CN209744243U - Emergency lighting device - Google Patents
Emergency lighting device Download PDFInfo
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- CN209744243U CN209744243U CN201920684070.1U CN201920684070U CN209744243U CN 209744243 U CN209744243 U CN 209744243U CN 201920684070 U CN201920684070 U CN 201920684070U CN 209744243 U CN209744243 U CN 209744243U
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Abstract
The utility model provides an emergency lighting device, including lighting module, emergency module and connecting piece, the connecting piece has the cavity, lighting module connects the one end of connecting piece, emergency module connects the other end of connecting piece, the connecting piece cavity forms the enclosure space with the help of the installation, the airtight space partition that the connecting piece formed emergency module with lighting module becomes the wall of lighting module during operation heat transfer simultaneously, has reduced emergency module's temperature, has improved emergency module's reliability.
Description
Technical Field
the utility model relates to the field of lighting technology, particularly, relate to an emergency lighting device.
Background
The high-bay lamp is a common lighting device, is often used in production operation areas of factories, mines, warehouses and high bays, is also called as an industrial and mining lamp, has the characteristics of complex environment, large lighting range, large power consumption and the like, and is usually required to be made into an emergency lighting device once production interruption or even accidents are easily caused by power failure. However, the general emergency high shed light includes a power supply, a heat sink, a light source, an emergency control, and the like. The emergency control is generally transversely fixed to the side edge of the lamp body, and most of the emergency lamps are suspended by using hooks, so that the center of gravity of the whole lamp is deviated, and the correct installation of the lamp is influenced; or the emergency control and the power supply are arranged in a mounting cavity, the mounting cavity and the light source are respectively connected to two ends of the radiator, the light source is positioned below the radiator to facilitate lighting, heat generated by the light source is dissipated by the radiator, the power supply and the emergency control are arranged in the mounting cavity above the radiator, and under the thermal convection effect, the power supply and the emergency control are roasted by the radiator just like a pan on an oven, so that the emergency control can work in a high-temperature environment of 90 ℃ under the driving of the LED power supply, the influence of the heating of the LED is not large, the working environment temperature of the emergency control is below 50 ℃, and the tolerant cavity temperature of the emergency control is below 70 ℃, therefore, the environment temperature of the emergency control is higher than the normal working temperature and the tolerant cavity temperature of the emergency control, the emergency control is threatened, serious potential safety hazard is caused, and the service.
Referring to fig. 1, CN20603674 discloses an emergency high shed lamp in the prior art, which comprises a mounting housing 1, a heat sink 6, a mounting cavity 11, a mounting box 5 engaged with the mounting cavity 11, an emergency driver 3 and a storage battery 4 disposed in the mounting box 5, and a lamp 2 disposed at the other side of the mounting housing 1. The mounting box 5 is located the installation cavity 11, and the heating panel is located mounting box 5 below and periphery, and the heat that the lamp body produced forms the effect of roasting to the mounting box behind the radiator, influences the ambient temperature of emergency drive ware and battery in the mounting box 5, causes serious potential safety hazard.
in view of the above, there is a need to provide a medium-emergency high-bay light, which can solve the environmental temperature of the emergency control so that the high-emergency high-bay light can work at normal environmental temperature.
SUMMERY OF THE UTILITY MODEL
a primary object of the utility model is to provide an emergent high canopy lamp structure, the ambient temperature of the emergent controlling part that can reduce the lamp reduces the hidden danger, improves the life-span.
In order to achieve the above object, according to an aspect of the present invention, there is provided an emergency lighting device, including an emergency module, a lighting module, and a connecting member, the connecting member has a cavity, the lighting module is connected one end of the connecting member, the emergency module is connected the other end of the connecting member, the connecting member cavity forms an enclosed space after connecting the lighting module and the emergency module, the enclosed space that the connecting member forms separates the emergency module with the lighting module.
Further, the lighting device further comprises a sealing plug arranged between the connecting piece and the lighting module and/or the emergency module.
Further, the lighting module comprises a light emitting element, a light source driving and heat dissipating element; the heat dissipation element is provided with an interface, and the connecting piece is connected with the lighting module at the interface; the lighting device further comprises a sealing plug, and the sealing plug is arranged between the connecting piece and the interface.
Furthermore, the emergency module comprises a shell, an emergency control and a battery pack, wherein the emergency control and the battery pack are arranged in the shell; one side of the shell is provided with a fixed structure, the other side of the shell is provided with an interface, and the connecting piece is connected with the emergency module at the interface; the lighting device further comprises a sealing plug, and the sealing plug is arranged between the connecting piece and the interface.
further, the emergency control and the emergency battery pack are uniformly weighted, and the gravity center line of the lighting device passes through the connecting piece.
the utility model provides a lighting device, connecting piece of introduction of creation nature makes lighting module and emergency module space separation, makes the two directly form the wall of heat transfer, reduces the heat that the light source produced and to electron device's influence, has improved lighting device's security and life.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 shows an exploded view of a prior art high shed light;
Fig. 2 shows an exploded view of a high shed light structure according to an embodiment of the present invention;
FIG. 3 illustrates a cross-sectional view of a high shed light configuration in accordance with an embodiment of the present invention;
FIG. 4 illustrates a logic block diagram for reducing the temperature of a high shed light emergency module in accordance with one embodiment of the present invention.
Wherein the figures include the following reference numerals:
casing 1, heating panel 6, installation cavity 11, mounting box 5, emergency drive ware 3, battery 4, lamp 2, electric wire pin 7, handle 8, light 21, emergency light 22
100 emergency module, 200 connecting piece, 300 lighting module, 101 shell, 102 interface, 103 fixing structure, 104 emergency control, 105 battery pack, 201 sealing plug, 301 light-emitting element, 302 interface, 303 heat dissipation element and 304 light source drive
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting according to the exemplary embodiments of the present application, such as "sealing" as included in the names of elements herein, does not mean that the elements are formed or achieve a sealing effect individually, but rather that the elements contribute in the overall device for their ultimate purpose of forming a seal or in forming a seal. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof; the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The foregoing and other technical and other features and advantages of the invention will be apparent from the following detailed description of preferred embodiments, which proceeds with reference to the accompanying drawings. Directional terms as referred to in the following examples, for example: up, down, left, right, front or rear, etc., are simply directions with reference to the drawings. Accordingly, the directional terminology is used for purposes of illustration and is in no way limiting of the invention.
The utility model provides a lighting device, it has directly set up the connecting piece at emergency module and lighting module to keep apart on emergency module and the lighting module space, form the hindrance to thermal transfer, reach the effect that reduces emergency module ambient temperature, make lighting device reliability improve, prolonged life.
Referring to fig. 2 and fig. 3, fig. 2 is an exploded view of the emergency lighting device of the present invention, and fig. 3 is a cross-sectional view of the emergency lighting device of the present invention. The emergency lighting device 10 includes an emergency module 100, a connector 200, and a lighting module 300. The connector 200 has a cavity, one end of the connector 200 is connected with the emergency module 100, the other end of the connector 200 is connected with the lighting module 300, the cavity of the connector 200 forms a closed space after the lighting module 300 and the emergency module 100 are connected, the closed space formed by the connector 200 separates the emergency module 100 and the lighting module 300 in space, and a path for transferring heat generated by the lighting module 300 to the emergency module 100 is cut off.
In detail, the emergency module 100 includes a housing 101, an emergency control 104 and a battery pack 105; the housing 101 includes an upper housing and a lower housing (not labeled in the figures), the upper housing and the lower housing can be fixedly connected by screws to form a chamber, specifically, a sealing gasket can be further disposed between the upper housing and the lower housing, and then a closed chamber is formed by the fixed connection of the screws, the emergency control 104 and the battery pack 105 are disposed in a cavity, a side surface of the housing 101, as the surface of the upper housing is provided with the fixing structure 103, the other surface of the housing 101 opposite to the lower housing surface is provided with the interface 102, the fixing structure 103 is integrally formed with the housing or detachably disposed on the surface of the housing (e.g., screwed as shown in the figure), the interface 102 is connected to the connecting member 200, the connecting member 200 can be a threaded pipe, holes which only allow a lead to pass through are reserved on the two end faces of the connector, the outer surfaces of the pipe walls of the two end faces are provided with thread structures, and the inner surface of the connector 102 is provided with a corresponding thread structure; in another embodiment, the threaded structure of the connector 200 is on the inside surface of the tube, the connector 200 is internally provided with an end face leaving a through hole, and the threaded structure of the interface 102 is on the outside surface; in another embodiment, the connector 200 and the interface 102 can be fixed by bolts, and other embodiments of the common fixing connection method are not listed here, as long as the cavity of the connector can form a closed space after installation. Preferably, the surface of the housing 101 is further provided with heat dissipation fins, so as to enhance the heat dissipation effect of the emergency module 100 and further reduce the ambient temperature of the emergency module.
The lighting module 300 includes a light emitting element 301, a light source driver 304, and a heat dissipating element 303; the heat dissipation element 303 includes an upper portion and a lower portion (not labeled in the figure), the upper portion and the lower portion of the heat dissipation element 303 respectively form a cavity, the light source driver 304 is disposed in the cavity of the upper portion, the light emitting element 301 is disposed in the cavity of the lower portion, and the outer surface of the heat dissipation element 303 is provided with a plurality of heat dissipation fins. In addition, the upper outer surface of the heat dissipating element 303 is further provided with an interface 302, the interface 302 is connected with the connector 200, similar to the emergency module 100, the inner surface of the interface 302 has a thread structure, and the outer surface of the connector 200 has a corresponding thread structure; in another embodiment, the threaded configuration of the connector 200 is on the inside surface of the tube, while the threaded configuration of the interface 302 is on the outside surface; in another embodiment, the connecting member 200 and the interface 302 can be fixed by bolts, and other common fixing connection embodiments are not listed here
The utility model discloses an emergency lighting device 10 has adopted connecting piece 200 to cut off emergency module 100 and lighting module 300, and used connecting piece 200 is the screwed pipe, and the distance that connecting piece 200 cut off emergency module 100 and lighting module 300 is confirmed according to the lighting module's that chooseed for use size. The data of following table 1 are according to the utility model discloses a several embodiments carry out the gained of measuring, ambient temperature in the experimental conditions is higher than the temperature when in actual use, and ambient temperature when in actual use of general product is below 45 ℃, and the effect that experimental temperature set up when 55 ℃ can guarantee product in actual use is superior to the experiment effect:
Table 1:
The data of comparative example 1 is an emergency lighting device in the prior art, the lighting module actually includes a light emitting element and a light source drive, the emergency module actually is an emergency control, and the emergency control and the light source drive are disposed in the same chamber.
From experimental data analysis, the heat flow forms a chimney effect due to the influence of convection heat dissipation of the lighting module thermal honeycomb. If the connecting piece is not used, the temperature of the cavity of the emergency module reaches 78.4 ℃, the temperature of the cavity of the emergency module greatly exceeds the temperature which can be endured by the emergency control, and in the experimental process, the emergency lighting flickers, so that the emergency lighting cannot work normally. In the embodiment of the application, the lighting module and the emergency module are separated by the connecting piece, so that the temperature of the emergency module is well controlled below the tolerance temperature; and under different lengths of the connector, the emergency module is affected differently by the heat flow temperature of the lighting module. The longer the distance is, the larger the corresponding ratio of the corresponding length to the outer diameter is, and the smaller the temperature of the cavity of the emergency module is affected by the temperature of the lighting module.
According to another embodiment of the present invention, the emergency lighting device 10 further includes a sealing plug 201, specifically, the sealing plug 201 may be disposed between the connecting member 200 and the emergency module 100 and/or between the connecting member 200 and the lighting module 300, and in detail, the sealing plug 201 is disposed in the interface (102, 302), the sealing plug 201 is selected from a poor thermal conductor, such as silica gel, a single component sealant, wood, and the like, the sealing plug 201 is provided with a hole (not labeled in the figure), so that the emergency module 100 and the lighting module 300 are electrically connected through a wire, and the hole is in interference fit with the wire, thereby achieving a sealing effect. The inventor finds that the sealing plug has more excellent heat insulation effect, please refer to the following experimental data of table 2:
table 2:
Comparative example 2, which employs a connector, is a general pipe having both ends open, and cannot form a closed space after assembly, thereby failing to avoid a heat convection effect.
From experimental data analysis, under the condition that effective sealing is achieved by adopting different sealing materials, the temperature of the cavity of the lighting module is effectively separated from the temperature of the cavity of the emergency module. But not sealed because the lumens are in communication with each other. The air heat conduction effect is obvious. The emergency cavity temperature increases greatly.
Referring to fig. 4, fig. 4 is a logic block diagram of the emergency module of the high bay light of the present invention for reducing the temperature of the emergency module, and as shown in the figure, the emergency lighting device can be divided into three parts as a whole according to the working characteristics of each element of the emergency lighting device 10, wherein the three parts are respectively: high heat area, low temperature working area and partition area. According to the thermodynamic analysis of the emergency lighting device, the influence of thermal convection is far larger than that of thermal conduction and thermal radiation in three heat transfer modes, according to the graph of fig. 4, the partition area is arranged between the high-temperature area and the low-temperature working area, the partition area is arranged into a closed space, the heat of the high-temperature area cannot reach the low-temperature working area in a convection mode, even if the heat is transferred to the partition area, convection is generated in the closed space of the partition area due to temperature difference, at the moment, the heat can only be transferred to the partition area through conduction and radiation, the transfer is limited, the convection only occurs in the partition area, the influence is weak, in addition, the heat can only be transferred to the low-temperature working area through the partition area, therefore, the heat of the high-temperature area can only be transferred to the low-temperature working area through the modes of thermal conduction and thermal radiation and through the grounding of the partition, the high heat zone has a reduced effect on the low temperature operating zone. Referring to fig. 2 and fig. 3, the light emitting element 301 of the lighting module 300 emits light to generate heat, the light source driving circuit 304 generates heat, and the heat of the light emitting element and the light source driving circuit are dissipated through the heat dissipating element 303, so that the lighting module 300 is a high heat area in the emergency lighting device; meanwhile, the emergency control 104 and the battery pack 105 in the emergency module have limited temperature tolerance and need to work at a low temperature (relative to the lighting module), so that the emergency module corresponds to a low-temperature working area in the emergency lighting device, and the cavity of the connecting piece forms a closed space after being connected with the lighting module and the emergency module, and corresponds to a partition area.
the utility model discloses creative introduction connecting piece breaks away from lighting module with emergency module, forms the enclosure space between lighting module and emergency module, avoids emergency module to receive the produced heat convection's of light emitting component and light source drive during operation influence, and on the other hand has still set up the sealing plug between connecting piece and emergency module and/or the lighting module, further cuts off lighting module produced heat to emergency module's influence, realizes good thermal-insulated effect. Meanwhile, the emergency module and the lighting module of the emergency lighting device are separate structures, so that the emergency lighting device and the common lighting device can be switched, for example, the emergency module 100 and the connecting piece 200 are detached, and meanwhile, the fixing structure 103 of the shell on the shell 101 is connected to the interface 302 of the lighting module 300, so that the rapid transformation can be realized; similarly, the general lighting device can be quickly transformed into an emergency lighting device by adopting the opposite process.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an emergency lighting device, includes emergency module, lighting module and connecting piece, the connecting piece has the cavity, lighting module connects the one end of connecting piece, emergency module connects the other end of connecting piece, the connecting piece cavity forms the enclosure space after connecting lighting module and emergency module, the airtight space separation that the connecting piece formed emergency module with lighting module.
2. An emergency lighting device according to claim 1 further comprising a sealing plug disposed between the connector and the lighting module and/or the emergency module.
3. The emergency lighting device of claim 1 wherein the lighting module comprises a light emitting element, a light source driving and heat dissipating element.
4. An emergency lighting device according to claim 3 wherein the heat sink element has an interface and the connector connects the lighting module at the interface.
5. the emergency lighting device of claim 1 wherein the emergency module comprises a housing, an emergency control, and a battery pack, the emergency control and battery pack being disposed within the housing.
6. An emergency lighting device according to claim 5 wherein the housing has a mounting structure on one side and an interface on an opposite side, the connector connecting the emergency module at the interface.
7. An emergency lighting device according to claim 5 wherein the emergency control and the emergency battery pack are uniformly weighted, the lighting device center of gravity line passing through the connector.
8. An emergency lighting device according to claim 4 or claim 6 further comprising a sealing plug disposed between the connector and the interface.
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CN201920684070.1U CN209744243U (en) | 2019-05-16 | 2019-05-16 | Emergency lighting device |
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CN201920684070.1U CN209744243U (en) | 2019-05-16 | 2019-05-16 | Emergency lighting device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110056814A (en) * | 2019-05-16 | 2019-07-26 | 深圳市美斯特光电技术有限公司 | Emergency lighting device and the method for reducing emergency lighting device temperature |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110056814A (en) * | 2019-05-16 | 2019-07-26 | 深圳市美斯特光电技术有限公司 | Emergency lighting device and the method for reducing emergency lighting device temperature |
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