CN212624666U

CN212624666U - LED digital display

Info

Publication number: CN212624666U
Application number: CN202021756275.5U
Authority: CN
Inventors: 严德成; 夏阳
Original assignee: Suzhou Chuanggao Electronics Co ltd
Current assignee: Suzhou Chuanggao Electronics Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-02-26
Anticipated expiration: 2030-08-20

Abstract

The utility model relates to a LED digital display, including the PCB board, glue a plurality of LED lamps on the PCB board, a plurality of charactron that are used for showing that sets up corresponding to the position of LED lamp, still include a plurality of switch that dabs, dab the switch and set up on the PCB board, a plurality of switch and a plurality of LED lamps that dabs, set up resistance and electric capacity on the PCB board and the integrated circuit looks electricity on the PCB board are connected, and each dabs the LED lamp that the switch controlled different positions respectively. The LED lamps are divided into several groups, each group forms a path, the on-off of the circuit is controlled by a separate touch switch, in actual use, the control of the LED lamps by the integrated circuit is still kept, and when special requirements exist, the on-off of one path of LED lamps can be controlled by manually operating the corresponding touch switch, so that the nixie tube presents patterns or characters beyond preset patterns or usual colors.

Description

LED digital display

Technical Field

The utility model relates to a LED digital display.

Background

The conventional LED digital display is generally mainly composed of a digital display housing and a circuit board assembly disposed in the housing, wherein the circuit board assembly includes a printed circuit board, an LED light source welded on the printed circuit board, an integrated circuit chip, a resistor and a capacitor, and an external pin welded on the printed circuit board, and the LED light source is connected with the integrated circuit chip through a circuit on the printed circuit board.

The LED light source is controlled by the chip through a circuit, so that the LED emits light, and patterns or characters are presented through the surface cover of the digital display shell.

In the way of controlling the LED to emit light through the integrated circuit chip, because the whole LED light source is controlled, patterns or characters which can be presented are often in a set format or form, and in practical application, when patterns or character styles which are not in the preset format need to be presented, the way of controlling through the chip is difficult to achieve.

Disclosure of Invention

In order to solve the problem, the utility model provides a LED digital display, it can overcome the not enough of prior art, is according to actual demand by the bright or dark of each way LED light source of artificial independent control.

In order to achieve the above object, the utility model provides a LED digital display, including the PCB board, glue a plurality of LED lamps on the PCB board, a plurality of charactron that are used for showing that sets up corresponding to the position of LED lamp, still include a plurality of switch that dabs, dabs the switch and sets up on the PCB board, a plurality of switch and a plurality of LED lamps that dabs, set up resistance and electric capacity on the PCB board and the integrated circuit looks electricity on the PCB board are connected, and each dabs the LED lamp that the switch controlled different positions respectively. The LED lamps are divided into several groups, each group forms a path, the on-off of the circuit is controlled by a separate touch switch, in actual use, the control of the LED lamps by the integrated circuit is still kept, and when special requirements exist, the on-off of one path of LED lamps can be controlled by manually operating the corresponding touch switch, so that the nixie tube presents patterns or characters beyond preset patterns or usual colors.

Further, according to the utility model discloses a LED digital display preferably still includes a housing, and this housing fixed connection is in the PCB board, and the charactron is located the housing, and the housing lives a plurality of LED lamp cladding, dabs the switch and is located outside the housing. The nixie tube and the housing are assembled with the PCB in an air-tight mode, so that the nixie tube and the housing are simple, convenient and quick to assemble and are favorable for disassembly and replacement.

Further, the housing is preferably made of modified polyphenylene ether resin.

In one embodiment, the plurality of LED lamps includes 55 orange LED lamps and 47 green LED lamps. The orange and green LED lamps are arranged according to a required combination, and are superposed to form a required color after light emitting, and the required color is displayed by the nixie tube.

More specifically, 7 tact switches are required in the above scheme.

In another specific embodiment, the plurality of LED lamps includes 42 orange LED lamps and 33 green LED lamps. Unlike the previous embodiment, where the number of LED lights is reduced, these orange and green LED lights are arranged in another combination and the presentation by the nixie tube will be correspondingly different from the previous embodiment. More specifically, 5 tact switches are required corresponding to this scheme.

Preferably, the LED lamp and the tact switch are arranged on the front surface of the PCB, and the back surface of the PCB is also provided with a connector.

Preferably, the PCB board is formed by laminating an epoxy resin fiberglass substrate and a copper foil.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

the LED digital display is more suitable for practical application requirements by allowing a single LED lamp to be turned on or off through manual operation by touching the switch so as to present characters or patterns with required colors or patterns on the digital tube.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic front view of an LED digital display according to a first embodiment of the present invention;

FIG. 2 is a side view of the structure shown in FIG. 1;

fig. 3 is a schematic front view of an LED digital display according to a second embodiment of the present invention.

Wherein: 1. a PCB board; 2. a housing; 3. a tact switch; 4. a nixie tube; 5. an LED lamp; 6. a connector assembly.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3 in combination, in the embodiments shown in the figures, the LED digital display main body is composed of a PCB (printed circuit board) 1, a plurality of LED lamps 5 bonded to the PCB 1, and a plurality of nixie tubes 4 for displaying arranged corresponding to the positions of the LED lamps 5. The LED lamp 5, the resistor and the capacitor which are arranged on the PCB board 1 are electrically connected with the integrated circuit on the PCB board 1. The integrated circuits and the resistors and capacitors on the PCB 1 are well known to those skilled in the art and are therefore not shown in the drawings and will not be described in detail here.

As shown in fig. 2, the LED lamp 5 and the tact switch 3 are provided on the front surface of the PCB board 1, and a connector 6 is further formed on the rear surface of the PCB board 1 as a connection socket, and the connector 6 is also connected to the integrated circuit on the PCB board 1. The terms "positive" and "negative" as used herein and elsewhere are not intended to define the actual features of the device, but rather are described in terms of application conventions, are intended to illustrate the relative positional relationships of the parts, and should not be construed as limiting the technical features.

PCB board 1 can be formed by epoxy glass fiber substrate and copper foil lamination, and the PCB board electricity and the mechanical properties of this kind of material are all relatively good, can guarantee according to the utility model discloses a LED digital display tube's practicality and life.

The nixie tube 4 is combined with the PCB board 1 in an air-tight mode, as shown in the figures, the nixie tube 4 is located on the housing 2, the housing 2 is fixedly connected to the PCB board 1, and the housing 2 covers the LED lamps 5. In the embodiment shown in fig. 1 and 3, a plurality of nixie tubes 4 are combined to form an 8-shaped tube, and such an 8-shaped tube is generally used for displaying numbers. Of course, the display can be in other forms according to actual requirements, such as a pipe with a shape like a Chinese character mi, and the like.

The housing 2 can be made of modified polyphenyl ether resin, the modified polyphenyl ether is a known material, is obtained by blending polyphenyl ether and polystyrene, and is resin which is low in cost, good in dimensional stability and not easy to crack. The housing made of modified polyphenyl ether resin has good light transmission effect, and is water-resistant, heat-resistant and corrosion-resistant, so that the application range of the LED digital display is wider.

A plurality of light touch switches 3 are integrally mounted on the PCB 1, the LED lamps 5 are combined and arranged into a plurality of paths, one light touch switch 3 is connected to each path, and besides the combined light emitting and light emitting modes of the LED lamps 5 are controlled through an integrated circuit chip, the light touch switches 3 can also control the on and off of one path of the LED lamps 5.

For the convenience of operation, the tact switch 3 needs to be exposed without being enclosed by the case 2.

In the first embodiment shown in fig. 1-2, the LED lamps 5 comprise 55 orange lamps and 47 green lamps, and as can be seen from fig. 1, there are 12 groups of 8-shaped tubes.

The 55 orange lamps and 47 green lamps are grouped according to the final effect requirement formed by the superposition of light emission, so that the 12 groups of 8 character tubes formed by combining a plurality of nixie tubes 4 can present the numbers with the required colors and styles.

In addition, for manual control, all or part of the LED lamps 5 are divided into 7 paths for connection, correspondingly, there are 7 tact switches 3, each tact switch 3 is correspondingly connected to a street lamp, and each tact switch 3 can independently control on and off of the corresponding path of LED lamp 5.

In the second embodiment shown in fig. 3, the LED lamps 5 include 42 orange lamps and 33 green lamps. Unlike the first embodiment, the number of the orange lamps and the green lamps is reduced in the present embodiment, and accordingly, the number of the 8-shaped tubes is reduced to 8 sets. The 42 orange lamps and 33 green lamps are arranged and combined in another way different from the first embodiment to present the numbers of the required color and pattern through the 8-group 8-character tube.

In the second embodiment, all or part of the LED lamps 5 are connected in 5 paths, correspondingly, there are 5 tact switches 3, each tact switch 3 is connected to one path of the LED lamp 5, and the control method is basically the same as that of the first embodiment.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a LED digital display, includes PCB board (1), bonds in a plurality of LED lamps (5) on PCB board (1), correspond to a plurality of charactron (4) that are used for showing that the position of LED lamp (5) set up, its characterized in that: the LED lamp light source is characterized by further comprising a plurality of light touch switches (3), wherein the light touch switches (3) are arranged on the PCB (1), the light touch switches (3) are electrically connected with the LED lamps (5) and the integrated circuit on the PCB (1) through resistors and capacitors arranged on the PCB (1), and each light touch switch (3) controls the LED lamps (5) at different positions respectively.

2. The LED digital display according to claim 1, further comprising a cover (2), wherein the cover (2) is fixedly connected to the PCB board (1), the nixie tube (4) is disposed on the cover (2), the cover (2) covers the plurality of LED lamps (5), and the tact switch (3) is disposed outside the cover (2).

3. The LED digital display according to claim 2, wherein: the housing (2) is made of modified polyphenylene ether resin.

4. The LED digital display according to claim 1, wherein: the plurality of LED lamps (5) comprise 55 orange LED lamps and 47 green LED lamps.

5. The LED digital display according to claim 4, wherein: 7 light touch switches (3) are provided.

6. The LED digital display according to claim 1, wherein: the plurality of LED lamps (5) comprise 42 orange LED lamps and 33 green LED lamps.

7. The LED digital display according to claim 6, wherein: the number of the tact switches (3) is 5.

8. The LED digital display according to any of claims 1-7, wherein: the LED lamp (5) and the light touch switch (3) are arranged on the front surface of the PCB (1), and a connector assembly (6) is further formed on the back surface of the PCB (1).

9. The LED digital display according to any of claims 1-7, wherein: the PCB (1) is formed by laminating an epoxy resin glass fiber substrate and a copper foil.