CN112308536B - Project Approval System - Google Patents
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- CN112308536B CN112308536B CN202011363855.2A CN202011363855A CN112308536B CN 112308536 B CN112308536 B CN 112308536B CN 202011363855 A CN202011363855 A CN 202011363855A CN 112308536 B CN112308536 B CN 112308536B
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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
- G06Q10/00—Administration; Management
- G06Q10/10—Office automation; Time management
- G06Q10/103—Workflow collaboration or project management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/161—Detection; Localisation; Normalisation
- G06V40/166—Detection; Localisation; Normalisation using acquisition arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
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Abstract
The application relates to the technical field of Internet, and particularly discloses an item approval system which comprises a data processing module, an information interaction module and a data transmission module, wherein the information delivery module carries out information interaction by means of a display, and the information interaction module comprises a panel operation module for executing approval submission, a fingerprint identification module arranged on a mouse and a face identification module arranged on a station; the panel operation module is integrated with an approval submitting button, the fingerprint identification module is used for verifying the identity of an approval executor, and the submitting button on the panel operation module enters a clickable state after the identity of the approval executor passes the verification of the fingerprint identification module while the mouse information passes the verification; the face recognition module is used for verifying the face information of the approval executor, after the face information of the approval executor passes the verification, the display enters a window state, otherwise, the display enters a screen protection state, and the safety of the approval process is improved through the face and fingerprint verification.
Description
Technical Field
The application relates to the technical field of Internet, in particular to a project approval system.
Background
With the deep development of the Internet, office automation, data integration, cloud computing and the like are going deep into various industries, and an intelligent, convenient and rapid service management system is strived for, and particularly, cloud computing and cloud management bring rapid and efficient management to clients of enterprises and the like, so that the management cost is saved, and the production efficiency is improved.
In the traditional office OA system for enterprises, the upper and lower official document approval operations are layer-by-layer information input, flow and approval, and the on-line submission of paper for approval is often required, so that the working efficiency is greatly affected. However, if an online approval system is adopted, false approval is easy to occur because approval is not submitted in the face; and the document of project approval is checked on the computer, if the computer is not encrypted and related personnel are associated, the project content is easily browsed by other people unintentionally or intentionally, so that the project loses the confidentiality, and therefore, how to improve the on-line approval confidentiality and the safety is the problem to be solved at present.
Disclosure of Invention
The application aims to provide an item approval system so as to improve the confidentiality and the security of on-line item approval.
The project approval system comprises a data processing module, an information interaction module and a data transmission module, wherein the information delivery module carries out information interaction by means of a display; the information interaction module comprises a panel operation module for executing approval submission, a fingerprint identification module arranged on a mouse and a face identification module arranged on a station;
the panel operation module is integrated with an approval submitting button, and the submitting button is clicked to execute an approval process and enter an approval state;
the fingerprint identification module is used for checking and approving the identity of the executor, and the 'submit' button on the panel operation module enters a clickable state after the identity of the approver passes the verification of the fingerprint identification module when the mouse information passes the verification;
the face recognition module is used for verifying the face information of the approval executor, the face recognition module faces the same direction with the display, the face recognition module refreshes the face information every 20-60s, after the face information of the approval executor passes verification, the display enters a window state, and otherwise, the display enters a screen protection state.
The beneficial effect of this scheme lies in:
the information interaction module of the project approval system integrates a fingerprint identification module and a face identification module, and the computer is encrypted through the fingerprint identification module and the face identification module.
Firstly, after a project approval system is started, firstly checking mouse information, and recording the mouse information in the system when the mouse information is accessed into a computer and fingerprint information of personnel to which the computer belongs is recorded, so that the mouse is prevented from being replaced randomly; when an operator submits approval, the operator can click on a submit button on the panel operation module after the identity is approved through the mouse information and the fingerprint identification module, so that the irrelevant personnel is prevented from submitting the approval at will or passing the approval, and the safety of the approval process is improved;
secondly, because clicking and other operations in the computer program are operated through the mouse, the fingerprint identification module is arranged on the mouse, and clicking operations can be simultaneously carried out while fingerprint identification is carried out, so that the convenience of operation is improved;
thirdly, in the process of using the project approval system, the face recognition module regularly refreshes the face information, and when the face information is not matched, the display enters a screen protection state; because a plurality of key information is archived and recorded in the system, other people can be prevented from browsing related information by arranging the face recognition module, namely, only a computer owner can browse related information, thereby improving the privacy and the safety of the system.
The first preferred scheme is as follows: as a further optimization of the basic scheme, the fingerprint identification module is arranged on the left side face of the mouse. When the mouse is operated, the index finger and the middle finger are mainly used for executing clicking operation, the thumb is positioned on the left side face of the mouse, and the ring finger and the little finger are positioned on the right side face of the mouse, so that the mouse is positioned, and the fingerprint of the thumb is just opposite to the left side face of the mouse, so that the fingerprint identification module is arranged on the left side face of the mouse, fingerprint identification is facilitated, and meanwhile, the holding mode of the mouse is not changed.
And a second preferred scheme is as follows: as a further optimization of the first preferred aspect, the face recognition module is arranged below the display, and the face recognition module is detachably connected to the station desktop. When an operator uses a computer, the face of the operator is usually aimed at the display, and the face recognition module is arranged below the display, so that the face recognition module can be directly fixed on a station, the installation stability of the face recognition module is improved, and meanwhile, the face recognition module is convenient to capture face information.
And a preferred scheme III: as a further optimization of the second preferred scheme, the face recognition module comprises a seat body, a channel arranged on the seat body and along the longitudinal direction of the tabletop, a face recognition part arranged at the front end of the seat body and a driving part arranged at the rear end of the seat body; the front end of the channel is connected with a sliding block in a sliding way, the front end of the sliding block is provided with a slideway along the vertical direction, a blocking cover is arranged in the slideway, a pressure spring which is propped against the blocking cover is arranged above the blocking cover, and after the front end of the sliding block extends out of the channel, the blocking cover extends out of the slideway under the action of the pressure spring and covers the face recognition part; the driving part comprises a stepping motor fixed on the seat body, and a crank connected with an output shaft of the stepping motor through a first torsion limiter, wherein the crank and the sliding block are connected into a crank sliding block mechanism; the output shaft of the stepping motor is connected with a winder, a pull wire is wound on the winder, a pull wire perforation is arranged in the sliding block, and one end of the pull wire penetrates through the pull wire perforation and is fixed with the baffle cover.
In the third preferred scheme, after the power switch of the computer is pressed, the stepping motor rotates positively, and the stepping motor is connected with the sliding block through the crank sliding block, so that the stepping motor rotates to drive the sliding block to slide in the channel, and the sliding block can extend out of the channel and retract into the channel. In addition, a first pressure control switch and a second pressure control switch are arranged on the side wall of the channel, when the sliding block extends out of the channel and reaches the limit position, the sliding block presses the first pressure control switch, and then the first pressure control switch controls the stepping motor to stop running; and when the sliding block stretches out of the channel and reaches the limit position, the retaining cover pops up from the slideway under the action of the pressure spring, so that the face recognition part can be covered, and the aim of dust prevention is fulfilled.
When the computer is closed, the stepping motor rotates reversely, and the blocking cover is abutted against the base body, so that the sliding block cannot retract into the channel, and the sliding block can retract into the channel only after the blocking cover retracts into the channel. When the stepping motor is just started, the first torsion limiter is in a slipping state, the stepping motor does not drive the sliding block to retract into the channel through the crank sliding block, the winder winds the stay wire to pull the baffle cover back into the slideway, then the stepping motor transmits torsion to the crank through the first torsion limiter to drive the sliding block to slide into the channel, and when the sliding block presses the second pressure control switch, the stepping motor stops running, so that the sliding block completely retracts into the channel.
The preferable scheme is as follows: as a further optimization of the third preferred scheme, the output shaft of the stepping motor comprises a driving section and a winding section, wherein the driving section is connected with a crank, and the winding section is connected with the end part of the driving section through a one-way bearing; the winding machine is connected with the winding section through a second torsion limiter, a mounting hole with an opening facing to the inner surface is formed in the winding machine, the second torsion limiter comprises a steel ball arranged in the mounting hole and a pressure spring propped against the steel ball, a hemispherical groove is formed in the winding section, and the steel ball can be matched with the hemispherical groove; a limiting ring is arranged on the periphery of the winder, a spring is arranged between the limiting ring and the winder, and two ends of the spring are respectively fixed with the winder and the limiting ring; the pressure cavity is internally provided with a piston fixed with the sliding block, the side wall of the pressure cavity is provided with an air inlet one-way valve and an exhaust valve, the pressure cavity is internally provided with a control pressure lever, the exhaust valve is opened when the piston extrudes the control pressure lever, and the winding section is internally provided with an air pressure channel communicated with the hemispherical groove and communicated with the exhaust valve.
In the fourth preferred scheme, when the sliding block retracts into the channel, the stepping motor reverses, and the spring is twisted tightly to store energy; the piston fixed with the sliding block presses the space inside the pressure cavity, so that the pressure inside the pressure cavity is increased; before the sliding block moves to the limit position, the piston also starts to squeeze the control pressure rod, so that the exhaust valve is opened, the pressure cavity is communicated with the air pressure channel, the pressure in the air pressure channel pushes the steel ball to be separated from the hemispherical groove, namely the second torsion limiter is in a slipping state, the spring releases energy and drives the winder to release the stay wire, and therefore when the sliding block slides outwards, the stay wire cannot block the sliding block. When the stepping motor rotates positively, when the spring forms resistance to the rotation of the winder, the one-way bearing is in a disengaged state, so that the stepping motor can not drive the winding section to rotate, namely the winder can not wind the stay wire in the forward rotation process of the stepping motor.
The preferable scheme is as follows: as a further optimization of the fourth preferred scheme, one side of the baffle cover, which faces the rear end of the seat body, is provided with a mounting groove, a cleaning layer is filled in the mounting groove, a first air passage is arranged in the sliding block, and a second air passage communicated with the mounting groove is arranged in the baffle cover; when the space of the pressure cavity is in a minimum state, the first air passage and the second air passage are communicated with the pressure cavity; the sliding block is internally provided with a dust discharging channel which is communicated with the slideway, and the cleaning layer is opposite to the dust discharging channel when the baffle cover is positioned in the slideway. When the retaining cover slides out of the slideway, the cleaning layer is provided with a face recognition part for wiping, so that the surface area ash of the face recognition part is avoided; in addition, when the sliding block slides to the limiting position in the channel, the first air channel is communicated with the second air channel to communicate the pressure cavity with the installation chute, so that compressed air is blown out of the installation chute to blow down dust remained on the cleaning layer in the wiping process and discharge the dust from the dust discharge channel.
The preferable scheme is as follows: as a further optimization of the fifth preferred scheme, the side face of the blocking cover, which faces the front, is provided with an infrared sensor, and when the display is turned off, the stepping motor drives the sliding block to extend forward, so that the blocking cover blocks the face recognition part, and when the display is lightened and personnel exist in front of the infrared sensor, the stepping motor drives the sliding block to retract into the channel in a reverse rotation mode. Through the optimization of this scheme for the computer is under the condition that does not have the essence work, and face identification portion is in the state of covering all the time, thereby improves the guard action of fender lid to face identification portion.
Drawings
Fig. 1 is a cross-sectional view of a face recognition module according to an embodiment of the present application taken along the center of a channel;
fig. 2 is a cross-sectional view of a face recognition module according to an embodiment of the present application taken along the center of a pressure chamber;
FIG. 3 is a schematic view of a slider extending through a channel;
FIG. 4 is an enlarged view of portion B of FIG. 1;
fig. 5 is an enlarged view of a portion a in fig. 1.
Detailed Description
The following is a further detailed description of the embodiments:
reference numerals in the drawings of the specification include: the device comprises a base body 10, a channel 11, a sliding block 20, a stay wire perforation 21, a dust discharging channel 22, a baffle cover 23, a cleaning layer 24, a first air channel 25, a second air channel 26, an infrared sensor 27, a stepping motor 30, a driving section 31, a crank 32, a winder 33, a spring 34, an air pressure channel 35, a limiting ring 36, a winding section 37, a one-way bearing 38, a stay wire 39, a pressure cavity 40, a piston 41, a control pressure rod 42, an air inlet one-way valve 43, an air guide hole 44 and glass 51.
The project approval system comprises three main modules, namely a data processing module, an information interaction module and a data transmission module, wherein the three main modules are all supported by a computer host as hardware. The information delivery module carries out information interaction by means of the display, and the information interaction module comprises a panel operation module for executing approval submission, a fingerprint identification module arranged on the mouse and a face identification module arranged on the station.
The panel operation module is integrated with an approval submitting button, and the submitting button is clicked to execute the process of approving the project, so that the project enters an approval state; however, after authentication, the "submit" button can enter a submittable state, and the fingerprint identification module is used for authentication. The fingerprint identification module is integrated on the mouse to be convenient for carry out fingerprint collection when operating the computer, fingerprint identification module sets up in the left surface of mouse, and thumb presses on fingerprint identification module when operating the mouse, passes through the verification at fingerprint information and mouse information simultaneously, then can point down "submit" button.
The face recognition module is used for verifying the face information of the approval executor, the face recognition module is arranged on the office table and faces the same direction with the display, the face recognition module refreshes the face information once every 60 seconds, after the face information of the approval executor passes verification, the display enters a window state, or else the display enters a screen protection state, so that important projects can be prevented from being browsed by irrelevant people in detail, and confidentiality of the project contents is damaged. When an operator uses the computer, the face of the operator faces the display generally, and the face recognition module is arranged below the display and can be directly fixed on the station, so that the stability of the installation of the face recognition module is improved, and the face recognition module is also convenient to capture the face information. The face recognition module is arranged below the display and can be detached from the office table, so that the face recognition module can be replaced conveniently.
As shown in fig. 1, the face recognition module includes a housing 10, a channel 11 provided on the housing 10 in a longitudinal direction of a table top (a left-right wiring direction as viewed in fig. 1), a face recognition part provided at a front end of the housing 10, and a driving part provided at a rear end of the housing 10; the face recognition part comprises a face collection camera, as shown in fig. 1 and 5, the face collection camera is arranged in a groove at the front end of the seat body 10, and the opening of the groove is closed by glass 51 so as to prevent dust from entering the groove. The front end of the channel 11 is slidably connected with a sliding block 20, the driving part is used for driving the sliding block 20 to slide in the channel 11, and when the sliding block 20 slides rightwards to a limit position, the front end of the sliding block 20 extends out of the channel 11; when the slider 20 is slid to the left to the extreme position, the slider 20 will be completely hidden within the channel 11. The front end of the sliding block 20 is provided with a slideway along the vertical direction, a blocking cover 23 is arranged in the slideway, and when the front end of the sliding block 20 extends out of the slideway, the blocking cover 23 pops up to cover the glass 51 arranged at the opening of the groove so as to play a role in dust prevention; when the slider 20 needs to be returned to the channel 11, the cover 23 is first retracted into the slide. Specifically, a pressure spring propping against the baffle cover 23 is arranged above the baffle cover 23, after the front end of the sliding block 20 extends out of the channel 11, the baffle cover 23 downwardly extends out of the slideway under the action of the pressure spring, the upper end of the baffle cover 23 is connected with a stay wire, and the baffle cover 23 can be pulled back into the slideway by pulling the stay wire.
As shown in fig. 1, the driving part includes a stepping motor 30 fixed on the base body 10, a crank 32 connected with an output shaft of the stepping motor 30 through a first torsion limiter, the crank 32 and the sliding block 20 are connected into a crank slider mechanism, so that the sliding block 20 can be controlled to slide reciprocally in the channel 11 by controlling the rotation of the stepping motor 30; the output shaft of the stepper motor 30 comprises a driving section 31 and a winding section 37, and the crank 32 is connected with the driving section 31, specifically: the periphery cover of drive section 31 is equipped with the driving gear, and first torsion limiter sets up between driving gear and drive section 31, is equipped with three evenly distributed and along the mounting hole that radially set up on drive section 31, is equipped with three evenly distributed's hemisphere recess on the inner circle of driving gear, and first torsion limiter is including setting up pressure spring and the steel ball in the mounting hole, when steel ball and hemisphere recess are relative, in the steel ball embedding hemisphere recess to need certain torsion just can make the steel ball break away from hemisphere recess, thereby limit the size of torsion simultaneously to driving gear transmission torsion.
As shown in fig. 1, one end of the winding section 37 is connected to the end of the driving section 31 through a one-way bearing 38, and the other end of the winding section 37 is rotatably connected to the top wall of the passage 11; the wire winding section 37 is connected with a wire winder 33, a wire pulling perforation 21 is arranged in the sliding block 20, and one end of the wire pulling passes through the wire pulling perforation 21 and is wound on the wire winder 33, so that the wire winder 33 rotates to wind the wire pulling, and the effect of upwards lifting the baffle cover 23 is achieved. A second torsion limiter is arranged between the winder 33 and the winding section 37, a mounting hole with an opening facing the inner surface is arranged in the winder 33, the second torsion limiter comprises a steel ball arranged in the mounting hole and a pressure spring propped against the steel ball, a hemispherical groove is arranged on the winding section 37, the steel ball can be matched with the hemispherical groove, and the principle of the steel ball and the principle of the first torsion limiter are the same, so that torsion transmission and limitation are realized. A limiting ring 36 is arranged on the periphery of the winder 33, a spring 34 is arranged between the limiting ring 36 and the winder 33, and two ends of the spring 34 are respectively fixed with the winder 33 and the limiting ring 36 so that the spring 34 can store energy.
The stepper motor 30 rotates in the forward direction, and the stepper motor 30 will drive the slider to slide within the channel 11, allowing the slider 20 to extend out of the channel 11 and retract into the channel 11. A first pressure control switch and a second pressure control switch are arranged on the side wall of the channel 11, when the sliding block 20 extends out of the channel 11 and reaches the limit position, the sliding block 20 presses the first pressure control switch, and then the first pressure control switch controls the stepping motor 30 to stop running; and the blocking cover 23 is ejected out of the slideway under the action of the pressure spring. When the stepping motor 30 is just started, the first torsion limiter is in a slipping state, the stepping motor 30 does not drive the sliding block 20 to retract into the channel 11 through the crank 32 sliding block, the winder 33 winds the stay wire to pull the stepping motor 23 back into the slideway, and after the stepping motor 30 transmits torsion to the crank 32 through the first torsion limiter to drive the sliding block 20 to slide into the channel 11, and when the sliding block 20 presses the second pressure control switch, the stepping motor 30 stops running, so that the sliding block 20 is completely retracted into the channel 11.
As shown in fig. 2, the pressure chambers 40 are arranged in the channel 11, and the two pressure chambers 40 are symmetrically arranged along the central line of the channel 11; the pressure chamber 40 is provided with a piston 41 fixed with the sliding block 20, the side wall of the pressure chamber 40 is provided with an air inlet one-way valve 43 and an exhaust valve, the pressure chamber 40 is provided with a control pressure lever 42, the exhaust valve is opened when the piston 41 presses the control pressure lever 42, and the piston 41 presses the control pressure lever 42 before the sliding block 20 slides leftwards to the limit position because the control pressure lever 42 has a pressing stroke, namely, the exhaust valve is opened before the piston 41 reaches leftwards to the limit position. The air pressure channel 35 communicated with the hemispherical groove on the winding section 37 is arranged in the winding section 37, the air pressure channel 35 is communicated with the exhaust valve, namely, the air pressure channel 35 is in a high-pressure state before the piston 41 reaches the limit position leftwards. The pressure in the air pressure channel 35 will push the steel ball to break away from the corresponding hemispherical groove, i.e. the second torsion limiter will be in a slipping state, the spring 34 will release energy and drive the winder 33 to release the pull wire.
As shown in fig. 3 and 4, a mounting groove is provided on the rear end side of the cover 23 facing the base 10, a cleaning layer 24 is filled in the mounting groove, a first air passage 25 is provided in the sliding block 20, a second air passage 26 communicating with the mounting groove is provided in the cover 23, an air guide hole 44 is provided on the lower side wall of the pressure chamber 40, and when the piston 41 slides leftwards to a limit position, that is, when the space of the pressure chamber 40 is in a minimum state, the first air passage 25 is aligned with the air guide hole 44, and the first air passage 25 and the second air passage 26 communicate with the pressure chamber 40. A dust discharging channel 22 is arranged in the sliding block 20, the dust discharging channel 22 is communicated with the slideway, and when the baffle cover 23 is positioned in the slideway, the cleaning layer 24 is opposite to the dust discharging channel 22; therefore, when the baffle cover 23 slides out of the slideway, the cleaning layer 24 has the function of wiping the glass 51 in front of the face collecting camera, so that the surface area ash of the glass 51 is avoided; and when the sliding block 20 slides leftwards to the limit position, the first air passage 25 is communicated with the second air passage 26 to communicate the pressure cavity 40 with the mounting chute, and compressed air is blown out of the mounting chute to blow down dust remained on the cleaning layer 24 in the wiping process and discharge the dust from the dust discharge passage 22.
The starting of the stepping motor 30 of the driving part is controlled by the state of the computer host and the display, when the computer host is started, the stepping motor 30 rotates forward, and when the computer host is closed, the stepping motor 30 rotates reversely. In addition, an infrared sensor 27 is provided on the side of the barrier cover 23 facing forward, and when the display is turned off, the stepping motor 30 is rotated forward, and when the display is lighted and a person is present in front of the infrared sensor 27, the stepping motor 30 is rotated backward.
The foregoing is merely exemplary embodiments of the present application, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present application, and these should also be considered as the scope of the present application, which does not affect the effect of the implementation of the present application and the utility of the patent. The protection scope of the present application is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (6)
1. The project approval system comprises a data processing module, an information interaction module and a data transmission module, wherein the information delivery module carries out information interaction by means of a display, and is characterized in that: the information interaction module comprises a panel operation module for executing approval submission, a fingerprint identification module arranged on a mouse and a face identification module arranged on a station;
the panel operation module is integrated with an approval submitting button, and the submitting button is clicked to execute an approval process and enter an approval state;
the fingerprint identification module is used for checking and approving the identity of the executor, and the 'submit' button on the panel operation module enters a clickable state after the identity of the approver passes the verification of the fingerprint identification module when the mouse information passes the verification;
the face recognition module is used for verifying the face information of the approval executor, the face recognition module faces the same direction with the display, the face recognition module refreshes the face information once every 20-60s, after the face information of the approval executor passes the verification, the display enters a window state, and otherwise, the display enters a screen protection state;
the face recognition module comprises a seat body, a channel arranged on the seat body and longitudinally arranged along an office desktop, a face recognition part arranged at the front end of the seat body and a driving part arranged at the rear end of the seat body; the front end of the channel is connected with a sliding block in a sliding way, the front end of the sliding block is provided with a slideway along the vertical direction, a blocking cover is arranged in the slideway, a pressure spring which is propped against the blocking cover is arranged above the blocking cover, and after the front end of the sliding block extends out of the channel, the blocking cover extends out of the slideway under the action of the pressure spring and covers the face recognition part; the driving part comprises a stepping motor fixed on the seat body, and a crank connected with an output shaft of the stepping motor through a first torsion limiter, wherein the crank and the sliding block are connected into a crank sliding block mechanism; the output shaft of the stepping motor is connected with a winder, a pull wire is wound on the winder, a pull wire perforation is arranged in the sliding block, and one end of the pull wire penetrates through the pull wire perforation and is fixed with the baffle cover.
2. The project approval system of claim 1, wherein: the fingerprint identification module is arranged on the left side face of the mouse.
3. The project approval system of claim 2, wherein: the face recognition module is arranged below the display and detachably connected to the station desktop.
4. A project approval system according to claim 3, wherein: the output shaft of the stepping motor comprises a driving section and a winding section, the driving section is connected with the crank, and the winding section is connected to the end part of the driving section through a one-way bearing; the winding machine is connected with the winding section through a second torsion limiter, a mounting hole with an opening facing to the inner surface is formed in the winding machine, the second torsion limiter comprises a steel ball arranged in the mounting hole and a pressure spring propped against the steel ball, a hemispherical groove is formed in the winding section, and the steel ball can be matched with the hemispherical groove; a limiting ring is arranged on the periphery of the winder, a spring is arranged between the limiting ring and the winder, and two ends of the spring are respectively fixed with the winder and the limiting ring; the pressure cavity is internally provided with a piston fixed with the sliding block, the side wall of the pressure cavity is provided with an air inlet one-way valve and an exhaust valve, the pressure cavity is internally provided with a control pressure lever, the exhaust valve is opened when the piston extrudes the control pressure lever, and the winding section is internally provided with an air pressure channel communicated with the hemispherical groove and communicated with the exhaust valve.
5. The project approval system of claim 4, wherein: the baffle cover is provided with a mounting groove towards one side of the rear end of the seat body, a cleaning layer is filled in the mounting groove, a first air passage is arranged in the sliding block, and a second air passage communicated with the mounting groove is arranged in the baffle cover; when the space of the pressure cavity is in a minimum state, the first air passage is communicated with the second air passage; the sliding block is internally provided with a dust discharging channel which is communicated with the slideway, and the cleaning layer is opposite to the dust discharging channel when the baffle cover is positioned in the slideway.
6. The project approval system of claim 5, wherein: the side of keeping off the lid towards the place ahead is equipped with infrared sensor, when the display put out the screen, step motor corotation drive sliding block stretches out and makes the fender lid shelter from face identification portion, and when the display lights and infrared sensor the place ahead has personnel, step motor contrarotation drive sliding block retract in the passageway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011363855.2A CN112308536B (en) | 2020-11-27 | 2020-11-27 | Project Approval System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011363855.2A CN112308536B (en) | 2020-11-27 | 2020-11-27 | Project Approval System |
Publications (2)
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