Examination result query and wrong question self-service printing equipment

Abstract

The invention relates to the field of self-service printing equipment, in particular to examination result inquiry and error self-service printing equipment which comprises a machine shell, a display screen, a controller, a printer and a server, the display screen is fixedly connected to the upper end of the machine shell and used for displaying a two-dimensional code and an operation interface, and the machine shell is provided with a containing cavity; the printer is fixedly connected to the inner wall of the containing cavity, the controller is electrically connected to the display screen, the printer and the server, and the controller is used for requesting examination data from the server. A user scans the two-dimensional code on the display screen, the controller receives code scanning data and sends the code scanning data to the server, the server receives a request, queries personal exercise records and error mark data in a user database, the server returns error content to the controller, and the user operates according to an operation interface displayed by the display screen. The wrong questions needing to be printed are screened out and previewed on the display screen, a printing instruction is sent to the printer, the printer completes printing, and the instantaneity and accuracy of examination result query are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of self-service printing equipment, in particular to an examination result query and mistake self-service printing equipment. BACKGROUND

[0002] In recent years, with the rapid development of artificial intelligence, big data and other technologies, education informatization has evolved from the simple "paperless office" stage to the intelligent stage with "data-driven" and "personalized learning" as the core. According to the statistics of the Ministry of Education "Education Informatization 2.0 Action Plan", more than 78% of primary and secondary schools in China have established digital examination systems in 2023. Under this background, digital examination management and personalized learning have become the focus of modern education reform, However, the existing digital platform still has obvious shortcomings in precise feedback and personalized learning support. Students' examination results and mistake records are usually scattered in different systems, lack of unified management, leading to inconvenience in query; teachers need to manually correct and count mistakes, and then feedback through offline or online methods, which is time-consuming, and students cannot obtain the analysis results in time; the existing platform mostly only provides a mistake list, lacks intelligent classification and targeted exercise pushing, and students still need to sort it out by themselves, which is low in efficiency. SUMMARY

[0003] In order to improve the learning efficiency of students, the present application provides an examination result query and mistake self-service printing equipment.

[0004] The examination result query and mistake self-service printing equipment provided by the present application adopts the following technical scheme: An examination result query and mistake self-service printing equipment, comprising a shell, a display screen, a controller, a printer and a server, the display screen is fixedly connected to the upper end of the shell, the display screen is used for displaying a two-dimensional code and an operation interface, the shell is provided with a containing cavity, the printer is fixedly connected to the inner wall of the containing cavity, the controller is electrically connected to the display screen, the printer and the server, and the controller is used for requesting examination data from the server.

[0005] By adopting the technical scheme, the user scans the two-dimensional code on the display screen, the controller receives the scanning data and sends it to the server, the server receives the request, queries the personal exercise question record and mistake question mark data in the user database, the server returns the mistake question content to the controller, the user operates according to the operation interface displayed on the display screen, filters out the mistake questions to be printed, the controller formats the printing content, previews on the display screen, sends a printing instruction to the printer, and the printer completes the printing, thereby improving the instantaneity and accuracy of the examination result query, greatly shortening the time for the student to obtain the examination feedback, implementing the high-precision mistake question filtering algorithm and customized printing solution, improving the efficiency and quality of the mistake question printing, and enabling the student to review efficiently and improve the learning efficiency.

[0006] Preferably, the battery is fixedly connected to the inner wall of the accommodating cavity, the charging interface is fixedly connected to the outer wall of the shell, the charging interface is electrically connected to the battery, and the battery is electrically connected to the display screen, the controller and the printer.

[0007] By adopting the technical scheme, the battery can be charged through the charging interface, and the display screen, the controller and the printer can be powered by the battery, so that the printing device is not prone to power failure and is convenient to use.

[0008] Preferably, the battery is fixedly connected to the inner wall of the accommodating cavity, the charging interface is fixedly connected to the outer wall of the shell, the charging interface is electrically connected to the battery, and the battery is electrically connected to the display screen, the controller and the printer.

[0009] By adopting the technical scheme, the battery can be charged through the charging interface, and the display screen, the controller and the printer can be powered by the battery, so that the printing device is not prone to power failure and is convenient to use.

[0010] Preferably, the battery is fixedly connected to the inner wall of the accommodating cavity, the charging interface is fixedly connected to the outer wall of the shell, the charging interface is electrically connected to the battery, and the battery is electrically connected to the display screen, the controller and the printer.

[0011] By adopting the technical scheme, the battery can be charged through the charging interface, and the display screen, the controller and the printer can be powered by the battery, so that the printing device is not prone to power failure and is convenient to use.

[0012] Preferably, the battery is fixedly connected to the inner wall of the accommodating cavity, the charging interface is fixedly connected to the outer wall of the shell, the charging interface is electrically connected to the battery, and the battery is electrically connected to the display screen, the controller and the printer.

[0013] By adopting the technical scheme, the battery can be charged through the charging interface, and the display screen, the controller and the printer can be powered by the battery, so that the printing device is not prone to power failure and is convenient to use.

[0014] Preferably, the battery is fixedly connected to the inner wall of the accommodating cavity, the charging interface is fixedly connected to the outer wall of the shell, the charging interface is electrically connected to the battery, and the battery is electrically connected to the display screen, the controller and the printer.

[0015] By adopting the technical scheme, when the printer is working, the controller controls the prompt light to be on, and when the printer is not working, the controller controls the prompt light to be off, reminding the user of the working state of the printer and reducing the waiting time.

[0016] Preferably, the pressure sensor is fixedly connected to the upward groove wall of the paper outlet groove, the pressure sensor is used for detecting the weight of the paper, the illuminating lamp is fixedly connected to the outer wall of the casing, the illuminating lamp is used for illuminating the paper outlet groove, and the pressure sensor and the illuminating lamp are electrically connected to the controller.

[0017] By adopting the technical scheme, when the paper outlet groove has paper, the pressure value detected by the pressure sensor increases, the pressure sensor sends the detection value to the controller, the controller controls the illuminating lamp to be on to illuminate the paper outlet groove, the user is facilitated to take the paper, and the user is reminded of whether the paper is taken out.

[0018] Preferably, the upward groove wall of the paper outlet groove is provided with a negative pressure port.

[0019] By adopting the technical scheme, when the paper is not in contact with the pressure sensor due to deformation of the paper, the negative pressure port causes the paper to be attached to the upward groove wall of the paper outlet groove, the paper presses the pressure sensor, and the paper outlet groove is accurately detected.

[0020] Preferably, the loudspeaker is fixedly connected to the outer wall of the casing, and the loudspeaker is electrically connected to the controller.

[0021] By adopting the technical scheme, the blind or low-vision student is guided to operate, and the use is facilitated.

[0022] To sum up, the application has at least one of the following beneficial technical effects: The user scans the two-dimensional code on the display screen, the controller receives the code scanning data and sends the code scanning data to the server, the server receives the request, queries the personal exercise question record and the wrong question mark data in the user database, the server returns the wrong question content to the controller, the user operates according to the operation interface displayed on the display screen, filters out the wrong questions that need to be printed, the controller formats the printing content, previews on the display screen, sends a printing instruction to the printer, and the printer completes the printing, improves the instantaneity and accuracy of the examination result query, greatly shortens the time for the student to obtain the examination feedback, implements the high-precision wrong question filtering algorithm and the customized printing solution, improves the efficiency and quality of the wrong question printing, and enables the student to efficiently review, and effectively improves the learning efficiency of the student. When the paper outlet groove has paper, the pressure value detected by the pressure sensor increases, the pressure sensor sends the detection value to the controller, the controller controls the illuminating lamp to be on to illuminate the paper outlet groove, the user is facilitated to take the paper, and the user is reminded of whether the paper is taken out. When the paper is deformed and does not contact the pressure sensor, the negative pressure port makes the paper adhere to the upward slot wall of the paper slot, and the paper squeezes the pressure sensor, so that whether the paper is in the paper slot can be accurately detected. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the examination result query and wrong question self-service printing device.

[0024] Figure 2 It is a sectional view of the examination result query and wrong question self-service printing device.

[0025] Figure 3 It is a schematic diagram of the overall structure of the examination result query and wrong question self-service printing device, mainly showing the charging port.

[0026] Figure 4 It is Figure 2 the enlarged view of A in FIG. 1.

[0027] Marked for explanation: 1, device box; 11, machine shell; 111, paper slot; 1111, through port; 1112, negative pressure port; 1113, strip slot; 1114, sliding port; 112, charging port; 113, containing cavity; 114, connecting port; 115, prompt port; 116, negative pressure cavity; 12, protective shell; 121, limiting slot; 13, air cylinder; 14, universal wheel; 15, upward button; 16, downward button; 2, display screen; 3, printer; 4, battery; 5, charging interface; 6, loudspeaker; 7, controller; 8, prompt light; 9, auxiliary part; 91, pressure sensor; 92, illuminating lamp; 93, air pump; 94, sliding plate; 95, spring; 96, strip block; 97, prompt column. DETAILED DESCRIPTION

[0028] The following will be combined with the Figures 1-4 The application is further described in detail.

[0029] The application embodiment discloses an examination result query and wrong question self-service printing device. Referring to Figure 1 and Figure 2 An examination result query and wrong question self-service printing device includes a device box 1, a display screen 2, a printer 3, a battery 4, a charging interface 5, a loudspeaker 6, a controller 7, a prompt light 8, and an auxiliary part 9.

[0030] The equipment box 1 comprises a casing 11, a protective shell 12, an air cylinder 13, universal wheels 14, an upward button 15 and a downward button 16. The upper end of the protective shell 12 is provided with a limiting groove 121, the casing 11 is slidingly connected to the groove wall of the limiting groove 121, the cylinder body of the air cylinder 13 is fixedly connected to the groove bottom of the limiting groove 121, the piston rod of the air cylinder 13 is fixedly connected to the casing 11, the air cylinder 13 is used for driving the casing 11 to slide up and down, the universal wheels 14 are fixedly connected to the lower end of the protective shell 12, the universal wheels 14 are used for assisting the protective shell 12 to move, and the printing equipment is convenient to move. The upward button 15 and the downward button 16 are both fixedly connected to the upper end of the casing 11, and the upward button 15 and the downward button 16 are both electrically connected to the air cylinder 13 and used for controlling the lifting of the casing 11.

[0031] With reference to Figure 2 and Figure 3 , the two side walls of the casing 11 are respectively provided with a paper outlet groove 111 and a charging port 112, the casing 11 is provided with a containing cavity 113, the groove bottom of the paper outlet groove 111 is provided with a through port 1111, the through port 1111 and the charging port 112 are both communicated with the containing cavity 113, the through port 1111 is used for allowing the wrong questions printed by the printer 3 to pass through, and the height of the upward groove wall of the paper outlet groove 111 is increased with the distance from the through port 1111, so that the paper outlet groove 111 is used for receiving the printed wrong questions.

[0032] With reference to Figure 2 , the upper end of the casing 11 is provided as an inclined surface, the height of the upper end of the casing 11 is decreased with the distance from the paper outlet groove 111 along the direction from the paper outlet groove 111 to the charging port 112, the upper end of the casing 11 is provided with a connecting port 114, the connecting port 114 is communicated with the containing cavity 113, the display screen 2 is fixedly connected to the upper end of the casing 11, the display screen 2 covers the connecting port 114, the display screen 2 is used for displaying a two-dimensional code and an operation interface, and the display screen 2 is parallel to the upper end surface of the casing 11, so that the user is convenient to operate the display screen 2.

[0033] With reference to Figure 1 and Figure 2The printer 3 is fixedly connected to the inner wall of the accommodating cavity 113, the printer 3 is a 4-inch adhesive sticker printer 3, the paper outlet of the printer 3 faces the through opening 1111, the battery 4 is fixedly connected to the inner wall of the accommodating cavity 113, the battery 4 is arranged below the printer 3, the charging interface 5 is fixedly connected to the inner wall of the charging opening 112, the charging interface 5 is electrically connected to the battery 4, the charging interface 5 is used for charging the battery 4, the battery 4 is used for supplying power to the electronic elements in the equipment box 1, the loudspeaker 6 is fixedly connected to the outer wall of the casing 11 away from the charging interface 5, the loudspeaker 6 is used for prompting the user to operate, the controller 7 is fixedly connected to the inner wall of the accommodating cavity 113, the controller 7 is electrically connected to the display screen 2, the printer 3, the battery 4, the loudspeaker 6, the loudspeaker 6 is arranged below the display screen 2, above the paper chute 111, the server, the air cylinder 13, the upward button 15 and the downward button 16, the controller 7 is used for requesting the server for examination data. The prompt lamp 8 is fixedly connected to the outer wall of the casing 11 away from the charging interface 5, the prompt lamp 8 is electrically connected to the printer 3, when the printer 3 works, the prompt lamp 8 is on, when the printer 3 stops working, the printer 3 is off, reminding the user that the printing is completed. The outer wall of the casing 11 is provided with a two-dimensional code, the two-dimensional code is arranged between the loudspeaker 6 and the paper chute 111.

[0034] With reference to Figure 2 and Figure 4 The auxiliary part 9 includes a pressure sensor 91, an illuminating lamp 92, an air pump 93, a sliding plate 94 and a spring 95. The pressure sensor 91 is fixedly connected to the upward chute wall of the paper chute 111, the pressure sensor 91 is used for detecting the weight of the paper, the illuminating lamp 92 is fixedly connected to the outer wall of the casing 11, the illuminating lamp 92 is arranged above the paper chute 111, the illuminating lamp 92 is used for illuminating the slot opening of the paper chute 111, and the pressure sensor 91 and the illuminating lamp 92 are both electrically connected to the controller 7. The upward chute wall of the paper chute 111 is provided with a plurality of negative pressure openings 1112, the plurality of negative pressure openings 1112 are uniformly distributed on the upward chute wall of the paper chute 111, the casing 11 is provided with a negative pressure cavity 116, the negative pressure openings 1112 are communicated with the negative pressure cavity 116, the air pump 93 is arranged below the negative pressure cavity 116, the pump body of the air pump 93 is fixedly connected to the inner wall of the accommodating cavity 113, the air inlet of the air pump 93 is communicated with the negative pressure cavity 116 through an air pipe, the air outlet of the air pump 93 faces the battery 4, and the gas is discharged from the through opening 1111 after heat exchange with the electronic elements in the accommodating cavity 113, so as to gently blow the surface of the paper and realize drying of the ink on the paper.

[0035] With reference to Figure 1 and Figure 4The auxiliary component 9 also includes a strip block 96 and a prompt post 97. The paper output slot 111 has a strip groove 1113 on its upward-facing wall. The length direction of the strip groove 1113 is parallel to the upward-facing wall of the paper output slot 111. One end of the strip groove 1113 extends away from the through port 1111 and penetrates the housing 11. The strip groove 1113 is connected to a portion of the negative pressure port 1112. There are multiple strip grooves 1113. Along a direction perpendicular to the strip groove 1113, the multiple strip grooves 1113 are evenly spaced. The strip groove 1113 is used for the user to insert their fingers into the bottom of the paper for easy paper retrieval. At the same time, it facilitates air intake. A sliding plate 94 is located on the side of the negative pressure port 1112 near the through port 1111. The sliding plate 94 is slidably connected to the upward-facing wall of the paper output tray 111. One end of the spring 95 is fixedly connected to the bottom of the paper output tray 111, and the other end of the spring 95 is fixedly connected to the sliding plate 94. The bottom of the paper output tray 111 is provided with a sliding opening 1114, which is located below the through port 1111. A strip block 96 is slidably connected to the inner wall of the sliding opening 1114. The outer wall of the housing 11 is provided with a prompting opening 115. A prompting post 97 is slidably connected to the inner wall of the prompting opening 115. The strip block 96 is connected to the paper output tray 111 via gears and racks. When the sliding plate 94 is squeezed by paper, the spring 95 contracts, the strip block 96 moves towards the printer 3, and the prompting post 97 moves away from the printer 3, reminding the user that there is too much paper in the paper output tray 111 and that the paper needs to be removed as soon as possible.

[0036] The implementation principle of the exam result query and self-service printing device for incorrect questions in this application embodiment is as follows: The user scans the QR code on the display screen 2. The controller 7 receives the scan data and sends it to the server. The server receives the request, queries the user's personal practice question records and incorrect question marking data in the database, and returns the incorrect question content to the controller 7. The user operates according to the operation interface displayed on the display screen 2, selects the incorrect questions to be printed, the controller 7 formats the print content, previews it on the display screen 2, and sends a print command to the printer 3. When the printer 3 starts printing, the indicator light 8 lights up. After the printer 3 finishes printing, the indicator light 8 turns off. This improves the immediacy and accuracy of exam result query, greatly shortens the time for students to obtain exam feedback, implements a high-precision incorrect question filtering algorithm and a customized printing solution, improves the efficiency and quality of incorrect question printing, enables students to review efficiently, and effectively improves students' learning efficiency.

[0037] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A device for querying exam results and self-service printing of incorrect answers, characterized in that: The device includes a housing (11), a display screen (2), a controller (7), a printer (3), and a server. The display screen (2) is fixedly connected to the upper end of the housing (11) and is used to display QR codes and operating interfaces. The housing (11) has a receiving cavity (113). The printer (3) is fixedly connected to the inner wall of the receiving cavity (113). The controller (7) is electrically connected to the display screen (2), the printer (3), and the server and is used to request exam data from the server.

2. The examination result query and error printing self-service device according to claim 1, characterized in that: It also includes a battery (4) and a charging interface (5), the battery (4) being fixedly connected to the inner wall of the receiving cavity (113), the charging interface (5) being fixedly connected to the outer wall of the housing (11), the charging interface (5) being electrically connected to the battery (4), and the battery (4) being electrically connected to the display screen (2), the controller (7) and the printer (3).

3. The examination result query and error printing self-service device according to claim 1, characterized in that: It also includes a protective shell (12) and a cylinder (13). The upper end of the protective shell (12) is provided with a limiting groove (121). The housing (11) is slidably connected to the groove wall of the limiting groove (121). The cylinder body of the cylinder (13) is fixedly connected to the bottom of the limiting groove (121). The piston rod of the cylinder (13) is fixedly connected to the housing (11).

4. The examination result query and error printing self-service device according to claim 1, characterized in that: It also includes a collection box. The outer wall of the housing (11) is provided with a paper output slot (111). The bottom of the paper output slot (111) is provided with a through-hole (1111). The through-hole (1111) is connected to the receiving cavity (113). The through-hole (1111) is used for the wrong questions printed by the printer (3) to pass through. The paper output slot (111) is used to collect the printed wrong questions.

5. The examination result query and error printing self-service device according to claim 4, characterized in that: The height of the paper outlet groove (111) facing upward increases as it moves away from the opening (1111).

6. The examination result query and error printing self-service device according to claim 1, characterized in that: It also includes an indicator light (8), which is fixedly connected to the outer wall of the housing (11) and electrically connected to the printer (3).

7. The examination result query and error printing self-service device according to claim 1, characterized in that: It also includes a pressure sensor (91) and a light (92). The pressure sensor (91) is fixedly connected to the upper wall of the paper feed tray (111) and is used to detect the weight of the paper. The light (92) is fixedly connected to the outer wall of the housing (11) and is used to illuminate the paper feed tray (111). Both the pressure sensor (91) and the light (92) are electrically connected to the controller (7).

8. The examination result query and error printing self-service device according to claim 7, characterized in that: The paper outlet groove (111) has a negative pressure port (1112) on the upward-facing groove wall.

9. The examination result query and error printing self-service device according to claim 1, characterized in that: It also includes a speaker (6), which is fixedly connected to the outer wall of the housing (11) and electrically connected to the controller (7).

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