Bus electronic stop board layout method, system and equipment based on shared route body and label type switching

Abstract

The invention provides an electronic bus stop board interface layout method, system and equipment based on shared line body and label type switching, and the method comprises the steps: enabling line head regions of a plurality of lines to be parallel and a line body region of one line to be subjected to region position merging through the modes of compressing line heads and shared line bodies, thereby forming an N-type display unit; page turning or switching for displaying route information is carried out in each display unit, so that route head information such as route names and latest bus numbers of bus routes can be visually displayed in parallel to the greatest extent, and meanwhile, the turning range of detailed information such as passing stations of the bus routes is reduced, the turning period is shortened, and the efficiency is improved. And the intuition and the convenience of the display interface of the electronic bus stop board are improved.

Description

Technical Field

[0001] The present invention relates to the field of electronic bus stop signs, and in particular to the field of an interface layout method, system and equipment for electronic bus stop signs. Background Art

[0002] Electronic bus stop signs are public information windows used to display bus route information. However, due to economic considerations or resource shortages, the display area of ​​the equipment is limited in construction planning. Large bus stops often have many bus routes and a large amount of train information that needs to be displayed. How to efficiently display a large amount of information in a limited area while having the best user-friendliness is a difficult problem in the interface design of electronic bus stop signs.

[0003] Electronic bus stops are often divided into areas based on routes to organize and display information. The information of each route can be divided into four parts, including: (1) route name, (2) the latest service information, (3) fare, ticket sales method, starting station, terminal station, next station of the current station and other ancillary information of the route, (4) the names of all passing stations and other ancillary information related to them. Taking into account the different attention users pay to this information and the amount of information, (1) route name and (2) the latest service information are usually put together as route header information in one sub-area, referred to as route header sub-area; and (4) the names of all passing stations and related information are placed in another sub-area in the form of horizontal or vertical layout, referred to as passing station sub-area. (3) fare, ticket sales method, starting station, terminal station, next station of the current station and other ancillary information of the route can be placed in the route header sub-area or in the passing station sub-area. Finally, the route header sub-area and the passing station sub-area can be merged horizontally or vertically to form a complete display area for a route, such as Figure 1 .

[0004] When the number of lines is small, the complete display area of ​​each line can be laid out in parallel on the display interface of the electronic bus stop without switching and scrolling; however, when the number of lines is large and it is impossible to lay out all of them on the display interface, a display layout is required that allows all line information to be switched and displayed by turning pages or scrolling.

[0005] The traditional method is to display the complete display area of ​​each line in parallel vertically or horizontally, and the part beyond the display range is switched to display all line information by flipping pages up and down or left and right, such as Figure 2This method makes a one-to-one correspondence between the route head sub-area and the passing station sub-area of ​​a route, and performs page turning or scrolling switching as a whole. Its disadvantages are: (i) This layout can display a small amount of information, and it is impossible to browse all the routes and their train information passing through this station at one time on the interface. Whether single-line scrolling or full-page switching is used, it is necessary to wait until all the routes are paged or scrolled before browsing all the routes and their train information of this station. Passengers cannot intuitively browse key summary information such as how many routes pass through this station in total; (ii) When this layout is paged or scrolled, the entire screen must move together, causing great interference; (iii) The viewing cycle is long when single-line scrolling is used. When passengers want to confirm to view the detailed information of a certain route, in theory, they need to wait until all the routes of this station are paged, scrolled, and stopped before they can see it, and the waiting time increases exponentially; These disadvantages have seriously affected the passenger experience of bus electronic bus stop signs; In order to make up for the above-mentioned disadvantages such as incomplete display of key information, some electronic bus stops have opened up an additional display area for displaying all route train information separately, such as Figure 2 As shown in 6 ; however, this supplementary method not only occupies additional space, but also separates the line name and train number information of a line from the station information it passes through, requiring multiple views, which is not in line with the user's usage habits.

[0006] In fact, the route header information such as (1) route name and (2) the latest train information is the key information that most users need to pay attention to, and needs to be intuitively understood and displayed first; while (4) the names of all passing stations and related information is the route body information that only some users who need to query the route direction need to pay attention to, and displaying this information requires a larger space. In the case of limited display space, the route body information can be preferentially grouped and displayed in rotation; further, since the amount of information in the route header information is small, it can be optimized and compressed in layout, so that the positions occupied by the route header information of two or even more routes can be combined with the positions occupied by the route body information of one route to form a composite display unit, so as to improve the display efficiency and overall effect, such as Figure 3 . Summary of the invention

[0007] In view of this, the present invention aims to propose a method, system and device for the layout of an electronic bus stop interface based on a shared line body and label switching. The method compresses the line head and the shared line body so that the line head areas of multiple lines are arranged in parallel and the line body area of ​​one line is merged to form an N-type display unit, and page turning or switching of the displayed line information is performed inside each display unit, so that the line head information such as the line name and the latest train number of the bus line can be displayed intuitively and in parallel to the greatest extent, and at the same time, the detailed information such as the passing stations of the bus line can reduce the rotation range and shorten the rotation cycle, thereby improving the intuitiveness and convenience of the display interface of the electronic bus stop.

[0008] The technical solution of the present invention is achieved in this way:

[0009] In a first aspect, the present invention provides a method for layout of an electronic bus stop interface based on a shared route body and label switching, characterized in that: when applied to an electronic bus stop, the electronic bus stop has a screen area for displaying bus route information, referred to as the screen area for short; the bus route information includes (1) route name, (2) the latest bus schedule information, (3) fare, ticketing method, starting station, terminal station, next station of the current station and other ancillary information of the route, (4) the names of all passing stations and other ancillary information related thereto; the bus route information can be divided into three categories according to the attention and information volume required by passengers: one is a small amount of information with high attention, such as (1) route name and (2) the latest bus schedule information, and the other is information with general attention. The first is a large amount of information, such as (4) the names of all the stations along the way and other ancillary information related to them; the second is a small amount of repetitive or common sense information, such as (3) fare, ticket sales method, starting station, terminal station, next station of the current station and other ancillary information of the route; the small amount of information with high attention is characterized by: it is the key summary information, displayed in the form of a title, the required display font is relatively large, but the required display space can be relatively small, and its display area is referred to as the route head; the large amount of information with general attention is characterized by: it is further detailed information, displayed in the form of a main body, the required display font can be relatively small, but the display space occupied is relatively large, and its display area is referred to as the route body; the small amount of repetitive or common sense information is The information is characterized in that: it refers to a small amount of information that has been displayed elsewhere or is common sense, and the required display font and display space are relatively small. It can be displayed in the line head area, the line body area, or omitted; the screen area can be divided into a plurality of display units, each display unit is composed of a line head subunit and a line body subunit; the line head subunit of each display unit has one or more line head partitions, each line head partition can hold the line head of a line, and can be used to realize the parallel display of line head information of multiple lines; the line body subunit of each display unit can only display the line body information of one line at the same time, if the line head subunit of the display unit has multiple line heads Partitions, the line body subunit displays the line bodies of the lines corresponding to each line head partition in turn by rotation or switching, realizing label switching of the shared line body; the label switching is also characterized in that: when the line body subunit displays the line corresponding to a line head partition, an association mark is established between the line head partition and the line body subunit to indicate the association relationship currently displayed; the display unit is distinguished into different models according to the number of line head partitions of its line head subunit, and the N-type display unit indicates that its line head subunit has N line head partitions, and can display the line heads of N lines at the same time; the display unit can also be allocated with a number of supplementary lines to be combined with the existing lines in the line head partition for switching display;The N-type display unit is characterized in that: the larger N is, the smaller the space of its single line head partition is. When N is large enough, this type of display unit will not be able to clearly display the line information of a given line, that is, it cannot be continued to be laid out through this type of N-type display unit; the line head of a certain line has a minimum value of display space required to ensure clear visibility in actual applications (set to H); the line body of each line has a minimum value of display space required to ensure clear visibility in actual applications (set to T); let the number of all lines passing through this station be set to L, take the maximum value Hmax of all line heads H in these L lines and the maximum value Tmax of all line bodies T in these L lines, the screen area must be at least greater than or equal to the combined size of Hmax and Tmax of these L lines, that is, all lines passing through this station can definitely be continued to be laid out by introducing several type 1 display units; the N-type display unit is also characterized in that: according to the arrangement direction of its line body information, it can be divided into two forms: longitudinal arrangement and horizontal arrangement, and the two forms can be mixed in the layout, such as; Figure 3 and Figure 4 .

[0010] like Figure 6 , the interface layout method comprises the following steps: S1: Assume N=0, the number of lines to be laid out is L; S2: Determine the total number of lines ln (when N=0, ln=0) that need to be and can be laid out using type 1, type 2, ..., N display units; S3: Determine whether the remaining L-ln lines can continue to be laid out by introducing a number of N+1 type display units (when N=0, the layout can definitely be continued by introducing 1 type display unit); S4.1: If yes, determine whether a combination of a number (including 0) of type 1 display units, a number (including 0) of type 2 display units, ..., a number (including 0) of type N display units, and a number (greater than 0) of type N+1 display units in the screen area can simultaneously meet the following conditions: (1) accommodating and clearly displaying the line header information of all L lines; (2) being able to clearly display or alternately display the line body information of all L lines. If both conditions are met, execute S5 to complete the layout; otherwise, set N=N+1 and turn to execute step S2. S4.2: If not, a number of (including 0) type 1 display units, a number of (including 0) type 2 display units, ..., a number of (including 0) N-1 type display units and a number of (greater than 0) N type display units are used for layout in the screen area. Assuming that these layout display units can accommodate and clearly display P lines at the same time, the remaining LP lines cannot be accommodated and clearly displayed at the same time. These LP lines are supplemented and merged into the N type display unit to realize merged switching display, and then S5 is executed to complete the layout; S5: Complete the layout.

[0011] In the above method, the label switching of the shared line body refers to: If it is a type 1 display unit and there is no supplementary line, the display unit fixedly displays the line head information and line body information of a specified line; If it is an N-type display unit and there is no supplementary line (N>1), the N line head partitions of its line head subunit always display the line head information of the specified N lines, and its line body subunit rotates or switches to display the line body information of the N lines; If it is an N-type display unit and there are m supplementary lines (N>=1), then the display unit has a total of N+m lines participating in the carousel or switching display, among which the line head information of the N lines including the line currently displayed by the line body subunit is arranged and displayed in the N partitions of the line head subunit, and the line head information of the remaining m lines cannot be displayed in parallel on the screen. Only when the line body information of one of the lines is displayed in carousel or switched, can its line head information be switched to a partition of the line head subunit for display.

[0012] In the above method, the need and ability to use type 1 display units, type 2 display units, ..., type N display units to complete the layout of ln lines means that according to the specific circumstances of the designated line information and the specific requirements of the user's layout, it is necessary to use several type 1 display units, several type 2 display units, ... and several N type display units to complete the layout of the ln lines, and the existing screen area can accommodate these display units.

[0013] In the above method, the use of several display units of the same model or different models to complete the layout of several lines (set as L) means that these display units can be accommodated in a designated area, and all line head partitions of the line head subunits of these display units can simultaneously accommodate and clearly display the line head information of all L lines, and at the same time, the line body information of these lines can be clearly rotated or switched in the line body units of the corresponding display units.

[0014] In the above method, the plurality of lines (set as L) can continue to be laid out by introducing a plurality of display units of a specified model (set as N type), which means that there is a designated area to accommodate these N type display units, and the line information of these L lines can find adapted display units among these N type display units. The adaptation is different from allocation, which means that the line head and line body information of a certain line can be clearly displayed after being placed in a line head partition and line body sub-unit of a certain display unit.

[0015] In the above method, the method of integrating a plurality of lines (set as p) into a plurality of display units of a certain model (set as N type) in a supplementary manner to realize the combined switching display and complete the layout means that for each line ln to be incorporated, all N type display units that can adapt to ln are found, and a display unit D with the least existing supplementary lines is selected, and ln is used as the supplementary line of the display unit D, such as Figure 5 .

[0016] The above method, under the premise of maintaining the typical correspondence between the summary information and detailed information areas in the practice of bus electronic bus stops, expands the correspondence between the line body and the line head from the line body of one line corresponding to the line head of one line to the line body of one line corresponding to the line heads of multiple lines, thereby displaying the key summary information to the greatest extent, expanding the information surface, while narrowing the rotation range and reducing the waiting time for information.

[0017] In a second aspect, the present invention provides a bus electronic stop sign system based on a shared line body and a tab-based switching interface layout, such as Figure 7 The electronic bus stop sign includes a display screen and a host system; the display screen includes a line information screen area for displaying bus line information; the host system includes a main control module; the main control module includes an interface layout unit and an information switching unit; the line information screen area adopts the above method to perform interface layout on the screen area for displaying bus line information; the interface layout includes a number of display units in the above form; for each display unit, the bus line information switching unit performs label switching on the display line corresponding to its shared line body subunit, and the switching method includes automatic carousel or manual switching; when switching to display a certain line: the line head information of the line is displayed in a line head subunit, and the line body information of the line is displayed in the line body subunit, and an association mark is established between the line head partition and the line body subunit; for display units of different models and their supplementary lines, the switching process is as follows: If it is a type 1 display unit and there is no supplementary line, the display unit fixedly displays the line head information and line body information of a specified line; If it is an N-type display unit and there is no supplementary line (N>1), the N line head partitions of its line head subunit always display the line head information of the specified N lines, and its line body subunit rotates or switches to display the line body information of the N lines; If it is an N-type display unit and there are m supplementary lines (N>=1), then the display unit has a total of N+m lines participating in the carousel or switching display, among which the line head information of the N lines including the line currently displayed by the line body subunit is arranged and displayed in the N partitions of the line head subunit, and the line head information of the remaining m lines cannot be displayed in parallel on the screen. Only when the line body information of one of the lines is displayed in carousel or switched, can its line head information be switched to a partition of the line head subunit for display.

[0018] The bus route information switching unit can switch the route information between different display units in response to the user's specific operation request while performing internal switching among the route head subunit routes and supplementary routes included in the display unit. Figure 8 .

[0019] In a third aspect, the present invention provides a bus electronic stop sign device, which includes the above-mentioned bus electronic stop sign system based on a shared line body and a tabbed switching interface layout. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0022] In the attached picture: Figure 1 , a schematic diagram of the layout of a traditional bus stop information display unit; Figure 2 , a schematic diagram of the layout page turning and scrolling method of the information display unit of the traditional bus electronic stop sign; Figure 3 , line information layout after line heads are merged; Figure 4 , a schematic diagram of a display unit model including a shared line body and a label type line head; Figure 5 , a schematic diagram of a display unit model including supplementary circuits; Figure 6 , layout method flow chart; Figure 7 , a unit structure diagram of the bus electronic stop sign system based on a shared line body and a tabbed switching interface layout; Figure 8 , line information switching between different display units; Fig. 9 , a schematic diagram of an embodiment of arranging 10 lines into 5 type 2 display units; Icons: 1-line head sub-area; 2-passing station sub-area; 3-partial line information displayed in vertical layout and indicative signs for up and down page turning or scrolling; 4-partial line information displayed in horizontal layout and indicative signs for left and right page turning or scrolling; 5-partial line information waiting to be turned or scrolled; 6-additional display area for all line train information; 7-merged line head partition information; 8-association mark between merged line head partition and line body sub-unit; 9-labeled line head sub-unit; 10-shared line body sub-unit; 11-type 1 display unit; 12-partial line that is incorporated into the display unit in a supplementary manner to achieve merged switching display; 13-other information screen area; 14-line information screen area. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. The components of the embodiments of the present invention generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the present invention.

[0025] Example

[0026] This embodiment uses a shared line and tab-based interface layout method to develop a bus electronic stop sign system. For a unit structure diagram, please refer to Figure 7 ; The electronic bus stop sign includes a display screen and a host system; the display screen includes a route information screen area for displaying bus route information; the host system includes a main control module; the main control module includes an interface layout unit and an information switching unit; the route information screen area adopts an interface layout method based on shared route bodies and tabbed switching for interface layout; let the number of all routes passing through this station be L, take the maximum value Hmax of all route heads H in these L routes and the maximum value Tmax of all route bodies T in these L routes, the route information screen area must be at least greater than or equal to the combined size of Hmax and Tmax of these L routes; the display unit of this embodiment is arranged vertically, and the specific layout steps are as follows: Step S1: Set N=0, the number of lines to be laid out is L; Step S2: determining the total number of lines ln (when N=0, ln=0) that need to be and can be laid out using type 1, type 2, ..., type N display units; Step S3: determine whether the remaining L-ln lines can continue to be laid out by introducing a number of N+1 type display units (when N=0, the layout can definitely be continued by introducing 1 type display unit); Step S4.1: If yes, determine whether a combination of a number (including 0) of type 1 display units, a number (including 0) of type 2 display units, ..., a number (including 0) of type N display units, and a number (greater than 0) of type N+1 display units in the screen area can simultaneously meet the following conditions: (1) accommodating and clearly displaying the line header information of all L lines at the same time; (2) being able to clearly display or alternately display the line body information of all L lines. If both conditions are met, execute S5 to complete the layout; otherwise, set N=N+1 and turn to execute step S2. Step S4.2: If not, a number of (including 0) type 1 display units, a number of (including 0) type 2 display units, ..., a number of (including 0) N-1 type display units and a number of (greater than 0) N type display units are used for layout in the screen area. Assuming that these layout display units can simultaneously accommodate and clearly display P lines, the remaining LP lines cannot be simultaneously accommodated and clearly displayed. These LP lines are supplemented and merged into the N type display unit to realize merged switching display, and then S5 is executed to complete the layout; Step S5: Complete the layout.

[0027] In this embodiment, it is assumed that L=10 and the screen area used for line information layout on the display screen can only arrange the positions of 5 lines (as shown in the attached figure). Figure 2 ): When N=0 and step S3 is executed for the first time, the layout can be continued by introducing a number of type 1 display units; Execute step S4.1, after judging that the layout cannot be completed using only type 1 display unit, set N=1; Execute step S2, there is no circuit that needs to be laid out using type 1 display units, ln=0; When step S3 is executed for the second time, N=1, and the remaining 10 lines can be laid out further by introducing a number of type 2 display units; Step S4.1 is executed for the second time. After judgment, it is possible to use 5 type 2 display units to simultaneously meet the following conditions: (1) accommodating and clearly displaying the line header information of all 10 lines; (2) being able to clearly display or alternately display the line body information of all 10 lines. Execute step S5 to complete the layout.

[0028] like Fig. 9The interface layout includes 5 type 2 display units; for each display unit, the information switching unit performs label switching on the display line corresponding to its shared line body subunit, and the switching mode includes automatic carousel or manual switching; when switching to display a certain line: the line head information of the line is displayed in a line head partition of the line head subunit, and the line body information of the line is displayed in the line body subunit, and a connection line is established between the line head partition and the line body subunit as an association mark.

[0029] In this embodiment, none of the five type 2 display units has a supplementary line. Under normal circumstances, the two line head partitions of the line head subunit of each display unit always display the line head information of the two specified lines, and its line body subunit rotates or switches to display the line body information of the two lines; under specific conditions, such as when the user drags or specifies the display position of a line through the operation interface, the display position of the line can also be switched between different display units.

[0030] In summary, the method, system and device for layout of electronic bus stop interface based on shared line body and tab switching described in the present invention, under the premise of conforming to the overall display habits of bus line information, compresses the line head area and shared line body area, so that the line head information such as the line name and the latest train number of the bus line can be fully displayed to the greatest extent, and at the same time, the detailed information such as the passing stations of the bus line is reduced in rotation range, thereby improving the intuitiveness and convenience of the display interface of the electronic bus stop.

[0031] In the embodiments provided in the present application, it should be understood that the disclosed systems and methods can also be implemented in other ways. The system implementation method described above is only schematic. For example, the flowcharts and block diagrams in the accompanying drawings show the possible architecture, functions and operations of the systems, devices, methods and computer program products according to the embodiments of the present invention. In this regard, each box in the flowchart or block diagram can represent a unit module, a program segment or a part of the code, and the unit module, program segment or a part of the code contains one or more executable instructions or functional elements for implementing the specified logical functions. It should also be noted that in some alternative implementations, the functions marked in the box can also occur in a different order from the order marked in the accompanying drawings. For example, two consecutive boxes can actually be executed substantially in parallel, and they can sometimes be executed in the opposite order, depending on the functions involved. It should also be noted that each box in the block diagram and / or flowchart, and the combination of boxes in the block diagram and / or flowchart can also be implemented with a dedicated hardware-based component system that performs a specified function or action, or can be implemented with a combination of dedicated hardware and computer instructions.

[0032] In addition, the functional modules in the embodiments of the present invention may be integrated together to form an independent part, or each module may exist independently, or two or more modules may be integrated to form an independent part.

[0033] If the functions are implemented in the form of software function modules and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention, or the part that contributes to the prior art or the part of the technical solution, can be embodied in the form of a software product. The computer software product is stored in a storage medium, including several instructions to enable a computer device (which can be a single-chip microcomputer, a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in the embodiment of the present invention. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), disk or optical disk and other media that can store program codes.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A method for layout of bus electronic signboard interface based on shared line body and label switching, characterized by: Applied to an electronic bus stop board, the electronic bus stop board has a screen area for displaying bus route information, referred to as the screen area for short; the bus route information is divided into three categories according to the attention and information volume required by passengers: one is a small amount of information with high attention, the second is a large amount of information with general attention, and the third is a small amount of repeated or common sense information; the small amount of high attention information is characterized by being key summary information, displayed in the form of a title, the required display font is relatively large, but the required display space can be relatively small, and its display area is referred to as the line head for short; the large amount of general attention information is characterized by being further detailed information, displayed in the form of a main body, the required display font can be relatively small, but the occupied display space is relatively large, and its display area is referred to as the line body for short; the small amount of repeated or common sense information is characterized by referring to a small amount of information that has been displayed elsewhere or is common sense, the required display font and display space are relatively small, it can be displayed in the line head area, can be displayed in the line body area, or can be omitted; the screen area can be divided into a number of display units, each display unit consists of a line head subunit and a line body The subunits are combined; the line head subunit of each display unit has one or more line head partitions, each line head partition can hold the line head of a line, and the line head information of multiple lines can be displayed in parallel; the line body subunit of each display unit can only display the line body information of one line at the same time. If the line head subunit of the display unit has multiple line head partitions, the line body subunit will display the line body of the line corresponding to each line head partition in turn by rotation or switching, so as to realize the label switching of the shared line body; the label switching is also characterized in that: when the line body subunit displays the line corresponding to a line head partition, an association mark is established between the line head partition and the line body subunit to indicate the association relationship currently displayed; the display unit is distinguished into different models according to the number of line head partitions of its line head subunit, and the N-type display unit indicates that its line head subunit has N line head partitions, and the line heads of N lines can be displayed at the same time; the N-type display unit can also be assigned a number of supplementary lines to be combined with the existing lines in the line head partition for switching display; the N-type display unit is characterized in that: The larger N is, the smaller the space of a single line head partition is. When N is large enough, the display unit of this type will not be able to clearly display the line information of a given line, that is, the layout cannot be continued through this type of N-type display unit; the line head of a certain line has a minimum value of display space required to ensure clear visibility in practical applications (set as H); the line body of each line has a minimum value of display space required to ensure clear visibility in practical applications (set as T);Assume that the number of all lines passing through this station is L, take the maximum value Hmax of all line heads H in these L lines and the maximum value Tmax of all line bodies T in these L lines, the screen area must be at least greater than or equal to the combined size of Hmax and Tmax of these L lines, that is, all lines passing through this station can be continuously laid out by introducing a number of type 1 display units; the N-type display unit is also characterized in that: according to the arrangement direction of its line body information, it can be divided into two forms: vertical arrangement and horizontal arrangement, and the two forms can be mixed in the layout; The interface layout method comprises the following steps: S1: Assume N=0, the number of lines to be laid out is L; S2: Determine the total number of lines ln (when N=0, ln=0) that need to be and can be laid out using type 1, type 2, ..., N display units; S3: Determine whether the remaining L-ln lines can continue to be laid out by introducing a number of N+1 type display units (when N=0, the layout can definitely be continued by introducing 1 type display unit); S4.1: If yes, determine whether a combination of a number (including 0) of type 1 display units, a number (including 0) of type 2 display units, ..., a number (including 0) of type N display units, and a number (greater than 0) of type N+1 display units in the screen area can simultaneously meet the following conditions: (1) accommodating and clearly displaying the line header information of all L lines; (2) being able to clearly display or alternately display the line body information of all L lines. If both conditions are met, execute S5 to complete the layout; otherwise, set N=N+1 and turn to execute step S2. S4.2: If not, a number of (including 0) type 1 display units, a number of (including 0) type 2 display units, ..., a number of (including 0) N-1 type display units and a number of (greater than 0) N type display units are used for layout in the screen area. Assuming that these layout display units can accommodate and clearly display P lines at the same time, the remaining LP lines cannot be accommodated and clearly displayed at the same time. These LP lines are supplemented and merged into the N type display unit to realize merged switching display, and then S5 is executed to complete the layout; S5: Complete the layout.

2. The method for layout of bus electronic signboard interface based on shared line body and label switching according to claim 1, characterized in that The label switching of the shared line body refers to: If it is a type 1 display unit and there is no supplementary line, the display unit fixedly displays the line head information and line body information of a specified line; If it is an N-type display unit and there is no supplementary line (N>1), the N line head partitions of its line head subunit will display the line head information of the specified N lines in parallel, and its line body subunit will display the line body information of the N lines in a rotating or switching manner; If it is an N-type display unit and there are m supplementary lines (N>=1), then the display unit has a total of N+m lines participating in the carousel or switching display, among which the line head information of the N lines including the line currently displayed by the line body subunit is arranged and displayed in the N partitions of the line head subunit, and the line head information of the remaining m lines cannot be displayed in parallel on the screen. Only when the line body information of one of the lines is displayed in carousel or switched, can its line head information be switched to a partition of the line head subunit for display.

3. The method for layout of bus electronic signboard interface based on shared line body and label switching according to claim 1, characterized in that The need and ability to use type 1 display units, type 2 display units, ..., type N display units to complete the layout of ln lines means that according to the specific circumstances of the designated line information and the specific requirements of the user's layout, it is necessary to use several type 1 display units, several type 2 display units, ... and several N type display units to complete the layout of the ln lines, and the existing screen area can accommodate these display units.

4. The method for layout of bus electronic signboard interface based on shared line body and label switching according to claim 1, characterized in that The said use of several display units of the same model or different models to complete the layout of several lines (set as L) means that these display units can be accommodated in a designated area, and all line head partitions of the line head subunits of these display units can simultaneously accommodate and clearly display the line head information of all L lines, and at the same time, the line body information of these lines can be clearly rotated or switched in the line body units of the corresponding display units.

5. The method for layout of bus electronic signboard interface based on shared line body and label switching according to claim 1, characterized in that The said plurality of lines (set as L) can continue to be laid out by introducing a plurality of display units of a specified model (set as N type) means that there is a designated area to accommodate these N type display units, and the line information of these L lines can find adapted display units among these N type display units. The said adaptation is different from allocation, and it means that the line head and line body information of a certain line can be clearly displayed after being placed in a line head partition and line body sub-unit of a certain display unit.

6. The method for layout of bus electronic signboard interface based on shared line body and label switching according to claim 1, characterized in that The method of integrating a plurality of circuits (set as p) into a plurality of display units of a certain model (set as N type) in a supplementary manner to realize the combined switching display and complete the layout means that for each circuit ln to be incorporated, all N-type display units that can adapt to ln are found, and a display unit D with the least existing supplementary circuits is selected, and ln is used as the supplementary circuit of the display unit D.

7. A bus electronic stop sign system based on a shared line body and a tab-switched interface layout, characterized in that: The bus electronic stop sign comprises a display screen and a host system; the display screen comprises a route information screen area for displaying bus route information; the host system comprises a main control module; the main control module comprises an interface layout unit and an information switching unit; the route information screen area adopts the method as claimed in claim 1 to perform interface layout on the bus route information screen area; the interface layout comprises a plurality of display units as claimed in claim 1; for each display unit, the information switching unit performs label switching on the display route corresponding to its shared route body subunit, and the switching mode comprises automatic carousel or manual switching; When switching to display a certain line: the line head information of the line is displayed in a line head partition of the line head subunit, and the line body information of the line is displayed in the line body subunit, and an association mark is established between the line head partition and the line body subunit; the information switching unit can switch the line information between different display units in response to a specific operation request of the user while performing internal switching among the line head subunit lines and supplementary lines included in the display unit.

8. A bus electronic stop sign device, characterized by: The bus electronic stop sign device includes a bus electronic stop sign system based on a shared line body and label switching as described in claim 7.

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