rod, and a seventh elastic member is connected between the limiting frame and the support block.

[0032] In summary, the present invention mainly has the following beneficial effects:

[0033] By setting a movable plate, when in use, the user can move the position of the movable plate to move the movable plate and the face recognition device on the movable plate, and the face recognition device gradually approaches the user's face. When the movable plate moves to the first preset position, the frame can move and leave the baffle. When the frame moves to the preset position, the baffle can be rotated. When the baffle is rotated ninety degrees, the camera on the face recognition device can be exposed, and the camera can identify the user through the channel between the baffles. By setting a baffle with a smaller thickness, the user can also view the information displayed on the display screen of the face recognition device through the channel. Moreover, after rotating ninety degrees, the baffle is straight towards the user. For the face recognition device in a cluttered environment, it can also block others from viewing important information displayed on the display screen of the face recognition device, thereby playing a peeping effect. When the movable plate moves to the second preset position, it can move left and right The position of the movable baffle is adjusted. When the baffle rotates ninety degrees, the wiping cloth set on the baffle can contact the face recognition device. When the baffle moves, the display screen and the camera lens of the face recognition device can be wiped to remove the dust that affects the camera. At the same time, after the multiple baffles are rotated, the horizontal light beams around the face recognition device can be blocked to prevent the external light source from directly irradiating the camera. In the initial state, the set frame and baffle can form a half box covering the face recognition device to block external dust, which solves the problem of interference caused by external light directly hitting the camera in the prior art, which often leads to face recognition failure, and the user's important information will be recognized on the face recognition instrument. In addition, for the camera exposed to the outside and dusty, the accuracy of face verification is reduced during recognition, which can also lead to face recognition failure. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a system block diagram of the present invention;

[0035] Figure 2 It is a block diagram of the password input system of the present invention;

[0036] Figure 3 It is a schematic diagram of the face recognition system block diagram of the present invention;

[0037] Figure 4 It is a schematic diagram of the self-service terminal structure of the present invention;

[0038] Figure 5 It is a schematic diagram of the structure of the movable plate of the present invention;

[0039] Figure 6 It is a schematic diagram of the baffle structure of the present invention;

[0040] Figure 7 yes Figure 6 A schematic diagram of the enlarged local structure at point A in the middle;

[0041] Figure 8It is a schematic diagram of the framework structure of the present invention;

[0042] Fig. 9 is a schematic diagram of the first connecting rod structure of the present invention;

[0043] Fig.10 is a cross-sectional schematic diagram of the baffle structure of the present invention;

[0044] Fig.11 It is a schematic diagram of the positioning plate structure of the present invention;

[0045] Fig.12 It is a schematic diagram of the structure of the limiting frame of the present invention;

[0046] Fig.13 It is a schematic diagram of the first rotating rod structure of the present invention.

[0047] Reference numerals:

[0048] 100, self-service terminal; 101, mobile plate; 102, fixed plate; 103, face recognition device; 104, frame; 105, baffle; 106, wiping cloth;

[0049] 200, first rod; 201, second rod; 202, first slot; 203, second slot; 204, first elastic member; 205, second elastic member; 206, first connecting rod; 207, second connecting rod; 208, third connecting rod; 209, third elastic member;

[0050] 300, bracket; 301, first rotating rod; 302, first gear; 303, first rack; 304, side opening; 305, positioning plate; 306, top contact plate;

[0051] 400, cavity; 401, second rotating rod; 402, storage cavity; 403, limit shaft; 404, second gear; 405, second rack; 406, ratchet mechanism; 407, support plate; 408, roller; 409, fourth elastic member;

[0052] 500, support block; 501, reciprocating screw rod; 502, moving block; 503, third rack; 504, third gear; 505, chain; 506, support rod; 507, fifth elastic member; 508, sixth elastic member; 509, lifting groove; 510, limit rod; 511, limit frame; 512, positioning port; 513, rubber pad; 514, seventh elastic member. DETAILED DESCRIPTION

[0053] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0054] Embodiment 1

[0055] refer to Figure 1 - Figure 3 , a foreign currency exchange system based on digital RMB business, including:

[0056] The self-service terminal 100 has an operation panel;

[0057] A digital RMB exchange module, placed in the self-service terminal 100, is used to exchange the account balance into foreign currency banknotes from the digital RMB operating institution;

[0058] A digital RMB wallet is placed in the main body, and its card insertion part extends out of the self-service terminal 100, and is used to issue and recycle digital RMB wallets and confirm the balance of the digital RMB wallet, wherein the digital RMB wallet includes a bank card;

[0059] A password input unit, provided on the self-service terminal 100, for the user to input the password of the digital RMB wallet;

[0060] A face recognition unit, which is arranged on the self-service terminal 100, takes a picture of the user to collect the image information of the user, and compares it with the RMB wallet holder;

[0061] A foreign currency storage module is provided in the self-service terminal 100, and its foreign currency output end extends out of the self-service terminal 100. The foreign currency storage module is preset with a plurality of foreign currency packages of different currencies, and each foreign currency package contains at least one foreign currency of the same currency;

[0062] A transaction processing module, used to process the transaction operation of the user;

[0063] The bank server module is connected to the transaction processing module, the foreign currency storage module, the password input unit, the digital RMB wallet, the digital RMB exchange module and the face recognition unit, and is configured so that the password input unit confirms the password entered by the user, and if the password is correct, an instruction is sent to the face recognition unit to further confirm the user's information. The confirmed information is sent to the bank server module, and the operation panel displays a foreign currency cash withdrawal confirmation request. After the bank server module receives the foreign currency cash withdrawal confirmation instruction, the digital RMB exchange module calculates the current exchange rate between RMB and the specified foreign currency, and the foreign currency storage module outputs the foreign currency cash to the self-service terminal 100.

[0064] As a further solution of the present invention, if the password input unit recognizes that the password is wrong, the digital RMB wallet exits the bank card; if the password input unit recognizes that the password is correct, the information is transmitted to the bank server module, and the bank server module activates the face recognition unit to further collect the user's facial information and recognize the user;

[0065] As a further solution of the present invention, the face recognition unit compares the facial information of the current user with that of the digital RMB wallet holder. If it is wrong, the digital RMB wallet will exit the bank card. If it is correct, the information will be transmitted to the bank server module. The bank server module will start the digital RMB exchange module, and the operation panel will display the transaction processing module for the user to exchange foreign currency.

[0066] Embodiment 2

[0067] This embodiment is based on the first embodiment. Figure 4 - Fig.13 , a redemption machine, including a face recognition unit, the face recognition unit including:

[0068] A movable plate 101 and a fixed plate 102, wherein the fixed plate 102 is disposed on the self-service terminal 100, the movable plate 101 is disposed on the top of the fixed plate 102, and a face recognition device 103 is disposed on one side of the movable plate 101;

[0069] A frame 104 is provided on one side of the movable plate 101 and surrounds the face recognition device 103;

[0070] A plurality of baffles 105 are disposed on one side of the frame 104 , and the plurality of baffles 105 shield the frame 104 ;

[0071] A wiping cloth 106 is provided on the baffle 105;

[0072] The moving component is disposed on the moving plate 101, and is used to move the position of the frame 104 when the moving plate 101 moves to the first preset position, and the frame 104 leaves the baffle 105. When the moving plate 101 moves to the second preset position, the position of the baffle 105 can be reciprocated, and the frame 104 can rotate the baffle 105 and the wiping cloth 106 on the baffle 105 when it moves to the preset position;

[0073] By setting the movable plate 101, when in use, the user can move the position of the movable plate 101 to move the movable plate 101 and the face recognition device 103 on the movable plate 101, and the face recognition device 103 gradually approaches the user's face. When the movable plate 101 moves to the first preset position, the frame 104 can move and leave the baffle 105. When the frame 104 moves to the preset position, the baffle 105 can be rotated. The baffle 105 rotates ninety degrees, and the camera on the face recognition device 103 can be exposed. The camera can identify the user through the channel between the baffles 105 and the baffle 105. By setting the baffle 105 with a smaller thickness, the user can also view the information displayed on the display screen of the face recognition device 103 through the channel. Moreover, after rotating ninety degrees, the baffle 105 is directly facing the user. For the face recognition device 103 in a cluttered environment, it can also block others from viewing the important information displayed on the display screen of the face recognition device 103, thereby playing a peeping effect. When the baffle 105 moves to the second preset position, the position of the baffle 105 can be moved back and forth. When the baffle 105 rotates ninety degrees, the wiping cloth 106 set on the baffle 105 can contact the face recognition device 103. When the baffle 105 moves, the display screen and the camera lens of the face recognition device 103 can be wiped to remove the dust that affects the camera. At the same time, after the multiple baffles 105 are rotated, the horizontal light beams around the face recognition device 103 can be blocked to prevent the external light source from directly irradiating the camera. In the initial state, the set frame 104 and baffle 105 can form a half box body covering the face recognition device 103, which can block external dust, solves the problem that the interference caused by external light directly hitting the camera in the prior art often leads to the failure of face recognition, and the important information of the user will be recognized on the face recognition instrument, and for the camera exposed to the outside and dusty, the accuracy of face verification is reduced during recognition, which can also lead to the problem of face recognition failure.

[0074] As a further solution of the present invention, the frame 104 includes two first rods 200 and two second rods 201, the two first rods 200 are respectively located on the left and right sides of the face recognition device 103, and the two second rods 201 are respectively located on the upper and lower sides of the face recognition device 103, and one side of the movable plate 101 is provided with a first groove 202 slidably connected to the first rod 200 and a second groove 203 slidably connected to the second rod 201, a first elastic member 204 is connected between the first rod 200 and the first groove 202, a second elastic member 205 is connected between the second rod 201 and the second groove 203, a first connecting rod 206 is connected to one side of the first rod 200, one end of the first connecting rod 206 is rotatably connected to the second connecting rod 207, one end of the second connecting rod 207 is slidably connected to the third connecting rod 208 rotatably connected to the second rod 201, and a third elastic member 209 is connected between the second connecting rod 207 and the third connecting rod 208;

[0075] By setting the first rod 200 and the second rod 201, the first elastic member 204 and the second elastic member 205 are potential energy devices in the initial state, and the elastic member can be a spring in a stretched state. When the position of the first rod 200 remains stationary, the first rod 200 can limit the position of the second rod 201 through the first connecting rod 206, the second connecting rod 207 and the third connecting rod 208. When the two first rods 200 move away from each other due to the force of the first elastic member 204, the second rod 201 moves synchronously due to the force of the second elastic member 205 until the second connecting rod 207 is perpendicular to the first connecting rod 206 by ninety degrees. The length of the first elastic member 204 is greater than that of the second elastic member 205, and the moving distance of the first rod 200 is greater than that of the second rod 201.

[0076] As a further solution of the present invention, the moving component includes a bracket 300 slidably connected to the top and bottom of the moving plate 101, the top and bottom of the baffle 105 are respectively connected to the first rotating rod 301, the first rotating rod 301 is fixedly sleeved with a first gear 302, the bracket 300 is slidably connected to a first rack 303 meshing with the first gear 302, the first rack 303 is located on one side of one of the first rods 200, and there is a preset distance between the first rack 303 and the first rod 200, a side opening 304 is opened on one side of the moving plate 101, a positioning plate 305 slidably connected to the side opening 304 is connected to one side of the fixed plate 102, and a top contact plate 306 is connected to one side of the first rod 200;

[0077] By setting the positioning plate 305, in the initial state, the positioning plate 305 contacts the top contact plate 306, and the first elastic member 204 and the second elastic member 205 are in a stretched state. When the movable plate 101 moves, the top contact plate 306 gradually leaves the positioning plate 305. When the top contact plate 306 leaves the positioning plate 305, the first rod 200 is no longer restricted from moving by the force of the first elastic member 204. After the first rod 200 and the second rod 201 move away from the baffle 105, since the length of the first elastic member 204 is greater than that of the second elastic member 205, the first rod 200 continues to move, contacts the rack and drives the rack to move. At this time, the baffle 105 can be rotated. The first rod 200 and the second rod 201 are moved first and then the baffle 105 is rotated, which can avoid the problem that the baffle 105 cannot be rotated due to position restriction.

[0078] As a further solution of the present invention, a cavity 400 is provided inside the baffle 105, a second rotating rod 401 is rotatably connected in the cavity 400, storage cavities 402 communicating with the cavity 400 are provided on both sides of the baffle 105, a portion of the wiping cloth 106 is located in the cavity 400, and a portion is located in the storage cavity 402, a plurality of limit shafts 403 are rotatably connected in the cavity 400, the limit shafts 403 limit the position of the wiping cloth 106 so that the wiping cloth 106 contacts the second rotating rod 401, the second rotating rod 401 passes through the baffle 105 and the first rotating rod 301 and is connected to a second gear 404, a second rack 405 meshing with the second gear 404 is slidably connected to the bracket 300, the second rack 405 is located at the top of the first rack 303, one end of the second rack 405 is located on one side of another first rod 200, and has a preset spacing with the first rod 200;

[0079] By setting the second rack 405, when the first rod 200 moves away from the baffle 105, it continues to move and can contact the second rack 405, and drive the second rack 405 to move. The second rack 405 moves through the second gear 404 to rotate the second rotating rod 401. The rotation of the second rotating rod 401 can rotate the wiping cloth 106 through friction, and the position of the wiping cloth 106 in the storage cavity 402 can be changed, so that a part of the wiping cloth 106 that has not wiped the face recognition device 103 is in the storage cavity 402 to wipe the face recognition instrument. At the same time, the channel between the storage cavity 402 and the cavity 400 for the wiping cloth 106 to rotate can be used to scrape off the dust on the wiping cloth 106.

[0080] As a further solution of the present invention, a ratchet mechanism 406 is provided between the second rotating rod 401 and the second gear 404;

[0081] By providing the ratchet mechanism 406 , it can be ensured that the second rotating rod 401 can only rotate in one direction, thereby preventing the wiping cloth 106 from wiping a part of the face recognition device 103 and rotating again to be recovered into the receiving cavity 402 .

[0082] As a further solution of the present invention, a support plate 407 is slidably connected in the storage chamber 402, a roller 408 is connected to one side of the support plate 407, a part of the wiping cloth 106 is sleeved on the roller 408, and a fourth elastic member 409 is connected between the support plate 407 and the storage chamber 402;

[0083] By setting the fourth elastic member 409, the fourth elastic member 409 can allow the roller 408 to support the wiping cloth 106, so that when the baffle 105 rotates, the wiping cloth 106 can contact the face display device without damaging the face display device, and at the same time, it can also make up for the gap between each adjacent baffle 105 in the initial state, thereby preventing dust from entering the frame 104 through the gap between the baffles 105.

[0084] As a further solution of the present invention, a support block 500 is connected to one side of the movable plate 101, a reciprocating screw 501 is rotatably connected to the support block 500, a movable block 502 connected to the bracket 300 is threadedly connected to the reciprocating screw 501, a third rack 503 is connected to one side of the positioning plate 305, a third gear 504 meshing with the third rack 503 is rotatably connected to one side of the movable plate 101, and a chain 505 is connected between the third gear 504 and the reciprocating screw 501;

[0085] By setting the third gear 504, when the movable plate 101 moves, the third gear 504 follows the movement, and when the third gear 504 moves to a preset position, it can mesh with the third gear 504. As the movable plate 101 continues to move, the third gear 504 can rotate. The rotation of the third gear 504 can rotate the reciprocating screw rod 501 through the chain 505. The rotation of the reciprocating screw rod 501 can move the bracket 300 through the force of the thread, so that the bracket 300 can be moved back and forth left and right and the baffle 105 can be driven to move and wipe the face recognition device 103 through the first rotating rod 301.

[0086] As a further solution of the present invention, a support rod 506 is slidably connected to the top of the movable plate 101, a fifth elastic member 507 is connected between the support rod 506 and the movable plate 101, the first rack 303 and the second rack 405 are slidably connected to the support rod 506, a sixth elastic member 508 is respectively connected between the first rack 303 and the support rod 506, and between the second rack 405 and the support rod 506, and a lifting groove 509 is respectively opened at the top and bottom of the positioning plate 305, and one end of the support rod 506 is in the lifting groove 509;

[0087] By setting the lifting groove 509, when the movable plate 101 moves on the positioning plate 305, the support rod 506 moves with the movable plate 101, and the support rod 506 slides along the trajectory of the lifting groove 509. After the baffle 105 rotates ninety degrees, the support rod 506 is restricted by the lifting groove 509 to move, so that the support rod 506 moves away from the movable plate 101. The movement of the support rod 506 can drive the first rack 303 and the second rack 405 to move, so that the first rack 303 and the second rack 405 leave the first gear 302 and the second gear 404, thereby avoiding the problem of rotation caused by the restriction of the first rack 303 when the baffle 105 moves back and forth.

[0088] As a further solution of the present invention, a limiting rod 510 is connected to one side of the support block 500, and a limiting frame 511 is slidably connected to the limiting rod 510. A positioning hole 512 is formed on the top of the limiting frame 511 to be sleeved with the first rotating rod 301. A rubber pad 513 is sleeved in the positioning hole 512. The diameter of the rubber pad 513 is larger than the diameter of the first rotating rod 301. A seventh elastic member 514 is connected between the limiting frame 511 and the support block 500.

[0089] By setting the seventh elastic member 514, when the bracket 300 drives the baffle 105 to move through the first rotating rod 301, the first rotating rod 301 can contact the rubber pad 513. The movement of the first rotating rod 301 can drive the limiting frame 511 to move through the positioning port 512, and allow the seventh elastic member 514 to be compressed or stretched to generate potential energy. At this time, the first rotating rod 301 can squeeze the rubber pad 513, and the rubber pad 513 can limit the first rotating rod 301 by friction, thereby avoiding the friction between the wiping cloth 106 and the face recognition device 103 when the baffle 105 moves, which may force the baffle 105 to rotate and affect the dust removal effect of the wiping cloth 106.

[0090] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A foreign currency exchange system based on digital RMB business, characterized by: include: Self-service terminal with operation panel; A digital RMB exchange module, used to exchange account balances into foreign currency notes from digital RMB operating institutions; A digital RMB wallet, whose card insertion part extends out of the self-service terminal, is used to issue and recycle digital RMB wallets and confirm the balance of digital RMB wallets, and the digital RMB wallet includes a bank card; A password input unit, used for the user to input the password of the digital RMB wallet; A face recognition unit, which takes a photo of the user to collect the user's image information and compares it with the RMB wallet holder; A foreign currency storage module, whose foreign currency output end extends out of the self-service end, wherein the foreign currency storage module is preset with a plurality of foreign currency packages of different currencies, each of which contains at least one foreign currency of the same currency; Transaction processing module, used to process user transaction operations; The bank server module is connected to the transaction processing module, foreign currency storage module, password input unit, digital RMB wallet, digital RMB exchange module and face recognition unit, and is configured so that the password input unit confirms the password entered by the user, and if the password is correct, an instruction is sent to the face recognition unit to further confirm the user's information. The confirmed information is sent to the bank server module, and the operation panel displays a foreign currency cash withdrawal confirmation request. After the bank server module receives the foreign currency cash withdrawal confirmation instruction, the digital RMB exchange module calculates the current exchange rate between RMB and the specified foreign currency, and the foreign currency storage module outputs the foreign currency cash to the self-service terminal.

2. An exchange machine, characterized in that: The face recognition unit includes: A movable plate and a fixed plate, wherein the fixed plate is arranged on the self-service end, the movable plate is arranged on the top of the fixed plate, and a face recognition device is arranged on one side of the movable plate; A frame, disposed on one side of the movable plate, surrounding the face recognition device; A plurality of baffles are arranged on one side of the frame, and the plurality of baffles shield the frame; A wiping cloth, arranged on the baffle; A moving component is arranged on the moving plate, and is used to move the position of the frame when the moving plate moves to a first preset position, and the frame leaves the baffle. When the moving plate moves to a second preset position, the position of the baffle can be reciprocated, and the frame can rotate the baffle and the wiping cloth on the baffle when it moves to the preset position.

3. A money exchange machine according to claim 2, characterized in that: The frame includes two first rods and two second rods, the two first rods are respectively located on the left and right sides of the face recognition device, and the two second rods are respectively located on the upper and lower sides of the face recognition device, one side of the movable plate is provided with a first groove slidably connected to the first rod and a second groove slidably connected to the second rod, a first elastic member is connected between the first rod and the first groove, a second elastic member is connected between the second rod and the second groove, a first connecting rod is connected to one side of the first rod, one end of the first connecting rod is rotatably connected to the second connecting rod, one end of the second connecting rod is slidably connected to the third connecting rod rotatably connected to the second rod, and a third elastic member is connected between the second connecting rod and the third connecting rod.

4. A money exchange machine according to claim 2, characterized in that: The movable component includes a bracket slidably connected to the top and bottom of the movable plate, the top and bottom of the baffle are respectively connected to a first rotating rod, a first gear is fixedly sleeved on the first rotating rod, a first rack meshing with the first gear is slidably connected to the bracket, the first rack is located on one side of one of the first rods, and a preset distance is provided between the first rack and the first rod, a side opening is opened on one side of the movable plate, a positioning plate slidably connected to the side opening is connected to one side of the fixed plate, and a top touch plate is connected to one side of the first rod.

5. A money exchange machine according to claim 4, characterized in that: A cavity is defined inside the baffle, a second rotating rod is rotatably connected in the cavity, storage cavities communicating with the cavity are defined on both sides of the baffle, a portion of the wiping cloth is located in the cavity, and a portion of the wiping cloth is located in the storage cavity, a plurality of limit shafts are rotatably connected in the cavity, the limit shafts limit the position of the wiping cloth so that the wiping cloth contacts the second rotating rod, the second rotating rod passes through the baffle and the first rotating rod and is connected to a second gear, a second rack meshing with the second gear is slidably connected to the bracket, the second rack is located at the top of the first rack, one end of the second rack is located on one side of the other first rod, and has a preset spacing with the first rod.

6. A money exchange machine according to claim 5, characterized in that: A ratchet mechanism is provided between the second rotating rod and the second gear.

7. The exchange machine according to claim 5, characterized in that: A support plate is slidably connected in the storage cavity, a roller is connected to one side of the support plate, a part of the wiping cloth is sleeved on the roller, and a fourth elastic member is connected between the support plate and the storage cavity.

8. The exchange machine according to claim 4, characterized in that: A support block is connected to one side of the movable plate, a reciprocating screw is rotatably connected to the support block, a movable block connected to the bracket is threadedly connected to the reciprocating screw, a third rack is connected to one side of the positioning plate, a third gear meshing with the third rack is rotatably connected to one side of the movable plate, and a chain is connected between the third gear and the reciprocating screw.

9. The exchange machine according to claim 4, characterized in that: The top of the movable plate is slidably connected to a support rod, a fifth elastic member is connected between the support rod and the movable plate, the first rack and the second rack are slidably connected to the support rod, a sixth elastic member is respectively connected between the first rack and the support rod, and between the second rack and the support rod, the top and bottom of the positioning plate are respectively provided with lifting grooves, and one end of the support rod is in the lifting groove.

10. The exchange machine according to claim 8, characterized in that: One side of the support block is connected to a limiting rod, and the limiting rod is slidably connected to a limiting frame. The top of the limiting frame is provided with a positioning opening for sleeved with the first rotating rod, and a rubber pad is sleeved in the positioning opening. The diameter of the rubber pad is larger than the diameter of the first rotating rod, and a seventh elastic member is connected between the limiting frame and the support block.

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