CN210091149U

CN210091149U - LED digital display device

Info

Publication number: CN210091149U
Application number: CN201921259721.9U
Authority: CN
Inventors: 黄育志; 程平平; 罗军
Original assignee: Jiangxi Hengming Science and Technology Development Co Ltd
Current assignee: Jiangxi Hengming Science and Technology Development Co Ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-02-18
Anticipated expiration: 2029-08-05

Abstract

The utility model provides a LED digital display device, including the casing and install in touch display screen and circuit board on the casing, the circuit board is located touch display screen below, touch display screen's display interface include data display area and touch button district, and the data display area is located display interface's middle part, touch button district are located around the data display area, on the circuit board with the position that the data display area corresponds is equipped with the LED charactron, on the circuit board with the position that the touch button district corresponds is equipped with the spring, and the spring includes turriform spring and cylindricality spring, is close to on the circuit board the position of spring is equipped with the PIN needle. Among the above-mentioned LED digital display device, certain button needs the protrusion to show on touch display screen, and when the area of increase button, the area that the spring covered on the circuit board can not increase, just can not receive the influence with arranging of the PIN needle that the spring closes on to set up yet.

Description

LED digital display device

Technical Field

The utility model relates to a digital technical field of LED, in particular to digital display device of LED.

Background

The LED digital display device is a semiconductor device with digital display and function display, and is widely used in electrical appliances, especially in the field of household appliances, such as air conditioners, water heaters, refrigerators, washing machines, and other operation panels.

With the development of technology, the screen of the current LED digital display device mostly adopts a touch display screen, which is an inductive liquid crystal display device capable of receiving input signals such as a touch, etc., when a graphical button on the screen is touched, a tactile feedback system on the screen can drive various connecting devices according to a pre-programmed program, and can be used to replace a mechanical button panel. Generally speaking, the below of touch display button is equipped with the spring, the upper end and the touch display screen electric connection of spring, the lower extreme of spring is fixed on the circuit board with the inside circuit component electric connection of display device, on the circuit board, be located near of spring and be equipped with the PIN needle, for whole display device's smooth operation, the spring can not contact with the PIN needle, if the area of increase button then, the spring coil of spring also can corresponding increase, for guaranteeing that the PIN needle does not contact with the spring, the space of arranging of PIN needle will dwindle.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a LED digital display device to the increase of button area can extrude the problem in PIN needle distribution space in solving current LED digital display device.

The utility model provides a digital display device of LED, includes the casing and install in touch display screen and circuit board on the casing, the circuit board is located touch display screen below, touch display screen's display interface includes data display area and touch button district, the data display area is located the middle part of display interface, the touch button district is located around the data display area, on the circuit board with the position that the data display area corresponds is equipped with the LED charactron, on the circuit board with the position that the touch button district corresponds is equipped with the spring, the spring includes the spring circle follow the circuit board arrives touch display screen diameter crescent turriform spring to and the unchangeable cylindricality spring of spring circle diameter, be close to on the circuit board the position of spring is equipped with the PIN needle.

Among the above-mentioned LED digital display device, the spring that the touch key district below set up includes turriform spring and cylindricality spring, the spring coil of turriform spring is crescent from the circuit board to the touch-sensitive screen, so, the area that falls on the touch-sensitive screen in the turriform spring coil just can be greater than the area that falls on the circuit board in the turriform spring coil, the spring coil at tower spring bottom is the same with the spring coil diameter of cylindricality spring, the touch button area that turriform spring corresponds is bigger, thus, need the certain button of protrusion display on the display screen, and when the area of increase button, the area that the spring covered on the circuit board can not increase, just can not receive the influence with arranging of the PIN needle that the spring closes on the setting.

Furthermore, the touch key area comprises a main key area and an auxiliary key area, the diameter of the key of the main key area is larger than that of the key of the auxiliary key area, the tower-shaped spring is installed below the main key area, and the cylindrical spring is installed below the auxiliary key area.

Further, the touch display screen is square display screen, the main button district is including being located respectively first main button and second main button on the two adjacent corners of touch display screen, with one side at main button district place does the front end of touch display screen, vice button district is including being located the first vice button and the vice button of second in first main button rear, and be located the third vice button and the fourth vice button in second main button rear.

Furthermore, the shell comprises a first shell and a second shell, the touch display screen is fixed in the first shell, the circuit board is contained in the second shell, and the first shell and the second shell are detachably connected.

Furthermore, the quantity of assembly points between the first casing and the second casing includes three groups, is first assembly point, second assembly point and third assembly point respectively, touch display screen is including being used for dodging the first mouth of dodging, the second of dodging and the third of dodging of assembly point dodge the mouth and dodge the mouth, first dodge the mouth be located first main button with between the second main button the second dodge the mouth be located the rear side of the vice button of second, the third dodges the mouth be located the rear side of the vice button of fourth.

Further, be equipped with on the circuit board and be used for the installation the mounting hole of spring, the bottom of spring is equipped with the pin, the pin includes two spring wires and becomes the biped pin of one strand and only contains the single-footed pin of a spring wire, the mounting hole include with the waist type hole of biped pin adaptation and with the round hole of single-footed pin adaptation.

Further, the spring is fixed in the mounting hole by soldering.

Further, the number of the PIN PINs comprises two groups distributed near the touch key area, and the spring is not in contact with the PIN PINs.

Furthermore, the top of the spring is electrically connected with the touch display screen, and the bottom of the spring is electrically connected with the LED nixie tube.

Furthermore, the LED nixie tubes are arranged on the circuit board in an 8 shape.

Drawings

Fig. 1 is a schematic structural diagram of an LED digital display device according to an embodiment of the present invention;

fig. 2 is a schematic view of a display interface structure of an LED digital display device according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a front side structure of a circuit board assembly of an LED digital display device according to an embodiment of the present invention;

fig. 4 is a schematic view of a circuit board assembly back structure of an LED digital display device according to an embodiment of the present invention;

fig. 5 is a schematic structural view of the first spring.

Description of the main element symbols:

the following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 5, an LED digital display device according to an embodiment of the present invention is shown, which includes a housing 10, and a touch display 20 and a circuit board 60 mounted on the housing 10, the circuit board 60 is located below the touch display screen 20, a display interface of the touch display screen 20 includes a data display area 21 and a touch key area, the data display area 21 is located in the middle of the display interface, the touch key area is located around the data display area 21, an LED nixie tube is arranged on the circuit board 60 at a position corresponding to the data display area 21, springs are arranged on the circuit board 60 at positions corresponding to the touch key areas, the springs comprise tower-shaped springs with spring coils gradually increasing in diameter from the circuit board 60 to the touch display screen 20, and a cylindrical spring with a constant diameter of a spring coil, and a PIN PIN 40 is arranged on the circuit board 60 at a position close to the spring.

Wherein, the touch display technology of LED digital display device belongs to the existing technology that has been developed, and the detailed description is not given here, and in this utility model's LED digital display device, be equipped with spring and PIN needle 40 on the circuit board 60 in order to realize the touch regulatory function of button on the display screen, PIN needle 40 sets up near the spring. Generally, the button in the touch button district is because the importance of function is different, the size of button has the difference, and on circuit board 60, the spring can not contact with PIN needle 40, if adopt traditional cylindricality spring, then under some big buttons, the spring coil of spring also can be great, thereby extrude the space of arranging of PIN needle 40, and use the turriform spring, just can be under the unchangeable condition of spring coil diameter that the spring contacted with circuit board 60, the spring coil increase of spring and touch display screen 20 contact, thereby satisfy the demand of the great touch button of area.

Specifically, the touch key area comprises a main key area and an auxiliary key area, the diameter of the key of the main key area is larger than that of the key of the auxiliary key area, the tower-shaped spring is installed below the main key area, and the cylindrical spring is installed below the auxiliary key area.

Further, referring to fig. 2, it can be seen that the touch display screen 20 is a square display screen, the main key area includes a first main key 221 and a second main key 222 respectively located at two adjacent corners of the touch display screen 20, one side where the main key area is located is the front end of the touch display screen 20, and the auxiliary key area includes a first auxiliary key 223 and a second auxiliary key 224 located behind the first main key 221, and a third auxiliary key 225 and a fourth auxiliary key 226 located behind the second main key 222. First main button 221 does the utility model provides a digital display device's of LED start-up button, second main button do the utility model provides a digital display device's of LED main function button, in addition, first pair button 223, the vice button 224 of second, the vice button 225 of third and the vice button 226 of fourth are the adjustment button. The distinction of the main key area and the auxiliary key area ensures that the display interface of the whole display screen is clear in primary and secondary and clear in order. Referring to fig. 2 and 3, corresponding to the touch key area, the circuit board 60 is provided with a first main spring 31 corresponding to the first main key 221, a second main spring 32 corresponding to the second main key 222, and tower springs of the first main spring 31 and the second main spring 32, in addition, the circuit board 60 is provided with a first auxiliary spring 33, a second auxiliary spring 34, a third auxiliary spring 35, and a fourth auxiliary spring 36 corresponding to the first auxiliary key 223, the second auxiliary key 224, the third auxiliary key 225, and the fourth auxiliary key 226, respectively, and the first auxiliary spring 33, the second auxiliary spring 34, the third auxiliary spring 35, and the fourth auxiliary spring 36 are all cylindrical springs.

In this embodiment, it should be noted that the LED nixie tubes mounted on the circuit board 60 below the data display area 21 are arranged in a "8" shape, as shown in fig. 2, the data display area 21 displays five "8" shapes, and is arranged in two rows, the first row includes two "8" shapes, the first sub key 223 and the third sub key 225 are located on two sides of the "8" shape in the first row, the "8" shape in the second row includes three, and the second sub key 224 and the fourth sub key 226 are located on two sides of the "8" shape in the second row.

Specifically, the housing 10 includes a first housing 11 and a second housing 12, the touch display screen 20 is fixed in the first housing 11, the circuit board 60 is accommodated in the second housing 12, and the first housing 11 is detachably connected to the second housing 12. First casing 11 with the quantity of assembly point between the second casing 12 includes three groups, is first assembly point 51, second assembly point 52 and third assembly point 53 respectively, touch display screen 20 is including being used for dodging the first mouth 511, the second mouth 521 and the third mouth 531 of dodging of assembly point, first mouth 511 of dodging is located first main button 221 with between the second main button 222, the second is dodged the mouth 521 and is located the rear side of the vice button 224 of second, the third is dodged the mouth 531 and is located the rear side of the vice button 226 of fourth. The first housing 11 and the second housing 12 are assembled by the bolt and the bolt hole, and the position of the assembly point 53 on the first housing is concave relative to the touch display screen 20. The shell 10 is divided into a first shell 11 and a second shell 12 which are detachably connected, and the assembly and maintenance of devices inside the shell are more convenient.

The spring is an important part of the LED digital display device in the utility model, wherein, the spring is designed into a tower-shaped spring to the main key area, and the assembly condition about the spring is as follows: referring to fig. 3 and 4, the circuit board 60 is provided with a mounting hole for mounting the spring, the bottom of the spring is provided with pins, the pins include a two-pin 38 formed by combining two spring wires into one strand and a single-pin 37 including only one spring wire, and the mounting hole includes a kidney-shaped hole adapted to the two-pin 38 and a circular hole adapted to the single-pin 37. The spring is fixed in the mounting hole through soldering. Therefore, the top of the spring is electrically connected with the touch display screen 20, and the bottom of the spring is electrically connected with the LED nixie tube.

In addition, the number of the PIN PINs 40 includes two groups distributed near the touch key area, and the spring is not in contact with the PIN PINs 40. The utility model provides a LED digital display device, the mode that the spring leads to the tin soldering and the circuit connection in the LED charactron, LED charactron outer lead wire PIN needle 40 welds on circuit board 60. When a finger approaches the upper part of the key, the capacitance of the surface of the key is changed, and the related circuit makes judgment according to the change of the capacitance, so that the preset function is realized. The capacitive key is very convenient to use, and can be operated only by touching without pressing forcefully.

The main key area which needs to be particularly emphasized on the touch display screen 20 is selected from a tower-shaped spring by the spring connected with the main key area, so that the original distribution position of the PIN pointer 40 is not changed while the area of the main key area is increased, and the spring is ensured not to be in contact with the PIN pointer 40. In this embodiment, the spring wire of the tower spring is a stainless steel wire with a spring wire diameter of 0.5 mm.

In the above LED digital display device, the spring disposed below the touch key region includes a tower-shaped spring and a cylindrical spring, as shown in fig. 5, the spring coil of the tower-shaped spring gradually increases from the circuit board 60 to the touch display screen 20, so the area of the touch display screen 20 falling in the tower-shaped spring coil is larger than the area of the circuit board 60 falling in the tower-shaped spring coil, the diameter of the spring coil at the bottom of the tower-shaped spring is the same as that of the cylindrical spring, the area of the touch key corresponding to the tower-shaped spring is larger, thus, a certain key needs to be displayed on the touch display screen 20 in a protruding manner, when the area of the key is increased, the area of the spring covered on the circuit board 60 is not increased, and the arrangement of the PIN 40 disposed adjacent to the spring is not affected.

The above-mentioned embodiments only represent one embodiment of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a digital display device of LED, its characterized in that, include the casing and install in touch display screen and circuit board on the casing, the circuit board is located touch display screen below, touch display screen's display interface includes data display area and touch button district, the data display area is located display interface's middle part, the touch button district is located around the data display area, on the circuit board with the position that the data display area corresponds is equipped with the LED charactron, on the circuit board with the position that the touch button district corresponds is equipped with the spring, the spring includes the spring circle follow the circuit board arrives touch display screen diameter crescent turriform spring to and the unchangeable cylindricality spring of spring circle diameter, be close to on the circuit board the position of spring is equipped with the PIN needle.

2. The LED digital display device according to claim 1, wherein the touch key area comprises a main key area and a sub key area, the diameter of the key of the main key area is larger than that of the key of the sub key area, the tower-shaped spring is installed under the main key area, and the cylindrical spring is installed under the sub key area.

3. The LED digital display device according to claim 2, wherein the touch screen is a square display screen, the main button area comprises a first main button and a second main button respectively located at two adjacent corners of the touch screen, the side where the main button area is located is the front end of the touch screen, the auxiliary button area comprises a first auxiliary button and a second auxiliary button located behind the first main button, and a third auxiliary button and a fourth auxiliary button located behind the second main button.

4. The LED digital display device as recited in claim 3, wherein the housing comprises a first housing and a second housing, the touch display screen is fixed in the first housing, the circuit board is accommodated in the second housing, and the first housing and the second housing are detachably connected.

5. The LED digital display device according to claim 4, wherein the number of the assembly points between the first housing and the second housing comprises three groups, namely a first assembly point, a second assembly point and a third assembly point, the touch display screen comprises a first avoidance port, a second avoidance port and a third avoidance port for avoiding the assembly points, the first avoidance port is located between the first main key and the second main key, the second avoidance port is located at the rear side of the second sub-key, and the third avoidance port is located at the rear side of the fourth sub-key.

6. The LED digital display device according to claim 1, wherein the circuit board is provided with a mounting hole for mounting the spring, the bottom of the spring is provided with a pin, the pin comprises a two-pin formed by two spring wires and a single-pin including only one spring wire, and the mounting hole comprises a kidney-shaped hole adapted to the two-pin and a round hole adapted to the single-pin.

7. The LED digital display device as claimed in claim 5, wherein the spring is fixed in the mounting hole by soldering.

8. The LED digital display device according to claim 1, wherein the number of PIN PINs comprises two groups distributed near the touch key region, the spring being not in contact with the PIN PINs.

9. The LED digital display device according to claim 1, wherein the top of the spring is electrically connected to the touch screen, and the bottom of the spring is electrically connected to the LED digital tube.

10. The LED digital display device according to claim 1, wherein the LED digital tubes are arranged on the circuit board in a shape of "8".