CN220732889U - Closed type camera device - Google Patents

Abstract

The present utility model relates to an image pickup apparatus, and more particularly, to a closed type image pickup device. The camera device comprises a closed shell and at least one condenser, wherein the condenser comprises a refrigerating sheet and a conducting base, the refrigerating sheet is fixed on one surface of the conducting base facing the inside of the shell, the conducting base is fixed on the wall body of the shell through insert injection molding and insert embedding, and the surface of the conducting base on the outer side of the shell is provided with external fins. The utility model discloses a fixed at least one condenser of casing wall mold insert realizes inside and outside heat exchange, has realized the inside heat dissipation cooling of seal structure, and the mold insert is moulded plastics simultaneously and can be let and form reliable sealing connection between condenser and the casing wall, has guaranteed the complete leakproofness of casing, and seal structure is simplified simultaneously, therefore the sealing performance of structure can be guaranteed to the camera device of the utility model, has also realized heat exchange simultaneously, can reduce inside temperature, is favorable to product stability in use, has widened camera device's application scene, can use under water etc. for example.

Description

Closed type camera device

Technical Field

The present utility model relates to an image pickup apparatus, and more particularly, to a closed type image pickup device.

Background

The camera is video input equipment and is widely applied to video conferences, telemedicine, real-time monitoring and the like. The inside of the camera is provided with a plurality of electronic elements, a large amount of heat can be emitted during working, if the heat is accumulated all the time and is not discharged and taken away, the inside temperature of the camera is easily overhigh, the normal working of the camera is influenced, and the service life of the camera is influenced. Common camera structures may be configured with fans to exchange heat to reduce the internal temperature of the camera. However, in some working scenarios, such as underwater use scenarios or scenarios with more dust, the camera head needs to keep a structural seal, and cannot use a fan to exchange heat, which needs to be improved.

Disclosure of Invention

The object of the present utility model is to overcome the above drawbacks of the prior art and to provide a closed camera device which ensures both sealing and heat exchange.

In order to achieve the above object, according to an aspect of the present utility model, there is provided a closed type camera device, including a closed type housing and at least one condenser, wherein the condenser includes a cooling sheet and a conductive base, the cooling sheet is fixed on a surface of the conductive base facing the interior of the housing, the conductive base is fixed on a wall of the housing by insert molding and insert molding, and the conductive base is provided with external fins on a surface of an outer side of the housing.

Compared with the prior art, the utility model has the beneficial effects that: the heat exchange between the inside and the outside is realized by fixing at least one condenser through injection molding of the wall body insert of the shell, so that the heat dissipation and the temperature reduction inside the sealing structure are realized, meanwhile, the insert injection molding can ensure the reliable sealing connection between the condenser and the wall body of the shell, and the complete sealing property of the shell is ensured, and meanwhile, the sealing structure is simplified.

The foregoing description is only an overview of the present utility model, and is intended to be more clearly understood as being carried out in accordance with the following description of the preferred embodiments, as well as other objects, features and advantages of the present utility model.

Drawings

Fig. 1 is an assembled perspective view of the image pickup apparatus of the present utility model.

Fig. 2 is an exploded view of the image pickup apparatus of the present utility model.

Fig. 3 is a cross-sectional view of the image pickup apparatus of the present utility model.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and the detailed description, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

An embodiment of the present utility model is a closed type image pickup apparatus, and its specific structure is shown in fig. 1 to 3.

As shown in fig. 1 and 2, the image pickup apparatus includes a hermetic case 10 and a condenser 20. The condenser 20 comprises a refrigerating plate 21 and a conducting base 22, wherein the refrigerating plate 21 is fixed on one surface of the conducting base 22 facing the inside of the shell 10, and the refrigerating plate 21 can adopt a TEC refrigerating plate. The housing 10 is injection molded of plastic material, and the conductive base 22 is secured to the wall of the housing 10 by insert molding. Insert injection molding is a conventional injection molding technique, and can form reliable sealing connection between the condenser 20 and the wall body of the shell 10, and heat exchange and cooling inside the closed shell 10 are realized while good sealing performance is obtained by a relatively simple sealing structure.

As shown in fig. 1 and 2, the conductive base 22 is provided with external fins 221 on the surface outside the casing 10, the cooling plate 21 can reduce the internal temperature of the casing 10 during cooling, and the heat generated by the cooling plate 21 is dissipated to the outside of the image pickup device through the external fins 221 of the conductive base 22, so that the internal and external heat exchange of the image pickup device is realized. Furthermore, on the side of the conductive base 22 facing the inside of the housing 10, there are also inner fins 222, between which the cooling fins 21 are located. In addition, a temperature sensor 23 is provided on the surface of the cooling plate 21 for detecting the temperature of the surface of the cooling plate 21.

Only one condenser 20 is shown in fig. 1 and 2, and the number of condensers 20 is not limited. In other embodiments, more than one condenser may be provided, such as two condensers, each of which is provided in both side walls of the housing; or three condensers are arranged, two condensers are arranged in two side wall bodies of the shell, and the third condenser is arranged in the top wall body of the shell.

In some embodiments, as shown in connection with fig. 2 and 3, the housing 10 is divided into a front housing 11 and a rear housing 12, and the front housing 11 and the rear housing 12 are fixedly connected to each other and form a sealed inner cavity. The sealing ring strip 13 is clamped at the joint of the front shell 11 and the rear shell 12, screws (not shown) penetrating from the 4 inner corners of the front shell 11 penetrate through the sealing ring strip 13 and then are respectively screwed into corresponding threaded holes 121 of the rear shell 12, the front shell 11 and the rear shell 12 can be fixedly connected after the screws are screwed, the front shell 11 and the rear shell 12 clamp the middle sealing ring strip 13, and effective sealing of the joint of the front shell 11 and the rear shell 13 is achieved. In addition, as shown in fig. 2 and 3, the sealing ring strip 13 is provided with a positioning strip 131 facing the closed loop of the front shell 11, and the positioning strip 131 is correspondingly inserted into a positioning groove 110 on the end face of the front shell 11, so that the sealing ring strip 13 is conveniently positioned during assembly, and gaps are avoided due to the error/deviation of the position of the sealing ring strip 13, and the sealing failure is caused.

In some embodiments, as shown in fig. 2 and 3, a one-way exhaust valve 30 is provided through the lower wall of the rear shell 12 of the housing 10. The unidirectional exhaust valve 30 is used for exhausting high-pressure gas generated by high temperature inside the shell 10, so that the situation that the air pressure inside the shell 10 is too high, and external liquid or gas cannot enter the shell 10 from the unidirectional exhaust valve 30 is avoided, and the sealing inside the shell 10 is ensured. In addition, as shown in fig. 2 and 3, a pressure spring 31 is sleeved on the part of the unidirectional exhaust valve 30 penetrating into the shell 10, the upper end of the pressure spring 31 and the top plate 301 of the unidirectional exhaust valve 30 are mutually propped and fixed, and the lower end of the pressure spring 31 is propped against the inner wall surface of the shell 10, so that the restoring force of the pressure spring 31 pushes the end 302 of the unidirectional exhaust valve 30 to be tightly attached to the lower outer wall of the rear shell 12 of the shell 10, thereby realizing the sealing between the unidirectional exhaust valve 30 and the lower wall of the rear shell 12. And to enhance the seal therein, a sealant may also be filled between the one-way vent valve 30 and the lower outer wall of the rear housing 12.

Furthermore, in some embodiments, as shown in FIG. 3, tip 302 of one-way vent valve 30, which is located outside of housing 10, is surrounded by protective barrel 122, with the height of protective barrel 122 not less than the height of tip 302. The protection cylinder 122 can improve the protection force to the end 302 of the one-way exhaust valve 30 to a certain extent, and avoid damaging the end 302 of the one-way exhaust valve 30 in the transportation or use process. In other embodiments, more than one-way vent valve may be provided, such as adding a one-way vent valve to the top wall of the rear housing.

Furthermore, in some embodiments, as shown in fig. 3, a nut post 40 is secured to the wall below the rear housing 12, the nut post 40 being used to screw in screws on some external platforms/devices to secure the camera device to these platforms/devices. The nut post 40 can be embedded and fixed in the wall body below the rear shell 12 in an insert injection molding mode, so that the sealing between the nut post 40 and the wall body of the rear shell 12 can be ensured.

In some embodiments, as shown in fig. 3, a light-transmitting sheet 14 is disposed at the front opening of the housing 10, and the light-transmitting sheet 14 is fixedly connected with the inner wall of the front opening of the housing 10 through sealant, so that the light-transmitting sheet 14 is sealed with the inner wall of the front opening of the housing 10. In addition, a heating strip 15 is sandwiched between the light-transmitting sheet 14 and the inner wall of the front opening of the housing 10, and the heating strip 15 is used for heating the light-transmitting sheet 14 to achieve the purpose of demisting when the light-transmitting sheet 14 is demisted. The heating strip 15 is electrically connected with a main control circuit board (not shown) of the camera device, and the working condition of the heating strip 15 is controlled by the main control circuit board. The specific circuit structure and principle of the camera/camera device in which the main control circuit board controls the heating strip to work are all known conventional technologies, and are not described herein.

In some embodiments, as shown in fig. 3, the rear end plate 123 of the rear shell 12 of the housing 10 is provided with a wire hole 124, and the wire hole 124 is penetrated by a wire harness 50, and the interior of the wire harness 50 may be a power wire or a combination of a power wire and a data wire. As shown in fig. 3, the wire hole 124 is peripherally provided with an inner cylinder 126 and an outer cylinder 125, and the wire hole 124 is coaxial with the inner cylinder 126 and the outer cylinder 125, the inner cylinder 126 being provided on the inward side of the rear end plate 123, and the outer cylinder 125 being provided on the outward side of the rear end plate 123. And 8 through holes 127 are uniformly formed around the wire hole 124, and the through holes 127 are communicated with the inner cylinder 126 and the outer cylinder 125. The wire harness 50 is externally fitted with a wire plug 60, and the wire plug 60 is inserted into the inner cylinder 126. In addition, as shown in FIG. 3, the wire plug 60 is divided into an inner section 61 inserted into the inner cylinder 126 and an end cap ring 62 disposed outside the inner cylinder 126, the inner section 61 being a tight fit with the inner cylinder 126, the end cap ring 62 having an outer diameter larger than an inner diameter of the opening of the inner cylinder 126. When the wire harness 50 is assembled, the wire harness 50 passes through the wire hole 124 and the wire plug 60 is inserted into the inner cylinder 126, then the sealant is filled into the outer cylinder 125, the sealant flows into the inner cylinder 126 from the sealant through hole 127, the inner cylinder 126 and the outer cylinder 125 are finally filled with the sealant, the wire harness 50 and the wire plug 60 are fixed on the rear end plate 123 after the sealant is solidified, the sealing between the wire harness 50 and the wire hole 124 is ensured, and the wire harness 50 is not easy to loosen relative to the wire hole 124.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms should not be understood as necessarily being directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, one skilled in the art can combine and combine the different embodiments or examples described in this specification.

The foregoing examples are provided to further illustrate the technical contents of the present utility model for the convenience of the reader, but are not intended to limit the embodiments of the present utility model thereto, and any technical extension or re-creation according to the present utility model is protected by the present utility model. The protection scope of the utility model is subject to the claims.

Claims (10)

1. The utility model provides a closed camera device, its characterized in that includes closed casing and at least one condenser, the condenser includes refrigeration piece and conduction base, the refrigeration piece is fixed on the one side of conduction base towards the casing inside, the conduction base is inlayed and is fixed on the wall of casing through the mold insert, the conduction base is equipped with outside fin on the surface in the casing outside.

2. The sealed camera device according to claim 1, wherein a light-transmitting sheet is provided at the front opening of the housing, and the light-transmitting sheet is fixedly connected with the inner wall of the front opening of the housing by a sealant.

3. The sealed image pickup apparatus according to claim 2, wherein a heat generating strip is interposed between the light transmitting sheet and an inner wall of the opening at the front end of the housing.

4. The sealed type image pickup apparatus according to claim 1, wherein a rear end plate of the housing is provided with a wire hole through which a wire harness is passed; the periphery of the wire hole is provided with an inner cylinder and an outer cylinder, the wire hole is coaxial with the inner cylinder and the outer cylinder, the inner cylinder is arranged on the inward side of the rear end plate, and the outer cylinder is arranged on the outward side of the rear end plate; at least one through glue hole is arranged around the wire hole, and the through glue hole is communicated with the inner cylinder and the outer cylinder; the wire harness is externally sleeved with a wire plug, the wire plug is inserted into the inner cylinder, and the inner cylinder and the outer cylinder are internally filled with sealant.

5. The sealed camera device as claimed in claim 4, wherein the wire plug is divided into an inner section inserted into the inner cylinder and an end cap ring disposed outside the inner cylinder, the inner section being a tight fit with the inner cylinder, and the end cap ring having an outer diameter larger than an inner diameter of the opening of the inner cylinder.

6. The sealed image pickup apparatus according to claim 1, wherein the wall of the housing is penetrated by at least one-way exhaust valve for exhausting the high-pressure gas inside.

7. The sealed camera device according to claim 6, wherein a part of the one-way exhaust valve penetrating into the housing is sleeved with a compression spring, one end of the compression spring is relatively fixed with the one-way exhaust valve, and the other end of the compression spring abuts against the inner wall surface of the housing.

8. The sealed type image pickup apparatus according to claim 6, wherein an end of the one-way exhaust valve located outside the housing is surrounded by a protective cylinder, and the protective cylinder has a height not smaller than the height of the end.

9. The sealed camera device according to any one of claims 1 to 8, wherein the housing is divided into a front housing and a rear housing, the front housing and the rear housing are fixedly connected to each other and form a sealed inner cavity, and a sealing ring strip is clamped at a joint of the front housing and the rear housing.

10. The enclosed camera device of any one of claims 1-8, wherein the conductive base is further provided with internal fins on a side facing the inside of the housing, and the cooling fin is located between the internal fins.