CN202487119U

CN202487119U - Operation information display device for buses

Info

Publication number: CN202487119U
Application number: CN2012200939092U
Authority: CN
Inventors: 谢威
Original assignee: WUXI JURUN PHOTOELECTRIC ELECTRICAL APPLIANCES CO Ltd
Current assignee: WUXI JURUN PHOTOELECTRIC ELECTRICAL APPLIANCES CO Ltd
Priority date: 2012-03-14
Filing date: 2012-03-14
Publication date: 2012-10-10
Anticipated expiration: 2022-03-14

Abstract

The utility model discloses an operation information display device for buses. The operation information display device for the buses comprises a display screen and an overlapping frame around the display screen, the display screen comprises an LED array and a display control panel, and the display control panel comprises an upper computer, a 232 driver, a 485 driver, a CPU (central processing unit), a FLASH memory, an EE memory, a static memory, a scanning logic array and a line driver. The operation information display device for the buses can maximally meet the requirement that simultaneous full-screen complete display of one station name and one line number can be achieved when the word number of the station name exceeds the total displayed word number of the display screen, and is capable of displaying various fonts, highlighting main information and realizing variable and controllable display images.

Description

The display device of operation information on the bus

Technical field

The utility model relates to LED display technique field, relates in particular to the display device of operation information on a kind of bus.

Background technology

The mode that the front and back guideboard that present domestic bus is installed all adopts digital demonstration of LED or 11 words (or 13 words) LED dot matrix to show.The digital mode that shows can only circuit number numeral, can't Chinese display; The mode that dot matrix shows can satisfy the numeral of line number and the requirement that literal shows simultaneously; Can be with inception point and the terminus and the line number screen demonstration together of circuit; Yet in demonstration, mostly adopt the dot matrix of text type matrix to show; Therefore after the total number of words that shows of display screen is certain, when name of station number of words during above the number of words that can show, the mode that just can only adopt FLOW VISUALIZATION or write a Chinese character in simplified form name of station satisfies display requirement; Therefore passerby just can not come into plain view to information when watching, and perhaps can understand name of station by error.

The utility model content

Demonstration shortcoming to bus display screen in the prior art; The applicant improves through research; The display device of operation information on a kind of bus is provided; Can solve to greatest extent when the name of station number of words surpasses the total number of word that display screen can show, also can satisfy the requirement of full frame all names of station of complete demonstration of while and line number, the variable controllable of realization display image.

The technical scheme of the utility model is following:

The utility model provides the display device of operation information on a kind of bus; Form by display screen and overlap joint frame all around thereof; Said display screen comprises LED luminous tube array and display control board, and said display control board comprises host computer, 232 drivers, 485 drivers, CPU processor, FLASH storer, EE storer, static memory, scanning logic array and line drive;

Said host computer is connected with the CPU processor through 232 drivers or 485 drivers, and name of station is preserved in its inside, the circuit concrete number reaches multiple character library according to this, and above-mentioned information can be read by the CPU processor;

Said FLASH storer is connected with the CPU processor, and the GB character library is preserved in its inside, and above-mentioned information can be called by the CPU processor;

Said CPU processor is connected with host computer through 232 drivers or 485 drivers; Be connected with the FLASH storer simultaneously; The name of station, the circuit concrete number that are used to read in the host computer reach multiple character library according to this; Perhaps read the GB character library in the FLASH storer, and combine character library name of station, circuit name data are arranged and/or to compress, form Image Data;

Said EE storer is connected with the CPU processor, is used to preserve the raw data of name of station, circuit name;

Said static memory is connected with CPU processor, scanning logic array and line drive, is used to preserve the Image Data after the CPU processor processes, and is called by the scanning logic array;

Said scanning logic array is connected with CPU processor, static memory and line drive, is used to produce the display screen line column scan signal, reads the Image Data in the static memory synchronously, cooperates the rank scanning signal, and transmits signals to line drive;

Said line drive is connected with scanning logic array and static memory, is used for signal is amplified transmission.

Its further technical scheme is: said overlap joint frame is to be cut by two ends to become four rectangular frames that aluminium section bar is spliced of 45 °; Said aluminium section bar has hollow matrix; Adjacent two aluminium section bars are connected through the square contiguous block, and said square contiguous block is connected to the inside of hollow matrix, offers mounting groove at the top of said hollow matrix; The notch of said mounting groove has snap close, has the gusset of evagination in the bottom of said hollow matrix.

And its further technical scheme is: said hollow matrix top has at least 1 mounting groove, is provided with bolt connection piece in the said mounting groove.

And its further technical scheme is: the evagination gusset that the bottom of said hollow matrix has is the laminate of evagination.

The useful technique effect of the utility model is:

Pass through the utility model; When bus circuit information; Promptly can use different fonts give top priority to what is the most important (circuit name); Again can be through the variable complete demonstration of satisfying whole names of station of font, when long name of station occurring, also can show, and need not artificially shorten name of station and the type of flow shows through compression adjustment.

Description of drawings

Fig. 1 is the electric theory diagram of display screen.

Fig. 2 is the electric control principle block diagram of display control board among Fig. 1.

Fig. 3 is the mounting plate of LED luminous tube array and the wiring layout of display control board.

Fig. 4 is a structural drawing of installing the overlap joint frame in Fig. 3 periphery.

Fig. 5 is the sectional view of the single aluminium section bar of overlap joint frame.

Fig. 6 is the bridging arrangement figures of adjacent two aluminium section bars through the square contiguous block.

Fig. 7 is that the A-A of Fig. 6 is to cut-open view.

Fig. 8 is that the B-B of Fig. 6 is to cut-open view.

Embodiment

Further specify below in conjunction with the embodiment of accompanying drawing the utility model.

The principle of the utility model is described in conjunction with Fig. 1, Fig. 2.As shown in Figure 1, LED display is generally by the LED luminous tube array, and corresponding led driver (row driving/row drive), display control board and DC/DC power supply are formed.As shown in Figure 2, the utility model is connected display control board with host computer 1, and display control board is improved.CPU processor 4 in the display control board reads name of station and the circuit name data that need demonstration through 232 drivers 2 or 485 drivers 3 from host computer 1, saves the data in simultaneously in the EE storer 6.CPU processor 4 is through the analysis to data, when needs show be text data the time, through calling the GB character library type matrix in the FLASH storer 5, be arranged in the reflection that needs to show name of station and track data, be saved in the static memory 7; When needs show be data such as multiple font or name of station the time, then the single GB character library in the FLASH storer 5 can't satisfy demonstration.Call corresponding various character libraries through host computer 1 this moment, simultaneously name of station and track data arranged distribution, perhaps is compressed in the dot matrix scope that display screen can show, these Image Data are saved in static memory 7.CPU processor 4 produces the display screen line column scan signal through management scanning logic array 8 simultaneously, reads the Image Data in the static memory 7 synchronously; Cooperate sweep signal; Amplify transmission through 9 pairs of signals of line drive again, through the ranks driver, according to the frequency that is no less than 55HZ/S; The LED dot matrix is lighted in circulation line by line, satisfies the demonstration of lighting of display screen.

Critical piece in the utility model adopts the commercial goods; For example can select for use components and parts to constitute the exemplary embodiments of the utility model by following model: the model of CPU processor 4 be stc89le52; The model of 232 drivers 2 is max232, and the model of 485 drivers 3 is max485, and the model of static memory 7 is is62lv256a; The model of FLASH storer 6 is at45db161, and the model of line drive 9 is 74hc245.Structure, function and the connected mode of the light intensity converter among Fig. 2, crystal oscillator, stabilivolt are identical with prior art, can select the commercial goods for use, do not launch explanation at this.

See Fig. 3, Fig. 4; After above-mentioned display control board and the mounting plate that is used to install the LED luminous tube array assembled, around this assembly structure, utilize made from aluminium profile support or framework again: four aluminium section bars 100 that two ends cut into 45 ° were overlapped to form a rectangular frame.The center of rectangular frame is used to install display screen, and by gusset and other links of rectangular frame display screen is fixed.

Matrix 101 as shown in Figure 5, that the single aluminium section bar of formation overlap joint frame has hollow offers 1 mounting groove 102 at the top of said hollow matrix 101; The notch of said mounting groove 102 has snap close 103; The gusset 104 that has evagination at the bottom and the rear portion of said hollow matrix 101, embodiment select for use the gusset 104 of evagination for the laminate of evagination, and be as shown in Figure 5; The gusset 104 of the evagination of bottom is used for fixing display screen; Can securing part on the gusset 104 of the evagination at rear portion, the support effect of performance aluminium alloy extrusions

To shown in Figure 8, adjacent two aluminium section bar 100a, 100b are vertical connection by square contiguous block 105 like Fig. 6, and square contiguous block 105 is connected to the inside of the hollow matrix 101 of aluminium section bar, and be closely fixing, promptly can be spliced into a rectangular frame by that analogy.Also can be chosen between square contiguous block 105 and the hollow matrix 101 and further strengthen being connected through screw.Erection bolt web member 106 in the mounting groove 102 of aluminium section bar, the overlap joint frame that will be spliced into by bolt connection piece 106 is fixed on the frame of machine, and wherein snap close 103 plays the effect of fastening bolt connection piece 106.Article four, the gusset 104 of the evagination at aluminium section bar rear portion also is spliced into rectangular frame, stationary machines parts above that respectively.

Above-described only is the preferred implementation of the utility model, and the utility model is not limited to above embodiment.Be appreciated that other improvement and variation that those skilled in the art directly derive or associate under the prerequisite of spirit that does not break away from the utility model and design, all should think to be included within the protection domain of the utility model.

Claims

1. the display device of operation information on the bus; Form by display screen and overlap joint frame all around thereof; Said display screen comprises LED luminous tube array and display control board, it is characterized in that: said display control board comprises host computer (1), 232 drivers (2), 485 drivers (3), CPU processor (4), FLASH storer (5), EE storer (6), static memory (7), scanning logic array (8) and line drive (9);

Said host computer (1) is connected with CPU processor (4) through 232 drivers (2) or 485 drivers (3), and name of station is preserved in its inside, the circuit concrete number reaches multiple character library according to this, and above-mentioned information can be read by CPU processor (4);

Said FLASH storer (5) is connected with CPU processor (4), and the GB character library is preserved in its inside, and above-mentioned information can be called by CPU processor (4);

Said CPU processor (4) is connected with host computer (1) through 232 drivers (2) or 485 drivers (3); Be connected with FLASH storer (5) simultaneously; The name of station, the circuit concrete number that are used to read in the host computer (1) reach multiple character library according to this; Perhaps read the GB character library in the FLASH storer (5), and combine character library name of station, circuit name data are arranged and/or to compress, form Image Data;

Said EE storer (6) is connected with CPU processor (4), is used to preserve the raw data of name of station, circuit name;

Said static memory (7) is connected with CPU processor (4), scanning logic array (8) and line drive (9), is used for preserving the Image Data after CPU processor (4) is handled, and is called by scanning logic array (8);

Said scanning logic array (8) is connected with CPU processor (4), static memory (7) and line drive (9); Be used to produce the display screen line column scan signal; Read the Image Data in the static memory (7) synchronously; Cooperate the rank scanning signal, and transmit signals to line drive (9);

Said line drive (9) is connected with scanning logic array (8) and static memory (7), is used for signal is amplified transmission.

2. according to the display device of operation information on the said bus of claim 1; It is characterized in that: said overlap joint frame is to be cut by two ends to become four rectangular frames that aluminium section bar is spliced of 45 °; Said aluminium section bar has hollow matrix; Adjacent two aluminium section bars are connected through the square contiguous block, and said square contiguous block is connected to the inside of hollow matrix, offers mounting groove at the top of said hollow matrix; The notch of said mounting groove has snap close, has the gusset of evagination in the bottom of said hollow matrix.

3. according to the display device of operation information on the said bus of claim 2, it is characterized in that: said hollow matrix top has at least 1 mounting groove, is provided with bolt connection piece in the said mounting groove.

4. according to the display device of operation information on the said bus of claim 2, it is characterized in that: the evagination gusset that the bottom of said hollow matrix has is the laminate of evagination.