Core buffering and damping mechanism and thermal imager

Abstract

The utility model provides a machine core buffering and damping mechanism and a thermal imager, and relates to the technical field of infrared thermal imaging temperature measurement, the machine core buffering and damping mechanism is installed in a shell, the machine core buffering and damping mechanism comprises an objective lens module, a machine core module and a buffering assembly, the objective lens module comprises an objective lens, and the machine core module comprises a machine core. The machine core module is fixedly connected or detachably connected with the objective lens, the buffer assembly is arranged between the shell and the objective lens or between the shell and the machine core module, and the buffer assembly integrally buffers and reduces vibration of the objective lens and the machine core module connected with the objective lens during impact vibration. Therefore, the impact force borne by the objective lens and the movement module can be relieved, and the objective lens and the movement module are protected from being damaged by external force impact.

Description

Technical Field

[0001] This utility model relates to the field of infrared thermal imaging temperature measurement technology, and in particular to a mechanism for buffering and damping vibration and a thermal imager. Background Technology

[0002] Currently, with the increasing civilian application of thermal imagers, the demand for compact thermal imagers is constantly growing, leading to higher requirements for the overall reliability of the device. Particular attention must be paid to the stability of core modules, especially the stability and reliability of the camera mechanism under impact and vibration environments, to ensure image quality. Therefore, buffering and vibration damping of the camera mechanism is essential for the overall design of the thermal imager. Current methods for buffering the camera mechanism typically involve using vibration damping brackets to indirectly reduce vibration. However, this method has several drawbacks: the heavy weight of the brackets increases the overall weight of the thermal imager; furthermore, it requires high precision, which in turn increases the cost. Therefore, there is an urgent need for a mechanism that directly buffers and dampens the camera mechanism, achieving both effective damping and a more economical and reliable solution to better meet user needs. Utility Model Content

[0003] The purpose of this utility model is to provide a mechanism for buffering and damping the movement of a watch, as well as a thermal imager.

[0004] To achieve the above objectives, the technical solution of this utility model embodiment is as follows:

[0005] A movement damping and shock absorption mechanism, installed inside a housing, includes:

[0006] Objective lens module, wherein the objective lens module includes an objective lens;

[0007] A movement module, wherein the movement module is fixedly or detachably connected to the objective lens;

[0008] A buffer assembly is disposed between the housing and the objective lens, or between the housing and the movement module. This buffer assembly is used to buffer and reduce vibrations to the objective lens and the movement module connected to the objective lens as a whole during impact vibrations. Furthermore,

[0009] The buffer assembly includes a front buffer damping pad, which is mounted on the inner surface of the housing. The objective lens has a stepped portion on its outer surface near the movement module that corresponds to the front buffer damping pad; or / and,

[0010] The objective lens module also includes an objective lens flange connected to the housing, and the buffer assembly also includes a rear buffer damping pad, which is installed on the inner surface of the objective lens flange and located between the end face of the objective lens away from the movement module and the objective lens flange.

[0011] Furthermore,

[0012] The movement module includes a movement bracket, a movement mounted on the movement bracket, and a movement flange connecting the movement bracket to the objective lens. The movement flange is provided with a guide mechanism for guiding the axial movement of the objective lens.

[0013] Furthermore,

[0014] The guiding mechanism includes a sliding groove disposed on the outer peripheral sidewall of the core flange, and a slider that passes radially through the housing and is inserted into the sliding groove.

[0015] Furthermore,

[0016] The slider includes a mounting part and a guide shaft protruding from one side of the mounting part. The housing is provided with a stepped hole corresponding to the position of the sliding groove. The guide shaft passes through the stepped hole and is installed in the sliding groove and can slide along the axial direction of the sliding groove. The mounting part is located in the stepped hole.

[0017] Furthermore,

[0018] The movement flange is threadedly connected to the objective lens.

[0019] Furthermore,

[0020] The movement is fixed to the movement bracket by multiple fasteners, and the movement bracket is fixed to the movement flange by multiple fasteners.

[0021] Furthermore,

[0022] Both the front and rear shock absorbers are made of polyurethane.

[0023] Furthermore,

[0024] The objective lens flange is also provided with a sealing ring at the end away from the movement module.

[0025] A thermal imager includes the mechanism buffer and vibration damping mechanism described in any of the foregoing embodiments, and also includes a housing, wherein the mechanism buffer and vibration damping mechanism is installed within the housing.

[0026] Compared with the prior art, the embodiments of this utility model have at least the following technical effects:

[0027] The buffer and vibration damping mechanism provided in the above embodiment is installed inside the housing. The buffer and vibration damping mechanism includes an objective lens module, a mechanism module, and a buffer assembly. The objective lens module includes an objective lens, and the mechanism module is connected to the objective lens. The buffer assembly is arranged along the axial direction of the housing. The buffer assembly is used to directly buffer and dampen the objective lens and the mechanism module connected to the objective lens when the objective lens moves along the axial direction of the housing. This can reduce the impact force on the objective lens and the mechanism module and protect the objective lens and the mechanism module from damage by external impact.

[0028] The thermal imager provided in the above embodiments belongs to the same concept as the corresponding mechanism buffer and vibration reduction mechanism embodiments, and thus has the same technical effect as the corresponding mechanism buffer and vibration reduction mechanism embodiments, which will not be repeated here. Attached Figure Description

[0029] Figure 1 An exploded view of the movement buffer and vibration damping mechanism in one embodiment;

[0030] Figure 2 This is a cross-sectional view of the movement buffer and vibration damping mechanism in one embodiment.

[0031] Explanation of icon numbers:

[0032] 1. Sealing ring; 2. Objective lens flange; 3. Rear buffer damping pad; 4. Objective lens; 5. Front buffer damping pad; 6. Guide shaft; 7. Mounting part; 8. Movement flange; 9. Movement bracket; 10. Sliding groove; 11. Movement; 12. Step part; 13. Housing; 14. Buffer assembly; 15. Movement module. Detailed Implementation

[0033] The technical solution of this utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in this specification of this utility model is for the purpose of describing particular embodiments only and is not intended to limit the utility model. In the following description, the expression "some embodiments" refers to a subset of all possible embodiments; however, it should be understood that "some embodiments" can be the same subset or different subsets of all possible embodiments and can be combined with each other without conflict.

[0034] It should also be noted that when an element is referred to as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "inner," "outer," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0035] like Figure 1 as well as Figure 2 As shown, one embodiment of this utility model provides a mechanism for buffering and damping vibration. The mechanism is installed inside the housing 13 and includes an objective lens module, a mechanism module 15, and a buffer assembly 14. The objective lens module includes an objective lens 4, and the mechanism module 15 and the objective lens 4 are detachably connected. In other embodiments, the mechanism module 15 and the objective lens 4 can also be fixedly connected. The buffer assembly can be disposed between the housing 13 and the objective lens 4. In other embodiments, the buffer assembly can also be disposed between the housing 13 and the mechanism module. When subjected to impact vibration, the buffer assembly buffers and dampens the objective lens 4 and the mechanism module connected to the objective lens 4 as a whole, thereby reducing the impact force on the objective lens 4 and the mechanism module 15 and protecting the objective lens 4 and the mechanism module 15 from damage by external impact.

[0036] The mechanism buffer and vibration reduction mechanism provided in the above embodiment allows the objective lens 4 to move along the axial direction of the housing 13 when the product is subjected to external impact during use. When the objective lens 4 moves, the buffer assembly 14 can directly buffer and reduce the impact of the objective lens 4 and the mechanism module 15 connected to the objective lens, thereby reducing the impact force on the objective lens module and the mechanism module and protecting the objective lens module and the mechanism module from damage by external impact.

[0037] like Figure 1 as well as Figure 2As shown, in one embodiment of this utility model, the objective lens module further includes an objective lens flange 2 connected to the housing 13. The buffer assembly 14 includes a front buffer damping pad 5 and a rear buffer damping pad 3 separated along the axial direction of the housing 13. The front buffer damping pad 5 is installed on the inner surface of the housing 13. The objective lens 4 has a stepped portion 12 corresponding to the front buffer damping pad 5 on the outer surface of one end near the mechanism module. The rear buffer damping pad 3 is installed on the inner surface of the objective lens flange 2 and is located between the end face of the objective lens 4 away from the mechanism module and the objective lens flange 2. The front buffer damping pad 5 and the rear buffer damping pad 3 together limit the distance of the objective lens's back-and-forth movement within the housing 13. The design utilizes a front buffer damping pad 5 and a rear buffer damping pad 3 to jointly limit the forward and backward movement of the objective lens 4 within the main housing. When the product is subjected to external impact during use, when the objective lens 4 moves forward within the housing 13 to the front buffer damping pad, the stepped portion 12 of the objective lens 4 is restricted from further forward movement by the front buffer damping pad 5, providing buffering and vibration damping for the objective lens 4 and the mechanism module 15 connected to the objective lens 4. When the objective lens 4 moves backward within the housing 13 to the rear buffer damping pad 3, it is restricted from further backward movement by the rear buffer damping pad 3, providing buffering and vibration damping for the objective lens 4 and the mechanism module 15 connected to the objective lens 4. This reduces the impact force on the objective lens 4 and the mechanism module 15, protecting them from damage by external impacts. In other embodiments of this invention, the buffer assembly 14 can be composed of either the front buffer damping pad 5 or the rear buffer damping pad 3, depending on the user's actual needs; this is not limited here.

[0038] like Figure 1 as well as Figure 2 As shown, in one embodiment of this utility model, both the front buffer damping pad 5 and the rear buffer damping pad 3 are made of polyurethane. Polyurethane has excellent wear resistance, can withstand long-term friction and wear, extending the service life of the damping pad, and polyurethane material has good elasticity, which can absorb and release energy, effectively reducing impact and vibration.

[0039] like Figure 1 as well as Figure 2 As shown, in one embodiment of this utility model, the mechanism module includes a mechanism support 9, a mechanism 11 disposed on the mechanism support 9, and a mechanism flange 8 connecting the mechanism support 9 and the objective lens 4. The mechanism flange 8 is provided with a guide mechanism for guiding the axial movement of the objective lens 4. Providing a movement guide mechanism for the objective lens 4 improves the accuracy of its forward and backward movement, enhances the accuracy of the thermal imager during impact, and ensures that the zero-point offset after impact is within the allowable range.

[0040] like Figure 1 as well as Figure 2As shown, in one embodiment of this utility model, the guiding mechanism includes a sliding groove 10 disposed on the outer peripheral sidewall of the movement flange 8, and a slider that passes radially through the housing 13 and is installed in the sliding groove 10. The sliding groove 10 is elongated along the axial direction of the movement flange 8. By allowing the slider to slide within the sliding groove 10 along its extension direction, the movement of the movement module within the housing 13 can be restricted and guided. Furthermore, the slider includes a mounting portion 7 and a guide shaft 6 protruding from one side of the mounting portion 7. The housing 13 has a stepped hole corresponding to the position of the sliding groove 10. The guide shaft 6 passes through the stepped hole and is installed in the sliding groove 10, and can slide axially along the sliding groove 10. The mounting portion 7 is located within the stepped hole. Through the cooperation of the sliding groove 10 and the guide shaft 6, precise guidance of the forward and backward movement of the objective lens 4 is achieved.

[0041] like Figure 1 as well as Figure 2 As shown, in one embodiment of this invention, the mechanism flange 8 is threadedly connected to the objective lens 4. This threaded connection ensures precise alignment between the mechanism flange 8 and the objective lens 4, which is crucial for the imaging quality of the optical equipment. The threaded connection allows the user to adjust the distance between the mechanism flange 8 and the objective lens 4 within a certain range to accommodate different observation or imaging needs. Once tightened, the threaded connection provides a secure fixation, reducing displacement caused by vibration or impact and ensuring the stability of the optical system.

[0042] like Figure 1 as well as Figure 2 As shown, in one embodiment of this utility model, the movement 11 is fixed to the movement bracket 9 by multiple fasteners, and the movement bracket 9 is fixed to the movement flange 8 by multiple fasteners. The fasteners can be screws or bolts. For example, the movement 11 is fastened to the movement bracket 9 by three M1.6 fixing screws, and the movement bracket 9 is fixed to the movement flange 8 by four M2 screws. When maintenance or replacement of the movement 11 or the movement bracket 9 is required, they can be disassembled and replaced separately, which is convenient for maintenance.

[0043] like Figure 1 as well as Figure 2 As shown, in one embodiment of this invention, the objective lens flange 2 is further provided with a sealing ring 1 at the end away from the movement module. The sealing ring 1 prevents dust, sand, and other minute impurities from entering the housing 13, protecting the optical components from contamination. Additionally, the sealing ring 1 provides an extra waterproof barrier, preventing moisture ingress and facilitating use in humid or rainy environments. The sealing ring 1 ensures the mechanism's IPX7 sealing rating.

[0044] To facilitate a better understanding of the embodiments of this utility model, the assembly and usage processes of this utility model are further described below:

[0045] The movement 11 is secured to the movement bracket 9 with three M1.6 fixing screws. The movement bracket 9 is secured to the movement flange 8 with four M2 screws. The movement flange 8 is threadedly connected to the objective lens 4. The objective lens 4 and the movement 11 are connected through the movement bracket 9 and the movement flange 8. After the front buffer damping pad 5 is installed into the housing 13, the assembled objective lens 4 and movement 11 are then installed into the housing 13. The slider passes through the housing 13 and is installed into the sliding groove 10. The slider slides into the sliding groove 10 of the flange 8 of the movement 11. By sliding the slider in the sliding groove 10 along the extension direction of the sliding groove 10, the movement of the movement module within the housing 13 can be controlled. It plays a limiting and guiding role, accurately guiding the back and forth movement of the objective lens 4, ensuring the accuracy of the entire mechanism module and the objective lens 4 when sliding back and forth within the housing 13, improving the accuracy of the thermal imager under impact, and ensuring that the zero position offset after impact is within the allowable range. Then, the rear buffer damping pad 3 and the objective lens flange 2 are installed in sequence. When the objective lens 4 moves back and forth within the housing 13, the front buffer damping pad 5 and the rear buffer damping pad 3 directly buffer and damp the objective lens 4 and the mechanism module 15 connected to the objective lens 4, realizing the buffer and damping function of the objective lens 4 and the mechanism module within the housing 13. Finally, the sealing ring 1 achieves the IPX7 sealing level of the entire buffer and damping mechanism.

[0046] A thermal imager includes the mechanism buffer and vibration damping mechanism described in any of the foregoing embodiments, and also includes a housing 13, wherein the mechanism buffer and vibration damping mechanism is installed inside the housing 13.

[0047] The movement buffer and vibration damping mechanism and the thermal imager including the movement buffer and vibration damping mechanism provided in this application embodiment have at least the following characteristics:

[0048] 1. When subjected to external impact during use, the objective lens 4 will be buffered and damped by the front buffer damping pad 5 when moving forward inside the housing 13, and by the rear buffer damping pad 3 when moving backward inside the housing 13. The two buffer pads directly buffer and dampen the objective lens 4 and the mechanism module connected to the objective lens 4, which can reduce the impact force on the objective lens 4 and the mechanism module and protect the objective lens 4 and the mechanism module from damage by external impact.

[0049] 2. The slider is slidably engaged with the sliding groove 10 of the mechanism flange 8. By sliding the slider in the sliding groove 10 along the extension direction of the sliding groove 10, the movement of the mechanism module in the housing 13 can be restricted and guided, so as to accurately guide the back and forth movement of the objective lens 4, ensuring the accuracy of the entire mechanism module and objective lens 4 when sliding back and forth in the housing 13, improving the accuracy of the thermal imager under impact, and ensuring that the zero position offset after impact is within the allowable range.

[0050] 3. The objective lens flange 2 is also provided with a sealing ring 1 at the end away from the movement module. The sealing ring 1 can prevent dust, sand and other minute impurities from entering the interior of the housing 13, protecting the optical components from contamination. The sealing ring 1 ensures the product's IPX7 sealing rating.

[0051] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. The protection scope of this utility model shall be determined by the protection scope of the claims.

Claims

1. A movement buffer and vibration damping mechanism, installed inside a housing (13), characterized in that, include: Objective lens module, the objective lens module including objective lens (4); The movement module is fixedly or detachably connected to the objective lens (4); A buffer assembly is disposed between the housing (13) and the objective lens (4) or between the housing (13) and the movement module. The buffer assembly is used to buffer and reduce the vibration of the objective lens (4) and the movement module connected to the objective lens (4) as a whole during impact vibration.

2. The movement buffer and vibration damping mechanism according to claim 1, characterized in that, The buffer assembly includes a front buffer damping pad (5), which is mounted on the inner surface of the housing (13). The objective lens (4) has a stepped portion (12) on its outer surface near the end of the movement module that corresponds to the front buffer damping pad (5); or / and, The objective lens module also includes an objective lens flange (2) connected to the housing (13). The buffer assembly includes a rear buffer damping pad (3), which is installed on the inner surface of the objective lens flange (2) and located between the end face of the objective lens (4) away from the mechanism module and the objective lens flange (2).

3. The movement buffer and vibration damping mechanism according to claim 1, characterized in that, The movement module includes a movement bracket (9), a movement (11) disposed on the movement bracket (9), and a movement flange (8) connecting the movement bracket (9) and the objective lens (4). The movement flange (8) is provided with a guide mechanism for guiding the axial movement of the objective lens (4).

4. The movement buffer and vibration damping mechanism according to claim 3, characterized in that, The guiding mechanism includes a sliding groove (10) disposed on the outer peripheral sidewall of the core flange (8) and a slider that passes through the housing (13) radially and is inserted into the sliding groove (10).

5. The movement buffer and vibration damping mechanism according to claim 4, characterized in that, The slider includes a mounting part (7) and a guide shaft (6) protruding from one side of the mounting part (7). The housing (13) is provided with a stepped hole corresponding to the position of the sliding groove (10). The guide shaft (6) passes through the stepped hole and is installed in the sliding groove (10) and can slide along the axial direction of the sliding groove (10). The mounting part (7) is located in the stepped hole.

6. The movement buffer and vibration damping mechanism according to claim 3, characterized in that, The mechanism flange (8) is threadedly connected to the objective lens (4).

7. The movement buffer and vibration damping mechanism according to claim 3, characterized in that, The movement (11) is fixed to the movement bracket (9) by a plurality of fasteners, and the movement bracket (9) is fixed to the movement flange (8) by a plurality of fasteners.

8. The movement buffer and vibration damping mechanism according to claim 2, characterized in that, Both the front buffer damping pad (5) and the rear buffer damping pad (3) are made of polyurethane.

9. The movement buffer and vibration damping mechanism according to claim 2, characterized in that, The objective lens flange (2) is also provided with a sealing ring (1) at the end away from the movement module.

10. A thermal imager, characterized in that, The device includes the movement damping mechanism as described in any one of claims 1-9, and also includes a housing (13), wherein the movement damping mechanism is installed within the housing (13).

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