CN202084186U

CN202084186U - Bus distance display system

Info

Publication number: CN202084186U
Application number: CN2011201933629U
Authority: CN
Inventors: 王丹净
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-06-09
Filing date: 2011-06-09
Publication date: 2011-12-21
Anticipated expiration: 2021-06-09

Abstract

The utility model discloses a bus distance display system, which comprises a power module, a control circuit, a first GPS (global position system) module mounted on a bus, a second GPS module mounted on a bus station, a GPS network, a communication module, a display driving circuit and a display screen, wherein the first GPS module is in signal connection with the second GPS module through the GPS network, the power module, the second GPS module and the communication module are respectively electrically connected with the control circuit, and the control circuit and the display driving circuit are electrically connected with the display screen sequentially. The bus distance display system is capable of overcoming the shortcomings of poor interference resistance, high energy consumption, short service life, low reliability and the like in the prior art, and has the advantages of fine interference resistance, low energy consumption, long service life and high reliability.

Description

A kind of bus distance display system

Technical field

The utility model relates to the vehicles, particularly, relates to a kind of bus distance display system.

Background technology

Modern life rhythm is more and more faster, and the effect of traffic is also more and more important, and public transport is a best choice in the city.But owing to reasons such as traffic jams, bus often can not guarantee to move on schedule, is a no small puzzlement for the passenger who is in a hurry.

If the passenger can in time understand bus ruuning situation, with the distance of public transport platform, whether the passenger just can select to continue to wait for according to the worried degree of oneself, so just give up the misgivings of passenger's trip to bus, thereby encourage the passenger to take bus as far as possible, citizen have promptly been made things convenient for, reduce the quantity of self driving again, advocated environmental protection.

In addition, the GPS that installs on coach, the bus is used for navigation and definite position more; Existing bus GPS system does not design control system, finish bus range finding, call out the stops, function such as demonstration; Range measurement system in the past adopts radio signal, and transmission range is limited, is subject to disturb; Display board in the existing bus stop mainly is the mode that adopts the daylight lamp lamp box, and power consumption is big, maintenance workload is big, fragile, shortcoming such as the life-span is short.

In realizing process of the present utility model, the inventor finds to exist at least in the prior art that anti-interference is poor, amount of energy consumption is big, serviceable life is short and defectives such as reliability is low.

Summary of the invention

The purpose of this utility model is, at the problems referred to above, proposes a kind of bus distance display system, with realize that anti-interference is good, amount of energy consumption is little, long service life and the high advantage of reliability.

For achieving the above object, the technical solution adopted in the utility model is: a kind of bus distance display system, comprise power module, control circuit, be installed in a GPS module on the bus, be installed in the 2nd GPS module, GPS network, communication module, display driver circuit and the display screen of bus stop, wherein: a described GPS module is connected with the 2nd GPS module by signal by the GPS network, and power module, the 2nd GPS module and communication module are electrically connected with control circuit respectively; Described control circuit, display driver circuit and display screen are electrically connected successively.

Further, above-mentioned bus distance display system also comprises language storage chip, power amplification circuit and loudspeaker, and described control circuit, language storage chip, power amplification circuit and loudspeaker are electrically connected successively.

Further, above-mentioned bus distance display system also comprises the upgrading control module, and described upgrading control module and control circuit are electrically connected.

Further, described display screen comprises LED display.

Further, described communication module comprises the RS232 serial line interface.

The bus distance display system of each embodiment of the utility model, owing to comprise power module, control circuit, be installed in a GPS module on the bus, be installed in the 2nd GPS module, GPS network, communication module, display driver circuit and the display screen of bus stop, wherein, the one GPS module is connected with the 2nd GPS module by signal by the GPS network, power module, the 2nd GPS module and communication module are electrically connected with control circuit respectively, and control circuit, display driver circuit and display screen are electrically connected successively; Can provide positional information and distance accurately by a GPS module, the 2nd GPS module can be sent to control circuit with this positional information and distance, control circuit can be according to corresponding information Control display driver circuit and display screen, to show the distance between current bus and the current bus stop; Thereby can overcome that anti-interference is poor in the prior art, amount of energy consumption is big, serviceable life is short and the low defective of reliability, with realize that anti-interference is good, amount of energy consumption is little, long service life and the high advantage of reliability.

Other features and advantages of the utility model will be set forth in the following description, and, partly from instructions, become apparent, perhaps understand by implementing the utility model.The purpose of this utility model and other advantages can realize and obtain by specifically noted structure in the instructions of being write, claims and accompanying drawing.

Below by drawings and Examples, the technical solution of the utility model is described in further detail.

Description of drawings

Accompanying drawing is used to provide further understanding of the present utility model, and constitutes the part of instructions, is used from explanation the utility model with embodiment one of the present utility model, does not constitute restriction of the present utility model.In the accompanying drawings:

Fig. 1 is the principle of work synoptic diagram according to the utility model bus distance display system.

In conjunction with the accompanying drawings, Reference numeral is as follows among the utility model embodiment:

1-the one GPS module; The 2-GPS network; 3-the 2nd GPS module; The 4-control circuit; The 5-power module; The 6-control module of upgrading; 7-voice storage chip; The 8-power amplification circuit; The 9-loudspeaker; The 10-display driver circuit; The 11-LED display screen; The 12-RS232 serial line interface.

Embodiment

Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the utility model, and be not used in qualification the utility model.

According to the utility model embodiment, provide a kind of bus distance display system.As shown in Figure 1, present embodiment comprises power module 5, control circuit 4, is installed in the GPS module 1 on the bus, the 2nd GPS module 3 that is installed in the bus stop, GPS network 2, communication module, display driver circuit 10, display screen, voice storage chip 7, power amplification circuit 8, loudspeaker 9 and upgrading control module 6, wherein: a GPS module 1 is connected with the 2nd GPS module 3 signals by GPS network 2, power module 5, the 2nd GPS module 3, communication module and upgrading control module 6 are electrically connected with control circuit 4 respectively; Control circuit 4 is electrically connected by display driver circuit 10 and display screen, and is electrically connected successively with loudspeaker 9 by voice storage chip 7, power amplification circuit 8.

Here, display screen comprises LED display 11, and communication module comprises RS232 serial line interface 12.

In the above-described embodiments, a GPS module 1 is installed on the bus, can provide position and distance accurately for this bus distance display system; The 2nd GPS module 3 is installed in the bus stop, can receive the range information of a GPS module 1 by GPS network 2, and sends this information to control circuit 4; Control circuit 44 can be according to the bus range information of the 2nd GPS module 3 transmission, control display driver circuit 10, and display driver circuit 10 driving LED display screens 11 come out the distance display of bus and bus stop.

Simultaneously, the bus range information that control circuit 4 transmits according to the 2nd GPS module 3, the corresponding speech data of control voice storage chip 7 outputs after power amplification circuit 8 amplifications, drives the information of arriving at a station and other situations that loudspeaker 9 is play bus; Power module 5 is used to whole bus distance display system that power supply is provided, and guarantees the operate as normal of bus distance display system; Upgrading control module 6 is used to control the show state of LED display 11 and the broadcast state of loudspeaker 9; Functional control module can also be upgraded to this bus distance display system by the RS-232 serial line interface.

Compared with prior art, in the bus distance display system of the foregoing description,,, be convenient to use so the ratio between investments of this bus distance display system is little because now a lot of bus has been installed the GPS module; Adopt the GPS module, antijamming capability is strong, neither can or not blocked by the buildings in city again, to guarantee the reliability of bus distance display system by the various wireless signal influences in the city; Adopt the GPS module, orientation distance is far away, is not subjected to distance limit, is suitable for city, the various public transports in suburb; Adopt the GPS module, the bearing accuracy height, so the distance that shows is accurate, error is little; Adopt LED display 11, luminescence efficiency height, low, the low price of energy consumption are convenient to promote; Be provided with loudspeaker 9, can remind passenger's bus arrival information intuitively, in time.

In sum, the bus distance display system of each embodiment of the utility model, can can provide positional information and distance accurately by a GPS module, the 2nd GPS module can be sent to control circuit with this positional information and distance, control circuit can be according to corresponding information Control display driver circuit and display screen, to show the distance between current bus and the current bus stop; Can overcome transmission range in the prior art limited, be subject to disturb, lack the range finding of finishing bus, call out the stops, demonstration and advantage such as power consumption is big, maintenance workload is big, fragile, functional defect such as the life-span is short, and is far away with the orientation distance of realizing the bus range finding, that bearing accuracy is high, antijamming capability is strong.

It should be noted that at last: the above only is preferred embodiment of the present utility model, be not limited to the utility model, although the utility model is had been described in detail with reference to previous embodiment, for a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims

1. bus distance display system, it is characterized in that, comprise power module, control circuit, be installed in a GPS module on the bus, be installed in the 2nd GPS module, GPS network, communication module, display driver circuit and the display screen of bus stop, wherein:

A described GPS module is connected with the 2nd GPS module by signal by the GPS network, and power module, the 2nd GPS module and communication module are electrically connected with control circuit respectively; Described control circuit, display driver circuit and display screen are electrically connected successively.

2. bus distance display according to claim 1 system is characterized in that also comprise language storage chip, power amplification circuit and loudspeaker, described control circuit, language storage chip, power amplification circuit and loudspeaker are electrically connected successively.

3. bus distance display according to claim 1 and 2 system is characterized in that also comprise the upgrading control module, described upgrading control module and control circuit are electrically connected.

4. bus distance display according to claim 1 system is characterized in that described display screen comprises LED display.

5. bus distance display according to claim 1 system is characterized in that described communication module comprises the RS232 serial line interface.