CN203520757U

CN203520757U - LED digital calendar with high integration level

Info

Publication number: CN203520757U
Application number: CN201320433948.7U
Authority: CN
Inventors: 黎继兴
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-07-12
Filing date: 2013-07-12
Publication date: 2014-04-02
Anticipated expiration: 2023-07-12

Abstract

The utility model discloses an LED digital calendar with a high integration level, which comprises a calendar box body and a PCB (printed circuit board) which is arranged in the calendar box body and provided with an LED digital tube. The LED digital calendar with a high integration level further comprises a COB control board, a key module, a loudspeaker and a power supply module, wherein the COB control board is connected with the PCB, and the key module, the loudspeaker and the power supply module are connected with the COB control board. A control port of the COB control board is an I/O port with a tri-state characteristic which acts as a scanning port and adopts a coding type scanning mode, each of the scanning ports can both act as a COM line and act as an SEG line, and the scanning ports can be multiplexed. The LED digital calendar with the high integration level greatly reduces the number of the scanning ports, and is remarkably improved in the aspects of chip selection, PCB wiring, interface stability, design, layout and yield of products, convenience in maintenance and the like.

Description

High integration LED digital perpetual calendar

Technical field

The utility model relates to electronic technology field, particularly relates to a kind of LED digital perpetual calendar.

Background technology

LED digital perpetual calendar is a kind of widely used daily timing tool, and the time-of-day clock that numeral shows becomes more and more popular, and the place such as is particularly suitable on family room, office, meeting room, station and square and uses.LED digital perpetual calendar has appeared at as small household appliances in people's life for a long time, and has replaced gradually traditional clock and watch, becomes people and understands one of important tool of time.

But, existing LED digital perpetual calendar scan mode, by traditional special-purpose COM line and special-purpose SEG line sweep, its port utilization ratio is very low, such as: 5 COM lines and 10 SEG lines, can only scan at most 5 * 10=50 point, at present the conventional 7 COM lines of LED digital perpetual calendar and 17 SEG lines, or 7 SEG lines and 17 COM lines, altogether can scan 7 * 17=119 point.Used altogether 7+17=24 bar sweep trace.Visible port utilization ratio is very low, so also can make troubles to PCB layout, and cabling is pretty troublesome.Because port is many, pcb board and also pretty troublesome with the connection of the COB plate of control chip, easily occurs that welding connects the problems such as tin short circuit, loose contact.

Utility model content

The technical matters that the utility model mainly solves is to provide a kind of a large amount of sweep trace port that reduced, the high integration LED digital perpetual calendar being all significantly increased at aspects such as the layout of chip selection, PCB layout, interface stability, product and yield rate, maintenance conveniences, solved in prior art when perpetual calendar middle port utilization factor is very low, PCB layout inconvenience, the problem of cabling trouble.

For solving the problems of the technologies described above, the technical scheme that the utility model adopts is:

High integration LED digital perpetual calendar, it comprises: perpetual calendar box body; Be arranged on the pcb board that is provided with LED digital display tube in perpetual calendar box body; Also comprise the COB control panel being connected with described pcb board, the key-press module being connected with COB control panel and loudspeaker, power module; The control port of described COB control panel is to have the I/O mouth of three step responses as scanning port, and adopts coding type scan mode, and each scanning port can be used as COM line, can be used as again SEG line, can be multiplexing.

Described COB control panel comprises: with the control chip of clock driver circuit, the circuit system being connected with control chip, outer power detection circuit, temperature measurement circuit, option current, voice drive circuit, animation driving circuit and button inputting circuits, described outer power detection circuit is also connected with power module; Described voice drive circuit is also connected with loudspeaker; Described button inputting circuits is connected with key-press module.

Described COB control panel is by realizing in the socket of row's cushion on pcb board and being connected of pcb board.

Row's pin of described COB control panel is arranged on the both sides of COB control panel, and row's pin quantity of both sides and arrangement to put formula different; The quantity of the socket on described pcb board is corresponding with the row's pin on arrangement mode and COB control panel.

Described COB control panel is realized and being connected of pcb board by signal wire.

Described key-press module embeds or inserts perpetual calendar box body.

Described power module is that switch power module or transformer are touched group.

The I/O mouth that LED digital perpetual calendar described in the utility model has three step responses by employing is as scanning port, and adopt coding type scan mode, each scanning port can be used as COM line, can be used as again SEG line, can be multiplexing, solved prior art middle port utilization factor very low, PCB layout inconvenience, the problem of cabling trouble; Simultaneously, the utility model is all integrated in all driver modules on COB control panel, during production, only row's pin of COB control panel need be inserted to the socket on pcb board, and row's pin of COB control panel described in the utility model is arranged on the both sides of COB control panel, and row's pin quantity of both sides and arrangement to put formula different; The quantity of the socket on described pcb board is corresponding with the row's pin on arrangement mode and COB control panel, makes easy for installationly, can prevent the direction wrong plug of COB control panel simultaneously, thus the generation of having stopped the bad phenomenon such as short circuit; Certainly, COB control panel described in the utility model also can be realized and the linking of pcb board by signal wire; Secondly, when LED digital perpetual calendar described in the utility model breaks down, only COB control panel need be taken off and delivers to maintenance center from pcb board, not need whole electronic calendar to send and repair, make the maintenance of LED digital perpetual calendar more convenient.

Accompanying drawing explanation

Fig. 1 is the structural representation of the utility model embodiment high integration LED digital perpetual calendar one preferred embodiment;

Fig. 2 is the electrical block diagram of the utility model embodiment high integration LED digital perpetual calendar PCB;

In accompanying drawing, the mark of each parts is as follows: 1, perpetual calendar box body; 2, key-press module; 3, power module; 4, loudspeaker; 5, pcb board; 6, COB control panel; 7, LED digital display tube;

61, control chip; 62, circuit system; 63, outer power detection circuit; 64, temperature measurement circuit; 65, option current; 66, voice drive circuit; 67, animation driving circuit; 68, button inputting circuits.

Embodiment

Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that, protection domain of the present utility model is made to more explicit defining.

Refer to Fig. 1, the present embodiment provides high integration LED digital perpetual calendar, and it comprises: perpetual calendar box body 1; Be arranged on the pcb board that is provided with LED digital display tube 75 in perpetual calendar box body 1; Also comprise the COB control panel 6 being connected with described pcb board 5, the key-press module 2 being connected with COB control panel 6 and loudspeaker 4, power module 3; The control port of described COB control panel 6 is to have the I/O mouth of three step responses as scanning port, and adopts coding type scan mode, and each scanning port can be used as COM line, can be used as again SEG line, can be multiplexing.

Described COB control panel 6 comprises: with control chip 61, circuit system 62, outer power detection circuit 63, temperature measurement circuit 64, option current 65, voice drive circuit 66, animation driving circuit 67 and the button inputting circuits 68 of clock driver circuit; Described outer power detection circuit 63 is also connected with power module 3; Described voice drive circuit 66 is also connected with loudspeaker 4; Described button inputting circuits 68 is connected with key-press module 2.

Described COB control panel 6 is by realizing in the socket of row's cushion on pcb board 5 and being connected of pcb board 5.

Row's pin of described COB control panel 6 is arranged on the both sides of COB control panel 6, and row's pin quantity of both sides and arrangement to put formula different; The quantity of the socket on described pcb board 5 is corresponding with the row's pin on arrangement mode and COB control panel 6.

Described key-press module 2 embeds perpetual calendar box body.

Described power module 3 is switch power module.

The I/O mouth that LED digital perpetual calendar described in the utility model has three step responses by employing is as scanning port, and adopt coding type scan mode, each scanning port can be used as COM line, can be used as again SEG line, can be multiplexing, solved prior art middle port utilization factor very low, PCB layout inconvenience, the problem of cabling trouble; Simultaneously, the utility model is all integrated in all driver modules on COB control panel 6, during production, only row's pin of COB control panel 6 need be inserted to the socket on pcb board 5, and row's pin of COB control panel 6 described in the utility model is arranged on the both sides of COB control panel 6, and row's pin quantity of both sides and arrangement to put formula different; The quantity of the socket on described pcb board 5 is corresponding with the row's pin on arrangement mode and COB control panel 6, makes easy for installationly, can prevent the direction wrong plug of COB control panel 6 simultaneously, thus the generation of having stopped the bad phenomenon such as short circuit; Secondly, when LED digital perpetual calendar described in the utility model breaks down, only COB control panel 6 need be taken off and delivers to maintenance center from pcb board 5, not need whole electronic calendar to send and repair, make the maintenance of LED digital perpetual calendar more convenient.

Described in the present embodiment, COB control panel also can be realized with pcb board and being connected by signal wire; The described switch power module of this enforcement also can be transformer module.

The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model instructions and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.

Claims

1. high integration LED digital perpetual calendar, it comprises: perpetual calendar box body; Be arranged on the pcb board that is provided with LED digital display tube in perpetual calendar box body; It is characterized in that: also comprise the COB control panel being connected with described pcb board, the key-press module being connected with COB control panel and loudspeaker, power module; The control port of described COB control panel is to have the I/O mouth of three step responses as scanning port.

2. high integration LED digital perpetual calendar according to claim 1, is characterized in that: described COB control panel comprises: with control chip, circuit system, outer power detection circuit, temperature measurement circuit, option current, voice drive circuit, animation driving circuit and the button inputting circuits of clock driver circuit; Described outer power detection circuit is also connected with power module; Described voice drive circuit is also connected with loudspeaker; Described button inputting circuits is connected with key-press module.

3. high integration LED digital perpetual calendar according to claim 1, is characterized in that: described COB control panel is realized in the socket on pcb board by row's cushion and being connected of pcb board.

4. high integration LED digital perpetual calendar according to claim 2, is characterized in that: row's pin of described COB control panel is arranged on the both sides of COB control panel, and row's pin quantity of both sides and arrangement to put formula different; The quantity of the socket on described pcb board is corresponding with the row's pin on arrangement mode and COB control panel.

5. high integration LED digital perpetual calendar according to claim 1, is characterized in that: described COB control panel is realized and being connected of pcb board by signal wire.

6. high integration LED digital perpetual calendar according to claim 1, is characterized in that: described key-press module embeds or insert perpetual calendar box body.

7. high integration LED digital perpetual calendar according to claim 1, is characterized in that: described power module is that switch power module or transformer are touched group.