CN210986855U - Display module and public device having the same - Google Patents
Display module and public device having the same Download PDFInfo
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- CN210986855U CN210986855U CN201922207559.2U CN201922207559U CN210986855U CN 210986855 U CN210986855 U CN 210986855U CN 201922207559 U CN201922207559 U CN 201922207559U CN 210986855 U CN210986855 U CN 210986855U
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Abstract
The utility model discloses a display module and public equipment that has display module, including display screen (10), still include: the heater (20), the said heater (20) is set up close to the said display screen (10), is used for heating the said display screen (10); a fan (30) disposed on one side of the display screen (10) and configured to generate wind to be blown to the display screen (10); a controller (40) coupled to the heater (20) and the fan (30), respectively, wherein the controller (40) controls the heater (20) to heat the display screen (10) when the surface temperature of the display screen (10) is less than or equal to the lowest working temperature; when the surface temperature of the display screen (10) is higher than or equal to the highest working temperature, the controller (40) controls the fan (30) to blow to the display screen (10) to dissipate heat of the surface of the display screen.
Description
Technical Field
The utility model relates to an outdoor smart machine field especially relates to a display module and public equipment who has display module.
Background
With the rapid development of network and intelligent technology, more and more intelligent devices with internet of things technology enter the field of public facility use, such as products of intelligent classification garbage bins, intelligent express cabinets and the like, the facilities have a touch liquid crystal screen which can be controlled by a user, but the current liquid crystal screen has great defects in the aspect of physical performance of use environment temperature, the limit of the use environment temperature is from +50 ℃ to-20 ℃, the liquid crystal screen is easy to burn when the liquid crystal screen is at high temperature in summer and is directly irradiated by sunlight, and the liquid crystal screen is easy to explode in low-temperature environment in winter. The latitude of north and south China is large, the temperature difference between north and south is large, particularly in winter, the defect that the liquid crystal screen of the intelligent equipment is resistant to temperature difference is combined with the large temperature difference between north and south, so that a plurality of outdoor intelligent equipment are difficult to popularize nationwide, and the equipment cost is greatly increased if the military-level liquid crystal screen is used.
Disclosure of Invention
The utility model discloses aim at solving one of the problem that above-mentioned prior art exists, the utility model discloses an aim at provides a display module, and this display module can realize the heating and the heat dissipation to the display screen, prevents that the display screen from because the high temperature or low emergence damage of crossing low, simple structure moreover, simple to operate uses reliably, low in manufacturing cost.
Another object of the present invention is to provide a public device having the above display module.
According to the utility model discloses a display module of first aspect, including the display screen, still include:
the heater is arranged close to the display screen and used for heating the display screen;
a fan disposed at one side of the display screen and configured to generate wind to be blown to a surface of the display screen;
a controller coupled to the heater and the fan, respectively,
when the surface temperature of the display screen is less than or equal to the lowest working temperature, the controller controls the heater to heat the display screen;
when the surface temperature of the display screen is greater than or equal to the highest working temperature, the controller controls the fan to blow to the display screen to dissipate heat of the surface of the display screen.
In the technical scheme, when the display screen is operated outdoors and the surface temperature of the display screen is less than or equal to the lowest working temperature of the display screen, the controller controls the heater to heat the display screen; when the surface temperature of the display screen is greater than or equal to the highest working temperature of the display screen, the controller controls the fan to blow to the display screen to dissipate heat of the surface of the display screen; when display screen surface temperature is greater than its minimum operating temperature and is less than its maximum operating temperature, controller control the fan the heater does not work this display module can realize the heating and the heat dissipation to the display screen, prevents that the display screen from because the high temperature or low emergence damage of crossing excessively, simple structure moreover, simple to operate uses reliably, low in manufacturing cost.
In addition, according to the utility model discloses a display module and public equipment that has display module can also have following technical characterstic:
further, still include:
a temperature sensor coupled to the controller for monitoring a temperature of the display screen surface,
when the temperature sensor detects that the surface temperature of the display screen is less than or equal to the lowest working temperature of the display screen, the controller controls the heater to heat the display screen;
when the temperature sensor detects that the surface temperature of the display screen is greater than or equal to the highest working temperature, the controller controls the fan to blow to the display screen to dissipate heat of the surface of the display screen.
Further, still include:
the shell is fixedly connected with the outer contour of the display screen, and the heater and the fan are fixedly connected to the shell.
Preferably, a ventilation hole is arranged on the housing between the heater and the display screen and between the fan and the display screen.
Preferably, the ventilation holes are arranged at intervals between the heater and the display screen and between the fan and the display screen, and an area occupied by the ventilation holes is not smaller than any one of a projection area of the heater on the housing and a projection area of the fan on the housing.
Preferably, a heat collecting space with an open upper end is further disposed between the vent hole and the heater on the housing, and the heater is covered on the upper end of the heat collecting space to form a closed heat collecting space.
Further, the shell is of a frame structure, at least one frame edge of the shell extends towards the outer side of the shell to form an extension plate, and the vent hole and the heat collecting space are formed in the extension plate.
Preferably, the fan is connected to the upper end of the heater, so that when the surface temperature of the display screen is less than or equal to the lowest working temperature, the controller controls the fan to blow heat generated by the heater to the display screen to heat the display screen.
Preferably, the ventilation holes are arranged on the shell between the heater and the display screen at intervals, and the area occupied by the ventilation holes is not smaller than the projection area of the heater on the shell.
According to the utility model of the second aspect, the public equipment has the display component, because the display component can realize heating and heat dissipation to the display screen, the display screen is prevented from being damaged due to overhigh or overlow temperature, and the public equipment has the advantages of simple structure, convenient installation, reliable use, low manufacturing cost and the like; therefore, according to the utility model discloses the public equipment of second aspect has adaptability reinforce, and simple structure, and simple to operate uses reliably, low in manufacturing cost's advantage.
Drawings
Fig. 1 is a schematic structural diagram of one direction of a display module according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another direction of a display module according to an embodiment of the present invention;
fig. 3 is a partially cut-away illustration of a display assembly according to an embodiment of the invention;
fig. 4 is a schematic structural diagram of a public device according to an embodiment of the present invention.
Reference numerals:
a public device 200;
an apparatus body 201;
a display assembly 100;
a display screen 10;
a heater 20;
a fan 30;
a controller 40;
a temperature sensor 50;
a housing 60;
an extension plate 61;
a vent hole 611;
a heat accumulation space 612.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The following description is provided with reference to the accompanying drawings to assist in a comprehensive understanding of various embodiments of the invention as defined by the claims. It includes various specific details to assist in this understanding, but these details should be construed as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that changes and modifications may be made to the various embodiments described herein without departing from the scope of the present invention, which is defined by the following claims. Moreover, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.
Features, integers or characteristics described in conjunction with a particular aspect, embodiment or example of the invention are to be understood to be applicable to any other aspect, embodiment or example described herein unless incompatible therewith.
Although expressions such as "1 st", "2 nd", "first" and "second" may be used to describe the respective elements of the present invention, they are not intended to limit the corresponding elements. For example, the above expressions are not intended to limit the order or importance of the corresponding elements. The above expressions are used to distinguish one element from another.
When an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element, but it is understood that intervening elements may be present. Alternatively, when an element is referred to as being "directly connected" or "directly coupled" to another element, it is understood that there are no intervening elements present between the two elements.
References herein to "upper", "lower", "left", "right", etc. are merely intended to indicate relative positional relationships, which may change accordingly when the absolute position of the object being described changes.
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. Singular references include plural references unless there is a significant difference in context, scheme or the like between them.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and the present specification and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
According to the utility model discloses a display module 100, as shown in fig. 1-3, including display screen 10, still include: a heater 20, a fan 30 and a controller 40,
the heater 20 is arranged close to the display screen 10 and used for heating the display screen 10; for example, the heater 20 may be a resistance heating wire, and the heater 20 may be disposed near the display screen 10 to heat the display screen 10, thereby preventing the screen from being frozen.
A fan 30 disposed at one side of the display screen 10 and configured to generate wind to be blown to a surface of the display screen 10; that is, the fan 30 includes at least a driving motor and an impeller, wherein the impeller is fixedly connected to an output shaft of the driving motor, and the impeller is driven by the driving motor to rotate around a central axis thereof, so that wind generated by the impeller is blown to the surface of the display screen 10.
A controller 40 coupled to the heater 20 and the fan 30, respectively,
when the surface temperature of the display screen 10 is less than or equal to the lowest working temperature, the controller 40 controls the heater 20 to heat the display screen 10;
when the surface temperature of the display screen 10 is greater than or equal to the maximum working temperature, the controller 40 controls the fan 30 to blow to the display screen 10 to dissipate heat from the surface of the display screen 10.
When the surface temperature of the display screen 10 is higher than the lowest working temperature and lower than the highest working temperature, the controller 40 controls neither the fan 30 nor the heater 20 to work.
It can be understood that, when the display screen 10 is operated outdoors, when the surface temperature of the display screen 10 is less than or equal to the lowest working temperature thereof, the controller 40 controls the heater 20 to heat the display screen 10; when the surface temperature of the display screen 10 is greater than or equal to the maximum working temperature, the controller 40 controls the fan 30 to blow to the display screen 10 to dissipate heat of the surface of the display screen 10; when the surface temperature of the display screen 10 is higher than the lowest working temperature and lower than the highest working temperature, the controller 40 controls neither the fan 30 nor the heater 20 to work; this display module 100 can realize heating and the heat dissipation to display screen 10, prevents that display screen 10 from because the high temperature or low excessively takes place to damage, simple structure moreover, simple to operate uses reliably, low in manufacturing cost.
It should be noted that the display module 100 further includes an operating power source, and the display screen 10 and the controller 40 are coupled to the operating power source to provide an operating voltage for the display module 100.
In an embodiment of the present invention, the controller 40 is installed on the inner side surface of the display screen 10, for example, by connecting through a fastening connector, so as to protect the controller 40.
In an embodiment of the present invention, the present invention further includes:
a temperature sensor 50, the temperature sensor 50 being coupled to the controller 40 for monitoring a temperature of a surface of the display screen 10,
when the temperature sensor 50 detects that the surface temperature of the display screen 10 is less than or equal to the lowest working temperature, the controller 40 controls the heater 20 to heat the display screen 10;
when the temperature sensor 50 detects that the temperature of the surface of the display screen 10 is greater than or equal to the maximum working temperature of the display screen, the controller 40 controls the fan 30 to blow to the display screen 10 to dissipate heat of the surface of the display screen 10;
specifically, the temperature sensor 50 is installed at a place closest to the temperature of the external environment, for example, a housing 60 described below, and the temperature sensor 50 is installed at a place facing the outside of the housing 60, so that the temperature of the external environment, that is, the temperature of the display screen 10 can be most truly monitored.
In an embodiment of the present invention, the present invention further includes:
the housing 60 is fixedly connected with the outer contour of the display screen 10, and the heater 20 and the fan 30 are fixedly connected to the housing 60;
that is, by fixing the housing 60 on the outer contour of the display screen 10, the installation of the fan 30, the heater 20 and other connecting components can be facilitated, and the display screen 10 can be protected; the display screen 10 may be attached to the housing 60 by bolt fasteners; of course, the temperature sensor 50 is also connected to the housing 60, and the temperature sensor 50 is connected to a place far away from the heater 20 and the fan 30, for example, the temperature sensor 50 can be connected to the side of the housing 60 by screw fasteners, so that the measurement accuracy of the temperature sensor 50 is not affected.
In an embodiment of the present invention, as shown in fig. 1, the housing 60 located between the heater 20 and the display screen 10 and between the fan 30 and the display screen 10 is provided with a ventilation hole 611; that is, by providing the ventilation hole 611, the heat generated by the heater 20 can flow from the heater 20 to the display screen 10 along the ventilation hole 611; similarly, the wind generated by the fan 30 may flow toward the display screen 10 along the ventilation holes 611 by the fan 30; the provision of the vent holes 611 may facilitate the flow of heat and wind.
In an example of the present invention, as shown in fig. 1, the ventilation holes 611 are plural and are arranged at intervals between the heater 20 and the display screen 10 and between the fan 30 and the display screen 10, and an area occupied by the plural ventilation holes 611 is not smaller than any one of a projection area of the heater 20 on the housing 60 and a projection area of the fan 30 on the housing 60; therefore, heat can be fully dissipated by the display screen 10, and wind can be fully blown to the surface of the display screen 10, so that the display screen 10 is heated more uniformly, and the heat dissipation of the display screen 10 is more uniform.
In an embodiment of the present invention, as shown in fig. 3, a heat collecting space 612 with an open upper end is further disposed on the housing 60 between the ventilation hole 611 and the heater 20, and the heater 20 is covered on the upper end of the heat collecting space 612 to form a closed heat collecting space 612; that is, the upper end surface of the housing 60 extends downward to form a heat collecting space 612 with an open upper end, the heat collecting space 612 penetrates through the upper end edge of the housing 60 and does not penetrate through the lower end edge thereof, the lower end of the heat collecting space 612 is communicated with a vent hole 611 to communicate the upper end edge of the housing 60 with the lower end edge thereof, the vent hole 611 penetrates through the lower end edge thereof and does not penetrate through the upper end edge thereof, and the housing 60 can be integrally formed by casting or forging in the manufacturing process of the housing 60, so that the reliability of the housing 60 is higher, and the trouble of assembly is avoided; the heat collecting space 612 can be sealed by arranging the heater 20 at the upper end of the heat collecting space 612, so that the heat generated by the heater 20 is more gradually and uniformly exhausted through the vent holes 611 in the sealed heat collecting space 612, and the surface of the display screen 10 is heated more uniformly.
In an embodiment of the present invention, as shown in fig. 1 to 3, the housing 60 is a frame structure, and at least one frame edge of the housing 60 extends to the outside to form an extension plate 61, and the vent hole 611 and the heat collecting space 612 are formed on the extension plate 61; preferably, the casing 60 is a quadrangular frame structure, the display screen 10 is mounted in the quadrangular frame structure by a fastener, and an extension plate 61 extending to the outside of the casing 60 is formed on the upper frame edge of the casing 60, so that heat generated by the heater 20 and wind generated by the fan 30 can be blown to the outer side surface of the display screen 10, and because the extension plate 61 is arranged at the upper end of the casing 60, the heat or wind can move downwards under the action of gravity, so that the display screen 10 is heated or cooled more uniformly.
In an embodiment of the present invention, as shown in fig. 2 and 3, the fan 30 is connected to the upper end of the heater 20, so that when the surface temperature of the display screen 10 is less than or equal to the lowest working temperature thereof, the controller 40 controls the fan 30 to blow the heat generated by the heater 20 to the display screen 10 to heat the display screen; it will be appreciated that in order to facilitate the wind generated by the fan 30 to pass through the heater 20, for example, the heater 20 may be provided with a hollow or grid structure so that the wind generated by the fan 30 passes through the heater 20.
Specifically, the heater 20, the fan 30 and the extension plate 61 of the housing 60 are connected by fasteners, the heater 20 is provided with a plurality of first positioning holes, the fan 30 is provided with a plurality of second positioning holes, the extension plate 61 of the housing 60 is provided with a plurality of third positioning holes, the plurality of first positioning holes, the plurality of second positioning holes and the plurality of third positioning holes are in one-to-one correspondence, and the fasteners sequentially pass through the first positioning holes, the second positioning holes and the third positioning holes; this structure safe and reliable, reduction space, it is convenient to dismantle, can open fan 30 when the heating simultaneously to blow the outside surface to display screen 10 with hot-blast, thereby can heat display screen 10 more evenly.
In an embodiment of the present invention, as shown in fig. 1, the plurality of ventilation holes 611 are arranged on the housing 60 between the heater 20 and the display screen 10 at intervals, and an area occupied by the plurality of ventilation holes 611 is not smaller than a projection area of the heater 20 on the housing 60; that is, at this time, the fan 30 is in indirect contact with the housing 60, that is, the heater 20 is in contact with the housing 60, so that the projection area of the heater 20 on the housing 60 is smaller than the area occupied by the vent holes 611, thereby uniformly dissipating or heating the heat.
The working principle of the utility model is as follows: when the display screen 10 is operated outdoors, and when the temperature sensor 50 detects that the surface temperature of the display screen 10 is less than or equal to the lowest operating temperature, the controller 40 controls the heater 20 and the fan 30 to operate simultaneously, and the wind generated by the fan 30 blows towards the display screen 10, so that the heat generated by the heater 20 passes through the heat collecting space 612 and the vent holes 611 in sequence to heat the outer side surface of the display screen 10; when the temperature sensor 50 detects that the surface temperature of the display screen 10 is greater than or equal to the maximum working temperature thereof, the controller 40 controls the fan 30 to blow towards the display screen 10, so that wind passes through the heater 20, the heat collecting space 612 and the vent holes 611 in sequence to dissipate heat from the outer side surface of the display screen 10; this display module 100 can realize heating and the heat dissipation to display screen 10, prevents that display screen 10 from because the high temperature or low excessively takes place to damage, simple structure moreover, simple to operate uses reliably, low in manufacturing cost.
According to the utility model of the second aspect of the public equipment 200, as shown in fig. 4, including the equipment body 201 and the display assembly 100 installed thereon, because the display assembly 100 according to the present invention can realize the heating and heat dissipation of the display screen 10, prevent the display screen 10 from being damaged due to over-high or over-low temperature, and the structure is simple, the installation is convenient, the use is reliable, and the manufacturing cost is low; therefore, according to the utility model discloses public equipment 200 of second aspect has adaptability strong, and simple structure, simple to operate, uses reliably, low in manufacturing cost's advantage.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.
Those skilled in the art will appreciate that various features of the various embodiments of the invention described hereinabove may be omitted, added to, or combined in any manner accordingly. Moreover, the simple transformation and the solution of adapting and functional structure transformation to the prior art, which can be thought of by those skilled in the art, all belong to the protection scope of the present invention.
While the invention has been shown and described with reference to various embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (10)
1. A display assembly comprising a display screen (10), characterized by further comprising:
the heater (20), the said heater (20) is set up close to the said display screen (10), is used for heating the said display screen (10);
a fan (30) disposed on one side of the display screen (10) and configured to generate wind to be blown to the surface of the display screen (10);
a controller (40) coupled with the heater (20) and the fan (30), respectively,
when the surface temperature of the display screen (10) is less than or equal to the lowest working temperature, the controller (40) controls the heater (20) to heat the display screen (10);
when the surface temperature of the display screen (10) is higher than or equal to the highest working temperature, the controller (40) controls the fan (30) to blow to the display screen (10) to dissipate heat of the surface of the display screen.
2. The display assembly of claim 1, further comprising:
a temperature sensor (50), the temperature sensor (50) coupled to the controller (40) for monitoring a temperature of a surface of the display screen (10),
when the temperature sensor (50) detects that the surface temperature of the display screen (10) is less than or equal to the lowest working temperature, the controller (40) controls the heater (20) to heat the display screen (10);
when the temperature sensor (50) detects that the surface temperature of the display screen (10) is higher than or equal to the highest working temperature, the controller (40) controls the fan (30) to blow to the display screen (10) to dissipate heat of the surface of the display screen.
3. The display assembly of claim 1, further comprising:
the shell (60) is fixedly connected with the outer contour of the display screen (10), and the heater (20) and the fan (30) are fixedly connected to the shell (60).
4. A display assembly according to claim 3, wherein a vent (611) is provided in the housing (60) between the heater (20) and the display screen (10) and between the fan (30) and the display screen (10).
5. The display assembly according to claim 4, wherein the ventilation hole (611) is plural and arranged at intervals between the heater (20) and the display screen (10) and between the fan (30) and the display screen (10), and an area occupied by the plural ventilation holes (611) is not smaller than any one of a projected area of the heater (20) on the housing (60) and a projected area of the fan (30) on the housing (60).
6. The display assembly according to claim 4, wherein a heat collecting space (612) having an open upper end is further disposed on the housing (60) between the ventilation hole (611) and the heater (20), and the heater (20) is covered on the upper end of the heat collecting space (612) to form a closed heat collecting space (612).
7. The display module according to claim 6, wherein the housing (60) is a frame structure, and at least one frame edge of the housing (60) extends to the outside thereof to form an extension plate (61), and the vent hole (611) and the heat collecting space (612) are formed on the extension plate (61).
8. The display assembly of claim 4, wherein the fan (30) is connected to the upper end of the heater (20) such that when the surface temperature of the display screen (10) is less than or equal to its lowest operating temperature, the controller (40) controls the fan (30) to blow heat generated by the heater (20) toward the display screen (10) to effect heating thereof.
9. The display assembly according to claim 8, wherein the ventilation hole (611) is plural and is arranged at intervals on the housing (60) between the heater (20) and the display screen (10), and an area occupied by the plural ventilation holes (611) is not smaller than a projection area of the heater (20) on the housing (60).
10. A public device, characterized in that it comprises a display assembly (100) according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922207559.2U CN210986855U (en) | 2019-12-10 | 2019-12-10 | Display module and public device having the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922207559.2U CN210986855U (en) | 2019-12-10 | 2019-12-10 | Display module and public device having the same |
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| Publication Number | Publication Date |
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| CN210986855U true CN210986855U (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922207559.2U Active CN210986855U (en) | 2019-12-10 | 2019-12-10 | Display module and public device having the same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112284769A (en) * | 2020-12-30 | 2021-01-29 | 中汽研汽车检验中心(宁波)有限公司 | Dynamometer machine working condition driving auxiliary system |
-
2019
- 2019-12-10 CN CN201922207559.2U patent/CN210986855U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112284769A (en) * | 2020-12-30 | 2021-01-29 | 中汽研汽车检验中心(宁波)有限公司 | Dynamometer machine working condition driving auxiliary system |
| CN112284769B (en) * | 2020-12-30 | 2021-10-26 | 中汽研汽车检验中心(宁波)有限公司 | Dynamometer machine working condition driving auxiliary system |
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Denomination of utility model: Display components and common devices with display components Effective date of registration: 20201223 Granted publication date: 20200710 Pledgee: Bank of China Limited by Share Ltd. Xuzhou Copper Mt branch Pledgor: JIANGSU WONDERFUL PUBLIC FACILITY TECHNOLOGY Co.,Ltd. Registration number: Y2020320000255 |