CN213403155U

CN213403155U - Video camera

Info

Publication number: CN213403155U
Application number: CN202022004720.9U
Authority: CN
Inventors: 唐鹏程; 郭迎弟; 李信海
Original assignee: Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Current assignee: Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-06-08
Anticipated expiration: 2030-09-14

Abstract

The utility model provides a camera, including shell, lamp plate, camera lens board and control mainboard, the shell is equipped with the holding chamber, and the holding intracavity is all located to lamp plate, camera lens board and control mainboard, and lamp plate and camera lens board electric connection respectively are in the control mainboard, and the lamp plate includes the heat conduction base plate and locates the light emitting source on the heat conduction base plate, and the heat conduction base plate part is buckled to form the laminating and is set up in the first radiating part of the inner wall in holding chamber. The utility model discloses a camera's light emitting source is located on the heat conduction base plate, and the partial bending type of heat conduction base plate becomes the laminating and sets up in the first radiating part of the inner wall in holding chamber, the heat direct conduction that the light emitting source produced reaches the shell to the first radiating part of heat conduction base plate, distribute the air circumstance on every side through the heat radiation of shell and heat convection, the heat conduction that is used for producing the light emitting source to the heat conduction pad and the radiator of shell have been left out, reduce the thermal resistance among the heat transfer process, the radiating effect has effectively been improved.

Description

Video camera

Technical Field

The utility model belongs to the technical field of photography equipment, more specifically say, relate to a camera.

Background

Along with the continuous improvement of the night vision requirement of the camera in the market, the miniaturization trend of the camera is considered, and the brightness of the LED lamp in the camera is gradually improved. However, because the photoelectric conversion efficiency of the LED lamp is low, the LED lamp generates huge heat in the lighting process, which brings great challenges to the heat dissipation design. At present, the common heat dissipation scheme is that the LED lamp is packaged on the metal substrate, and the metal substrate is in contact with the radiator through the heat conducting pad, so that the heat of the LED lamp is conducted to the radiating fins and then is dissipated through the shell. However, the thermal conductivity coefficient of the thermal pad is low, so that the thermal resistance between the LED lamp and the radiator is large, and the radiating effect is affected.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide a camera to solve the camera that exists among the prior art and be difficult to the technical problem who looses its inside produced heat of LED lamp.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a camera, includes shell, lamp plate, lens plate and control mainboard, the shell is equipped with the holding chamber, the lamp plate the lens plate with the control mainboard is all located the holding intracavity, the lamp plate with lens plate electric connection respectively in the control mainboard, the lamp plate includes the heat conduction base plate and locates light emitting source on the heat conduction base plate, the heat conduction base plate partial bending type become the laminating set up in the first radiating part of the inner wall in holding chamber.

In one embodiment, a plurality of first heat sink portions are disposed on the thermally conductive substrate.

In one embodiment, the heat conducting substrate comprises a metal base layer, an insulating layer arranged on one side of the metal base layer, and a copper foil layer arranged on one side of the insulating layer, which faces away from the metal base layer, wherein the light emitting source is arranged on the copper foil layer.

In one embodiment, the metal base layer is an aluminum alloy layer or a copper alloy layer.

In one embodiment, the light emitting source comprises at least one of a white light lamp and an infrared lamp.

In one embodiment, the camera further includes a pyroelectric infrared sensor disposed in the accommodating cavity and electrically connected to the control main board, and the pyroelectric infrared sensor is configured to detect whether an organism approaches the camera.

In one embodiment, the camera further includes a heat dissipation member disposed in the accommodating cavity, the control motherboard is disposed on the heat dissipation member, the heat dissipation member is disposed on an inner wall of the accommodating cavity, and the heat dissipation member is configured to conduct heat of the control motherboard to the housing.

In one embodiment, the camera further includes a first thermal pad interposed between the control main board and the heat sink, the first thermal pad being configured to conduct heat of the control main board to the heat sink.

In one embodiment, the camera further includes a second thermal pad interposed between the heat dissipation member and an inner wall of the accommodation chamber, and the second thermal pad is configured to conduct heat of the heat dissipation member to the housing.

In one embodiment, the housing includes a casing and a cover assembled on the casing, the casing and the cover enclose to form the accommodating cavity, the lamp panel, the lens panel and the control mainboard are sequentially arranged along an assembly direction of the cover and the casing, the lamp panel and the lens panel are fixedly connected to the cover, and the control mainboard is fixedly connected to the casing.

The utility model provides a camera's beneficial effect lies in: compared with the prior art, the utility model discloses a camera's light emitting source is located on the heat conduction base plate, and the partial bending type of heat conduction base plate sets up in the first radiating part of the inner wall of holding chamber in laminating, the heat that the light emitting source produced directly conducts to the first radiating part of heat conduction base plate and reaches the shell, through the heat radiation of shell and heat convection distribute to the air environment of surrounding, heat conduction pad and the radiator that are used for conducting the heat that the light emitting source produced to the shell have been saved, reduce the thermal resistance in the heat transfer process, effectively improved the radiating effect; in addition, the parts and assembly steps of the camera are reduced, thereby reducing the assembly cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic perspective view of a camera according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of a camera according to an embodiment of the present invention;

fig. 3 is a schematic view of a three-dimensional structure of a lamp panel provided in an embodiment of the present invention;

fig. 4 is a schematic view of a three-dimensional structure of a lamp panel provided in an embodiment of the present invention;

fig. 5 is a schematic top view of a camera according to an embodiment of the present invention;

FIG. 6 is a schematic cross-sectional view taken along line A-A of FIG. 5;

fig. 7 is a schematic perspective view of a heat sink according to an embodiment of the present invention;

fig. 8 is a schematic side view of a camera according to an embodiment of the present invention;

fig. 9 is a schematic sectional view along the direction B-B in fig. 8.

Wherein, in the figures, the respective reference numerals:

100-a housing; 110-a housing; 120-a cover body; 130-a containing cavity; 140-a sealing ring; 200-a lamp panel; 210-a thermally conductive substrate; 211-a first heat sink portion; 220-a light emitting source; 300-a lens plate; 400-control the mainboard; 500-pyroelectric infrared sensor; 600-a heat sink; 610-a second heat sink portion; 611-positioning grooves; 620-a third heat sink portion; 630-a fourth heat dissipation portion; 631-reinforcement stiffeners; 640-a stationary part; 650-grooves; 710-a first thermally conductive pad; 720-a second thermal pad; 800-horn.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" 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 defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 and 2, and referring to fig. 5 and 6, an embodiment of the present invention provides a camera, including a housing 100 having a receiving cavity 130, and a lamp panel 200, a lens board 300 and a control motherboard 400 disposed in the receiving cavity 130, wherein the lamp panel 200 and the lens board 300 are respectively electrically connected to the control motherboard 400, as shown in fig. 3 and 4, the lamp panel 200 includes a heat conducting substrate 210 and a light emitting source 220 disposed on the heat conducting substrate 210, and the heat conducting substrate 210 is partially bent to form a first heat dissipating portion 211 attached to an inner wall of the receiving cavity 130.

The utility model discloses camera's beneficial effect lies in: compared with the prior art, the light-emitting source 220 of the camera provided by the embodiment of the present invention is disposed on the heat-conducting substrate 210, and the heat-conducting substrate 210 is partially bent to form the first heat-dissipating portion 211 attached to the inner wall of the accommodating cavity 130, the heat generated by the light-emitting source 220 is directly conducted to the first heat-dissipating portion 211 of the heat-conducting substrate 210 and reaches the housing 100, and is dissipated to the surrounding air environment through the heat radiation and the heat convection of the housing 100, so that the heat-conducting pad and the heat sink for conducting the heat generated by the light-emitting source 220 to the housing 100 are omitted, the thermal resistance in the heat transfer process is reduced, and the heat-dissipating; in addition, the parts and assembly steps of the camera are reduced, thereby reducing the assembly cost.

Further, as an embodiment of the present invention, as shown in fig. 3 and 4, a plurality of first heat dissipation portions 211 are disposed on the heat conducting substrate 210, so as to better conduct the heat generated by the light emitting source 220 to the housing 100 by disposing the plurality of first heat dissipation portions 211. In this embodiment, three first heat sink portions 211 are disposed on the heat conducting substrate 210, and of course, one, two, or more than four first heat sink portions 211 may be disposed on the heat conducting substrate 210 according to the selection and specific requirements of the actual situation, which is not limited herein.

Further, as an embodiment of the present invention, the heat conducting substrate 210 includes a metal base layer (not shown), an insulating layer (not shown) disposed on one side of the metal base layer, and a copper foil layer (not shown) disposed on one side of the insulating layer away from the metal base layer, and the light emitting source 220 is disposed on the copper foil layer. Under the structure, the heat generated by the light source 220 reaches the housing 100 after being conducted by the copper foil layer, the insulating layer and the metal base layer in sequence, and does not need to pass through other media, thereby reducing the thermal resistance in the heat transfer process and effectively improving the heat dissipation effect. It is understood that the specific structure of the heat conducting substrate 210 may be modified as appropriate according to the choice of actual conditions and specific requirements, and is not limited thereto.

As an optional implementation manner of the present invention, the metal base layer is an aluminum alloy layer or a copper alloy layer, the aluminum alloy layer and the copper alloy layer have good thermal conductivity, and the heat dissipation effect of the thermal conductive substrate 210 can be effectively improved.

Further, as a specific embodiment of the present invention, the light source 220 includes at least one of a white light lamp and an infrared lamp, when the light source 220 includes the white light lamp, the light source is convenient to illuminate in a dark environment, and the lens of the lens plate 300 is ensured to capture a clear image; when the light emission source 220 includes an infrared lamp, the camera may be made to have a night vision function so that the lens of the lens plate 300 takes an image in the dark.

Further, as a specific embodiment of the present invention, as shown in fig. 2 and fig. 6, the housing 100 includes a casing 110 and a cover 120 assembled on the casing 110, the cover 120 can be assembled on the casing 110 by screws, the casing 110 and the cover 120 enclose and form the accommodating cavity 130, the lamp panel 200, the lens panel 300 and the control motherboard 400 are sequentially arranged along the assembling direction of the cover 120 and the casing 110, the lamp panel 200 and the lens panel 300 are fixedly connected on the cover 120, and the control motherboard 400 is fixedly connected on the casing 110. The structure of the housing 100 is simple, in the assembling process, the lamp panel 200 and the lens panel 300 can be fixedly connected to the cover 120, the control main board 400 is fixedly connected to the casing 110, and then the cover 120 and the casing 110 are assembled to complete the assembly of the camera, so that the operation is simple. In this embodiment, the lamp panel 200 and the lens panel 300 may be, but are not limited to, fixed on the cover 120 by screws, and the control main board 400 may be, but is not limited to, fixed on the housing 110 by screws.

Further, as a specific embodiment of the present invention, as shown in fig. 2 and fig. 6, the cover 120 and the housing 110 may be but not limited to be hermetically connected by a sealing ring 140, so that the accommodating chamber 130 forms a sealed cavity, which can protect components inside the accommodating chamber 130 from erosion of moisture or gas, and effectively improve the service life of the camera.

Further, as a specific embodiment of the present invention, as shown in fig. 2, the camera further includes a pyroelectric infrared sensor 500 disposed in the accommodating cavity 130 and electrically connected to the control main board 400, and the pyroelectric infrared sensor 500 is used for detecting whether there is an organism approaching. With this structure, when the pyroelectric infrared sensor 500 detects that a living being approaches, the control main board 400 may control the lens of the lens board 300 to take a picture; when the pyroelectric infrared sensor 500 does not detect that a living being approaches, the lens of the lens plate 300 enters a sleep mode, so that the purpose of saving energy consumption can be achieved.

Further, as a specific embodiment of the present invention, as shown in fig. 2, fig. 7, fig. 8 and fig. 9, the camera further includes a heat dissipation member 600 disposed in the accommodating chamber 130, the control main board 400 is disposed on the heat dissipation member 600, the heat dissipation member 600 is disposed on the inner wall of the accommodating chamber 130, the heat dissipation member 600 is used for conducting the heat of the control main board 400 to the housing 100, and the heat dissipation performance of the camera can be further improved. In this embodiment, heat sink 600 is disposed on a side of control motherboard 400 away from lens board 300 or lamp panel 200, control motherboard 400 is fixed on heat sink 600, and heat sink 600 is fixed on housing 110.

As an optional implementation manner of the present invention, the heat sink 600 may be an aluminum alloy component or a copper alloy component, the manufacturing process of the heat sink 600 may not be limited to metal plate or die casting, the aluminum alloy and the copper alloy have good thermal conductivity, and the thermal conductivity of the heat sink 600 may be effectively improved, and of course, according to the selection and the specific requirement of the actual situation, the material of the heat sink 600 may be modified appropriately, which is not limited herein.

Further, as an embodiment of the present invention, with reference to fig. 6, 7 and 9, the heat dissipation member 600 includes a second heat dissipation member 610, a third heat dissipation member 620 and a fourth heat dissipation member 630, one end of the second heat dissipation member 610 is connected to one end of the third heat dissipation member 620, and a groove 650 is formed between the second heat dissipation member 610 and the third heat dissipation member 620; the other end of the third heat sink part 620 is connected to one end of the fourth heat sink part 630, and the other end of the fourth heat sink part 630 protrudes into the groove 650, so that the fourth heat sink part 630 and the second heat sink part 610 are oppositely disposed; the control main board 400 is disposed on a side of the second heat dissipation portion 610 away from the fourth heat dissipation portion 630, and the third heat dissipation portion 620 is attached to an inner wall of the accommodating cavity 130. With this structure, on the one hand, heat generated by the control main board 400 can be conducted to the third heat sink member 620 through the second heat sink member 610 and reach the housing 100; on the other hand, the fourth heat dissipation portion 630 may absorb heat in the recess 650, and conduct the absorbed heat to the third heat dissipation portion 620 and reach the housing 100, and the housing 100 dissipates the heat to the surrounding air environment through thermal radiation and thermal convection, thereby effectively improving the heat dissipation effect. In this embodiment, the control main board 400 may be, but is not limited to, fixed to the second heat sink member 610 by screws.

Further, as a specific embodiment of the present invention, as shown in fig. 2, the camera further includes a first thermal pad 710 disposed between the control main board 400 and the heat sink 600, and the first thermal pad 710 is used for conducting the heat of the control main board 400 to the heat sink 600, so as to effectively improve the heat dissipation efficiency between the control main board 400 and the heat sink 600. In this embodiment, the first thermal pad 710 is sandwiched between the control main board 400 and the second heat sink member 610.

Further, as an embodiment of the present invention, with reference to fig. 6 and 7, a positioning groove 611 is disposed on the second heat sink portion 610, and the first heat conducting pad 710 is partially embedded in the positioning groove 611. Under this structure, through setting up constant head tank 611 to the first heat conduction pad 710 of location assembly effectively improves assembly efficiency.

Further, as a specific embodiment of the present invention, as shown in fig. 2, the camera further includes a second thermal pad 720 disposed between the heat sink 600 and the inner wall of the accommodating cavity 130, the second thermal pad 720 is used for conducting the heat of the heat sink 600 to the housing 100, so as to effectively improve the heat dissipation efficiency between the heat sink 600 and the housing 100. In this embodiment, the second thermal pad 720 is sandwiched between the third heat sink member 620 and the inner wall of the receiving cavity 130.

As an optional embodiment of the present invention, the first thermal pad 710 and the second thermal pad 720 can be made of materials with higher thermal conductivity such as silicone, which is beneficial to improving the thermal conductivity of the first thermal pad 710 and the second thermal pad 720, and of course, according to the selection and the specific requirement of the actual situation, the main components of the first thermal pad 710 and the second thermal pad 720 can be modified properly, which is not limited herein.

Further, as a specific embodiment of the present invention, as shown in fig. 2, the camera further includes a speaker 800 disposed in the accommodating cavity 130 and electrically connected to the control main board 400, and the speaker 800 is used for sending a prompt. Under this structure, when pyroelectric infrared sensor 500 detects someone and is close to, control mainboard 400 can control loudspeaker 800 and send the suggestion that has got into the video recording region to the people, and meanwhile, control mainboard 400 can control the camera lens of lens board 300 and shoot. In this embodiment, the fourth heat dissipation portion 630 is bent towards a direction away from the second heat dissipation portion 610 to form a fixing portion 640, and the speaker 800 is fixed on the fixing portion 640, so that the space of the heat dissipation member 600 can be fully utilized, the internal structure of the camera is compact, and the miniaturization design of the camera is facilitated.

Further, as an embodiment of the present invention, as shown in fig. 7, the fourth heat dissipation portion 630 is provided with a reinforcing plate rib 631, which can improve the structural strength of the heat dissipation member 600. In this embodiment, the fourth heat dissipating portion 630 is symmetrically provided with two reinforcing ribs 631, and of course, the number of the reinforcing ribs 631 on the fourth heat dissipating portion 630 can be properly adjusted according to the selection and specific requirements of the actual situation, and is not limited herein.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a camera, its characterized in that, includes shell, lamp plate, lens plate and control mainboard, the shell is equipped with the holding chamber, the lamp plate the lens plate with the control mainboard is all located the holding intracavity, the lamp plate with lens plate electric connection respectively in the control mainboard, the lamp plate includes the heat conduction base plate and locates light emitting source on the heat conduction base plate, the heat conduction base plate partial bending type become the laminating set up in the first radiating part of the inner wall in holding chamber.

2. The camera of claim 1, wherein a plurality of first heat sink portions are provided on the thermally conductive substrate.

3. The camera of claim 1, wherein the thermally conductive substrate comprises a metal base layer, an insulating layer disposed on a side of the metal base layer, and a copper foil layer disposed on a side of the insulating layer facing away from the metal base layer, the light-emitting source being disposed on the copper foil layer.

4. The camera of claim 3, wherein the metal base layer is an aluminum alloy layer or a copper alloy layer.

5. The camera of claim 1, wherein the light emitting source comprises at least one of a white light lamp and an infrared lamp.

6. The camera of claim 1, further comprising a pyroelectric infrared sensor disposed in the accommodating cavity and electrically connected to the control motherboard, wherein the pyroelectric infrared sensor is configured to detect whether a living being is approaching.

7. The camera according to any one of claims 1 to 6, further comprising a heat dissipating member disposed in the accommodating chamber, wherein the control main board is disposed on the heat dissipating member, and the heat dissipating member is disposed on an inner wall of the accommodating chamber, and is configured to conduct heat of the control main board to the housing.

8. The camera of claim 7, further comprising a first thermal pad interposed between the control motherboard and the heat sink, the first thermal pad for conducting heat from the control motherboard to the heat sink.

9. The camera of claim 7, further comprising a second thermal pad interposed between the heat sink and an inner wall of the receiving cavity, the second thermal pad for conducting heat from the heat sink to the housing.

10. The camera according to any one of claims 1 to 6, wherein the housing includes a casing and a cover assembled to the casing, the casing and the cover enclose the accommodation cavity, the lamp panel, the lens panel and the control motherboard are sequentially disposed along an assembly direction of the cover and the casing, the lamp panel and the lens panel are fixedly connected to the cover, and the control motherboard is fixedly connected to the casing.