CN215303599U

CN215303599U - Multifunctional stationery box

Info

Publication number: CN215303599U
Application number: CN202120247126.4U
Authority: CN
Inventors: 詹印用; 詹泽远
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-12-28
Anticipated expiration: 2031-01-28

Abstract

The utility model relates to a multifunctional writing case, which comprises a case body with an opening at one end and a cover body hinged at one end of the opening of the case body, and is characterized in that: the cover body is far away from the one end of box body and is installed the arithmetic unit, the arithmetic unit is kept away from the button module that box body one end set up by the cover body, display module and locate the battery module in the cover body, control chip constitutes, display module, button module and control chip are connected with the battery module electricity respectively, display module includes first display screen, second display screen, third display screen and fourth display screen, control chip embeds a data storage module, first, second, third, fourth display screen selection button that button module and first display screen, second display screen, third display screen, fourth display screen correspond the setting respectively, switch button, "down" button, "last" button, "+" key, "-", "key," × "+" key, "÷" key that is used for carrying out the operation to display screen data.

Description

Multifunctional stationery box

Technical Field

The utility model relates to the field of writing cases, in particular to a multifunctional writing case.

Background

The writing case is a container for students to hold various writing utensils such as pens, erasers, rulers and the like, the writing case on the market has a single function and can only be used as a container, in order to enable the functions of the writing case to be more, the writing case with a calculator function and a time display function are gradually appeared, but the additional functions of the writing case are not practical, for students, a clock is installed in a school classroom to display the current time, for the calculator function, the calculator integrated on the writing case is a simple calculator, for the simple calculation, the students are not advised to use the calculator to calculate, and for the complex calculation, the scientific calculator is needed, so the calculator on the writing case has a chicken rib pointing function.

At present, some logic operation games are developed by depending on playing cards, such as '24-point games', the principle is that four playing cards are adopted, 24 points are obtained through addition, subtraction, multiplication and division operations, playing cards are generally not allowed to be taken to schools, and schools do not have equipment or tools specially aiming at '24-point calculation' operation functions.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the present invention is to solve the above-mentioned deficiencies of the prior art,

a multifunctional writing case is provided.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a multifunctional writing case, includes one end open-ended box body and articulates in the lid of box body opening one end, its characterized in that: the arithmetic unit is arranged at one end of the cover body far away from the box body, and consists of a key module and a display module which are arranged at one end of the cover body far away from the box body, and a battery module and a control chip which are arranged in the cover body, the display module, the key module and the control chip are respectively and electrically connected with the battery module, the display module comprises a first display screen, a second display screen, a third display screen and a fourth display screen, a data storage module is arranged in the control chip, and the key module comprises a first display screen, a second display screen, a third display screen and a fourth display screen selection key which are respectively and correspondingly arranged with the first display screen, the second display screen, the third display screen and the fourth display screen, a switch key for controlling the display module to be opened and closed simultaneously, a 'lower question' key for controlling the display module to display a next group of data, and an 'upper question' key for controlling the display module to display a group of data, The key comprises a + key, a-key, an x key and a div key which are used for operating data in the display screen.

By adopting the technical scheme, the utility model can realize addition, subtraction, multiplication and division operations to a certain extent, for example, a plurality of groups of data (the data is four numbers in each group) are preset in the data storage module, the four numbers are subjected to addition, multiplication and division operations to obtain 24-point results, the four numbers are respectively displayed on the first display screen, the second display screen, the third display screen and the fourth display screen through initialization, the data in the database can be sequentially selected through the upper question and the lower question, the numbers in the display screens are selected through the corresponding display screen selection keys, then the numbers in the other display screen are selected through the corresponding display screen selection keys to perform operations, the results are displayed in the display screens after the numbers in the four display screens are pressed, the keys are operated, and then one result is obtained after the numbers in the four display screens are operated as shown in figure 7, the result is displayed in the display screen of last operation, and this kind of stationery box not only possesses original storing function but also can carry out 24 arithmetic through the arithmetic unit and train in student's mathematical operation ability.

The multifunctional writing case can be further provided with: the key module further comprises a countdown key, and the countdown key is matched with the first display screen and the second display screen or the third display screen and the fourth display screen to realize a countdown function.

By adopting the technical scheme, the countdown function is set, so that the student can play a role in reminding when doing exercises or examinations.

The utility model has the beneficial effects that: the multifunctional stationery case not only has the function of storing stationery, but also can strengthen the mathematical logic thinking of students through the arithmetic unit, and improve the mathematical operation capability.

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a perspective view of an embodiment of the present invention.

Fig. 2 is a schematic diagram of an arithmetic unit according to an embodiment of the utility model.

FIG. 3 is a block diagram of an embodiment of an arithmetic unit system.

FIG. 4 is a flowchart of an arithmetic procedure according to an embodiment of the present invention.

Fig. 5 is a flowchart of key scanning in fig. 4.

Fig. 6 is a flow chart shown in fig. 4.

FIG. 7 is a schematic view of a display screen after a key operation according to the present invention.

FIG. 8 is a flowchart illustrating a countdown button process according to an embodiment of the present invention.

Detailed Description

Referring to fig. 1-8: a multifunctional writing case comprises a case body 1 with an opening at one end and a cover body 2 hinged to one end of the case body 1, wherein the cover body 2 is far away from one end of the case body 1, an arithmetic unit 3 is installed at one end of the cover body 2 far away from the case body 1, the arithmetic unit 3 is composed of a key module 5 arranged at one end of the cover body 2 far away from the case body 1, a display module 4, a battery module 21 arranged in the cover body 2 and a control chip 22, and can increase a voice module 24 to prompt a user for improving user experience, the display module 4, the key module 5 and the control chip 22 are respectively and electrically connected with the battery module 21, the battery module 21 is provided with a USB interface 204 to supply power or charge external equipment, the display module comprises a first display screen 41, a second display screen 42, a third display screen 43 and a fourth display screen 44, a data storage module 201 is arranged in the control chip 22, and the key module comprises a first display screen selection key 501, a second display screen, a third display screen 43 and a fourth display screen 44 which are respectively and correspondingly arranged, A second display screen selection key 502, a third display screen selection key 503, a fourth display screen selection key 504, a switch key 507 for controlling the display module to be opened and closed simultaneously, a "down" key 506 for controlling the display module to display a next group of data in the data storage module 201, an "up" key 505 for controlling the display module to display a group of data in the data storage module 201, a "+" key 508, a "-" key 509, an "×" key 510, and a "÷ key 511 for performing operations on the data in the display screen, and a countdown key 512, when the countdown key 512 is pressed, the first display screen 41, the second display screen 42, or the third display screen 43, and the fourth display screen 44 cooperate to count down, and the specific processing flow refers to fig. 8, and the control chip 22 is provided with a crystal oscillator circuit 202 and a reset circuit 203;

the operation of the utility model is schematically: when the switch button 507 is pressed, a number is displayed on each of the first display 41, the second display 42, the third display 43, and the fourth display 44, assuming that the number displayed on the first display 41 is a, the number displayed on the second display 42 is B, the number displayed on the third display 43 is C, and the number displayed on the fourth display 44 is D, as shown in fig. 7. When the first display screen selection key 501 next to a is pressed, a in the first display screen 41 flickers to indicate that a has been selected at this time, and then the "+" 508 "," 509 "," x "510", "div" 511 keys can be pressed, at this time, the voice also broadcasts addition, subtraction, multiplication, and division (for example, the "+" key is pressed, at this time, the voice broadcasts "add", at this time, the voice broadcasts "subtract", a + B, at this time, the first display screen 41 at the position of a is turned off, the result of the sum of a + B is displayed at the original position B, that is, in the second display screen 42, at this time, the second display screen at this position of B flickers to directly operate with C in the third display screen 43 or D in the fourth display screen 44, and if B-C is selected, the second display screen 42 at this position of B is turned off, the result of B-C is displayed in the position of C, namely the third display screen 43, at the moment, the screen at the position of C flickers and can be directly operated with D, C × D is selected to be operated, the display screen at the position of C is turned off at the moment, the result of C × D is displayed in the fourth display screen, the next group of data in the data storage module is automatically jumped after the operation is finished, and the key of the upper question 505 and the key of the lower question 508 can be manually operated to jump.

Claims

1. The utility model provides a multifunctional writing case, includes one end open-ended box body and articulates in the lid of box body opening one end, its characterized in that: the arithmetic unit is arranged at one end of the cover body far away from the box body, and consists of a key module and a display module which are arranged at one end of the cover body far away from the box body, and a battery module and a control chip which are arranged in the cover body, the display module, the key module and the control chip are respectively and electrically connected with the battery module, the display module comprises a first display screen, a second display screen, a third display screen and a fourth display screen, a data storage module is arranged in the control chip, and the key module comprises a first display screen, a second display screen, a third display screen and a fourth display screen selection key which are respectively and correspondingly arranged with the first display screen, the second display screen, the third display screen and the fourth display screen, a switch key for controlling the display module to be opened and closed simultaneously, a 'lower question' key for controlling the display module to display a next group of data, and an 'upper question' key for controlling the display module to display a group of data, The key comprises a + key, a-key, an x key and a div key which are used for operating data in the display screen.

2. The multi-functional writing case of claim 1, wherein: the key module further comprises a countdown key, and the countdown key is matched with the first display screen and the second display screen or the third display screen and the fourth display screen to realize a countdown function.