CN218041555U

CN218041555U - Handheld thermal imaging night vision device

Info

Publication number: CN218041555U
Application number: CN202222849260.9U
Authority: CN
Inventors: 冯加美
Original assignee: Yunnan Junpin General Equipment Co ltd
Current assignee: Yunnan Junpin General Equipment Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2022-12-13
Anticipated expiration: 2032-10-28

Abstract

The application discloses a handheld thermal imaging night vision device, wherein an objective lens group is arranged in an objective lens, a thermal imaging assembly is arranged in the lens body and is connected with the objective lens through a bayonet, and the objective lens is connected with the rear end of the lens body; the fixed block is fixed in mirror body bottom or lateral part, and the connecting block can be dismantled and fix in the fixed block bottom, and the handle top is articulated and establishes the battery compartment with the connecting block, and the handle top is equipped with connecting portion I of being connected with the battery compartment inner contact electricity, and the connecting block is equipped with connecting portion II of being connected with I electricity of connecting portion, and connecting portion II is connected with thermal imaging assembly electricity. The utility model provides an eyepiece and mirror body components of a whole that can function independently design to can select suitable eyepiece as required, and set up the handle into folding hinge structure, even if be convenient for night-time vision device's stable handheld, hinge structure still can realize the quick switching of handle state, is convenient for carry or preserve after folding, and still realizes that the night-time vision device focus moves down and increase duration in the built-in battery compartment of handle, has simple structure, handheld stability is also good, folding and connect swift reliable characteristics.

Description

Handheld thermal imaging night vision device

Technical Field

The application relates to the technical field of night vision devices, in particular to a handheld thermal imaging night vision device which is simple in structure, good in handheld stability and fast and reliable in folding and connection.

Background

A thermal imaging night vision device (thermal infrared imager) is a device which utilizes an infrared detector, an optical imaging objective lens and an optical scanning system to receive an infrared radiation energy distribution pattern of a detected target, then reflects the infrared radiation energy distribution pattern on a photosensitive element of the infrared detector, converts the infrared radiation energy into an electric signal by the infrared detector, and displays an infrared thermal image through a television screen or a monitor after amplification processing and conversion or standard video signals. Because the thermal imaging night vision device does not need to use starlight and moonlight, but utilizes the difference of object thermal radiation for imaging, the thermal imaging night vision device can be used for finding vehicles and personnel hidden in forests and grass trees and even objects buried underground through smog, rain, snow and camouflage, and thus the thermal imaging night vision device has wide application in the fields of military affairs, industry, automobile auxiliary driving and medicine.

At present, thermal imaging night-time vision device generally can be divided into wear-type and hand-held type two kinds, and conventional hand-held type thermal imaging night-time vision device often adopts handheld mirror body to use, because its volume and whole weight are great, grips the mode and is not conform to human engineering again, consequently causes to use the travelling comfort not good enough. Therefore, a handle is generally arranged at the lower end or one side of the mirror body, so that the holding experience in use is improved, but the handle is mostly fixedly connected with the mirror body or in a threaded connection structure, so that the handle is too large in size and inconvenient to carry and store, and the threaded connection structure can be disassembled to reduce the size, but the threaded connection structure is slow in connection and disassembly speed in emergency use situations such as mine disaster rescue, night rescue, special combat and the like, so that irreparable loss can be caused.

Among the prior art, in order to solve the problem that aforementioned handle exists, also have the structure that adopts telescopic handle, thereby not only reducible inconvenience when taking with and storing, also can improve the slew velocity of handle state, nevertheless still outstanding in the mirror body after telescopic handle withdrawal, the volume reduces limitedly, and the slip extending structure foreign matter still gets into the slip clearance easily and the handle collides with easy slight deformation in the field practice, thereby easily lead to the slip flexible not smooth and influence normal use, the slip extending structure is because connection area reduces and the existence in slip clearance after the extension, still enlarge when handheld use and rock easily and influence normal use. Therefore, in the prior art, the handle and the lens body are hinged to realize folding, but the simple hinge structure has small contact surface and no positioning mechanism, so that the handle is easy to rotate and shake when the night vision goggles are used, and the reliability and the stability are insufficient. In addition, a slidable guide rail is arranged in the handle, one end of the guide rail is hinged with the mirror body, positioning holes are arranged on the guide rail at intervals, and clamping blocks are correspondingly arranged on the handle, so that the handle is telescopic and foldable.

SUMMERY OF THE UTILITY MODEL

To the not enough among the prior art, this application provides a simple structure, handheld stability is also good, folding and connect swift reliable hand-held type thermal imaging night-time vision device.

The application is realized as follows: the thermal imaging eyepiece comprises an objective lens, an objective lens group, an eyepiece lens group and an eyepiece lens group, wherein the objective lens group is arranged in the objective lens, a thermal imaging assembly is arranged in the objective lens body, the front end of the thermal imaging assembly is detachably connected with the rear end of the objective lens through a bayonet, the eyepiece lens group is arranged in the objective lens, and the front end of the eyepiece lens is connected with the rear end of the objective lens body; still include fixed block, connecting block, handle, the fixed block passes through the fix with screw and sets up in the bottom or the lateral part of the mirror body, connecting block detachable is fixed to be set up in the bottom of fixed block, the top and the folding articulated of connecting block of handle, the inside of handle still is provided with the battery compartment, the top of handle still is provided with the connecting portion I of being connected with the battery contact electricity in the battery compartment, be provided with connecting portion II that can be connected with I electricity of connecting portion on the connecting block, connecting portion II passes through the wire and is connected with the thermal imaging subassembly electricity.

The beneficial effect of this application:

1. according to the split type night vision device, the eyepiece and the lens body are connected through the bayonet, so that a proper eyepiece can be selected according to needs, and the application range of the night vision device is widened; but also set up the battery compartment that is used for holding the battery in the handle, can reduce the focus of night-time vision device in order to improve handheld stability, can also make full use of handle space in order to increase the duration of a journey of night-time vision device to correspond and set up connecting portion I and the connecting portion II of electricity connection respectively on handle top and connecting block, can realize the automatic break-make when the handle is connected and is folded, thereby further provide the speed of handle state conversion.

2. The utility model provides a handle and mirror body are folding hinge structure, not only the handle is collided with and slightly warp and also can not influence articulated reliability and the normal use of connecting in the field practice, but also can improve night-time vision device's use travelling comfort, and the night-time vision device's of being convenient for is stable handheld, and hinge structure can also improve the switching speed that the handle is folding and user state, thereby can satisfy emergency use's use, and form compact accomodating state after folding fast and be convenient for carry and save. Especially, set up articulated boss in the bottom of connecting block, correspond and set up the spread groove on setting up connection boss and connection boss on the handle top for the rotatable embedding of articulated boss in the spread groove and the bottom butt of articulated boss top and spread groove, the stability that handle and mirror body are connected can be improved to articulated boss and spread groove of mutually supporting, thereby enlargies when can avoiding handheld use and rocks the influence normal use.

3. The utility model provides a set gradually between handle and the mirror body with the fixed block of mirror body fixed and with handle articulated connecting block to with fixed block and connecting block detachable fixed connection, the hinge structure of handle can improve the slew velocity of handle state, and the detachable connecting block can install in advance as required again or demolish, thereby improve the flexibility that the night-time vision device used, the fixed block still can not influence night-time vision device exclusive use or be connected with other mechanisms through structural design.

In conclusion, the folding and connecting device has the characteristics of simple structure, good hand-held stability and rapidness and reliability in folding and connecting.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a partial sectional view taken along line B-B of FIG. 2;

FIG. 4 isbase:Sub>A composite sectional view taken along line A-A of FIGS. 1 and 2;

FIG. 5 is a partial enlarged view of FIG. 4;

FIG. 6 is a schematic view of the folding structure of the handle of FIG. 1;

FIG. 7 is a partial enlarged view of FIG. 5;

in the figure: 1-objective lens, 2-lens body, 3-eyepiece, 4-fixed block, 401-dovetail groove, 402-set screw, 7-connecting block, 701-connecting part II, 702-dovetail joint, 703-set surface, 704-hinged boss, 705-positioning cavity, 8-handle, 801-connecting part I, 802-connecting boss, 803-connecting groove, 804-spherical groove, 805-battery compartment, 9-hinged shaft, 10-positioning ball, 11-spring and 12-light shield.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

As shown in fig. 1 to 5, the thermal imaging type thermal imaging lens system comprises an objective lens 1, an objective lens group, a lens body 2, an eyepiece 3 and an eyepiece group, wherein the objective lens group is arranged in the objective lens 1, a thermal imaging component is arranged in the lens body 2, the front end of the thermal imaging component is detachably connected with the rear end of the objective lens 1 through a bayonet, the eyepiece group is arranged in the eyepiece 3, and the front end of the eyepiece 3 is connected with the rear end of the lens body 2; still include fixed block 4, connecting block 7, handle 8, fixed block 4 sets up in the bottom or the lateral part of mirror body 2 through the fix with screw, 7 detachable of connecting block are fixed to be set up in the bottom of fixed block 4, the top of handle 8 is articulated with connecting block 7, the inside of handle 8 still is provided with battery compartment 805, the top of handle 8 still is provided with the I801 of connecting portion of being connected with the battery contact electricity in the battery compartment 805, be provided with on connecting block 7 can be connected II 701 of being connected with I801 electricity of connecting portion, II 701 of connecting portion are connected with thermal imaging component electricity through the wire.

As shown in fig. 1, 2 and 3, the connecting portion i 801 protrudes from the top end of the handle 8 and is of a conical, ball-head or sheet structure, and the connecting portion ii 701 is a blind hole into which the conical or ball-head connecting portion i 801 can be inserted, or a "V" shaped spring into which the sheet structure connecting portion i 801 can be inserted.

The handle 8 is also provided with a switch which can cut off the electric connection between the connecting part I801 and the battery contact in the battery bin 805.

As shown in fig. 1, 2 and 4, a connection screw hole or a dovetail groove 401 is provided at the bottom end of the fixing block 4, a stud or a dovetail 702 is correspondingly provided at the top end of the connecting block 7, the stud is in threaded connection with the connection screw hole, or the dovetail 702 is inserted into the dovetail groove 401.

Dovetail 702 is for following length direction's square structure or the frustum shape structure of width after the preceding narrow, dovetail 401 corresponds with dovetail 702 along length direction's structure, be provided with the holding screw of perpendicular to dovetail 401 on the lateral wall of fixed block 4, be provided with the holding screw 402 that the terminal surface can support tight dovetail 702 lateral wall in the holding screw of fixed block 4.

The dovetail 702 has a fastening surface 703 extending in the longitudinal direction and in parallel with and in contact with the end surface of the fastening screw 402 at the upper portion of the side wall thereof.

The bottom of connecting block 7 is provided with articulated boss 704, the top of handle 8 is provided with connects boss 802 and is connected and be provided with the spread groove 803 on the boss 802, articulated boss 704 is articulated through articulated shaft 9 and connection boss 802, articulated boss 704 is rotatable imbed in the spread groove 803 and the bottom butt of articulated boss 704 top and spread groove 803.

As shown in fig. 4 and 5, a positioning cavity 705 having an opening smaller than the inner diameter is disposed on an end surface of one side of the hinge boss 704 away from the hinge shaft 9, a positioning ball 10 having a diameter larger than the opening and protruding from the end surface is disposed in the positioning cavity 705, a spring 11 having two ends respectively abutting against the positioning ball 10 and the rear wall is further disposed in the positioning cavity 705, a spherical recess 804 is correspondingly disposed on an inner side surface of the connection groove 803, and the positioning ball 10 in the hinge boss 704 can extend into the spherical recess 804.

The two side surfaces of the hinge boss 704 are coaxially or alternatively provided with positioning cavities 705 with openings smaller than the inner diameter, the positioning cavities 705 are respectively provided with a positioning ball 10 and a spring 11, and the inner side surfaces of the connecting grooves 803 are respectively and correspondingly provided with spherical grooves 804.

And elastic damping layers are fixedly arranged on two side walls in the connecting groove 803 and/or two side walls outside the hinged boss 704.

The working principle and the working process of the application are as follows:

as shown in fig. 2 to 5, the fixing block 4 is fixed at the bottom end or the side part of the mirror body 2 by screws, when a task needs to install the handle 8, the dovetail 702 at the top end of the connecting block 7 is slidably inserted into the dovetail groove 401 at the bottom end of the fixing block 4, and the fastening screw 402 is screwed to make the end surface abut against the fastening surface 703 to fix the dovetail 702, so that the connecting block 7 is fixed at the lower end of the fixing block 4; when the task does not require the handle 8, the connecting block 7 can be removed instead, so as not to prevent the thermal imaging night vision device from being used alone or connected with other mechanisms.

Fixed block 4 is fixed the back, during the use handle 8, the mirror body 2 is gripped on one hand, another hand rotation handle 8, make the bottom of spread groove 803 and the top butt of last articulated boss 704, sphere recess 804 on the spread groove 803 medial surface is adjusted well the location ball 10 on articulated boss 704 well, location ball 10 promotes down the part and gets into sphere recess 804 and form the block location under spring 11, thereby mutual rotation between handle 8 and the mirror body 2 when can avoiding using, and the toper on handle 8 top, the I801 of bulb shape connecting portion inserts and forms the electricity in the elasticity blind hole of connecting portion II 701 and is connected, accomplish the fixed connection of handle 8 and mirror body 2, can hand handle 8 this application's thermal imaging night-vision device this moment. When folding, the rotating handle 8 makes the spherical groove 804 press the positioning ball 10 to retreat, and if the above is the other way, the folding of the handle 8 relative to the mirror body 2 can be completed, at this time, because the two side walls in the connecting groove 803 and/or the two side walls outside the hinged boss 704 are fixedly provided with the elastic damping layer, the relative rotation between the folded handle 8 and the mirror body 2 can be avoided, and certainly, the mirror body 2 can be provided with a bayonet or a binding band corresponding to the handle 8, so that the handle 8 is clamped or bound on the mirror body 2 after being folded.

The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application are included in the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A handheld thermal imaging night vision device comprises an objective lens (1), an objective lens group, a lens body (2), an ocular lens (3) and an ocular lens group, wherein the objective lens group is arranged in the objective lens (1), a thermal imaging assembly is arranged in the lens body (2), the front end of the thermal imaging assembly is detachably connected with the rear end of the objective lens (1) through a bayonet, the ocular lens group is arranged in the ocular lens (3), and the front end of the ocular lens (3) is connected with the rear end of the lens body (2); the novel endoscope is characterized by further comprising a fixing block (4), a connecting block (7) and a handle (8), wherein the fixing block (4) is fixedly arranged at the bottom end or the side portion of the endoscope body (2) through screws, the connecting block (7) is detachably and fixedly arranged at the bottom end of the fixing block (4), the top end of the handle (8) is hinged to the connecting block (7) in a folding mode, a battery bin (805) is further arranged inside the handle (8), the top end of the handle (8) is further provided with a connecting portion I (801) electrically connected with a battery contact in the battery bin (805), a connecting portion II (701) capable of being electrically connected with the connecting portion I (801) is arranged on the connecting block (7), and the connecting portion II (701) is electrically connected with a thermal imaging assembly through a wire.

2. The handheld thermographic night vision device according to claim 1, characterized in that the connection portion i (801) is a cone, a ball or a plate protruding from the top end of the handle (8), and the connection portion ii (701) is a blind hole into which the cone, ball or plate connection portion i (801) can be inserted, or a V-shaped spring into which the plate connection portion i (801) can be inserted.

3. The handheld thermographic night vision device according to claim 2, characterized in that the handle (8) is further provided with a switch for electrically disconnecting the connection i (801) from the battery contacts in the battery compartment (805).

4. The handheld thermal imaging night vision device according to claim 1, wherein a connection screw hole or a dovetail groove (401) is provided at the bottom end of the fixing block (4), a stud or a dovetail (702) is correspondingly provided at the top end of the connection block (7), the stud is in threaded connection with the connection screw hole, or the dovetail (702) is inserted into the dovetail groove (401).

5. The handheld thermal imaging night vision device according to claim 4, wherein the dovetail (702) is a square structure along the length direction or a frustum-shaped structure with a narrow front part and a wide rear part, the dovetail (401) corresponds to the dovetail (702) along the length direction, a fastening screw hole perpendicular to the dovetail (401) is formed in the side wall of the fixing block (4), and a fastening screw (402) with an end surface capable of abutting against the side wall of the dovetail (702) is arranged in the fastening screw hole of the fixing block (4).

6. The handheld thermographic night vision device according to claim 5, characterized in that the upper part of the side wall of the dovetail (702) is provided with a fastening face (703) extending in the length direction and parallel to and abuttable against the end face of the fastening screw (402).

7. The handheld thermal imaging night vision device of any one of claims 1 to 6, wherein the bottom end of the connecting block (7) is provided with a hinge boss (704), the top end of the handle (8) is provided with a connecting boss (802) and the connecting boss (802) is provided with a connecting slot (803), the hinge boss (704) is hinged to the connecting boss (802) through a hinge shaft (9), the hinge boss (704) is rotatably embedded into the connecting slot (803) and the top end of the hinge boss (704) abuts against the bottom end of the connecting slot (803).

8. The handheld thermal imaging night vision device of claim 7, wherein a positioning cavity (705) having an opening smaller than an inner diameter is formed in a side surface of the hinge boss (704) away from the hinge shaft (9), a positioning ball (10) having a diameter larger than the opening and protruding from an end surface is disposed in the positioning cavity (705), a spring (11) having two ends respectively abutting against the positioning ball (10) and the rear wall is further disposed in the positioning cavity (705), a spherical recess (804) is correspondingly formed in an inner side surface of the connecting groove (803), and the positioning ball (10) in the hinge boss (704) can extend into the spherical recess (804).

9. The handheld thermal imaging night vision device of claim 8, wherein the hinge boss (704) is provided with a positioning cavity (705) having an opening smaller than an inner diameter on two side surfaces thereof, the positioning cavity (705) is provided with a positioning ball (10) and a spring (11), and the connecting grooves (803) are correspondingly provided with spherical grooves (804) on inner side surfaces thereof.

10. The handheld thermal imaging night vision device of claim 7, characterized in that two side walls inside the attachment slot (803) and/or two side walls outside the hinge projection (704) are fixedly provided with an elastic damping layer.