CN218002707U - A binocular pan-tilt device for thermal imager and visible light - Google Patents

Abstract

The application discloses a binocular head device for a thermal imager and visible light, wherein a cavity is mounted on a support frame, the cavity can rotate around a horizontal shaft in a vertical plane to realize pitching, and a visible light module and an infrared camera are mounted on the cavity; the horizontal direction mechanism is arranged on the rack and positioned outside the cavity and used for driving the support frame to rotate to realize lateral navigation; the vertical direction mechanism is arranged in the cavity and is positioned in the cavity, and the vertical direction mechanism is used for driving the cavity to rotate to realize pitching; the visible light module and the infrared camera are positioned in the cavity and are arranged in a vertical direction in an isolated manner; on the vertical axis that the support frame surrounds: the rack and the support frame are provided with hollow wire outlet cavities, one ends of the wire outlet cavities are led into the cavity, and wire outlet covers are arranged at the other ends of the wire outlet cavities. The binocular tripod head device for the thermal imager and the visible light is simple in structure and tight in arrangement, heat dissipation is achieved through isolation, and the infrared thermal imaging precision of the infrared camera is prevented from being affected by a large amount of heat dissipation of the visible light module.

Description

A binocular pan-tilt device for thermal imager and visible light

technical field

The present application relates to the technical field of pan-tilt cameras, in particular to a binocular pan-tilt device for thermal imaging cameras and visible light.

Background technique

Ordinary surveillance cameras can only monitor one type of data. When it is necessary to monitor two types of data, temperature and visible light, if the method of multi-panel is adopted-the structure is redundant and repeated; if the method of single-panel is adopted-visible light heat dissipation interferes with the infrared module , and the field of view angles of the two are different, so it is not easy to unify the monitoring range.

The particularity of infrared thermal imaging: Infrared thermal imaging technology has applications in both military and civilian areas. It originated from military use and gradually turned to civilian use. In civilian use, it is generally called a thermal imager and is mainly used in research and development or industrial testing and equipment maintenance. , It is also widely used in fire protection, night vision and security. Generally speaking, a thermal imager converts the invisible infrared energy emitted by an object into a visible thermal image. Different colors on the thermal image represent different temperatures of the measured object. However, the viewing range of the current thermal imager has certain limitations, so it is necessary to use a pan/tilt to increase the viewing range of the thermal imager. Since the thermal imager is a measuring device, it is greatly affected by the ambient temperature, so its structure has certain particularity. The pan/tilt in the prior art is either large in volume or small in load, which cannot meet the special structure of the thermal imager.

Utility model content

The purpose of this application is to provide a binocular pan-tilt device for thermal imaging cameras and visible light, which has a simple structure and compact arrangement, and realizes heat dissipation through isolation, so as to avoid a large amount of heat dissipation of the visible light module from affecting the infrared thermal imaging accuracy of the infrared camera.

In order to achieve the above purpose, the present application provides a binocular pan-tilt device for thermal imager and visible light, including:

rack; and

a support frame, installed on the frame, the support frame can rotate in the horizontal plane around a vertical axis to realize side navigation; and

The cavity is installed on the support frame, the cavity can rotate around the horizontal axis in the vertical plane to achieve pitching, and the cavity is equipped with a visible light module and an infrared camera; and

a horizontal mechanism, installed on the frame and outside the cavity, the horizontal mechanism is used to drive the support frame to rotate to achieve side navigation; and

a vertical mechanism installed in the cavity and located inside the cavity, the vertical mechanism is used to drive the cavity to rotate to achieve pitching;

Wherein, the visible light module and the infrared camera are located inside the cavity and are vertically isolated; on the vertical axis surrounded by the support frame: the frame and the support frame are provided with hollow outlets One end of the outlet cavity is connected to the interior of the cavity, and the other end of the outlet cavity is provided with an outlet cover.

In some embodiments, the horizontal mechanism includes:

a horizontally rotating motor mount fixed to said frame; and

a horizontal rotation motor mounted on the horizontal rotation motor base; and

The horizontal transmission assembly is used to make the horizontal rotation motor drive the support frame to rotate to realize side navigation.

In some embodiments, the horizontal transmission assembly includes:

a horizontal drive gear connected to the output shaft of said horizontal rotation motor; and

The horizontal cylindrical gear meshes with the horizontal driving gear, the horizontal cylindrical gear is connected with the support frame, and the support frame is rotatably assembled with the frame through a bearing.

In some embodiments, the horizontal direction mechanism also includes:

a horizontal limiting piece fixed to the horizontal cylindrical gear, and the horizontal limiting piece rotates together with the horizontal cylindrical gear; and

The horizontal rotation limit switch is fixed on the frame, and the horizontal limit piece is used to limit the horizontal rotation limit switch.

In some embodiments, the vertical orientation mechanism includes:

a vertical rotation motor mount fixed to the cavity; and

a vertical rotation motor mounted on said vertical rotation motor base; and

The vertical transmission assembly is used to make the vertical rotation motor drive the cavity to rotate to achieve pitching.

In some embodiments, the vertical transmission assembly includes a synchronous belt, and the synchronous belt is used to make the vertical rotation motor drive the cavity to rotate to achieve pitching.

In some embodiments, the vertical transmission assembly includes a vertical cylindrical gear driven by the vertical rotation motor, and the vertical cylindrical gear is connected with the cavity.

In some embodiments, the vertical direction mechanism also includes:

a vertical limiting piece fixed to the vertical cylindrical gear, and the vertical limiting piece rotates together with the vertical cylindrical gear; and

The vertical rotation limit switch is fixed on the support frame, and the vertical limit piece is used to limit the vertical rotation limit switch.

In some embodiments, the cavity includes a left dome cover and a right dome cover designed with a metal shell; a heat insulation partition is arranged between the visible light module and the infrared camera; There are heat sinks.

In some embodiments, the connection between the frame and the support frame and the connection between the support frame and the cavity realizes a reciprocating seal through a lip seal.

With respect to the above-mentioned background technology, the binocular pan-tilt device for thermal imaging camera and visible light provided by the application includes a frame, a support frame, a cavity, a horizontal mechanism and a vertical mechanism; the support frame is installed on the frame, and the cavity The body is installed on the support frame, and the cavity is equipped with a visible light module and an infrared camera. The visible light module and the infrared camera are located inside the cavity and are isolated in the vertical direction; the horizontal mechanism is installed on the rack and outside the cavity, and the vertical direction The mechanism is mounted on and inside the cavity.

The binocular pan/tilt device for thermal imager and visible light drives the support frame through the horizontal direction mechanism, and the support frame rotates around the vertical axis in the horizontal plane to realize side navigation; through the vertical direction mechanism, the cavity body is driven, and the cavity body rotates in the vertical direction around the horizontal axis. In-plane rotation achieves pitch. The binocular pan/tilt device for thermal imaging cameras and visible light has a simple structure and is tightly arranged, and heat dissipation is realized through isolation to avoid a large amount of heat dissipation of the visible light module from affecting the infrared thermal imaging accuracy of the infrared camera; on the vertical axis surrounded by the support frame : The frame and support frame are equipped with a hollow outlet cavity, one end of the outlet cavity is connected to the inside of the cavity, and the other end of the outlet cavity is provided with an outlet cover. Through the hollow design, the twisting of the wire is reduced, and the wiring is more reasonable. Under the premise of increasing the life of the wire.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only It is an embodiment of the present application, and those skilled in the art can also obtain other drawings according to the provided drawings without creative work.

Fig. 1 is an axonometric view of a binocular pan-tilt device for a thermal imager and visible light provided in an embodiment of the present application;

Fig. 2 is a front view of a binocular pan-tilt device for a thermal imager and visible light provided in an embodiment of the present application;

Fig. 3 is A-A schematic diagram of Fig. 2;

FIG. 4 is a schematic diagram of B-B in FIG. 2 .

in:

1-frame, 2-support frame, 3-cavity, 4-horizontal mechanism, 5-vertical mechanism, 6-visible light module, 7-infrared camera, 11-outlet cover, 21-outlet cavity, 22- Top, 23-ears, 31-left dome cover, 32-right dome cover, 33-heat sink, 41-horizontal rotation motor seat, 42-horizontal rotation motor, 43-horizontal transmission assembly, 44-horizontal limit plate, 45-horizontal rotation limit switch, 54-vertical limit plate, 55-vertical rotation limit switch, 431-horizontal cylindrical gear, 531-vertical cylindrical gear.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

In order to enable those skilled in the art to better understand the solution of the present application, the present application will be further described in detail below in conjunction with the drawings and specific embodiments.

Please refer to Figures 1 to 4, wherein Figure 1 is an axonometric view of a binocular pan-tilt device for thermal imaging cameras and visible light provided by an embodiment of the present application, and Figure 2 is an axonometric view of a binocular pan-tilt device for thermal imaging provided by an embodiment of this application. The front view of the binocular pan-tilt device with instrument and visible light, Fig. 3 is a schematic diagram of A-A in Fig. 2, and Fig. 4 is a schematic diagram of B-B in Fig. 2.

In the first specific embodiment, the application provides a binocular pan-tilt device for thermal imaging cameras and visible light, which mainly includes a frame 1, a support frame 2, a cavity 3, a horizontal mechanism 4 and a vertical Direction mechanism5.

Among them, the rack 1 is used to support the whole system, and can be fixed on any equipment or place that needs the device through the rack 1 .

The support frame 2 is installed on the frame 1, the cavity 3 is installed on the support frame 2, the cavity 3 is installed with a visible light module 6 and an infrared camera 7, and the visible light module 6 and the infrared camera 7 are located inside the cavity 3 and in the vertical direction The isolation setting prevents the large amount of heat dissipation of the visible light module 6 from affecting the infrared thermal imaging accuracy of the infrared camera 7 .

The horizontal direction mechanism 4 is installed on the frame 1 and is located outside the cavity body 3, and the vertical direction mechanism 5 is installed on the cavity body 3 and positioned inside the cavity body 3; when the frame 1 is fixed, the vertical direction mechanism 5 rotates with the cavity body 3, The space is effectively used and the size of the pan/tilt is reduced.

When in use, the binocular pan-tilt device for thermal imaging cameras and visible light drives the support frame 2 through the horizontal mechanism 4, and the support frame 2 rotates around the vertical axis in the horizontal plane to realize side navigation, that is, left and right rotation; through the vertical direction mechanism 5 Drive the chamber body 3, and the chamber body 3 rotates around the horizontal axis in the vertical plane to realize pitching, that is, turning up and down.

Under the action of the horizontal direction mechanism 4 and the vertical direction mechanism 5, the binocular pan-tilt device for thermal imaging cameras and visible light can rotate in all directions left and right and up and down, which improves the monitoring range of the visible light module 6 and the infrared camera 7 .

The binocular pan-tilt device for thermal imager and visible light has a simple structure and is closely arranged, and heat dissipation is realized through isolation, so as to prevent the large amount of heat dissipation of the visible light module 6 from affecting the infrared thermal imaging accuracy of the infrared camera 7 .

In addition, the position where the support frame 2 is connected to the frame 1 adopts a hollow shaft design, that is, in the direction of the vertical axis around which the support frame 2 rotates: the frame 1 and the support frame 2 are provided with a hollow outlet cavity 21, and the outgoing line The downward end of cavity 21 leads into the inside of cavity 3 , and the upward end of outlet cavity 21 is provided with outlet cover 11 ;

When the binocular pan-tilt device for thermal imager and visible light rotates left and right, the support frame 2 rotates around the vertical axis, and the wires in the outlet cavity 21 will not be twisted with the rotation of the support frame 2, which makes the wiring easier Under the reasonable premise, increase the life of the wire.

In some embodiments, the horizontal mechanism 4 includes a horizontal rotation motor base 41 , a horizontal rotation motor 42 and a horizontal transmission assembly 43 .

In this embodiment, the horizontal rotation motor base 41 is fixed on the frame 1 , so as to achieve the purpose of connecting the horizontal direction mechanism 4 to the frame 1 . Specifically, the horizontal rotation motor base 41 is fixed on the upper side of the frame 1 through screw connection, and oppositely, the supporting frame 2 is located on the lower side of the frame 1 . The shell of the horizontal rotation motor 42 is connected with the horizontal rotation motor base 41 by screws. The horizontal rotation motor 42 can be a stepper motor. After the horizontal rotation motor 42 is installed on the horizontal rotation motor base 41, its output shaft is connected to the horizontal transmission assembly 43, and the horizontal transmission assembly 43 is connected to the support frame 2 again, and then reaches the horizontal direction mechanism 4. The purpose of driving the support frame 2.

It should be noted that there are various forms of the horizontal transmission assembly 43, such as gear transmission, belt transmission, etc., which should also belong to the description scope of this embodiment.

Exemplarily, in an embodiment where the horizontal transmission assembly 43 adopts gear transmission, the horizontal transmission assembly 43 includes a horizontal driving gear and a horizontal spur gear 431 .

In this embodiment, the horizontal drive gear is connected to the horizontal rotation motor 42, and the horizontal cylindrical gear 431 is connected to the support frame 2. Through the engagement of the horizontal drive gear and the horizontal cylindrical gear 431, the horizontal rotation motor 42 drives the support frame 2. . Specifically, the horizontal drive gear is connected to the output shaft of the horizontal rotation motor 42, and the horizontal rotation motor 42 drives the horizontal drive gear to rotate, while the horizontal drive gear meshes with the horizontal cylindrical gear 431, and the horizontal cylindrical gear 431 is connected with the support frame 2, and then The horizontal cylindrical gear 431 drives the support frame 2 to rotate.

It should be noted that, in order to facilitate the driving of the support frame 2 by the horizontal mechanism 4, the support frame 2 is rotatably assembled with the frame 1. Exemplarily, the support frame 2 is rotatably assembled to the frame 1 through a bearing, and the bearing is specifically a deep groove ball Bearings, deep groove ball bearings are set in two pairs.

Further, a limiting component is also provided on the horizontal mechanism 4 to limit the angle of left and right rotation within a reasonable range.

Exemplarily, the limit component is in the form of a limit plate and a travel switch. Touching the limit switch can stop the motor from rotating, which is to prevent the rotation angle from exceeding the set angle from the two aspects of mechanical structure and control signal, so as to improve the control accuracy. Specifically, the horizontal limiting piece 44 is fixed to the horizontal cylindrical gear 431 , and the horizontal rotation limit switch 45 is fixed to the frame 1 .

When in use, the horizontal limit piece 44 fixed on the horizontal cylindrical gear 431 can rotate together with the horizontal cylindrical gear 431, and after a certain angle of rotation, the horizontal rotation travel switch 45 contacts it, and the horizontal rotation travel switch 45 triggers to make the horizontal rotation Motor 42 stops rotating.

In some embodiments, the vertical mechanism 5 includes a vertical rotation motor base, a vertical rotation motor and a vertical transmission assembly.

In this embodiment, the vertical rotation motor base is fixed inside the cavity 3, the vertical rotation motor is mounted on the vertical rotation motor base, and the vertical transmission assembly is used to drive the vertical rotation motor to rotate the cavity 3 to achieve pitching.

It should be noted that the principles of the vertical mechanism 5 and the horizontal mechanism 4 in this embodiment are basically similar, and the description of the horizontal mechanism 4 can be referred to to understand the vertical mechanism 5, which will not be repeated here; in addition, the two The differences are: 1. The motors of different mechanisms are arranged differently, so as to achieve different driving effects. Specifically, the horizontal mechanism 4 corresponds to the YAW axis, and the vertical mechanism 5 corresponds to the PITCH axis; 2. The vertical mechanism 5 is located in the cavity Inside the body 3, that is, the vertical rotation motor is installed on the inside. At this time, the vertical rotation motor, the visible light module 6 and the infrared camera 7 are placed together inside the cavity 3 to save space and make the arrangement more compact.

It should be noted that the vertical transmission assembly can also have various forms, such as gear transmission, belt transmission, etc., which should also belong to the description scope of this embodiment.

Exemplarily, the vertical transmission assembly includes a synchronous belt, and the synchronous belt is used to make the vertical rotation motor drive the cavity 3 to rotate to achieve pitching.

An exemplary vertical transmission assembly includes a vertical cylindrical gear 531 driven by a vertical rotation motor, and the vertical cylindrical gear 531 is connected with the cavity 3 .

It should be noted that the principle of the vertical cylindrical gear 531 in this embodiment is basically similar to that of the horizontal cylindrical gear 431 , and the vertical cylindrical gear 531 can be understood by referring to the description of the horizontal cylindrical gear 431 , which will not be repeated here.

In this embodiment, the support frame 2 is mainly composed of two parts, that is, the top 22 at the upper end, and a pair of ears 23 located on both sides of the top 22; the cavity 3 is installed between the top 22 and the pair of ears 23 The outlet cavity 21 is located in the top 22; the cavity 3 goes out through the top 22, and the rotation assembly is realized through a pair of ear parts 23; specifically, there are bearings in the ear parts 23, and the bearings are matched with the horizontal shaft seat, and the horizontal shaft seat is then It is connected with both sides of the cavity 3 to realize the rotation assembly of the cavity 3 .

In some embodiments, the vertical direction mechanism 5 further includes a vertical limit piece 54 and a vertical rotation limit switch 55 .

In this embodiment, the vertical limiting piece 54 is fixed on the vertical cylindrical gear, the vertical limiting piece 54 rotates together with the vertical cylindrical gear, the vertical rotation limit switch 55 is fixed on the support frame 2, and the vertical limiting piece 54 is used for vertical rotation Travel switch 55 provides limit.

In some embodiments, the cavity 3 includes a left dome cover 31 and a right dome cover 32 designed with a metal shell; a heat insulation partition is provided between the visible light module 6 and the infrared camera 7; Sheet 33.

In this embodiment, in the protection of the infrared camera 7, on the one hand, the heat sink 33 and the metal shell are used to effectively improve the heat dissipation efficiency;

In some embodiments, the joints between the frame 1 and the support frame 2 and the joints between the support frame 2 and the cavity 3 are reciprocatingly sealed by lip seals.

In this embodiment, the binocular pan/tilt device used for thermal imaging cameras and visible light meets the IP67 waterproof and dustproof requirements, not only the reciprocating dynamic seal is realized by the lip seal at the joint, but also the static seal is realized by the gasket. It is convenient to install and satisfies airtightness at the same time.

It should be noted that many of the components mentioned in this application are common standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

It should be noted that in this specification, relational terms such as first and second are only used to distinguish one entity from several other entities, and do not necessarily require or imply any such relationship between these entities. Actual relationship or sequence.

The binocular pan-tilt device for thermal imager and visible light provided by this application has been introduced in detail above. In this paper, specific examples are used to illustrate the principles and implementation methods of the present application, and the descriptions of the above embodiments are only used to help understand the methods and core ideas of the present application. It should be pointed out that those skilled in the art can make some improvements and modifications to the application without departing from the principles of the application, and these improvements and modifications also fall within the protection scope of the claims of the application.

Claims (10)

1. A binocular platform device for thermal imager and visible light, characterized in that it comprises: rack; and a support frame, installed on the frame, the support frame can rotate in the horizontal plane around a vertical axis to realize side navigation; and The cavity is installed on the support frame, the cavity can rotate around the horizontal axis in the vertical plane to achieve pitching, and the cavity is equipped with a visible light module and an infrared camera; and a horizontal mechanism, installed on the frame and outside the cavity, the horizontal mechanism is used to drive the support frame to rotate to achieve side flight; and a vertical mechanism installed in the cavity and located inside the cavity, the vertical mechanism is used to drive the cavity to rotate to achieve pitching; Wherein, the visible light module and the infrared camera are located inside the cavity and are vertically isolated; on the vertical axis surrounded by the support frame: the frame and the support frame are provided with hollow outlets One end of the outlet cavity is connected to the interior of the cavity, and the other end of the outlet cavity is provided with an outlet cover. 2. The binocular pan-tilt device for thermal imager and visible light according to claim 1, wherein the horizontal direction mechanism comprises: a horizontally rotating motor mount fixed to said frame; and a horizontal rotation motor mounted on the horizontal rotation motor base; and The horizontal transmission assembly is used to make the horizontal rotation motor drive the support frame to rotate to realize side navigation. 3. The binocular pan-tilt device for thermal imager and visible light according to claim 2, wherein the horizontal transmission assembly comprises: a horizontal drive gear connected to the output shaft of said horizontal rotation motor; and The horizontal cylindrical gear meshes with the horizontal driving gear, the horizontal cylindrical gear is connected with the support frame, and the support frame is rotatably assembled with the frame through a bearing. 4. The binocular pan-tilt device for thermal imager and visible light according to claim 3, wherein the horizontal direction mechanism further comprises: a horizontal limiting piece fixed to the horizontal cylindrical gear, and the horizontal limiting piece rotates together with the horizontal cylindrical gear; and The horizontal rotation limit switch is fixed on the frame, and the horizontal limit piece is used to limit the horizontal rotation limit switch. 5. The binocular pan-tilt device for thermal imager and visible light according to claim 1, wherein the vertical direction mechanism comprises: a vertical rotation motor mount fixed to the cavity; and a vertical rotation motor mounted on said vertical rotation motor base; and The vertical transmission assembly is used to make the vertical rotation motor drive the cavity to rotate to achieve pitching. 6. The binocular head device for thermal imager and visible light according to claim 5, characterized in that, the vertical transmission assembly includes a synchronous belt, and the synchronous belt is used to make the vertical rotation motor drive the The cavity is rotated to achieve pitching. 7. The binocular pan-tilt device for thermal imager and visible light according to claim 5, wherein the vertical transmission assembly includes a vertical cylindrical gear driven by the vertical rotation motor, and the vertical cylindrical gear connected to the cavity. 8. The binocular pan-tilt device for thermal imager and visible light according to claim 7, wherein the vertical direction mechanism further comprises: a vertical limiting piece fixed to the vertical cylindrical gear, and the vertical limiting piece rotates together with the vertical cylindrical gear; and The vertical rotation limit switch is fixed on the support frame, and the vertical limit piece is used to limit the vertical rotation limit switch. 9. The binocular pan/tilt device for thermal imager and visible light according to claim 1, wherein the cavity includes a left dome cover and a right dome cover designed with a metal shell; the visible light module A heat insulation partition is arranged between the infrared camera and the visible light module; a heat sink is arranged behind the visible light module. 10. The binocular pan-tilt device for thermal imager and visible light according to claim 1, characterized in that, the connection between the frame and the support frame, the connection between the support frame and the cavity The connection is reciprocatingly sealed by a lip seal.

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