CN213659896U

CN213659896U - Multi-point type LED dot matrix nixie tube

Info

Publication number: CN213659896U
Application number: CN202022915675.2U
Authority: CN
Inventors: 熊褚光
Original assignee: Foshan Crystal Optoelectronic Technology Co ltd
Current assignee: Foshan Crystal Optoelectronic Technology Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-07-09
Anticipated expiration: 2030-12-08

Abstract

The utility model discloses a multi-point type LED dot matrix nixie tube, which comprises a shell, wherein the surfaces of two sides of the shell are respectively provided with a first heat dissipation hole and a second heat dissipation hole, the interiors of the first heat dissipation hole and the second heat dissipation hole are respectively fixedly connected with a first heat dissipation fin and a second heat dissipation fin, the interior of the shell is fixedly connected with a fixed plate, the upper end of the fixed plate is fixedly connected with a PCB plate through glue, the upper end surface and the lower end surface of the PCB plate are respectively welded with an LED dot matrix and a driving chip through tin soldering, the utility model discloses a first heat dissipation hole and a second heat dissipation hole are respectively arranged on the surfaces of two sides of the shell, and the interiors of the first heat dissipation fin and the second heat dissipation hole are respectively fixedly connected with a first heat dissipation fin and a second heat dissipation fin, so that the first heat dissipation hole and the second heat dissipation hole are mutually matched, the service life of the multi-point type LED dot matrix nixie tube is well prolonged.

Description

Multi-point type LED dot matrix nixie tube

Technical Field

The utility model relates to a charactron technical field specifically is a multipoint formula LED dot matrix charactron.

Background

The LED nixie tube is composed of light emitting diodes, also called a semiconductor nixie tube, the strip light emitting diodes are connected according to a common cathode (negative electrode) or common anode (positive electrode) method to form a 8 character, and the other electrode of the light emitting diodes is used as a pen section electrode to form the LED nixie tube, if the light emitting diodes on certain pen sections can display series numbers from 0 to 9 according to the specification, compared with a fluorescent nixie tube and a glow nixie tube (NRT), the LED nixie tube has the advantages of small volume, low power consumption, vibration resistance, long service life, high brightness, good monochromaticity, short time of luminous response and the like.

However, the current-constant chips for LED nixie tubes all have power consumption requirements, and the high voltage power consumption is large, if the power consumption is too large, the chip will be burnt out if the heat is not dissipated, and the chip is close to the PCB and the LED chip, and the heat of the chip is easily radiated to the PCB and the LED chip, which affects the service life of the chip. Therefore, a multi-point type LED dot matrix nixie tube is provided.

Disclosure of Invention

An object of the utility model is to provide a multipoint mode LED dot matrix charactron to propose the general constant current chip of LED charactron in solving above-mentioned background art and all have the power to consume the requirement, voltage high power dissipation is just big, if the consumption is too big, the heat is scattered and is not gone out and will lead to the chip to burn out, and the chip is nearer with PCB board and LED paster distance, and the heat of chip easily radiates to PCB board and LED paster on, influences its life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multipoint mode LED dot matrix charactron, includes the shell, first louvre and second louvre have been seted up respectively to the both sides surface of shell, the inside first heat radiation fin of fixedly connected with and the second heat radiation fin of second louvre respectively, the inside fixedly connected with fixed plate of shell, glue fixedly connected with PCB board is passed through to the fixed plate upper end, LED dot matrix and driver chip have been welded through the soldering respectively to both ends face about the PCB board, one side of driver chip is provided with the pin, the terminal surface is passed through soldering and welding under the PCB board in the upper end of pin, the shell up end passes through glue fixedly connected with display panel.

Preferably, the first heat dissipation hole and the second heat dissipation hole are both in a strip-shaped structure.

Preferably, the number of the first radiating fins and the number of the second radiating fins are provided with a plurality of groups.

Preferably, four groups of fixing plates are arranged in the number of the fixing plates, and the four groups of fixing plates are respectively positioned at four corners of the inner wall of the shell.

Preferably, the lower end face of the PCB is provided with a protective layer, and the protective layer is made of epoxy resin glue.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a first louvre and second louvre have been seted up respectively on the both sides surface of shell, and the inside of first louvre and second louvre is the first heat radiation fins of fixedly connected with and second heat radiation fins respectively moreover, makes it use of mutually supporting, can realize dispelling the heat to multipoint type LED dot matrix charactron, has improved the radiating effect of multipoint type LED dot matrix charactron, fine extension the life of multipoint type LED dot matrix charactron.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a left side view structural diagram of the housing of the present invention.

Fig. 3 is a right side view structural diagram of the housing of the present invention.

In the figure: 1. a housing; 2. a driving chip; 3. a protective layer; 4. a pin; 5. a PCB board; 6. an LED dot matrix; 7. a display panel; 8. a first heat dissipation hole; 9. a first heat radiation fin; 10. a second heat dissipation hole; 11. a second heat radiation fin; 12. and (7) fixing the plate.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a multipoint mode LED dot matrix charactron, includes shell 1, first louvre 8 and second louvre 10 have been seted up respectively to the both sides surface of shell 1, the inside of first louvre 8 and second louvre 10 is the first heat radiation fin 9 of fixedly connected with and second heat radiation fin 11 respectively, the inside fixedly connected with fixed plate 12 of shell 1, glue fixedly connected with PCB board 5 is passed through to fixed plate 12 upper end, the welding of both ends face has LED dot matrix 6 and driver chip 2 through the soldering respectively about PCB board 5, one side of driver chip 2 is provided with pin 4, the upper end of pin 4 is through soldering terminal surface under PCB board 5, glue fixedly connected with display panel 7 is passed through to the terminal surface on the shell 1.

First louvre 8 and second louvre 10 are rectangular shape structure for the air keeps the circulation, has improved the radiating effect, first heat radiation fin 9 and second heat radiation fin 11's quantity all is provided with the multiunit, can carry out fine heat dissipation to the charactron, the quantity of fixed plate 12 is provided with four groups and four group's fixed plate 12 are located the inner wall four corners position of shell 1 respectively, has made things convenient for the installation fixed to PCB board 5, the terminal surface is provided with inoxidizing coating 3 under PCB board 5, inoxidizing coating 3 is epoxy glue, plays fine guard action to PCB board 5.

Specifically, during the use, through first louvre 8 and second louvre 10 have been seted up respectively at the both sides surface of shell 1, and the inside of first louvre 8 and second louvre 10 is the first heat radiation fin 9 of fixedly connected with and the second heat radiation fin 11 respectively, makes its use of mutually supporting, can realize dispelling the heat to multi-point type LED dot matrix charactron, has improved the radiating effect of multi-point type LED dot matrix charactron, fine extension multi-point type LED dot matrix charactron's life.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A multipoint type LED dot matrix nixie tube comprises a shell (1) and is characterized in that: first louvre (8) and second louvre (10) have been seted up respectively to the both sides surface of shell (1), the inside of first louvre (8) and second louvre (10) is the first heat radiation fin (9) of fixedly connected with and second heat radiation fin (11) respectively, the inside fixedly connected with fixed plate (12) of shell (1), glue fixedly connected with PCB board (5) is passed through to fixed plate (12) upper end, LED dot matrix (6) and driver chip (2) are welded respectively through the soldering to both ends face about PCB board (5), one side of driver chip (2) is provided with pin (4), the upper end of pin (4) is through soldering terminal surface under PCB board (5), shell (1) up end is through glue fixedly connected with display panel (7).

2. The multi-point LED dot matrix nixie tube according to claim 1, wherein: the first heat dissipation hole (8) and the second heat dissipation hole (10) are both of a strip-shaped structure.

3. The multi-point LED dot matrix nixie tube according to claim 1, wherein: the number of the first radiating fins (9) and the number of the second radiating fins (11) are provided with a plurality of groups.

4. The multi-point LED dot matrix nixie tube according to claim 1, wherein: the number of the fixing plates (12) is provided with four groups, and the four groups of fixing plates (12) are respectively positioned at four corners of the inner wall of the shell (1).

5. The multi-point LED dot matrix nixie tube according to claim 1, wherein: the PCB is characterized in that a protective layer (3) is arranged on the lower end face of the PCB (5), and the protective layer (3) is epoxy resin glue.