CN214703743U - Electric energy meter LCD protective structure and electric energy meter LCD are shaded - Google Patents
Electric energy meter LCD protective structure and electric energy meter LCD are shaded Download PDFInfo
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- CN214703743U CN214703743U CN202120139074.9U CN202120139074U CN214703743U CN 214703743 U CN214703743 U CN 214703743U CN 202120139074 U CN202120139074 U CN 202120139074U CN 214703743 U CN214703743 U CN 214703743U
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Abstract
The utility model discloses an electric energy meter LCD protective structure and electric energy meter LCD are shaded, protective structure is used for the high temperature and high humidity test, a serial communication port, include: a backlight plate holder; a backlight plate; an LED lamp; the backlight plate is arranged on the backlight plate support, the LED lamps are arranged on the backlight plate support, and the backlight plate support are provided with a flow guide gap for guiding condensed water vapor. The protection structure does not need a high-durability LCD polaroid to carry out high-temperature and high-humidity test, can improve the test effect of the LCD of the electric energy meter under the high-temperature and high-humidity environment only through structural improvement, and can reduce the cost of passing the test.
Description
Technical Field
The utility model relates to the field of machinary, in particular to electric energy meter LCD protective structure and electric energy meter LCD are shaded.
Background
At present, in coastal areas, high-temperature and high-humidity climatic environments exist, and aiming at the high-temperature and high-humidity environments, the power bureau sets the test standard of the electric energy meter under the high-temperature and high-humidity environments, wherein the standard is that the electric energy meter stably runs for 1000 hours under the environment with the temperature of 85 ℃ and the humidity of 85 percent. Electric energy meters are typically tested in the above-described test environment for protection of LCDs using highly durable LCD polarizers to improve the sealing properties of the structure. However, the structure of the electric meter is not a precise instrument, and devices such as keys, pluggable modules and the like exist in the electric meter, so that moisture easily invades into the electric meter under a high-temperature and high-humidity environment to affect the LCD. Especially, in the LCD with backlight design, condensed water vapor may be formed in the gap between the backlight and the LCD liquid crystal, which may cause spots on the LCD under high temperature and high humidity environment, thereby affecting the testing effect.
SUMMERY OF THE UTILITY MODEL
The utility model discloses one of them utility model aims to provide an electric energy meter LCD protective structure and electric energy meter LCD are shaded, protective structure need not the high durable LCD polaroid and carries out the high temperature and high humidity test, as long as can improve the test effect of electric energy meter LCD under the high temperature and high humidity environment through structural improvement, can reduce the cost through the test.
The utility model discloses another utility model aims to provide an electric energy meter LCD protective structure and electric energy meter LCD are shaded, protective structure makes through the design have the gap of certain width between electric energy meter LCD and be shaded, can avoid the storage of condensate water vapour on electric energy meter LCD effectively through this gap to stay, reduces the influence to the LCD liquid crystal to the condensate water vapour.
The utility model discloses realize LCD liquid crystal function in a poor light, steam can also solve the problem of LCD function influence when the high temperature and high humidity test simultaneously. The cost is hardly increased compared with the conventional liquid crystal backlight assembly design.
In order to realize at least one above-mentioned utility model purpose, the utility model discloses further provide an electric energy meter LCD protective structure, protective structure is used for the high temperature and high humidity test, include:
a backlight plate holder;
a backlight plate;
an LED lamp;
the backlight plate is arranged on the backlight plate support, the LED lamps are arranged on the backlight plate support, and a diversion gap is formed between the backlight plate and the LCD of the electric energy meter after the backlight plate and the backlight plate support are assembled and is used for guiding condensed water vapor.
According to one preferred embodiment of the present invention, the backlight support has a square bottom surface, and the backlight support has four fixing legs, and the four fixing legs are respectively disposed at four corners of the backlight support.
According to the present invention, the ends of the four fixing legs have a rectangular step respectively, and the rectangular step is used for fixing LCD liquid crystal of the electric energy meter.
According to the utility model discloses another preferred embodiment, rectangle step place face is on a parallel with board support bottom surface in a poor light, works as the board in a poor light install in when board support bottom surface in a poor light, the board lower surface in a poor light pastes cover in board support bottom surface in a poor light.
According to the utility model discloses another preferred embodiment, the installation of board in a poor light is fixed in when on the board in a poor light support, the fixed footstep place face of board in a poor light top surface and board in a poor light support has certain water conservancy diversion gap for the steam that condenses passes through the water conservancy diversion gap flows.
According to another preferred embodiment of the present invention, the distance between the surface of the rectangular step of the four fixing legs and the backlight plate bracket is 2-4 mm.
According to another preferred embodiment of the present invention, the rectangular steps of the four fixing legs are connected to the LCD liquid crystal of the electric energy meter in a snap fit manner.
According to the utility model discloses another preferred embodiment, electric energy meter LCD liquid crystal both sides have a plurality of electric energy meter LCD liquid crystal pin, and board support both sides in a poor light have corresponding through-hole, electric energy meter LCD liquid crystal pin passes drive signal is connected to the through-hole.
In order to realize at least one of the above objects of the present invention, the present invention further provides an electric energy meter LCD backlight, the electric energy meter LCD backlight has the above-mentioned arbitrary one an electric energy meter LCD protective structure.
Drawings
Fig. 1 is an exploded view of an LCD protection structure of an electric energy meter according to the present invention;
fig. 2 shows a schematic structural diagram of the LCD backlight of the electric energy meter according to the present invention.
Wherein:
the LED backlight module comprises a backlight plate-10, a notch-11, a backlight plate support-20, fixing pins-21, rectangular steps-211, a backlight plate support bottom surface-22, electric energy meter LCD liquid crystal pins-30, electric energy meter LCD liquid crystal-40, a light shading sheet-50 and an LED lamp-60.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purpose of limitation.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
Please refer to fig. 1-2, the utility model discloses an electric energy meter LCD40 protection structure, specifically includes: the backlight module comprises a backlight plate 10, a backlight plate support 20 and LED lamps 60, wherein the LED lamps 60 are arranged on the side surface of the backlight plate support 20, the backlight plate 10 is fixedly arranged on the backlight plate support 20, and the LED lamps 60, the backlight plate support 20, a light shading sheet 50 and the backlight plate 10 form a backlight integral structure.
Specifically, the backlight plate support 20 has a bottom surface, wherein the bottom surface of the backlight plate support 20 is preferably set to be a square structure, the bottom surface of the backlight plate support 20 is provided with four fixing holes, the fixing holes can be integrally formed on the bottom surface of the backlight plate support 20, and the fixing holes and the backlight plate 10 are connected in a clamping manner and used for fixing the backlight plate 10.
The backlight bracket 20 is provided with four fixing pins 21, the four fixing pins 21 are detachably mounted on the side surface of the backlight bracket 20, wherein the detachable mounting manner includes but is not limited to snap connection, the four fixing pins 21 are respectively fixed at four corners of the bottom surface 22 of the backlight bracket, and the four fixing pins 21 are used for mounting and fixing the LCD liquid crystal 40 of the electric energy meter.
The four fixing legs 21 are respectively provided with a rectangular step 211, the rectangular step 211 is respectively provided with a step surface, the rectangular step 211 is arranged on the inner side surface of the four fixing legs 21, the rectangular step 211 is arranged on the upper end portion of the four fixing legs 21, so that the rectangular step 211 is provided with a strip-shaped placing channel for placing the electric energy meter LCD liquid crystal 40 on the bottom surface of the rectangular step 211, in one preferred embodiment of the present invention, the backlight plate 10 is of a rectangular structure, the bottom surface of the backlight plate 10 is provided with a clamping piece, the backlight plate 10 is embedded above the bottom surface of the backlight bracket 20, the bottom surface of the backlight bracket 20 is provided with a plurality of fixing holes for matching with the clamping piece to fix the backlight plate 10, the size of the electric energy meter LCD liquid crystal 40 is slightly larger than the rectangular structure formed by the four fixing legs 21, therefore, the four corners of the electric energy meter LCD liquid crystal 40 are clamped in the rectangular steps 211, and the electric energy meter LCD liquid crystal 40 is fixed on the backlight plate bracket 20. In another preferred embodiment of the present invention, the lower surface of the LCD liquid crystal 40 of the electric energy meter is attached to the surface of the rectangular step 211, and the surface of the rectangular step 211 has a glue, so that the LCD liquid crystal 40 of the electric energy meter can be fixed on the surface of the step; in another possible embodiment of the present invention, the surface of the rectangular step 211 can be fixed at the corner of the LCD liquid crystal 40 of the electric energy meter by a snap fit, and it can be understood that the connection mode of the LCD liquid crystal 40 of the electric energy meter and the backlight bracket 20 is not a limitation of the present invention.
It is worth mentioning that the utility model discloses in, the water conservancy diversion gap that has a take the altitude between board 10 lower surface in a poor light and the board support bottom surface 22 in a poor light works as the electric energy meter is in the environment of high temperature and high humidity, and the whole accessible of electric energy meter back light this water conservancy diversion gap guide condensed steam is whole to outflow electric energy meter LCD is shaded to can avoid condensed steam to produce the influence through the structure in a poor light to electric energy meter LCD 40. Specifically, the height of the flow guide gap may be set to 2-4mm (millimeter), and at this height, a large amount of moisture cannot be accumulated on the lower surface of the LCD liquid crystal 40 of the electric energy meter and the upper surface of the backlight 10.
It should be noted that, in general, in the case of a side-placed electric energy meter, that is, when the LCD liquid crystal 40 of the electric energy meter is perpendicular to the ground, the condensed water vapor beads in the flow guiding gap flow toward the side of the backlight plate bracket 20 under the action of its own gravity, and a part of the condensed water vapor beads can be discharged through the four fixing pins 21, so that the flow guiding gap can perform a better water vapor removal function in a high-temperature and high-humidity environment, however, if the electric energy meter is in a right-placed state, that is, when the LCD liquid crystal 40 of the electric energy meter is parallel to the ground, the LCD liquid crystal 40 of the electric energy meter is also parallel to the bottom surface of the backlight plate bracket 20, so that more water droplets may remain on the upper surface of the backlight plate 10. Therefore, in another preferred embodiment of the present invention, the backlight 10 can be disposed in a non-parallel configuration with respect to the bottom surface 22 of the backlight support.
For example, the distance between the bottom surfaces of the two rectangular steps 211 on the same side and the back surface of the backlight plate support 20 may be set to 2mm, the distance between the ground of the other two rectangular steps 211 and the bottom surface 22 of the backlight plate support may be set to 4mm, and a flow guiding gap with an inclined upper edge is formed between the backlight bottom plate and the bottom surface 22 of the backlight plate support, so that the water vapor on the lower surface of the LCD liquid crystal 40 of the electric energy meter can flow to the fixing pins 21 and can be removed through the openings beside the fixing pins 21.
In another preferred embodiment of the present invention, the electric energy meter LCD liquid crystal 40 has a plurality of electric energy meter LCD liquid crystal pins 30 on the side, corresponding through holes are provided on the outer side of the backlight plate bracket 20, and the electric energy meter LCD liquid crystal pins 30 pass through the through holes and are connected to the driving signal.
The electric energy meter LCD liquid crystal 40 is arranged right above the backlight plate 10, the electric energy meter printing plate is arranged below the backlight plate bracket 20, and a shading sheet 50 is arranged between the lower part of the electric energy meter LCD liquid crystal 40 panel and the upper part of the backlight plate 10. The backlight plate 10 has a notch 11 on one side, and the notch 11 is fixedly installed with the LED lamp 60, so that the LED lamp 60 can illuminate the diversion gap.
It is understood by those skilled in the art that the embodiments of the present invention as described above and shown in the drawings are given by way of example only and are not limiting of the present invention, the objects of which have been fully and effectively achieved, the functions and structural principles of which have been shown and described in the embodiments, and that the embodiments of the present invention may be modified or adapted without departing from said principles.
Claims (9)
1. The utility model provides an electric energy meter LCD protective structure, protective structure is used for the high temperature and high humidity test, its characterized in that includes:
a backlight plate holder;
a backlight plate;
an LED lamp;
the backlight plate is arranged on the backlight plate support, the LED lamps are arranged on the backlight plate support, and a diversion gap is formed between the backlight plate and the LCD of the electric energy meter after the backlight plate and the backlight plate support are assembled and is used for guiding condensed water vapor.
2. The LCD protection structure of an electric energy meter as claimed in claim 1, wherein the backlight plate bracket has a square bottom surface, and the backlight plate bracket has four fixing legs, and the four fixing legs are respectively disposed at four corners of the backlight plate bracket.
3. The LCD protection structure for electric energy meters of claim 2, wherein the ends of the four fixing pins are respectively provided with a rectangular step for fixing LCD liquid crystal of the electric energy meter.
4. The LCD protection structure of an electric energy meter as claimed in claim 3, wherein the rectangular step is parallel to the bottom surface of the backlight support, and when the backlight is mounted on the bottom surface of the backlight support, the lower surface of the backlight is attached to the bottom surface of the backlight support.
5. The LCD protection structure of the electric energy meter as claimed in claim 4, wherein when the backlight panel is mounted and fixed on the backlight panel bracket, the top surface of the backlight panel and the surface of the backlight panel bracket where the foot step is fixed have a certain flow guiding gap, so that condensed water vapor flows through the flow guiding gap.
6. The LCD protective structure for the electric energy meter according to claim 3, wherein the distance between the surface where the rectangular steps of the four fixing feet are located and the backlight plate bracket is 2-4 mm.
7. The LCD protection structure of the electric energy meter according to claim 3, wherein the rectangular steps of the four fixing pins are connected with LCD liquid crystal of the electric energy meter in a clamping manner.
8. The electric energy meter LCD protective structure according to claim 2, wherein a plurality of electric energy meter LCD liquid crystal pins are arranged on two sides of the electric energy meter LCD liquid crystal, corresponding through holes are arranged on two sides of the backlight plate support, and the electric energy meter LCD liquid crystal pins penetrate through the through holes to be connected with driving signals.
9. An electric energy meter LCD backlight, characterized in that the electric energy meter LCD backlight is provided with an electric energy meter LCD protective structure according to any one of the claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120139074.9U CN214703743U (en) | 2021-01-19 | 2021-01-19 | Electric energy meter LCD protective structure and electric energy meter LCD are shaded |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120139074.9U CN214703743U (en) | 2021-01-19 | 2021-01-19 | Electric energy meter LCD protective structure and electric energy meter LCD are shaded |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214703743U true CN214703743U (en) | 2021-11-12 |
Family
ID=78563675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120139074.9U Active CN214703743U (en) | 2021-01-19 | 2021-01-19 | Electric energy meter LCD protective structure and electric energy meter LCD are shaded |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214703743U (en) |
-
2021
- 2021-01-19 CN CN202120139074.9U patent/CN214703743U/en active Active
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