CN219960737U - Video camera - Google Patents

Abstract

The utility model discloses a camera, and belongs to the technical field of monitoring equipment. The camera comprises a camera, a heat dissipation shell, a battery module and a first phase-change structural member, wherein the camera, the battery module and the first phase-change structural member are arranged in the heat dissipation shell, the camera is electrically connected with the battery module, and the first phase-change structural member is in heat conduction connection with the heat dissipation shell. So set up, first phase change structure has higher coefficient of heat conductivity to have constant temperature characteristic, when battery module is higher at the temperature of charging or discharging in-process, first phase change structure can in time absorb battery module's heat, makes battery module's temperature keep in suitable range, avoids battery module's temperature too high and influences charge efficiency and discharge duration, guarantees the working property of product, is favorable to improving the reliability of product, promotes user experience and feels.

Description

Video camera

Technical Field

The utility model belongs to the technical field of monitoring equipment, and particularly relates to a camera.

Background

At present, cameras on the market are affected by factors such as power consumption, structure, cost, working environment and the like, when charging or discharging is performed under high-temperature conditions, the problems that the temperature rise of a chip exceeds a standard and the temperature of a shell is higher exist, the normal working performance of the cameras is affected, and the use experience of a user is reduced.

Specifically, the charging temperature range of the lithium battery is 0-45 ℃, when the battery module is charged in a high-temperature environment, the temperature of the battery module is easy to exceed the upper limit of the charging temperature (namely 45 ℃), and the over-temperature protection function is easy to trigger, so that the time period from the battery module to full charge is increased, and the reliability and the user experience of a product are affected; the discharge temperature range of the lithium battery is-40 ℃ to 60 ℃, when the battery module discharges in a high-temperature environment, the temperature of the battery module is easy to exceed the upper limit of the discharge temperature (namely 60 ℃), so that the capacity of the battery module is greatly attenuated, even thermal runaway can be caused, if an over-temperature protection function is triggered in the discharge process, the conditions of reducing working power such as automatic shutdown and the like can also occur, and the working performance of a camera is influenced.

Therefore, when the battery module is charged or discharged under the high-temperature condition, the use reliability of the video camera can be affected due to the fact that the temperature of the battery module is too high, and the use experience of a user is reduced.

Disclosure of Invention

The embodiment of the utility model aims to provide a camera, which can solve the problem of lower use reliability of the camera in the charging and discharging processes in the related technology.

The embodiment of the utility model provides a camera, which comprises a camera, a heat dissipation shell, a battery module and a first phase change structural member, wherein the camera, the battery module and the first phase change structural member are arranged in the heat dissipation shell, the camera is electrically connected with the battery module, and the first phase change structural member is in heat conduction connection with the heat dissipation shell.

In the embodiment of the utility model, the first phase-change structural member is additionally arranged in the heat dissipation shell, has higher heat conduction coefficient and constant temperature characteristic, and can absorb heat of the battery module in time when the temperature of the battery module is higher in the charging or discharging process, so that the temperature of the battery module is kept in a proper range, and the first phase-change structural member is in heat conduction connection with the battery module, so that the temperature of the battery module can be kept in a proper temperature range for a long time, the overhigh temperature of the battery module is avoided, the charging efficiency of the battery module is improved in the charging process, and the charging duration is shortened; the discharge time can be effectively prolonged during discharge, the great attenuation of the battery capacity is avoided, the problems of thermal runaway and the like can be avoided, the working performance of the product is ensured, the reliability of the product is improved, and the user experience is improved.

Drawings

FIG. 1 is a cross-sectional view of a camera disclosed in an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of the camera of FIG. 1 taken along line A-A;

FIG. 3 is an exploded view of a camera according to an embodiment of the present utility model;

FIG. 4 is an exploded view of a camera disclosed in another embodiment of the present utility model;

FIG. 5 is a schematic view of a part of the structure of a camera according to an embodiment of the present utility model;

FIG. 6 is a schematic diagram of a first phase change structure according to an embodiment of the present utility model;

FIG. 7 is a schematic view of a second phase change structure according to an embodiment of the present utility model;

fig. 8 is a schematic structural view of a heat dissipating inner shell according to another embodiment of the present utility model.

Reference numerals illustrate:

100-heat dissipation shell, 110-heat dissipation inner shell, 120-heat dissipation outer shell, 121-main shell part, 122-heat dissipation cover plate, 130-second strip-shaped protrusion,

200-camera,

300-battery module,

400-first phase-change structural member, 410-first strip-shaped slot,

500-heat conducting shell, 510-heat conducting main shell, 520-heat conducting cover plate, 530-first strip-shaped bulge,

600-an actuating mechanism,

700-second phase change structural member, 710-second strip-shaped slot,

810-circuit board, 811-electronic device, 820-heat-dissipating plate, 821-first heat-dissipating portion, 822-second heat-dissipating portion,

910-first heat conducting member, 920-second heat conducting member.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which are obtained by a person skilled in the art based on the embodiments of the present utility model, fall within the scope of protection of the present utility model.

The terms first, second and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present utility model may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type, and are not limited to the number of objects, such as the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

The camera provided by the embodiment of the utility model is described in detail below through specific embodiments and application scenes thereof with reference to the accompanying drawings.

Referring to fig. 1 to 8, the video camera disclosed in the embodiment of the utility model includes a camera 200, a heat dissipation housing 100, a battery module 300, and a first phase change structural member 400, wherein the heat dissipation housing 100 is used as a mounting base of the camera 200, the battery module 300, and the first phase change structural member 400, the battery module 300 is used for supplying power to the camera 200, the first phase change structural member 400 is used for transferring heat of the battery module 300 to the heat dissipation housing 100, and the heat dissipation housing 100 dissipates heat.

The camera 200, the battery module 300 and the first phase change structural member 400 are all disposed in the heat dissipation housing 100, the camera 200 is electrically connected with the battery module 300, and the first phase change structural member 400 is thermally connected with the heat dissipation housing 100. Alternatively, the first phase change structural member 400 may be in direct contact with the heat dissipation housing 100 to achieve heat conduction connection, or may be in heat conduction connection with the heat dissipation housing 100 through other heat conduction structures. The first phase-change structural member 400 may be a structure with phase-change performance, such as a temperature equalizing plate, a heat pipe, a phase-change liquid material, etc., and the first phase-change structural member 400 has a higher thermal conductivity and a constant temperature characteristic.

In the embodiment of the utility model, when the temperature of the battery module 300 is higher in the charging or discharging process, the first phase change structural member 400 can timely absorb the heat of the battery module 300, so that the temperature of the battery module 300 is kept in a proper range, and therefore, the first phase change structural member 400 is in heat conduction connection with the battery module 300, so that the temperature of the battery module 300 can be kept in a proper temperature range for a long time, the temperature of the battery module 300 is prevented from being too high, the charging efficiency of the battery module 300 is improved in charging, and the charging time is shortened; the discharge time can be effectively prolonged during discharge, the great attenuation of the battery capacity is avoided, the problems of thermal runaway and the like can be avoided, the working performance of the product is ensured, the reliability of the product is improved, and the user experience is improved.

In an alternative embodiment, first phase change structure 400 is in thermally conductive connection with a portion of battery module 300, i.e., first phase change structure 400 is opposite a portion of battery module 300. Alternatively, the first phase change structure 400 may have a block structure; alternatively, the first phase change structural member 400 is a bar-shaped structure, and the first phase change structural member 400 extends in a direction surrounding the battery module 300. Further alternatively, the first phase change structural member 400 may have a ring-shaped structure, and the first phase change structural member 400 is disposed around the battery module 300.

In another embodiment, referring to fig. 1 and 2, a first phase change structure 400 is disposed around the battery module 300, i.e., the first phase change structure 400 surrounds the entire battery module 300, and each location of the battery module 300 is thermally coupled to the battery module 300. By adopting the embodiment, the area of the heat conducting connection between the first phase-change structural member 400 and the battery module 300 is increased, and the heat at any position of the battery module 300 can be transferred to the heat dissipation housing 100 through the first phase-change structural member 400, so that the heat conducting efficiency between the battery module 300 and the first phase-change structural member 400 is improved, the heat of the battery module 300 can be conveniently and rapidly transferred to the first phase-change structural member 400, and the rapid heat dissipation of the battery module 300 is facilitated.

Optionally, the phase transition temperature of the first phase transition structure 400 is 30 ℃ to 45 ℃, so that the temperature of the battery module 300 does not exceed 45 ℃, and the temperature of the battery module 300 is prevented from reaching the upper charging temperature limit and the upper discharging temperature limit.

In an alternative embodiment, the first phase change structural member 400 is in direct contact with the heat dissipation housing 100, so that the first phase change structural member 400 is in heat conduction connection with the heat dissipation housing 100 through air.

In another embodiment, the camera further includes a heat conducting shell 500, the heat conducting shell 500 may be a metal shell or other shell with a heat conducting effect, the heat conducting shell 500 is disposed in the heat dissipating shell 100, the battery module 300 is disposed in the heat conducting shell 500, a first gap is disposed between the battery module 300 and the heat conducting shell 500, the first phase change structural member 400 is disposed in the first gap, and the heat conducting shell 500 is in heat conducting connection with the first phase change structural member 400 and the heat dissipating shell 100 respectively. Optionally, the first phase change structure 400 is a phase change liquid, and the phase change liquid is filled in the first gap.

By adopting the embodiment, the first phase-change structural member 400 and the heat dissipation shell 100 are in heat conduction connection through the heat conduction shell 500, so that the heat conduction coefficient between the first phase-change structural member 400 and the heat dissipation shell 100 is increased, the heat conduction efficiency is improved, and the heat dissipation effect of the battery module 300 is improved; in addition, the heat conduction shell 500 wraps the first phase change structural member 400, so that the heat of the battery module 300 absorbed by each position of the first phase change structural member 400 can be transferred to the heat dissipation shell 100 through the heat conduction shell 500, and the heat dissipation effect is further improved.

In an alternative embodiment, referring to fig. 1 and 2, a plurality of first strip-shaped protrusions 530 are disposed on an inner wall surface of the heat conductive shell 500 at intervals, and the first strip-shaped protrusions 530 are of a heat conductive structure, alternatively, the plurality of first strip-shaped protrusions 530 may be disposed in parallel, may be disposed in a crossing manner, or may be distributed in a honeycomb shape; the first bar-shaped protrusion 530 and the heat conductive shell 500 may be in an integral structure or a split structure; as shown in fig. 6, the first phase change structural member 400 is provided with a plurality of first strip-shaped grooves 410 at intervals, the first strip-shaped protrusions 530 are in one-to-one correspondence with the first strip-shaped grooves 410, each first strip-shaped protrusion 530 extends into a corresponding first strip-shaped groove 410, and the first strip-shaped protrusions 530 are matched with the first strip-shaped grooves 410. Alternatively, the heat conductive case 500 and the battery module 300 are both of a cubic structure, the heat conductive case 500 includes a plurality of case walls opposite to the battery module 300, and each case wall of the heat conductive case 500 is provided with a first bar-shaped protrusion 530.

By adopting the embodiment, by arranging the first strip-shaped protrusion 530, the area of the heat conduction connection between the heat conduction shell 500 and the first phase-change structural member 400 is increased, which is beneficial to improving the heat conduction efficiency between the first phase-change structural member 400 and the heat conduction shell 500, facilitating the heat dissipation of the first phase-change structural member 400 as soon as possible and improving the heat dissipation effect; moreover, the space between the heat conductive shell 500 and the battery module 300 is divided into a plurality of first accommodating cavities by the plurality of first strip-shaped protrusions 530, and each first accommodating cavity is internally provided with the first phase change structural member 400, so that the first phase change structural member 400 can be limited by the first strip-shaped protrusions 530 to avoid large-scale overflow in the phase change (from solid phase to liquid) process of the first phase change structural member 400, and the first phase change structural member 400 is prevented from flowing to one side of the battery module 300 to cause the local heat dissipation effect to be poor, and the first phase change structural member 400 is ensured to be continuously connected with each position of the battery module 300 in a heat conduction way.

Optionally, a gap is provided between the first bar-shaped protrusion 530 and the surface of the battery module 300, that is, the first bar-shaped protrusion 530 is not directly contacted with the battery module 300, and the first phase change structural members 400 located in the respective first cavities are integrally connected. In this manner, the phase change liquid is conveniently poured into the first gap between the battery module 300 and the heat conductive case 500, and the phase change liquid can directly flow and fill each first cavity to form the first phase change structural member 400.

Alternatively, referring to fig. 1, 3 and 4, the heat conductive case 500 includes a heat conductive main case 510 and a heat conductive cover plate 520, the heat conductive main case 510 is provided with a first opening, the battery module 300 may extend into the heat conductive main case 510 from the first opening, the heat conductive cover plate 520 is disposed at the first opening to close the first opening, first gaps are formed between the battery module 300 and the heat conductive main case 510 and between the battery module 300 and the heat conductive cover plate 520, and the heat conductive main case 510 and the heat conductive cover plate 520 are provided with first bar-shaped protrusions 530, and first phase change structural members 400 are disposed between the battery module 300 and the heat conductive main case 510 and between the battery module 300 and the heat conductive cover plate 520.

Of course, in other embodiments, in the case that the first phase change structural member 400 is a temperature equalizing plate or the like, the temperature equalizing plate will not overflow (i.e. change volume) in a large range during the heat absorption process, and the heat conduction shell 500 may not be provided with the first strip-shaped protrusion 530, and the first phase change structural member 400 may not be provided with the first strip-shaped slot 410.

In an alternative embodiment, the outer wall surface of the heat conductive shell 500 may be in direct heat conductive connection with the inner wall surface of the heat dissipation shell 100, which may be in direct contact.

In another embodiment, referring to fig. 1, 3 and 4, the camera further includes an actuating mechanism 600, the actuating mechanism 600 is disposed in the heat dissipation housing 100, and the actuating mechanism 600 is located between the heat conduction housing 500 and the heat dissipation housing 100, the actuating mechanism 600 is a heat conduction structure, and optionally, the thermal conductivity coefficient of the actuating mechanism 600 is greater than 3; the operating mechanism 600 is switchable between a first operating state and a second operating state. When the operation mechanism 600 is in the first operation state, the heat-conducting shell 500 is in heat-conducting connection with the heat-dissipating shell 100 through the operation mechanism 600, and at this time, the heat-dissipating shell 100 dissipates heat of the battery module 300 through the first phase-change structural member 400 and the heat-conducting shell 500; when the operation mechanism 600 is in the second operation state, the heat-conducting case 500 is disconnected from the heat-dissipating case 100 by the operation mechanism 600, and at this time, the heat-dissipating case 100 cannot dissipate heat from the battery module 300, and the battery module 300 is in a heat-insulating state.

With the embodiment, when the camera is charged or discharged under a high temperature condition, in order to avoid the excessive temperature of the battery module 300, the actuating mechanism 600 can be in the first actuating state, and the heat conducting shell 500 is in heat conducting connection with the heat radiating shell 100 through the actuating mechanism 600, so that the battery module 300 can conveniently radiate heat as soon as possible, the heat radiating effect is ensured, and the problem that the use reliability of the camera is reduced due to the excessive temperature of the battery module 300 during charging or discharging is avoided; when the ambient temperature of the camera is lower, the actuating mechanism 600 is in the second actuating state, the heat conduction connection between the heat conduction shell 500 and the heat dissipation shell 100 is disconnected, the heat dissipation of the battery module 300 is slower, and meanwhile, the first phase change structural member 400 can also store heat and preserve heat of the battery module 300, so that the influence on the working performance of the battery module 300 due to the excessively low temperature is avoided.

In an alternative embodiment, the actuation mechanism 600 may be placed in the first actuation state or the second actuation state by manually controlling the actuation mechanism 600. Alternatively, the actuating mechanism 600 may include a driving source and a rotating member, where the driving source may be a driving member that provides rotational power for a motor, a pneumatic motor, etc., the driving source may drive the rotating member to rotate, two ends of the rotating member are respectively provided with a heat conducting structure, and in the case that the driving source drives the rotating member to rotate to the first position, the heat conducting structures at two ends of the rotating member are respectively in contact with the heat conducting shell 500 and the heat dissipation shell 100, which indicates that the actuating mechanism 600 is in the first actuating state; when the driving source drives the rotating member to rotate to the second position, the heat conducting structures at both ends of the rotating member are separated from the heat conducting shell 500 and the heat dissipating shell 100, respectively, which means that the actuating mechanism 600 is in the second actuating state. In this way, the user needs to control the driving source according to different scenes.

In another embodiment, the actuation mechanism 600 includes a temperature-dependent deformable element. Optionally, the temperature-induced deformation element may be a thermal expansion and contraction structure, and the specific structure of the thermal expansion and contraction structure is not limited in the embodiment of the present utility model, where the temperature-induced deformation element is disposed between the heat conducting shell 500 and the heat dissipating shell 100, when the environmental temperature where the temperature-induced deformation element is located is higher, the temperature-induced deformation element is heated and expanded, and the volume is increased, so that the temperature-induced deformation element contacts with the heat conducting shell 500 and the heat dissipating shell 100, and at this moment, the actuating mechanism 600 is in a first actuating state, and the heat conducting shell 500 is in heat conducting connection with the heat dissipating shell 100 through the temperature-induced deformation element, so that the battery module 300 dissipates heat as soon as possible; when the temperature of the temperature-induced deformation element is lower, the temperature-induced deformation element is cooled and contracted, the volume is reduced, so that the temperature-induced deformation element is separated from the heat conduction shell 500 and the heat dissipation shell 100, at this time, the action mechanism 600 is in a second action state, the heat conduction shell 500 is disconnected from the heat dissipation shell 100, the heat conduction efficiency is reduced, the heat dissipation of the battery module 300 is slower, and meanwhile, the first phase change structural member 400 stores heat and keeps warm for the battery module 300.

With the embodiment, the operation mechanism 600 does not need to be controlled by a user, and the operation mechanism 600 automatically operates according to the environmental temperature to switch to the first operation state and the second operation state, so that the applicability of the video camera is stronger.

In an alternative embodiment, the video camera further comprises a second phase change structure 700, the second phase change structure 700 is disposed within the heat dissipating housing 100, the second phase change structure 700 is thermally conductively connected to the heat dissipating housing 100, and the second phase change structure 700 is thermally conductively connected to the first phase change structure 400. Alternatively, the second phase change structural member 700 may be in direct contact with the inner wall surface of the heat dissipation housing 100 to achieve heat conduction connection, or may be in heat conduction connection with the heat dissipation housing 100 through other heat conduction structures. The second phase-change structural member 700 may be a structure with phase-change performance, such as a temperature equalizing plate, a heat pipe, a phase-change liquid material, etc., and the second phase-change structural member 700 has a high thermal conductivity and a constant temperature characteristic.

By adopting the embodiment, the second phase-change structural member 700 can absorb and store heat under the condition of maintaining the temperature of the second phase-change structural member, so that the heat dissipation shell 100 can be maintained in a temperature range with low temperature or comfortable hand feeling in a short period, and even if the camera intermittently works, the heat dissipation shell 100 can be maintained in an adaptive temperature range, thereby being beneficial to improving the user experience.

Alternatively, the phase transition temperature of the second phase transition structure 700 may be 40 ℃ to 60 ℃. Therefore, the temperature of the heat dissipation shell 100 does not exceed 60 ℃, discomfort caused by overhigh temperature can not be caused when the hands of a user touch the heat dissipation shell 100, and the user experience is improved.

Of course, in other embodiments, the camera may not be provided with the second phase change structure 700, and the first phase change structure 400 is directly connected to the heat dissipation housing 100 in a heat conduction manner, and the two may be directly contacted.

In an alternative embodiment, the heat dissipation case 100 includes a heat dissipation inner case 110 and a heat dissipation outer case 120, the heat dissipation inner case 110 is disposed in the heat dissipation outer case 120, the camera 200, the first phase change structural member 400 and the battery module 300 are all disposed in the heat dissipation inner case 110, and the first phase change structural member 400 is in heat conduction connection with the heat dissipation inner case 110, optionally, the first phase change structural member 400 is in heat conduction connection with the heat dissipation inner case 110 through the heat conduction case 500; the second phase change structural member 700 is disposed between the heat dissipation inner shell 110 and the heat dissipation outer shell 120, and the second phase change structural member 700 is respectively in heat conduction connection with the heat dissipation inner shell 110 and the heat dissipation outer shell 120. Alternatively, the heat conductive case 500 may be thermally connected to the heat dissipation inner case 110 through the actuating mechanism 600; a second gap is disposed between the heat dissipation inner shell 110 and the heat dissipation outer shell 120, the second phase change structural member 700 is disposed in the second gap, and the second phase change structural member 700 may be a phase change liquid, and the phase change liquid is directly filled in the second gap.

By adopting the embodiment, the arrangement space of the second phase change structural member 700 is limited by the heat dissipation inner shell 110 and the heat dissipation outer shell 120, so that the second phase change structural member 700 is ensured to be full of the second gap, the heat conduction connection between the second phase change structural member 700 and each position of the heat dissipation outer shell 120 is facilitated, the second phase change structural member 700 can absorb heat and insulate heat at each position of the heat dissipation outer shell 120, and the temperature of each position of the heat dissipation outer shell 120 is ensured to be maintained in a proper temperature range; in addition, the heat conductivity coefficient of the heat dissipation inner shell 110 is higher, and the heat of the battery module 300 is spread in advance by utilizing the heat dissipation inner shell 110, so that the heat is transferred to the second phase change structural member 700 more uniformly, and the heat is dissipated through the heat dissipation outer shell 120, thereby being beneficial to improving the heat dissipation effect.

Alternatively, the heat dissipation inner shell 110 may be a metal shell, which has good thermal diffusivity and uniform temperature effect, and can spread the heat of the battery module 300, and transfer the heat to the second phase change structural member 700 relatively uniformly, so as to facilitate improving the heat dissipation effect; the heat dissipation case 120 may be a metal case or a plastic case.

Of course, in other embodiments, in the case where the second phase-change structural member 700 may be a temperature equalizing plate or the like, the temperature equalizing plate will not overflow widely during the heat absorption process, and the heat dissipation housing 100 may only include the heat dissipation outer housing 120, without the heat dissipation inner housing 110, and the second phase-change structural member 700 is directly contacted with the inner wall surface of the heat dissipation outer housing 120.

In an alternative embodiment, referring to fig. 2 to 4 and fig. 7 to 8, a plurality of second bar-shaped protrusions 130 are disposed on the outer wall surface of the heat dissipation inner case 110 or the inner wall surface of the heat dissipation outer case 120 at intervals, and the second bar-shaped protrusions 130 are of a heat conductive structure. Moreover, the second phase change structural member 700 is provided with a plurality of second strip-shaped grooves 710 at intervals, the second strip-shaped protrusions 130 are in one-to-one correspondence with the second strip-shaped grooves 710, and each second strip-shaped protrusion 130 extends into the corresponding second strip-shaped groove 710. Alternatively, as shown in fig. 4, in the case that the outer wall surface of the heat dissipation inner shell 110 is provided with the second strip-shaped protrusion 130, the inner wall surface of the second phase change structural member 700 is provided with the second strip-shaped slot 710, and the heat dissipation inner shell 110 and the second strip-shaped protrusion 130 may be in an integral structure or a split structure; as shown in fig. 3, when the second strip-shaped protrusion 130 is provided on the inner wall surface of the heat dissipation case 120, the second strip-shaped groove 710 is provided on the outer wall surface of the second phase change structural member 700, and the heat dissipation case 120 and the second strip-shaped protrusion 130 may be in an integral structure or a split structure.

By adopting the present embodiment, by providing the second bar-shaped protrusion 130, the area of the heat-conducting connection between the heat-dissipating inner shell 110 or the heat-dissipating outer shell 120 and the first phase-change structural member 400 is increased, which is beneficial to improving the heat-conducting efficiency between the second phase-change structural member 700 and the heat-dissipating shell 100.

Specifically, in the case that the heat-dissipating inner case 110 is matched with the second phase-change structural member 700 through the second bar-shaped protrusion 130 and the second bar-shaped groove 710, the heat conduction efficiency between the second phase-change structural member 700 and the heat-dissipating inner case 110 is improved, which is beneficial to the heat-dissipating inner case 110 to transfer the heat of the battery module 300 to the second phase-change structural member 700 as soon as possible, and thus, rapid heat dissipation is achieved; under the condition that the heat dissipation shell 120 is matched with the second phase change structural member 700 through the second strip-shaped protrusion 130 and the second strip-shaped groove 710, the heat conduction efficiency between the second phase change structural member 700 and the heat dissipation shell 120 is improved, and the second phase change structural member 700 rapidly absorbs and stores heat of the heat dissipation shell 120, so that the temperature of the heat dissipation shell 120 is maintained in an application range, and the user experience is improved.

Moreover, the space between the heat dissipation inner shell 110 and the heat dissipation outer shell 120 is divided into a plurality of second accommodating cavities by the plurality of second strip-shaped protrusions 130, and each second accommodating cavity is internally provided with a second phase change structural member 700, so that the second phase change structural member 700 can be limited by the second strip-shaped protrusions 130 to avoid large-scale overflow in the phase change process of the second phase change structural member 700 (from solid phase change to liquid), and the second phase change structural member 700 is prevented from flowing to one side of the heat dissipation shell 100 to cause the local heat dissipation effect to be poor, so that the second phase change structural member 700 is ensured to be continuously connected with each position of the heat dissipation shell 100 in a heat conduction way.

Optionally, in the case that the heat dissipation inner case 110 is provided with the second strip-shaped protrusions 130, a gap is provided between the second strip-shaped protrusions 130 and the heat dissipation outer case 120, that is, the second strip-shaped protrusions 130 are not in direct contact with the heat dissipation outer case 120, and the second phase change structural members 700 located in the respective second cavities are connected as a whole; similarly, in the case where the heat dissipation outer case 120 is provided with the second bar-shaped protrusion 130, a gap is provided between the second bar-shaped protrusion 130 and the heat dissipation inner case 110, that is, the second bar-shaped protrusion 130 is not directly contacted with the heat dissipation inner case 120, and the second phase change structural members 700 located in the respective second cavities are connected as a unit. In this way, the phase-change liquid is conveniently poured into the second gap between the heat dissipation inner shell 110 and the heat dissipation outer shell 120, and the phase-change liquid can directly flow and fill each second cavity to form the second phase-change structural member 700.

In an alternative embodiment, referring to fig. 1, 3 and 4, the heat dissipation case 120 includes a main case portion 121 and a heat dissipation cover plate 122, the main case portion 121 is provided with a second opening, the heat dissipation case 110 and the components inside thereof are disposed inside the main case portion 121, a second gap is disposed between the heat dissipation case 110 and the main case portion 121, a second phase change structural member 700 is disposed between the heat dissipation case 110 and the main case portion 121, and the heat dissipation cover plate 122 is disposed at the second opening to close the first opening. Alternatively, the inner wall surface of the main housing portion 121 is provided with a second bar-shaped protrusion 130.

In an alternative embodiment, second phase change structure 700 is in thermally conductive connection with a portion of heat dissipating inner shell 110 and a portion of heat dissipating outer shell 120, respectively, i.e., second phase change structure 700 is opposite a portion of heat dissipating inner shell 110, while second phase change structure 700 is opposite a portion of heat dissipating outer shell 120. Alternatively, the second phase change structure 700 may be a block structure; alternatively, the second phase change structural member 700 has a strip-like structure, and the second phase change structural member 700 extends in a direction surrounding the heat dissipation inner case 110. Further alternatively, the second phase change structure 700 may be an annular structure, and the second phase change structure 700 is disposed around the heat dissipation inner case 110.

In another embodiment, the second phase change structural member 700 is disposed around the heat dissipation inner shell 110, that is, the second phase change structural member 700 wraps the entire heat dissipation inner shell 110, each position of the heat dissipation inner shell 110 is respectively in heat conduction connection with the second phase change structural member 700, each position of the heat dissipation outer shell 120 is respectively in heat conduction connection with the second phase change structural member 700, the area of the heat conduction connection between the second phase change structural member 700 and the heat dissipation inner shell 110 is increased, and the area of the heat conduction connection between the second phase change structural member 700 and the heat dissipation outer shell 120 is increased.

With the present embodiment, the area of the heat-conducting connection between the second phase-change structural member 700 and the heat dissipation housing 100 is increased, and the heat of the battery module 300 can be transferred to the second phase-change structural member 700 through each position of the heat dissipation inner housing 110, so that the second phase-change structural member 700 transfers heat to each position of the heat dissipation outer housing 120, thereby realizing rapid heat dissipation; in addition, the second phase-change structural member 700 can absorb and store heat at each position of the heat dissipation housing 120, so that the whole heat dissipation housing 100 can be quickly maintained in a temperature range with low temperature or comfortable hand feeling, and the user experience is improved.

In the embodiment of the present utility model, the video camera further includes a circuit board 810 and a heat dissipation plate 820, where the circuit board 810 and the heat dissipation plate 820 are both disposed in the heat dissipation housing 100, and the circuit board 810 is electrically connected with the video camera 200 and the battery module 300, so that the battery module 300 not only supplies power to the video camera 200, but also supplies power to other electronic devices 811 through the circuit board 810, so that the other electronic devices 811 work normally, and the function of the video camera is beneficial to be extended. Further, the circuit board 810 is thermally connected to the heat dissipation case 100 through the heat dissipation plate 820. Alternatively, as shown in fig. 1 and 3, the heat dissipating plate 820 may be a metal plate, or other materials with good heat dissipating performance may be used; the heat dissipation plate 820 includes a first heat dissipation portion 821 and a second heat dissipation portion 822 that are connected by bending, the first heat dissipation portion 821 and the second heat dissipation portion 822 are both plate-shaped structures, the first heat dissipation portion 821 is thermally connected with the circuit board 810, and the second heat dissipation portion 822 is thermally connected with the heat dissipation housing 100.

By adopting the embodiment, the heat dissipation plate 820 has good heat conduction performance, and the circuit board 810 and the heat dissipation shell 100 are in heat conduction connection through the heat dissipation plate 820, so that the heat conduction coefficient between the circuit board 810 and the heat dissipation shell 100 is increased, the heat conduction efficiency is improved, and the heat dissipation effect of the circuit board 810 is improved.

Of course, in other embodiments, the camera may not be provided with the heat dissipation plate 820, and the circuit board 810 may be directly connected to the heat dissipation housing 100 by heat conduction through air, so as to dissipate heat from the circuit board 810.

In an alternative embodiment, circuit board 810 is in direct contact with heat sink 820 to achieve a thermally conductive connection.

In another embodiment, referring to fig. 1, 3 and 5, the video camera further includes a first heat conductive member 910, the first heat conductive member 910 is disposed between the heat dissipation plate 820 and the circuit board 810, and the circuit board 810 is thermally connected to the heat dissipation plate 820 through the first heat conductive member 910. Alternatively, the circuit board 810 is thermally connected to the first heat sink 821 through the first thermal conductive member 910. By adopting the embodiment, compared with air, the first heat conduction member 910 has a larger heat conduction coefficient, so that the circuit board 810 and the heat dissipation plate 820 are in heat conduction connection through the first heat conduction member 910, the heat of the circuit board 810 can be ensured to be quickly transferred to the heat dissipation plate 820 through the first heat conduction member 910, the heat conduction efficiency is improved, and the heat dissipation effect is improved.

Optionally, the circuit board 810 is provided with an electronic device 811, and the electronic device 811 generates heat when operated, and the first heat conductive member 910 is opposite to the electronic device 811, so that the heat generated by the electronic device 811 is accurately transferred to the heat dissipation plate 820. The electronic device 811 may be a central processing unit chip.

In an alternative embodiment, the heat sink plate 820 is in direct contact with the heat sink housing 100 for a thermally conductive connection.

In another embodiment, referring to fig. 1 and 3-4, the camera further includes a second heat conducting member 920, where the second heat conducting member 920 is disposed between the heat dissipating plate 820 and the heat dissipating housing 100, and the heat dissipating plate 820 is thermally connected to the heat dissipating housing 100 through the second heat conducting member 920. Alternatively, the second heat dissipating part 822 is thermally connected to the heat dissipating inner case 110 through the second heat conducting member 920. By adopting the embodiment, compared with air, the second heat conducting piece 920 has larger heat conducting coefficient, so that the heat dissipation plate 820 is in heat conducting connection with the heat dissipation shell 100 through the second heat conducting piece 920, the heat of the heat dissipation plate 820 is ensured to be quickly transferred to the heat dissipation shell 100 through the second heat conducting piece 920, the heat conducting efficiency is improved, and the heat dissipation effect is improved.

In an alternative embodiment, at least one of the first heat conductive member 910 and the second heat conductive member 920 is a heat conductive pad. In another embodiment, at least one of the first and second heat conductive members 910 and 920 is a heat conductive gel. In this way, in the case that the gap between the circuit board 810 and the heat dissipation plate 820 is smaller than the gap between the heat dissipation plate 820 and the heat dissipation housing 100, the heat conduction pad cannot extend into the gap between the circuit board 810 and the heat dissipation plate 820 or the gap between the heat dissipation plate 820 and the heat dissipation housing 100, and the heat conduction connection is conveniently realized by pouring the heat conduction gel, so that the heat conduction resistance can be reduced, and the heat dissipation effect is improved.

The embodiments of the present utility model have been described above with reference to the accompanying drawings, but the present utility model is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present utility model and the scope of the claims, which are to be protected by the present utility model.

Claims (13)

1. The utility model provides a camera, its characterized in that includes camera (200), heat dissipation casing (100), battery module (300) and first phase change structure (400), camera (200) battery module (300) with first phase change structure (400) all set up in heat dissipation casing (100), camera (200) with battery module (300) electricity is connected, just first phase change structure (400) with heat dissipation casing (100) heat conduction is connected.

2. The camera of claim 1, wherein the first phase change structure (400) is disposed around the battery module (300).

3. The camera of claim 1, further comprising a thermally conductive shell (500), the thermally conductive shell (500) being disposed in the heat dissipating shell (100), the battery module (300) being disposed in the thermally conductive shell (500), a first gap being provided between the battery module (300) and the thermally conductive shell (500), the first phase change structure (400) being disposed in the first gap, and the thermally conductive shell (500) being in thermally conductive connection with the first phase change structure (400) and the heat dissipating shell (100), respectively.

4. A camera according to claim 3, wherein a plurality of first strip-shaped protrusions (530) are disposed on an inner wall surface of the heat conducting shell (500) at intervals, the first strip-shaped protrusions (530) are of a heat conducting structure, a plurality of first strip-shaped grooves (410) are disposed on the first phase-change structural member (400) at intervals, the first strip-shaped protrusions (530) are in one-to-one correspondence with the first strip-shaped grooves (410), and each first strip-shaped protrusion (530) extends into the corresponding first strip-shaped groove (410) respectively.

5. The camera of claim 3, further comprising an actuating mechanism (600), the actuating mechanism (600) being disposed within the heat dissipating housing (100) and the actuating mechanism (600) being located between the heat conducting shell (500) and the heat dissipating housing (100), the actuating mechanism (600) being a heat conducting structure, the actuating mechanism (600) being switchable between a first actuating state and a second actuating state,

when the actuating mechanism (600) is in the first actuating state, the heat-conducting shell (500) is in heat-conducting connection with the heat-dissipating shell (100) through the actuating mechanism (600);

when the actuating mechanism (600) is in the second actuating state, the heat-conducting shell (500) is disconnected from the heat-dissipating shell (100) by the actuating mechanism (600).

6. The camera of claim 5, wherein the action mechanism (600) comprises a temperature-induced deformation element.

7. The camera of claim 1, further comprising a second phase change structure (700), the second phase change structure (700) being disposed within the heat dissipating housing (100), the second phase change structure (700) being in thermally conductive connection with the heat dissipating housing (100), and the second phase change structure (700) being in thermally conductive connection with the first phase change structure (400).

8. The camera of claim 7, wherein the heat dissipating housing (100) comprises a heat dissipating inner housing (110) and a heat dissipating outer housing (120), the heat dissipating inner housing (110) is disposed in the heat dissipating outer housing (120), the camera head (200), the first phase change structural member (400), and the battery module (300) are disposed in the heat dissipating inner housing (110), and the first phase change structural member (400) is thermally connected with the heat dissipating inner housing (110), the second phase change structural member (700) is disposed between the heat dissipating inner housing (110) and the heat dissipating outer housing (120), and the second phase change structural member (700) is thermally connected with the heat dissipating inner housing (110) and the heat dissipating outer housing (120), respectively.

9. The camera according to claim 8, wherein a plurality of second strip-shaped protrusions (130) are disposed on an outer wall surface of the heat dissipation inner shell (110) or an inner wall surface of the heat dissipation outer shell (120) at intervals, the second strip-shaped protrusions (130) are of a heat conducting structure, a plurality of second strip-shaped grooves (710) are disposed on the second phase-change structural member (700) at intervals, the second strip-shaped protrusions (130) are in one-to-one correspondence with the second strip-shaped grooves (710), and each second strip-shaped protrusion (130) extends into the corresponding second strip-shaped groove (710).

10. The camera of claim 8, wherein the second phase change structure (700) is disposed around the heat dissipating inner shell (110).

11. The camera of claim 1, further comprising a circuit board (810) and a heat sink (820), the circuit board (810) and the heat sink (820) are disposed within the heat dissipation housing (100), the circuit board (810) is electrically connected to the camera head (200) and the battery module (300), respectively, and the circuit board (810) is thermally connected to the heat dissipation housing (100) through the heat sink (820).

12. The camera of claim 11, further comprising a first thermally conductive member (910), the first thermally conductive member (910) being disposed between the heat spreader plate (820) and the circuit board (810), the circuit board (810) being thermally conductive connected to the heat spreader plate (820) by the first thermally conductive member (910);

and/or, the camera further comprises a second heat conduction piece (920), the second heat conduction piece (920) is arranged between the heat dissipation plate (820) and the heat dissipation shell (100), and the heat dissipation plate (820) is in heat conduction connection with the heat dissipation shell (100) through the second heat conduction piece (920).

13. The camera of claim 12, wherein at least one of the first thermally conductive member (910) and the second thermally conductive member (920) is a thermally conductive gel.