CN107204084B - POS framework and mode for completing authentication aspects of merchants, equipment and customers - Google Patents
POS framework and mode for completing authentication aspects of merchants, equipment and customers Download PDFInfo
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- CN107204084B CN107204084B CN201710257307.3A CN201710257307A CN107204084B CN 107204084 B CN107204084 B CN 107204084B CN 201710257307 A CN201710257307 A CN 201710257307A CN 107204084 B CN107204084 B CN 107204084B
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
- G07G1/00—Cash registers
- G07G1/12—Cash registers electronically operated
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/08—Payment architectures
- G06Q20/20—Point-of-sale [POS] network systems
- G06Q20/206—Point-of-sale [POS] network systems comprising security or operator identification provisions, e.g. password entry
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Abstract
The invention discloses a POS framework and a mode for finishing authentication of merchants, equipment and customers, which are characterized in that an NFC mobile phone is started to operate a mobile phone App for reading and authenticating so as to open a login account and a password with an input interface for inputting a user; and receiving a verification result from the authentication server; wherein the private key is generated by a Public Key Infrastructure (PKI) system; the mode is combined, and the defects that in the prior art, a server which is difficult to restore the whole returns response information, the amount of redundant parts of subframes for sending the encrypted user name and the encrypted account number is large, the signal energy for sending the encrypted user name and the encrypted account number is insufficient, and external liquid is introduced into the main control cabinet through a long and narrow through hole, so that the authentication server in the main control cabinet is burnt out, the response efficiency of the bronze wire is not high, the protection performance of the bronze wire is not good, the execution is not smooth, and the alarm performance is avoided.
Description
Technical Field
The invention relates to the technical field of POS, in particular to a POS framework and a POS mode for finishing the authentication of merchants, equipment and customers.
Background
On the equipment level, the NFC mobile phone has the advantage of very high hardware cost compared with a special POS terminal, and through the implementation of the item, the special equipment with the POS function can be formed only by installing a special program on the mobile phone with the NFC function. Secondly, the function of consuming POS through the NFC mobile phone can fundamentally reduce the cost of manpower and material resources for arranging special equipment, and the arrangement of a special line is omitted by means of a convenient and efficient mobile 4G network.
Therefore, functions of a POS machine based on NFC mobile phone terminal simulation and account packaging consumption are achieved, the POS machine comprises a client program capable of achieving the online consumption function of the account packaging, and PKI identification verification is carried out on a user card in the consumption process.
However, in the process of implementing PKI identity authentication, an encrypted user name and an encrypted account number are often sent to a server for authentication through an NFC mobile phone, and the server returns response information after authentication.
In addition, the authentication server is often arranged in the main control cabinet, the main control cabinet is often erected in an open field, so that the problem exists, specifically, as the outer wall of the main control cabinet is made of a metal composite material, the main control cabinet is erected in the open field, the outer wall of the main control cabinet is often corroded and damaged in a long working period, a long and narrow through hole is often formed under the condition that the outer wall of the main control cabinet is corroded and damaged, external liquid is led into the main control cabinet through the long and narrow through hole, and the risk that the authentication server in the main control cabinet is burnt out is caused. And the glass bronze wire is often used to current protective structure, but the reply efficiency of glass bronze wire is not high, and the protectiveness of glass bronze wire is not good, carries out not smooth and easy, prevents that the liquid flow ability is not good, do not have the alarming performance.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a POS architecture and a control mode for completing authentication of merchants, equipment and customers, and avoid the defects that in the prior art, a server which is difficult to restore the whole returns response information, the amount of redundant parts of sub-frames for sending encrypted user names and account numbers is large, the signal energy for sending the encrypted user names and account numbers is insufficient, and external liquid is introduced into a main control cabinet through a long and narrow through hole, so that the authentication server in the main control cabinet is burnt out, the reply efficiency of a bronze wire is not high, the protection performance of the bronze wire is not good, the execution is not smooth, and the alarm performance is not good.
In order to solve the technical problems, the technical solution of the invention is as follows:
a POS framework for completing authentication of merchants, equipment and customers comprises an NFC mobile phone, wherein the NFC mobile phone comprises a mobile phone App used for reading and authenticating, the NFC mobile phone is connected with an authentication server through a 4G network, and the authentication server is arranged in a master control cabinet;
the columnar hollow shell covers the main control cabinet, a through cavity communicated with the hollow interior of the columnar hollow shell is formed in the upper end face of the columnar hollow shell, the through cavity formed in the upper end face of the columnar hollow shell is covered by an upper panel, and the upper panel and the columnar hollow shell are of separable structures;
the lower wall of the upper panel extends a positioning rod towards the direction of the cylindrical hollow shell, the cylindrical hollow shell is provided with a cylindrical positioning port for the positioning rod to extend in, the outside of the cylindrical hollow shell is provided with a positioning sleeve which keeps an included angle of ninety degrees with the axis of the cylindrical positioning port, the tube cavity of the positioning sleeve is communicated with the cylindrical positioning port, a bendable positioning piece penetrates through the other end of the tube cavity from one end of the tube cavity, the bendable positioning piece is cylindrical, one end of the bendable positioning piece is a traction head, the traction head penetrates out of the tube cavity and is connected with a handle, a first ring-shaped body for the bendable positioning piece to penetrate through is arranged on the wall surface in the tube cavity in a protruding manner, and a second ring-shaped body which is positioned on one side of the first ring-shaped body close to the cylindrical positioning port is arranged on the outer wall of the bendable positioning piece in a protruding manner, a bronze wire is connected between the first ring-shaped body and the second ring-shaped body;
the handle is cylindrical, and the pipe diameter of the pipe cavity is smaller than the circular diameter of the cross section of the handle;
a separation blade between the first round body and the second round body is arranged in the tube cavity, and the size of the interval from the separation blade to the first round body is the difference value between the original length of the glass bronze wire and the maximum value of the shrinkage of the glass bronze wire when the glass bronze wire is extruded;
one end of the bendable positioning piece is a clamping head, a clamping port clamped with the clamping head of the bendable positioning piece is arranged on the positioning rod, in addition, the horizontal span of the glass bronze wire when the external acting force is zero is the original length, the clamping head of the bendable positioning piece is clamped into the clamping port under the condition that the horizontal span of the glass bronze wire is the original length, and the horizontal span of the clamping head is not larger than the maximum value of the shrinkage of the glass bronze wire when the glass bronze wire is extruded;
the upper panel comprises a plate body, wherein a ring-shaped groove is formed in the lower wall of the plate body, an elastic plastic sheet covers the groove, the periphery of the elastic plastic sheet extends into the plate body, and a confluence region is formed between the elastic plastic sheet and the plate body;
the wall of the elastic plastic sheet, which is positioned in the confluence area, is connected with a driving strip; the plate body is connected with a driving chamber opposite to the driving strip, the driving strip is inserted into the driving chamber, a driving piece is arranged at the head of the driving strip in the driving chamber, a first metal strip and a second metal strip are arranged on the wall of the driving chamber, which is inserted by the driving strip, an interval is kept between the first metal strip and the second metal strip, the driving piece is connected with a connecting strip on the side, which is shorter than the first metal strip and the second metal strip, of the driving piece, the connecting strip is used for conducting the first metal strip and the second metal strip when liquid flow gathers to the place where the elastic plastic sheet is located, the first metal strip is connected with the negative pole of an alarm, the positive pole of the alarm is connected with a battery, and the second metal strip is connected with a zero line.
The control mode of the POS architecture for completing the authentication of the merchant, the device, and the customer is specifically as follows:
starting the NFC mobile phone to operate a mobile phone App used for reading and authenticating so as to open a login account and a password with an input interface for inputting a user; encrypting a login account and a password of a user by using a private key in an intelligent card of user equipment; sending the encrypted login account and the encrypted password of the user to an authentication server; and receiving a verification result from the authentication server; wherein the private key is generated by a public key infrastructure, PKI, system;
and additionally, the encrypted login account and password of the user are sent to a server by decomposing the encrypted login account and password of the user into subframes, and the subframes are organized in a manner that the following steps are included:
1-1: selecting the time length and the frequency width for sending the sub-frame according to given conditions;
1-2: performing classification and serialization work on the subframes according to the duration and the bandwidth to obtain classification information and serialization information of the subframes;
1-3: and selecting an optimal receiving period according to the classification information and the serialization information of the sub-frames to obtain sub-frame organization information.
Compared with the prior art, the structure of the invention has the advantages that:
the method has the advantages that the whole server can be recovered simply to return response information, the redundant part of the subframe for sending the encrypted user name and the encrypted account number is small, and the signal energy for sending the encrypted user name and the encrypted account number is sufficient. The main control cabinet is protected; the upper panel M2 and the cylindrical hollow shell M1 are separable structures, so that the upper panel and the cylindrical hollow shell are separated; a positioning rod M21 extends from the lower wall of the upper panel M2 towards the direction of a cylindrical hollow shell M1, and a cylindrical positioning opening M11 for the positioning rod M21 to extend is formed in the cylindrical hollow shell M1, so that the top cover is fixedly connected with the box body when in use; the outer wall of the flexible positioning piece M13 is convexly provided with a second ring-shaped body M15 which is positioned at one side of the first ring-shaped body M14 close to the cylindrical positioning opening M11, a bronze wire M16 is connected between the first ring-shaped body M14 and the second ring-shaped body M15, and when the upper panel M2 is replaced, a handle can be pulled, so that the clamping head of the flexible positioning piece M13 is separated from the clamping opening, and the separation is realized, and the convenience and the rapidness are realized. After the handle M18 is released, the handle M18 moves towards the positioning sleeve M12 under the reversing force of the bronze wire M16, the bronze wire M16 stops the shaking of the front bronze wire M16, the handle M18 reduces the extension span of the bronze wire M16 when the bronze wire M16 shakes, and the efficiency of returning the bronze wire M16 to the original length is improved. Under the effect of separation blade M17, the motion of second circle body M15 when the glass bronze wire M16 received the maximum value of its shrinkage of extrusion has been obstructed, has protected glass bronze wire M16, has increased glass bronze wire M16's duty cycle. The second ring-shaped body M15 reaches the place where the card connector is put out after the stop piece M17, which ensures that the covering process of the upper panel M2 of the upper end surface of the cylindrical hollow housing M1 is smoothly performed; in addition, when the handle is pulled, the snap joint is also released after the second ring body M15 moves to the stop piece M17, thereby ensuring smooth execution of renewing the upper panel. When the upper panel M2 is slit during use, the structure of the elastic plastic sheet M23 prevents external liquid from seeping into the main control cabinet, and the problem that the authentication server is burnt out is avoided. When the liquid flow on the elastic plastic sheet M23 gathers to a certain extent, it is unsafe that the liquid flow is guided into the main control cabinet, so that the driving strip M31, the driving chamber M24, the driving member M32, the first metal strip M33 and the second metal strip M34 are utilized, the connecting strip conducts the first metal strip M33 and the second metal strip M34 when the liquid flow gathers at the place where the elastic plastic sheet M23 is, so that the first metal strip M33 and the second metal strip M34 are conducted, and the alarm is conducted to emit a sound, thereby informing the upper panel M2 to be updated.
Drawings
Fig. 1 is a schematic structural diagram of the POS architecture for accomplishing the authentication aspects of the merchant, equipment, and customer.
Fig. 2 is an external structural schematic diagram of the main control cabinet.
Fig. 3 is a partial structural schematic diagram of the main control cabinet.
Fig. 4 is a schematic view of the connection of the elastic plastic sheet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 4, the POS architecture for completing authentication of merchants, devices, and customers includes an NFC mobile phone, where the NFC mobile phone includes a mobile phone App for reading and authenticating, the NFC mobile phone is connected to an authentication server through a 4G network, and the authentication server is disposed in a main control cabinet;
the main control cabinet is covered by a columnar hollow shell M1, a through cavity communicated with the hollow interior of the columnar hollow shell M1 is formed in the upper end face of the columnar hollow shell M1, the through cavity formed in the upper end face of the columnar hollow shell M1 is covered by an upper panel M2, and the upper panel M2 and the columnar hollow shell M1 are of separable structures;
a positioning rod M21 extends from the lower wall of the upper panel M2 towards the direction of a cylindrical hollow housing M1, a cylindrical positioning opening M11 for the positioning rod M21 to extend into is formed on the cylindrical hollow housing M1, a positioning sleeve M12 which forms an included angle of ninety degrees with the axis of the cylindrical positioning opening M11 is arranged outside the cylindrical hollow housing M1, a lumen M121 of the positioning sleeve M12 is communicated with the cylindrical positioning opening M11, a flexible positioning member M13 penetrates through the other end of the lumen M121 from one end of the lumen M121, the flexible positioning member M12 is cylindrical, one end of the flexible positioning member M13 is a traction head which penetrates through the lumen M121 and is connected with a handle M18, a first ring M14 for the flexible positioning member M13 to penetrate through is arranged on the wall surface of the lumen M121, and a second ring M15 which is arranged on the outer wall of the flexible positioning member M13 and is close to the first ring M11 of the cylindrical positioning member M14, a bronze wire M16 is connected between the first ring-shaped body M14 and the second ring-shaped body M15;
the handle M18 is cylindrical, and the pipe diameter of the pipe cavity M121 is smaller than the circular diameter of the cross section of the handle M18;
a separation sheet M17 positioned between the first ring-shaped body M14 and the second ring-shaped body M15 is arranged in the lumen M121, and the size of the interval between the separation sheet M17 and the first ring-shaped body M14 is the difference value between the original length of the hyaluronic acid M16 and the maximum value of the shrinkage of the hyaluronic acid M16 when the hyaluronic acid is extruded;
one end of the bendable and stretchable positioning piece M13 is a clamping head, a clamping interface M211 clamped with the clamping head of the bendable and stretchable positioning piece M13 is arranged on the positioning rod M21, in addition, the horizontal span of the glass bronze wire M16 when the external acting force is zero is the original length, the clamping head of the bendable and stretchable positioning piece M13 is clamped into the clamping interface M211 under the condition that the horizontal span of the glass bronze wire M16 is the original length, and the horizontal span of the clamping head is not more than the maximum value of the shrinkage of the glass bronze wire M16 when the glass bronze wire M16 is extruded;
the upper panel M2 includes a plate M22, a ring-shaped channel M221 is provided on the lower wall of the plate M22, an elastic plastic sheet M23 covers the channel M221, the periphery of the elastic plastic sheet M23 extends into the plate M22, and a confluence region M222 is formed between the elastic plastic sheet M23 and the plate M22;
the elastic plastic sheet M23 is connected with the driving strips M31 on the wall inside the confluence region M222; a driving chamber M24 opposite to the driving strip M31 is connected to the plate body M22, the driving strip M31 is inserted into the driving chamber M24, a driving member M32 is arranged at the head of the driving strip M31 in the driving chamber M24, a wall of the driving chamber M24, which is inserted into the driving strip M31, is provided with a first metal strip M33 and a second metal strip M34, a space is maintained between the first metal strip M33 and the second metal strip M34, a connecting strip is connected to the shorter side of the driving member M32 from the first metal strip M33 and the second metal strip M34, the connecting strip is used for conducting the first metal strip M33 and the second metal strip M34 when liquid flow gathers at the place where the elastic plastic sheet M23 is located, the first metal strip M33 is connected to the negative pole of the alarm M35, the positive pole of the alarm M35 is connected to the battery M33, and the second metal strip M33 is connected to the zero line.
The working principle of the invention is that under the general condition, the positioning rod M21 of the upper panel M2 extends into the cylindrical positioning port M11, the bronze copper wire M16 is in the original length state, the clamping joint of the bendable positioning piece M13 is positioned in the clamping port M211, so that the combination between the cylindrical hollow shell M1 and the upper panel M2 is stable, the separation between the upper panel and the cylindrical hollow shell M1 caused by shaking is avoided, when the upper panel M2 cracks, the handle is pulled when the upper panel M2 is replaced, the bronze copper wire is extruded, the clamping joint of the bendable positioning piece M13 is separated from the clamping port M211, the positioning rod M21 is released, and the upper panel M2 is separated from the cylindrical hollow shell M1; after another upper panel M2 is replaced, the positioning rod M21 of the other upper panel is stretched into the cylindrical positioning port M11, the handle is released, and under the action of the bronze copper wire M16, the clamping joint of the bendable positioning piece M13 is clamped with the clamping port M211, so that tight combination can be realized. After the handle M18 is released, the handle M18 moves towards the positioning sleeve M12 under the reversing force of the bronze wire M16, the bronze wire M16 stops the shaking of the front bronze wire M16, the handle M18 reduces the extension span of the bronze wire M16 when the bronze wire M16 shakes, and the efficiency of returning the bronze wire M16 to the original length is improved. Under the effect of separation blade M17, the motion of second circle body M15 when the glass bronze wire M16 received the maximum value of its shrinkage of extrusion has been obstructed, has protected glass bronze wire M16, has increased glass bronze wire M16's duty cycle. The second ring-shaped body M15 reaches the place where the card connector is put out after the stop piece M17, which ensures that the covering process of the upper panel M2 of the upper end surface of the cylindrical hollow housing M1 is smoothly performed; in addition, when the handle is pulled, the snap joint is also released after the second ring body M15 moves to the stop piece M17, thereby ensuring smooth execution of renewing the upper panel. When the upper panel M2 is slit during use, the structure of the elastic plastic sheet M23 prevents external liquid from seeping into the main control cabinet, and the problem that the authentication server is burnt out is avoided. When the liquid flow on the elastic plastic sheet M23 gathers to a certain extent, it is unsafe that the liquid flow is guided into the main control cabinet, so that the driving strip M31, the driving chamber M24, the driving member M32, the first metal strip M33 and the second metal strip M34 are utilized, the connecting strip conducts the first metal strip M33 and the second metal strip M34 when the liquid flow gathers at the place where the elastic plastic sheet M23 is, so that the first metal strip M33 and the second metal strip M34 are conducted, and the alarm is conducted to emit a sound, thereby informing the upper panel M2 to be updated.
The control mode of the POS architecture for completing the authentication of the merchant, the device, and the customer is specifically as follows:
starting the NFC mobile phone to operate a mobile phone App used for reading and authenticating so as to open a login account and a password with an input interface for inputting a user; encrypting a login account and a password of a user by using a private key in an intelligent card of user equipment; sending the encrypted login account and the encrypted password of the user to an authentication server; and receiving a verification result from the authentication server; wherein the private key is generated by a public key infrastructure, PKI, system;
and additionally, the encrypted login account and password of the user are sent to a server by decomposing the encrypted login account and password of the user into subframes, and the subframes are organized in a manner that the following steps are included:
1-1: selecting the time length and the frequency width for sending the sub-frame according to given conditions;
1-2: performing classification and serialization work on the subframes according to the duration and the bandwidth to obtain classification information and serialization information of the subframes;
1-3: and selecting an optimal receiving period according to the classification information and the serialization information of the sub-frames to obtain sub-frame organization information.
The given conditions comprise: the minimum interval from the authentication server, the maximum energy of a signal sent by the NFC mobile phone, the maximum interval from the authentication server and the minimum interval from the authentication server, wherein the maximum interval from the authentication server can be used for effectively communicating between the NFC mobile phone and the 4G network, and the minimum interval from the authentication server can be used for effectively communicating between the NFC mobile phone and the 4G network, are identified by the 4G network.
The method for selecting the time length and the frequency width for sending the sub-frame comprises the following steps:
2-1: acquiring the bandwidth for sending the sub-frame according to the minimum interval R and the electromagnetic wave speed D of the NFC mobile phone which is identified by the 4G network and is away from the authentication server
2-2: according to the maximum interval L from the authentication server for effective communication between the NFC mobile phone and the 4G network1Minimum interval L from authentication server capable of effectively communicating with NFC mobile phone and 4G network2Obtaining a maximum period of time between receiving a verification result from the authentication server and transmitting the sub-frame
A minimum period of time spaced from the receipt of the verification result from the authentication server and the transmission of the sub-frame
2-3: time difference P between sub-frames according to different bandwidth1The time difference P between subframes of the same bandwidth as a selected pair to avoid interval aliasing2Is not more than t1And t2Maximum number of differences as a period t for transmitting one sub-framet；
2-4 according to time period t of transmitting one sub-frametReceiving a verification result from the authentication server and transmitting a minimum period t of an interval between the sub-frames2And a cycle duration P of transmitting one subframekVia the equation M x tt＜PkAnd
obtaining the number M of the transmission subframes;
2-5: according to the duration t of transmitting a subframetObtaining the time length of the transmission sub-frame according to the number M of the transmission sub-frames
Wherein d represents the repetition specific gravity of the bandwidth;
2-6: according to the bandwidth S of sending a subframe and the number M of sending subframes, via the equation
And
the middle point of the bandwidth of the E-th sub-frame and the bandwidth S of the sending sub-frame are obtained, wherein the value range of E is a natural number between 1-M.
The sum of the periods of all subframes with distinct frequency band categories is not less than the period t of transmitting one subframet。
The sum of the bandwidths of all the subframes with the different band categories is not less than the bandwidth S of transmitting one subframe.
The classifying of the subframes into separating all subframes with adjacent frequency bands from time intervals according to the duration and the bandwidth is used for ensuring that the time intervals with adjacent frequency bands do not intersect; time difference P between all sub-frames with different bandwidth1Not less than a maximum period t of time for transmitting the interval between the subframes1A minimum period t spaced from the reception of the verification result from the authentication server and the transmission of the sub-frame2The subtracted values are used to ensure that the validation result information received for subframes with the same frequency band does not intersect.
The method for performing classification and serialization on the subframe according to the duration and the bandwidth comprises the following steps:
3-1: aiming at the real number identification of the M subframes, obtaining subframes which form singular identification and even identification according to the number identification;
3-2: sending M × M/2 sub-frames in a sending duration, dividing the sub-frames into M/2 classes, wherein each class contains the same sub-frame;
3-3: dividing the first type of subframes into a first frame queue U1 and a second frame queue V2, wherein the first frame queue U1 is formed by subframes with odd numbers and the second frame queue V2 is formed by subframes with even numbers, and the first frame queue U1 and the second frame queue V2 are distributed in a sequence from small to large according to the frequency;
3-4: the subframes from the second category to the mth category are also divided into a frame queue Uw and a frame queue Vw, the frame queue Uw is obtained by shifting the first frame queue U1 by w-1 subframes towards the left, where w is the number of categories, and w is 2, 3 … M/2; each type of the data transmission system comprises the same subframes in a consistent data organization form, and the transmission duration of each subframe or the duration of receiving the verification result information is Q or 2Q.
The method for selecting the optimal receiving period is as follows:
4-1: obtaining 2 depending on each transmission duration Q or 2Q for a subframe or the duration Q or 2Q for which verification result information is receivedM/2Receiving a composition of the verification result information, wherein M is the number of the sub-frames;
4-2: setting a time point of Tot after the subframe is sent to receive the verification result, wherein the Tot ranges from Q to BQ, and BQ represents the time point of repeatedly sending the frequency of the subsequent subframe;
4-3: totalizing each piece of receiving verification result information, and acquiring the frequency X of the same subframe appearing at the time point of the Tot;
4-4 eliminating the frequency X appearing at the time of the Tot, and calculating the offset Y of the received verification result information as follows:
Y＝∑(X2-Z(X2))
wherein Z (X)2) Representing the mathematical expectation, the reception duration of the component of the reception verification result information, for which the Y value is the smallest, is obtained as the optimal reception period, thus obtaining the optimal subframe organization information.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (1)
1. A control method for completing POS architecture in the authentication aspect of merchants, equipment and customers is characterized by comprising an NFC mobile phone, wherein the NFC mobile phone comprises a mobile phone App used for reading and authenticating, and is connected with an authentication server through a 4G network; the authentication server is arranged in the main control cabinet;
the columnar hollow shell covers the main control cabinet, a through cavity communicated with the hollow interior of the columnar hollow shell is formed in the upper end face of the columnar hollow shell, the through cavity formed in the upper end face of the columnar hollow shell is covered by an upper panel, and the upper panel and the columnar hollow shell are of separable structures;
the lower wall of the upper panel extends a positioning rod towards the direction of the cylindrical hollow shell, the cylindrical hollow shell is provided with a cylindrical positioning port for the positioning rod to extend in, the outside of the cylindrical hollow shell is provided with a positioning sleeve which keeps an included angle of ninety degrees with the axis of the cylindrical positioning port, the tube cavity of the positioning sleeve is communicated with the cylindrical positioning port, a bendable positioning piece penetrates through the other end of the tube cavity from one end of the tube cavity, the bendable positioning piece is cylindrical, one end of the bendable positioning piece is a traction head, the traction head penetrates out of the tube cavity and is connected with a handle, a first ring-shaped body for the bendable positioning piece to penetrate through is arranged on the wall surface in the tube cavity in a protruding manner, and a second ring-shaped body which is positioned on one side of the first ring-shaped body close to the cylindrical positioning port is arranged on the outer wall of the bendable positioning piece in a protruding manner, a bronze wire is connected between the first ring-shaped body and the second ring-shaped body;
the handle is cylindrical, and the pipe diameter of the pipe cavity is smaller than the circular diameter of the cross section of the handle;
a separation blade between the first round body and the second round body is arranged in the tube cavity, and the size of the interval from the separation blade to the first round body is the difference value between the original length of the glass bronze wire and the maximum value of the shrinkage of the glass bronze wire when the glass bronze wire is extruded;
one end of the bendable positioning piece is a clamping head, a clamping port clamped with the clamping head of the bendable positioning piece is arranged on the positioning rod, in addition, the horizontal span of the glass bronze wire when the external acting force is zero is the original length, the clamping head of the bendable positioning piece is clamped into the clamping port under the condition that the horizontal span of the glass bronze wire is the original length, and the horizontal span of the clamping head is not larger than the maximum value of the shrinkage of the glass bronze wire when the glass bronze wire is extruded;
the upper panel comprises a plate body, wherein a ring-shaped groove is formed in the lower wall of the plate body, an elastic plastic sheet covers the groove, the periphery of the elastic plastic sheet extends into the plate body, and a confluence region is formed between the elastic plastic sheet and the plate body;
the wall of the elastic plastic sheet, which is positioned in the confluence area, is connected with a driving strip; a driving chamber opposite to the driving strip is connected to the plate body, the driving strip is inserted into the driving chamber, a driving piece is arranged at the head of the driving strip in the driving chamber, a first metal strip and a second metal strip are arranged on the wall of the driving chamber, which is inserted by the driving strip, a space is kept between the first metal strip and the second metal strip, a connecting strip is connected to the side of the driving piece, which is shorter than the first metal strip and the second metal strip, and is used for conducting the first metal strip and the second metal strip when liquid flow gathers to the place where the elastic plastic sheet is located, the first metal strip is connected with the negative electrode of an alarm, the positive electrode of the alarm is connected with a battery, and the second metal strip is connected with a zero line;
starting the NFC mobile phone to operate a mobile phone App used for reading and authenticating so as to open a login account and a password with an input interface for inputting a user; encrypting a login account and a password of a user by using a private key in an intelligent card of user equipment; sending the encrypted login account and the encrypted password of the user to an authentication server; and receiving a verification result from the authentication server; wherein the private key is generated by a public key infrastructure, PKI, system;
and additionally, the encrypted login account and password of the user are sent to a server by decomposing the encrypted login account and password of the user into subframes, and the subframes are organized in a manner that the following steps are included:
1-1: selecting the time length and the frequency width for sending the sub-frame;
1-2: performing classification and serialization work on the subframes according to the duration and the bandwidth to obtain classification information and serialization information of the subframes;
1-3: selecting an optimal receiving period according to the classification information and the serialization information of the sub-frame to obtain sub-frame organization information;
the method for selecting the time length and the frequency width for sending the sub-frame comprises the following steps:
2-1: acquiring the bandwidth for sending the sub-frame according to the minimum interval R and the electromagnetic wave speed D of the NFC mobile phone which is identified by the 4G network and is away from the authentication server
2-2: according to the maximum interval L from the authentication server for effective communication between the NFC mobile phone and the 4G network1Minimum interval L from authentication server capable of effectively communicating with NFC mobile phone and 4G network2Obtaining a maximum period of time between receiving a verification result from the authentication server and transmitting the sub-frame
A minimum period of time spaced from the receipt of the verification result from the authentication server and the transmission of the sub-frame
2-3: time difference P between sub-frames according to different bandwidth1The time difference P between subframes of the same bandwidth as a selected pair to avoid interval aliasing2Is not more than t1And t2Maximum number of differences as a period t for transmitting one sub-framet；
2-4 according to time period t of transmitting one sub-frametReceiving a verification result from the authentication server and transmitting a minimum period t of an interval between the sub-frames2And a cycle duration P of transmitting one subframekVia the equation M x tt＜PkAnd
obtaining the number M of the transmission subframes;
2-5: according to the duration t of transmitting a subframetObtaining the time length of the transmission sub-frame according to the number M of the transmission sub-frames
Wherein d represents the repetition specific gravity of the bandwidth;
2-6: according to the bandwidth S of sending a subframe and the number M of sending subframes, via the equation
And
obtaining the middle point of the bandwidth of the E-th subframe and the bandwidth s of a sending subframe, wherein the value range of E is a natural number between 1 and M;
the repetition of the bandwidth represented by d is more representative of the ratio of the same part of the sub-frame of the adjacent bandwidth to the bandwidth of the independent sub-frame;
the sum of the periods of all subframes with distinct frequency band categories is not less than the period t of transmitting one subframet；
The sum of the bandwidths of all the subframes with the different frequency band categories is not less than the bandwidth S of sending one subframe;
the classifying of the subframes into separating all subframes with adjacent frequency bands from time intervals according to the duration and the bandwidth is used for ensuring that the time intervals with adjacent frequency bands do not intersect; time difference P between all sub-frames with different bandwidth1Not less than a maximum period t of time for transmitting the interval between the subframes1A minimum period t spaced from the reception of the verification result from the authentication server and the transmission of the sub-frame2The subtracted values are used for ensuring that verification result information received aiming at the subframes with consistent frequency bands does not generate intersection;
the method for performing classification and serialization on the subframe according to the duration and the bandwidth comprises the following steps:
3-1: aiming at the real number identification of the M subframes, obtaining subframes which form singular identification and even identification according to the number identification;
3-2: sending M × M/2 sub-frames in a sending duration, dividing the sub-frames into M/2 classes, wherein each class contains the same sub-frame;
3-3: dividing the first type of subframes into a first frame queue U1 and a second frame queue V2, wherein the first frame queue U1 is formed by subframes with odd numbers and the second frame queue V2 is formed by subframes with even numbers, and the first frame queue U1 and the second frame queue V2 are distributed in a sequence from small to large according to the frequency;
3-4: the subframes from the second category to the mth category are also divided into a frame queue Uw and a frame queue Vw, the frame queue Uw is obtained by shifting the first frame queue U1 by w-1 subframes towards the left, where w is the number of categories, and w is 2, 3 … M/2; each type of the sub-frames with the same data organization form is consistent, and the sending time length of each sub-frame or the time length of receiving the verification result information is Q or 2Q;
the method for selecting the optimal receiving period is as follows:
4-1: obtaining 2 depending on each transmission duration Q or 2Q for a subframe or the duration Q or 2Q for which verification result information is receivedM/2Receiving a composition of the verification result information, wherein M is the number of the sub-frames;
4-2: setting a time point of Tot after the subframe is sent to receive the verification result, wherein the Tot ranges from Q to BQ, and BQ represents the time point of repeatedly sending the frequency of the subsequent subframe;
4-3: totalizing each piece of receiving verification result information, and acquiring the frequency X of the same subframe appearing at the time point of the Tot;
4-4 eliminating the frequency X appearing at the time of the Tot, and calculating the offset Y of the received verification result information as follows:
Y＝∑(X2-Z(X2))
wherein Z (X)2) Representing the mathematical expectation, the reception duration of the component of the reception verification result information having the smallest Y value is obtained as the optimal reception period, thus obtaining the optimal sub-frame organization information。
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