CN218938310U - Electric quantity display device - Google Patents
Electric quantity display device Download PDFInfo
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- CN218938310U CN218938310U CN202320151834.7U CN202320151834U CN218938310U CN 218938310 U CN218938310 U CN 218938310U CN 202320151834 U CN202320151834 U CN 202320151834U CN 218938310 U CN218938310 U CN 218938310U
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Abstract
The electric quantity display device comprises a bottom plate, a light guide assembly, a light source and a cover plate, wherein the light guide assembly is arranged on the bottom plate and is provided with a plurality of light guide plates which are continuously arranged in a row, and the bottom surface of the light guide plate is provided with a diffusion film; the light sources are arranged on the bottom plate and are provided with a plurality of light sources, and each light source is positioned at one side of the corresponding light guide plate and is used for enabling light rays emitted by the light sources to be horizontally emitted into the light sources from the edge of the light guide plate; the cover plate is arranged on the bottom plate and covers the light guide assembly and the light source, and the cover plate is provided with a transparent light transmission part, and the light transmission part extends from one end of the light guide assembly to the other end of the light guide assembly. The light guide plate of the light guide assembly in the embodiment of the utility model forms integral luminescence under the irradiation of the light source, so that the light transmission part is in a light bar shape or a light column shape, and compared with the electric quantity indicator lamp, the display area is larger, and the user can more easily identify the electric quantity indicator lamp; the light guide plate is arranged continuously to form a section of longer light bar or light column, the length of the light bar or light column directly represents the electric quantity of the current equipment, the visual effect is more visual, and the display effect is good.
Description
Technical Field
The utility model belongs to the technical field of electrical equipment, and particularly relates to an electric quantity display device.
Background
The energy storage system is mainly used for storing electric energy, so that when external power supply is abnormal, the electric appliance system is powered, and the continuous operation of the electric appliance system is kept. In the use process, in order to more directly know the quantity of the stored electric quantity, the energy storage system is generally configured with an electric quantity display device.
The current electric quantity display device generally adopts a row of discontinuous electric quantity indicator lamps, the electric quantity indicator lamps are all lighted to represent that the electric quantity state of the energy storage device is full, and as the electric quantity of the energy storage device is consumed, the electric quantity indicator lamps are extinguished one by one, and the residual electric quantity of the energy storage device is displayed by the quantity of the residual lighted electric quantity indicator lamps. However, the indication effect of the electric quantity display mode is poor, because a certain interval is reserved between the electric quantity indication lamps, the lighted electric quantity indication lamps occupy a certain length, so that a user can consider that the current electric quantity is sufficient, however, the electric quantity indication lamps are lighted to substantially indicate the electric quantity, and the actual electric quantity is smaller than the electric quantity observed by the user. In addition, the electric quantity indicator lamp is exposed outside and is easy to erode by the external environment, the service life is short, the frequency of equipment maintenance is increased, and the maintenance cost of the equipment is increased. If the liquid crystal display is adopted as the electric quantity display device, the cost is too high although the display effect is good, and compared with an electric quantity indicator lamp, the liquid crystal display is more easily corroded by the external environment, the service life is shorter, and the equipment maintenance cost is higher.
Disclosure of Invention
Aiming at the defects existing in the related art, the utility model provides an electric quantity display device to solve the problems of poor display effect, easy damage and high maintenance cost existing in the prior electric quantity limiting device which adopts a row of discontinuous electric quantity indicator lamps.
The utility model provides an electric quantity display device, comprising:
a bottom plate;
the light guide assembly is arranged on the bottom plate and is provided with a plurality of light guide plates which are arranged in a row continuously, and the bottom surface of the light guide plate is provided with a diffusion film;
the light sources are arranged on the bottom plate and are provided with a plurality of light sources, and each light source is positioned at one side of the corresponding light guide plate and is used for enabling light rays emitted by the light source to be horizontally injected into the light guide plate from the edge of the light guide plate;
the cover plate is arranged on the bottom plate and covers the light guide assembly and the light source, and is provided with a transparent light transmission part, and the light transmission part extends from one end of the light guide assembly to the other end of the light guide assembly.
In some of these embodiments, an end face of one light guide plate is attached to an end face of an adjacent other light guide plate.
In some embodiments, a light shielding paper is stacked between two adjacent light guide plates to block light from being incident into another adjacent light guide plate.
In some of these embodiments, the bottom surface of the cover plate has a mounting groove in which both the light guide assembly and the light source are located.
In some embodiments, the cover plate is a transparent member and is attached to the casing of the device, and the light-transmitting portion is aligned with the viewing window formed in the casing.
In some of these embodiments, the light-transmitting portion is a rib provided on the surface of the cover plate and is embedded in the viewing window.
In some embodiments, the bottom surface of the bottom plate is provided with a socket, and the light source is electrically connected with the socket.
In some of these embodiments, the backplane is a PCB board.
Based on the technical scheme, the light guide plate of the light guide assembly in the embodiment of the utility model forms integral luminescence under the irradiation of the light source, so that the light transmission part is in a light bar shape or a light column shape, and compared with the electric quantity indicator lamp, the display area is larger, and the electric quantity indicator lamp is easier to identify for a user; the light guide plates are arranged continuously to form a long light bar or light column, the length of the light bar or light column directly represents the electric quantity of the current equipment, the visual effect is more visual, and the display effect is better; the light source and the light guide plate are covered and protected by the cover plate, so that the light source and the light guide plate are prevented from being corroded by the outside, the light source and the light guide plate are not easy to damage, the service life is longer, the maintenance and replacement frequency is lower, the equipment maintenance cost is reduced, and the problems that the display effect is poor, the light source and the light guide plate are easy to damage and the maintenance cost is high when a current electric quantity limiting device adopts a row of discontinuous electric quantity indicator lamps are solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic diagram of an electric quantity display device according to the present utility model;
FIG. 2 is a schematic diagram of a hidden cover of the power display device according to the present utility model;
FIG. 3 is an exploded view of the power display device of the present utility model;
fig. 4 is a schematic view of the power display device of the present utility model when mounted on a casing.
In the figure:
1. a bottom plate; 2. a light guide assembly; 21. a light guide plate; 22. a diffusion film; 23. shading paper; 3. a light source; 4. a cover plate; 41. a light transmitting portion; 42. an assembly groove; 5. a housing; 51. an observation window; 6. and a socket.
Detailed Description
The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", or a third "may explicitly or implicitly include one or more such feature.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 and 2, in an exemplary embodiment of the power display device of the present utility model, the power display device includes a base plate 1, a light guide assembly 2, a light source 3, and a cover plate 4.
The light guide assembly 2, the light source 3 and the cover plate 4 are all arranged on the bottom plate 1, the light guide assembly 2 is provided with a plurality of light guide plates 21 which are arranged in a row, and the bottom surface of the light guide plate 21 is provided with a diffusion film 22. The light sources 3 have a plurality, and each light source 3 is located at one side of the corresponding light guide plate 21. The cover plate 4 covers the light guide assembly 2 and the light source 3, and is provided with a transparent light transmitting portion 41, and the light transmitting portion 41 extends from one end of the light guide assembly 2 to the other end thereof, thereby covering the entire light guide plate 21.
The light emitted from the light source 3 is horizontally injected into the light guide plate 21 from the edge thereof, and is emitted through the top surface of the light guide plate 21 under the refraction and reflection effects of the diffusion film 22, and the light guide plate 21 emits light as a whole. The light transmitting portion 41 is provided along the longitudinal direction of the light guide member 2, and is elongated.
The light emitted from the light guide plate 21 can be emitted only through the transparent light transmitting portion 41, and is in the shape of a light stripe or a light column. When the equipment electric quantity is full, all light sources 3 are lighted, the equipment electric quantity is gradually consumed, the light sources 3 are extinguished one by one from one end to the other end, each light source 3 is used for illuminating one light guide plate 21 corresponding to one side, the light transmission parts 41 enable the light guide plates 21 which emit light to be in a light strip shape or a light column shape, the light guide plates 21 are continuously arranged, no gap exists between the adjacent light guide plates 21, and therefore a light strip or a light column with the length changing along with the electric quantity is formed through the light transmission parts 41, and the display of the electric quantity is realized.
In the above-mentioned exemplary embodiment, the electric quantity display device forms the area light source through light guide plate and light source to take the form of light strip or light column under the effect of printing opacity portion, compare in single electric quantity pilot lamp, have great light emitting area, thereby increased the display area, let the user discern more easily. The light guide plates are arranged continuously, no space exists between the adjacent light guide plates, so that one or more light guide plates capable of emitting light form a light bar or light column with variable length through the light transmission part, the length of the light bar or light column directly represents the size of the current equipment electric quantity, and compared with illusion brought by the space between the electric quantity indicator lamps, the visual effect produced by the light bar or light column is more visual, and the display effect is better. The light source and the light guide plate are covered by the cover plate, protected by the cover plate, cannot be corroded by the outside, is not easy to damage, is longer in service life, lower in maintenance and replacement frequency, reduces equipment maintenance cost, and solves the problems that a current electric quantity limiting device adopts a row of discontinuous electric quantity indicating lamps and is poor in display effect, easy to damage and high in maintenance cost.
In some embodiments, the end face of one light guide plate 21 is attached to the end face of the adjacent other light guide plate 21, and the contact surface of the adjacent two light guide plates 21 is increased, so that the two light bars or light columns formed by the two light guide plates 21 can be fully connected, the appearance of break points is avoided, and the electric quantity display effect is ensured.
In some embodiments, a light shielding paper 23 is stacked between two adjacent light guide plates 21. In the process of light propagation in the light guide plate 21, a part of the light rays can be emitted to the adjacent other light guide plate 21, in order to avoid that one light source 3 lightens two light guide plates 21 simultaneously, the accuracy of electric quantity indication is ensured, the light paths between the adjacent two light guide plates 21 are separated by the shading paper 23, and the light rays are prevented from being emitted into the adjacent other light guide plate 21 from one light guide plate 21, so that one light source 3 only can lighten the corresponding one light guide plate 21.
In some embodiments, the bottom surface of the cover plate 4 is provided with the assembly groove 42, and the light guide assembly 2 and the light source 3 are both positioned in the assembly groove 42, so that the light guide assembly 2 and the light source 3 are embedded in the cover plate 4, the surrounding degree of the cover plate 4 to the light guide assembly 2 and the light source 3 is increased, the protection effect to the light guide assembly 2 and the light source 3 is further improved, and the thickness of the whole device is reduced.
In some embodiments, the cover 4 is a transparent member, the power display device is mounted on the casing 5 of the apparatus, the cover 4 is attached to the casing 5 of the apparatus, and the light-transmitting portion 41 is aligned with the observation window 51 formed on the casing 5, so that the light emitted by the light guide plate 21 can only be emitted through the observation window 51, and thus a light bar or a light column is formed on the observation window 51. Compared with the cover plate 4, the transparent part 41 is only made transparent, and the rest part is opaque, the cover plate 4 is directly made of transparent parts, and the light shielding display is carried out through the observation window 51, so that the processing difficulty of the cover plate 4 is reduced.
In some embodiments, the light-transmitting portion 41 is a rib disposed on the surface of the cover plate 4 and is embedded in the observation window 51, so that the outer surface of the casing 5 is flat, and the light emitted by the light guide plate 21 is directly emitted through the rib, so that the shadow generated on the cover plate 4 by the hole formed by the observation window 51 is avoided, and the display effect is ensured.
In some embodiments, the bottom surface of the bottom plate 1 is provided with a socket 6, and the light source 3 is electrically connected with the socket 6, so that a cable for power supply and signal transmission can be connected through the socket 6, the light source 3 is electrified and turned on or off, and the light source 3 is controlled to be turned on or off.
In some embodiments, the bottom board 1 is a PCB board, so that the power-on line connected with the light source 3 is directly located in the bottom board 1, thereby saving space.
Finally, it should be noted that: in the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same; while the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present utility model or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the utility model, it is intended to cover the scope of the utility model as claimed.
Claims (8)
1. An electric quantity display device, characterized by comprising:
a bottom plate;
the light guide assembly is arranged on the bottom plate and is provided with a plurality of light guide plates which are arranged in a row continuously, and the bottom surface of the light guide plate is provided with a diffusion film;
the light sources are arranged on the bottom plate and are in a plurality, and each light source is positioned at one side corresponding to the light guide plate and is used for enabling light rays emitted by the light source to be horizontally emitted into the light guide plate from the edge of the light guide plate;
the cover plate is arranged on the bottom plate and covers the light guide assembly and the light source, and is provided with a transparent light transmission part, and the light transmission part extends from one end of the light guide assembly to the other end of the light guide assembly.
2. The power display device according to claim 1, wherein an end face of one of the light guide plates is attached to an end face of an adjacent other of the light guide plates.
3. The power display device according to claim 1 or 2, wherein a light shielding paper is stacked between two adjacent light guide plates for blocking light from one light guide plate to the other light guide plate.
4. The power display device of claim 1, wherein the bottom surface of the cover plate has an assembly groove, and the light guide assembly and the light source are both positioned in the assembly groove.
5. The power display device according to claim 1, wherein the cover plate is a transparent member and is attached to a casing of the apparatus, and the light-transmitting portion is aligned with a viewing window formed in the casing.
6. The power display device according to claim 5, wherein the light-transmitting portion is a rib provided on a surface of the cover plate and is embedded in the observation window.
7. The power display device according to claim 1, wherein a socket is installed on the bottom surface of the bottom plate, and the light source is electrically connected with the socket.
8. The power display device of claim 1, wherein the base plate is a PCB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320151834.7U CN218938310U (en) | 2023-01-19 | 2023-01-19 | Electric quantity display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320151834.7U CN218938310U (en) | 2023-01-19 | 2023-01-19 | Electric quantity display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218938310U true CN218938310U (en) | 2023-04-28 |
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ID=86092079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320151834.7U Active CN218938310U (en) | 2023-01-19 | 2023-01-19 | Electric quantity display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218938310U (en) |
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2023
- 2023-01-19 CN CN202320151834.7U patent/CN218938310U/en active Active
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