CN218728142U

CN218728142U - Electric energy meter display module

Info

Publication number: CN218728142U
Application number: CN202222851592.0U
Authority: CN
Inventors: 肖明之; 陈卫刚
Original assignee: Shenzhen Clou Electronics Co Ltd
Current assignee: Shenzhen Clou Electronics Co Ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-03-24
Anticipated expiration: 2032-10-27

Abstract

The utility model discloses an electric energy meter display module assembly, include: the display screen can display data; the luminous body is attached to the circuit board; the light guide mechanism is positioned between the display screen and the circuit board and comprises a bending part and a backlight part, the display screen and the backlight part are arranged oppositely, one end of the bending part faces the luminous body, and the other end of the bending part is connected with the backlight part; the bending part can conduct the light emitted by the luminous body to the backlight part so that the backlight part can illuminate the display screen. The luminous body is attached to the circuit board, and light rays emitted by the luminous body are transmitted to the backlight part by the aid of the bending part in the light guide mechanism, so that the display screen can be illuminated, a process of drawing a wire to the backlight part is omitted, and the electric energy meter display module is convenient to install.

Description

Electric energy meter display module

Technical Field

The utility model relates to a liquid crystal display technology field, in particular to electric energy meter display module assembly.

Background

The electric energy meter is when using in the comparatively dark condition of surrounding environment, the workman often need look over the data that show in the electric energy meter, this moment, if through lighting whole electric energy meter screen, will produce more power loss, be unfavorable for energy-concerving and environment-protective, consequently through the cooperation of design LED and liquid crystal, data on making liquid crystal display is lighted through lighting LED, in the correlation technique, through installing LED directly towards liquid crystal display's dorsal part, because LED lamp and PCB board have certain distance, and on in order to make the LED lamp can be with light conduction to liquid crystal display, in the installation, need pull the wire from PCB board to liquid crystal display's dorsal part in order to realize the circular telegram to the LED lamp, but in this technology, need artifically to pull LED's wire to the place that can shine liquid crystal display's dorsal part, it is fixed in this position to reuse sticky technique such as top glue with LED, its process is comparatively complicated, consume a large amount of manual labor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an electric energy meter display module assembly can simplify the installation procedure of electric energy meter liquid crystal display module assembly.

According to the utility model discloses an electric energy meter display module assembly, include:

a display screen capable of displaying data;

a light emitter;

the circuit board is attached to the luminous body;

the light guide mechanism is positioned between the display screen and the circuit board and comprises a bending part and a backlight part, the display screen and the backlight part are arranged oppositely, one end of the bending part faces the luminous body, and the other end of the bending part is connected with the backlight part; the bent part can transmit the light emitted by the light emitting body to the backlight part, so that the backlight part illuminates the display screen.

According to the utility model discloses electric energy meter display module assembly has following beneficial effect at least: the luminous body is attached to the circuit board, and light rays emitted by the luminous body are transmitted to the backlight part by the aid of the bending part in the light guide mechanism, so that the display screen can be illuminated, a process of drawing a wire to the backlight part is omitted, and the electric energy meter display module is convenient to install.

According to some embodiments of the utility model, the electric energy meter display module assembly still includes the support, the display screen the light guide mechanism with the range upon range of setting of support, the light guide mechanism centre gripping in the display screen with between the support.

According to some embodiments of the utility model, the support orientation the direction of display screen is seted up flutedly, backlight portion holding in the recess, the recess orientation the cell wall of backlight portion is provided with the reflector layer.

According to some embodiments of the utility model, the support includes mounting panel and connecting plate, the both ends of connecting plate connect in the mounting panel with between the circuit board, backlight unit install in mounting panel, at least part the kink is located the mounting panel orientation one side of circuit board.

According to the utility model discloses a some embodiments, the display screen is provided with a plurality of pins, and is a plurality of the pin interval is arranged, the connecting plate is followed a plurality of constant head tanks have been seted up to the direction of arranging of pin, the circuit board is followed a plurality of pin holes have been seted up to the direction of arranging of pin, the pin wears to locate in proper order the constant head tank with the pin is downthehole and be fixed in the circuit board.

According to some embodiments of the utility model, the support still is provided with the fastener, the fastener butt in deviate from on the circuit board one side of display screen, the connecting plate butt in the circuit board orientation one side of display screen.

According to some embodiments of the invention, the fastener includes a main body and a protruding portion, the protruding portion connect in the lateral part of main body, the protruding portion is followed the circuit board court the display screen is upwards dorsad the main body slope.

According to the utility model discloses a some embodiments, the support includes two at least reference columns, each the reference column interval sets up, be provided with a plurality of locating holes on the circuit board, each the reference column wears to locate respectively each the locating hole.

According to some embodiments of the present invention, the electric energy meter display module further comprises at least two light guide posts, the circuit board is provided with a signal transmitter and a signal receiver, the signal transmitter can transmit a light signal, the signal receiver can receive the light signal, one end of one of the light guide posts faces the signal transmitter, and one end of the other light guide post faces the signal receiver;

the end, far away from the signal transmitter, of the light guide column facing the signal transmitter is arranged in a concave mode, and the end, far away from the signal receiver, of the light guide column facing the signal receiver is arranged in a protruding mode; the signal transmitter and the signal receiver are used for interacting with the electric energy meter display module and the data processing module.

According to some embodiments of the utility model, the display screen includes the complex film, the complex film includes polaroid and diffusion barrier, the complex film is located the display screen orientation one side of backlight portion.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention will be further described with reference to the following drawings and examples, in which:

fig. 1 is a schematic structural diagram of an electric energy meter display module according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a light guide mechanism according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a bracket according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a display according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a circuit board according to an embodiment of the present invention.

Reference numerals: display screen 100, pins 110;

a light emitter 200;

circuit board 300, pin hole 310, positioning hole 320;

a light guide mechanism 400, a bending portion 410, and a backlight portion 420;

the fixing device comprises a bracket 500, a groove 510, a mounting plate 520, a connecting plate 530, a positioning groove 531, a fastener 540, a main body 541, a protruding part 542 and a positioning column 550;

a light guide pillar 600;

a signal transmitter 700;

a signal receiver 800.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means is one or more, a plurality of means is two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

In the description of the present invention, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In some embodiments, referring to fig. 1 and 2, the electric energy meter display module includes: the display screen 100 can display data, the light emitter 200, the circuit board 300 and the light guide mechanism 400; the light emitter 200 is attached to the circuit board 300; the light guide mechanism 400 is located between the display screen 100 and the circuit board 300, the light guide mechanism 400 includes a bending portion 410 and a backlight portion 420, the display screen 100 and the backlight portion 420 are disposed opposite to each other, one end of the bending portion 410 faces the light emitting body 200, and the other end of the bending portion 410 is connected to the backlight portion 420; the bending portion 410 can transmit the light emitted by the light emitter 200 to the backlight portion 420, so that the backlight portion 420 illuminates the display screen 100.

Through attached on circuit board 300 with luminous body 200, the light conduction that the kink 410 in recycling light guide mechanism 400 sent luminous body 200 to backlight 420, alright illuminate display screen 100, compare in traditional mode of lighting display screen 100, the embodiment of the utility model provides a reduced and pull the installation of wire to display screen 100 side to luminous body 200, made things convenient for electric energy meter display module's installation.

The light emitting body 200 in the embodiment of the present invention selects the patch LED, and attaches the patch LED to the surface of the circuit board 300; the use of the surface mount type LED lamp can save energy and facilitate installation to the circuit board 300.

In some embodiments, referring to fig. 1 to fig. 3, in order to fix the light guide mechanism 400, the electric energy meter display module is provided with a bracket 500, wherein the display screen 100, the light guide mechanism 400 and the bracket 500 are stacked, and the light guide mechanism 400 is clamped between the display screen 100 and the bracket 500. The light guide mechanism 400 is clamped by the display screen 100 and the bracket 500, so that the display screen 100 and the bracket 500 are relatively fixed, and the light guide mechanism 400 can stably transmit light to the display screen 100.

In some embodiments, referring to fig. 1 to fig. 3, in order to improve the brightness of the display screen 100, the bracket 500 is provided with a groove 510 facing the display screen 100, the backlight unit 420 is accommodated in the groove 510, and a groove wall of the groove 510 facing the backlight unit 420 is provided with a reflective layer.

Since the light is transmitted to the backlight portion 420 through the bending portion 410, the light is diffused toward the periphery of the backlight portion 420, and thus the brightness of the display screen 100 is darker than the actual brightness of the light emitting body 200, the backlight portion 420 is accommodated in the groove 510, the light reflected from the backlight portion 420 is reflected to the display screen 100 by the reflective layer arranged on the sidewall of the groove 510 facing the backlight portion 420, and the brightness of the display screen 100 is brighter.

It can be understood that the side walls of the groove 510 facing the backlight portion 420 can be coated with white material to reflect light, and the side walls of the groove 510 facing the backlight portion 420 can be set as mirror surfaces, so that the brightness of the display screen 100 can be improved by the mirror reflection.

In some embodiments, referring to fig. 1 and 3, the bracket 500 includes a mounting plate 520 and a connecting plate 530, two ends of the connecting plate 530 are connected between the mounting plate 520 and the circuit board 300, the backlight portion 420 is mounted on the mounting plate 520, and at least a portion of the bent portion 410 is located on a side of the mounting plate 520 facing the circuit board 300.

On the other hand, referring to fig. 1, since a certain distance is provided between the light emitting device 200 and the backlight unit 420, the bent portion 410 has a certain length to compensate for the distance between the light emitting device 200 and the backlight unit 420, and thus a certain distance is maintained between the backlight unit 420 and the circuit board 300 by disposing the connecting plate 530 between the circuit board 300 and the mounting plate 520, and the bent portion 410 can be located on the side of the mounting plate 520 facing the circuit board 300.

It can be understood that, the more the component of electric energy meter, the more complicated mounting procedure, consequently, the embodiment of the utility model provides a set up recess 510 on mounting panel 520, and be located one side of mounting panel 520 towards display screen 100, so set up and to save some components in order to satisfy seting up of recess 510, reduce the mounting procedure of electric energy meter display module assembly.

In some embodiments, referring to fig. 1, fig. 3, fig. 4 and fig. 5, in order to enable data displayed on the display screen 100 to meet requirements, a plurality of pins 110 are disposed on two opposite sides of the display screen 100, the plurality of pins 110 are arranged at intervals, and each pin 110 is electrically connected to the circuit board 300, it can be understood that each pin 110 can obtain certain data and visually display the data through the display screen 100. The embodiment of the utility model provides an in still consider when each pin 110 is installed on circuit board 300, the existence is difficult to all fix a position each pin 110 and installs the problem to circuit board 300 on, consequently has seted up a plurality of constant head tanks 531 along the direction of arranging of pin 110 in connecting plate 530, and a plurality of pin holes 310 have been seted up along the direction of arranging of pin 110 to circuit board 300, and pin 110 wears to locate in proper order in constant head tank 531 and the pin hole 310 and is fixed in circuit board 300. Each pin 110 is inserted into each positioning groove 531, and each pin 110 can be connected to the corresponding pin hole 310 by the positioning action of the positioning groove 531.

In some embodiments, referring to fig. 1 and 3, the bracket 500 is further provided with a fastener 540, the fastener 540 abuts against a side of the circuit board 300 facing away from the display screen 100, and the connection board 530 abuts against a side of the circuit board 300 facing towards the display screen 100.

The embodiment of the utility model provides an in wear to establish pin hole 310 with pin 110 and weld in circuit board 300, in welding process, it floats to appear easily between pin 110 and the circuit board 300, on the other hand, if there is circuit board 300 fixed to pin 110 firm inadequately, still can have circuit board 300 and pin 110 separation and lead to the unstable problem of circuit connection in the later stage to electric energy meter display module's use, consequently, through deviating from one side of display screen 100 with fastener 540 butt on circuit board 300, and connecting plate 530 butt can realize that support 500 is fixed in on circuit board 300 towards one side of display screen 100 in circuit board 300, avoid appearing floating the problem of high or circuit board 300 and pin 110 separation.

In some embodiments, referring to fig. 1 and 3, the fastener 540 includes a body 541 and a protruding portion 542, the protruding portion 542 is connected to a side of the body 541, and the protruding portion 542 is inclined away from the body 541 in a direction of the circuit board 300 toward the display screen 100.

It should be noted that, in order to realize the connection between the fastening element 540 and the circuit board 300, it is not difficult to think that the embodiment of the present invention will provide an opening on the circuit board 300, so that the fastening element 540 can penetrate through the opening and the protruding portion 542 is located on one side of the circuit board 300 departing from the display screen 100.

Therefore, by the above-mentioned inclined arrangement on the circuit board 300, when the bracket 500 is fixed on the circuit board 300, the bracket 500 can be guided to penetrate into the opening by the inclined projection 542, so that the bracket 500 can be conveniently fixed on the circuit board 300.

In some embodiments, referring to fig. 1, fig. 3, fig. 4 and fig. 5, the bracket 500 includes at least two positioning pillars 550, each positioning pillar 550 is disposed at an interval, the circuit board 300 is provided with a plurality of positioning holes 320, and each positioning pillar 550 is respectively disposed through each positioning hole 320.

It can be understood that, constant head tank 531 on connecting plate 530 has the effect of leading pin 110 to on circuit board 300, and whether constant head tank 531 can be fixed a position the problem on pin hole 310 still needs to be solved, consequently in the embodiment of the utility model, through set up reference column 550 on support 500 so that after reference column 550 wore to locate the locating hole 320 on circuit board 300, can guarantee that circuit board 300 and support 500 along the direction of arranging of pin 110 can relatively fixed to can be with constant head tank 531 and the pin hole 310 one-to-one on the circuit board 300 and realize the centering.

In some embodiments, referring to fig. 1, the electric energy meter display module further includes at least two light guide columns 600, the circuit board 300 is provided with a signal transmitter 700 and a signal receiver 800, the signal transmitter 700 can transmit an optical signal, the signal receiver 800 can receive the optical signal, one end of one light guide column 600 faces the signal transmitter 700, and one end of the other light guide column 600 faces the signal receiver 800; wherein, the end of the light guide bar 600 facing the signal transmitter 700 far away from the signal transmitter 700 is concavely arranged, and the end of the light guide bar 600 facing the signal receiver 800 far away from the signal receiver 800 is convexly arranged; the signal transmitter 700 and the signal receiver 800 are used for interacting with signals of the electric energy meter display module and an external data processing module.

When data on the electric energy meter display module need to be in signal interaction with an external data processing module, signal interaction can be performed with the external data processing module after light guiding of the light guide column 600 is performed by the signal transmitter 700 and the signal receiver 800, the signal transmitter 700 is used for transmitting light signals to the external data processing module, and the signal receiver 800 is used for receiving light signals of the external data processing module. On the other hand, the light guide pillar 600 facing the signal emitter 700 is recessed at an end far away from the signal emitter 700, i.e. the embodiment of the present invention is a concave mirror, and the physical properties of the concave mirror can make the light signal emitted by the signal emitter 700 diffuse outward at a larger angle; the one end that signal receiver 800 was kept away from to leaded light post 600 towards signal receiver 800 sets up protrudingly, promptly the embodiment of the utility model provides a set up to the convex mirror, utilizes the physical properties of convex mirror can make signal receiver 800 can receive the light signal that more angles were sent and are come.

In some embodiments, the display screen 100 includes a composite film (not shown) including a polarizer and a diffuser film, the composite film being located on a side of the display screen 100 facing the backlight.

Often from taking the polaroid among traditional display screen 100, and need install the diffusion barrier in portion 420 in a poor light, so greatly increased electric energy meter display module assembly's installation procedure, consequently the embodiment of the utility model provides a combine diffusion barrier and polaroid to display screen 100 on to from taking the diffusion effect on making display screen 100, reduced the process of installing the diffusion barrier in portion 420 in a poor light, thereby save the cost of labor.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. Furthermore, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

Claims

1. The utility model provides an electric energy meter display module assembly which characterized in that includes:

a display screen capable of displaying data;

a light emitter;

the circuit board is attached to the luminous body;

2. The electric energy meter display module according to claim 1, further comprising a support, wherein the display screen, the light guide mechanism and the support are stacked, and the light guide mechanism is clamped between the display screen and the support.

3. The electric energy meter display module according to claim 2, wherein the bracket is provided with a groove facing the display screen, the backlight portion is accommodated in the groove, and a groove wall of the groove facing the backlight portion is provided with a reflective layer.

4. The module of claim 2, wherein the bracket comprises a mounting plate and a connecting plate, two ends of the connecting plate are connected between the mounting plate and the circuit board, the backlight portion is mounted on the mounting plate, and at least a portion of the bending portion is located on a side of the mounting plate facing the circuit board.

5. The electric energy meter display module according to claim 4, wherein the display screen is provided with a plurality of pins, the pins are arranged at intervals, the connecting plate is provided with a plurality of positioning slots along the arrangement direction of the pins, the circuit board is provided with a plurality of pin holes along the arrangement direction of the pins, and the pins are sequentially inserted into the positioning slots and the pin holes and fixed on the circuit board.

6. The electric energy meter display module according to claim 5, wherein the bracket is further provided with a fastener, the fastener abuts against a side of the circuit board facing away from the display screen, and the connecting plate abuts against a side of the circuit board facing towards the display screen.

7. The power meter display module of claim 6, wherein the fastener comprises a body and a boss attached to a side of the body, the boss being angled away from the body in a direction of the circuit board toward the display screen.

8. The electric energy meter display module according to any one of claims 2 to 7, wherein the bracket comprises at least two positioning posts, the positioning posts are spaced apart from each other, the circuit board is provided with a plurality of positioning holes, and the positioning posts are respectively inserted into the positioning holes.

9. The electric energy meter display module according to claim 1, further comprising at least two light guide posts, wherein the circuit board is provided with a signal transmitter and a signal receiver, the signal transmitter is capable of transmitting an optical signal, the signal receiver is capable of receiving an optical signal, one end of one of the light guide posts faces the signal transmitter, and one end of the other light guide post faces the signal receiver;

10. The module of claim 1, wherein the display comprises a composite film comprising a polarizer and a diffuser film, and the composite film is disposed on a side of the display facing the backlight.