Motorized platform laser
By using a fixed bracket to connect to the fixed platform in a high-energy solid-state laser, the problem of optical path offset and optical axis changes in the laser under installation stress and environmental changes is solved, and the stability and reliability of the system are improved.
Patent Information
- Application Number
- CN202420685903.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-03
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-04-03
AI Technical Summary
Under installation stress, ambient temperature changes and external shock vibration, the internal optical path offset and the optical axis direction change, affecting the stability of the system.
Connect the laser to the fixed platform through a fixed bracket to reduce installation stress and avoid the impact of deformation of the platform and laser mounting surface on the laser housing.
It improves the stability and reliability of the laser system, and reduces the impact on the consistency of the internal optical path and optical axis of the laser under ambient temperature and maneuvering conditions.
Smart Images

Figure CN222441091U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of solid lasers, and in particular relates to a motorized platform laser. Background Art
[0002] High-energy solid-state lasers are complex and sophisticated systems that integrate optics, mechanics, electronics, and fluids. They are usually composed of a laser head, an excitation source, a temperature control system, a control unit, etc. The laser head is usually a sealed independent space, consisting of dozens or even hundreds of optical components. The optical components must be aligned with each other, and their accuracy is usually in the micro-radian level. In addition, when used in a laser system, the laser output must be coaxial with the tracking and aiming system, and its optical axis pointing accuracy must also reach micro-radians or even higher. However, the stress of laser installation, changes in ambient temperature, and the stress generated by the mechanical structure of the laser head during external shock and vibration will cause the internal optical path of the high-energy laser to be misaligned, the optical axis pointing changes, and affect the stability of the laser system.
[0003] Therefore, there is an urgent need for a motorized platform laser that can reduce installation stress, so as to avoid the influence of the deformation of the platform and the laser mounting surface on the laser housing, thereby improving the stability of the laser system. Utility Model Content
[0004] The utility model provides a motorized platform laser, which connects the laser to a fixed platform through a fixed bracket, reduces laser installation stress, avoids the influence of platform and laser installation surface deformation on the laser housing, and thus improves the stability of the laser system.
[0005] The utility model provides a motorized platform laser, comprising a laser body, a fixed bracket and a fixed platform; the laser body comprises a laser and a laser head shell; a laser head shell is arranged on the laser; the laser head shell is provided with four shell mounting holes; the fixed bracket comprises a front bracket and a rear bracket; mounting holes are provided on both side bottom plates of the front bracket and the rear bracket; a first transition mounting hole and a second transition mounting hole are provided on both sides of the top plate surface of the front bracket; a third transition mounting hole and a fourth transition mounting hole are provided symmetrically on the center of the top plate surface of the rear bracket; the first transition mounting hole, the second transition mounting hole, the third transition mounting hole and the fourth transition mounting hole are connected correspondingly with the four shell mounting holes so that the fixed bracket is fixed to the laser head shell; the two mounting holes of the front bracket and the two mounting holes of the rear bracket are connected correspondingly with the four mounting holes of the fixed platform so that the fixed bracket is fixed to the fixed platform.
[0006] Furthermore, the front sides of the front bracket and the rear bracket are both convex structures.
[0007] Furthermore, the top plate surface of the front bracket includes a first top plate transition mounting surface, a second top plate transition mounting surface and a first top plate mounting surface; the first top plate transition mounting surface and the second top plate transition mounting surface are arranged at both ends of the first top plate mounting surface; the first transition mounting hole is arranged on the first top plate transition mounting surface; and the second transition mounting hole is arranged on the second top plate transition mounting surface.
[0008] Furthermore, a first boss and a second boss are formed on the back of the front bracket; the first boss and the second boss are used to reduce the stress of laser installation.
[0009] Furthermore, the top plate surface of the rear bracket includes a third top plate transition mounting surface, a second top plate mounting surface and a third top plate mounting surface; the third top plate transition mounting surface is arranged between the second top plate mounting surface and the third top plate mounting surface; the third transition mounting hole and the fourth transition mounting hole are symmetrically arranged on the third top plate transition mounting surface.
[0010] Furthermore, a third boss, a fourth boss and a fifth boss are sequentially formed on the back of the rear bracket; the third boss, the fourth boss and the fifth boss are used to reduce the stress of laser installation.
[0011] Furthermore, the line connecting the first transition mounting hole and the second transition mounting hole is perpendicular to the long axis of the laser head housing; the distance between the first transition mounting hole and the second transition mounting hole is not less than 30 mm; the line connecting the third transition mounting hole and the fourth transition mounting hole is perpendicular to the short axis of the laser head housing; the distance between the third transition mounting hole and the fourth transition mounting hole is not greater than the length of the short axis of the laser head housing.
[0012] Furthermore, both sides of the front bracket and the rear bracket are provided with symmetrical stepped platforms; and mounting holes are provided on the stepped platforms.
[0013] Furthermore, protrusions are provided on both sides of the bottom of the front and back sides of the front bracket to reduce the contact area between the front bracket surface and the contact surface; protrusions are provided in the middle position of the bottom of the front and back sides of the rear bracket to reduce the contact area between the rear bracket surface and the contact surface.
[0014] Furthermore, the back side of the top plate of the front bracket includes a first top plate transition installation back side, a second top plate transition installation back side and a first top plate installation back side; a first back side transition installation surface is arranged between the first top plate transition installation back side and the first top plate installation back side; a second back side transition installation surface is arranged between the second top plate transition installation back side and the first top plate installation back side; the back side of the top plate of the rear bracket includes a third top plate transition installation back side, a second top plate installation back side and a third top plate installation back side; a third back side transition installation surface is arranged between the third top plate transition installation back side and the second top plate installation back side; a fourth back side transition installation surface is arranged between the third top plate transition installation back side and the third top plate installation back side; the first top plate transition installation surface, the second top plate transition installation surface and the third top plate transition installation surface are all used for the installation of the fixed bracket and the laser head housing; the first top plate transition installation back side, the second top plate transition installation back side and the third top plate transition installation back side are all used for the installation of the fixed bracket and the fixed platform.
[0015] The beneficial effect of the utility model is that, compared with the prior art, a motorized platform laser is provided. The laser is connected to the fixed platform by a fixed bracket, which reduces the installation stress, avoids the influence of the deformation of the platform and the laser mounting surface on the laser housing, and improves the reliability of the laser. The transition mounting surface between the laser head housing and the fixed bracket is approximately three-point positioning, which reduces the processing accuracy requirements for the transition mounting surface and improves the influence of impact vibration on the laser structure when the platform is maneuverable. The laser head is an independent structure, which is connected to the platform by a fixed bracket, so as to avoid the influence of the stress deformation of the platform under different ambient temperature conditions and maneuvering conditions on the stability of the internal optical path of the laser and the consistency of the external optical axis. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the front structure of a front bracket of a mobile platform laser;
[0017] Figure 2 It is a schematic diagram of the back structure of a front bracket of a mobile platform laser;
[0018] Figure 3 It is a schematic diagram of the front structure of a rear support of a mobile platform laser;
[0019] Figure 4 It is a schematic diagram of the back structure of a rear support of a mobile platform laser;
[0020] Figure 5 It is a schematic diagram of the mechanical installation of a motorized platform laser fixing bracket, a laser head housing, and a bottom surface of a loading platform;
[0021] Figure 6It is a schematic diagram of the side mechanical installation of a mobile platform laser fixing bracket, laser head housing, and loading platform;
[0022] Figure 7 It is a schematic diagram of the mechanical installation of a mobile platform laser fixing bracket, a laser head housing, and a top surface of a loading platform;
[0023] Figure 8 This is a schematic diagram of the design of the bottom surface mounting holes of a motorized platform laser housing.
[0024] Description of reference numerals:
[0025] 1. Laser head housing; 2. Front bracket; 3. Rear bracket; 4. Transition mounting hole; 5. Mounting hole; 6. Transition mounting surface; 7. Top plate mounting surface. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0027] In this embodiment, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0028] It should be noted that when an element is referred to as being "fixed to", "disposed on" or "connected to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.
[0029] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "mode", "specific mode", or "some modes" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or mode are included in at least one embodiment or mode of the utility model embodiment. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or mode. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or modes in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or modes described in this specification and the features of the different embodiments or modes, without contradiction.
[0030] The present application provides a mobile platform laser, such as Figures 1 to 8 As shown, it includes a laser body, a fixing bracket and a fixing platform.
[0031] The laser body includes a laser and a laser head housing 1. The laser is provided with a laser head housing 1. The laser head housing 1 is provided with four housing mounting holes.
[0032] The fixed bracket includes a front bracket 2 and a rear bracket 3. Both side bottom plates of the front bracket 2 and the rear bracket 3 are provided with mounting holes 5.
[0033] The first transition mounting hole and the second transition mounting hole are provided on both sides of the top plate of the front bracket 2. The third transition mounting hole and the fourth transition mounting hole are provided symmetrically on the top plate of the rear bracket 3.
[0034] The first transition mounting hole, the second transition mounting hole, the third transition mounting hole and the fourth transition mounting hole are correspondingly connected to the four housing mounting holes so as to fix the bracket to the laser head housing 1 .
[0035] The two mounting holes 5 of the front bracket 2 and the two mounting holes 5 of the rear bracket 3 are connected to the four mounting holes 5 of the fixed platform correspondingly, so that the fixed bracket is fixed to the fixed platform.
[0036] In a specific implementation, the front bracket 2 is connected to the two housing mounting holes at the bottom of the laser head housing 1 through the transition mounting hole 4, and the rear bracket 3 is connected to the two housing mounting holes at the bottom of the laser head housing 1 through the transition mounting hole 4. After the front and rear brackets are respectively installed with the laser head housing 1, they are respectively connected to the fixed platform through the mounting holes 5 on the front and rear brackets 3, which can reduce the installation stress of the laser and avoid the influence of the deformation of the platform and the laser mounting surface on the laser housing, thereby improving the stability of the laser system.
[0037] According to the implementation mode provided by the utility model, the front sides of the front bracket 2 and the rear bracket 3 are both convex structures.
[0038] It should be noted that the larger the mounting surface, the more difficult it is to ensure flatness. When the two large mounting surfaces are mounted together by screws, the different flatness will generate mounting stress, causing the optical elements inside the laser to be misaligned and affecting the laser output. Through multiple tests, the front of the front bracket 2 and the rear bracket 3 adopt a convex structure to effectively reduce the mounting stress of the laser.
[0039] According to the embodiment provided by the utility model, the top plate surface of the front bracket 2 includes a first top plate transition mounting surface, a second top plate transition mounting surface and a first top plate mounting surface. The first top plate transition mounting surface and the second top plate transition mounting surface are arranged at both ends of the first top plate mounting surface.
[0040] The first transition mounting hole is arranged on the first top plate transition mounting surface, and the second transition mounting hole is arranged on the second top plate transition mounting surface.
[0041] It should be noted that the first top plate installation surface is located between the first top plate transition installation surface and the second top plate transition installation surface. A transition installation hole 4 is provided in the middle of the first top plate transition installation surface and the second top plate transition installation surface for corresponding connection with the housing installation hole.
[0042] According to the embodiment provided by the utility model, a first boss and a second boss are provided on the back of the front bracket 2. The first boss and the second boss are used to reduce the stress of laser installation.
[0043] It should be noted that the contact surface is designed as a boss to reduce the area, and the flatness is more easily guaranteed, which can reduce the installation stress and improve the reliability.
[0044] According to the embodiment provided by the utility model, the top plate surface of the rear bracket 3 includes a third top plate transition mounting surface, a second top plate mounting surface and a third top plate mounting surface. The third top plate transition mounting surface is arranged between the second top plate mounting surface and the third top plate mounting surface.
[0045] The third transition mounting hole and the fourth transition mounting hole are symmetrically arranged on the third top plate transition mounting surface.
[0046] It should be noted that the third transition mounting surface is located between the second top plate mounting surface and the third top plate mounting surface. Two transition mounting holes 4 are symmetrically provided in the middle of the third transition mounting surface for corresponding connection with the housing mounting holes.
[0047] According to the embodiment provided by the utility model, the back of the rear bracket 3 is provided with a third boss, a fourth boss and a fifth boss in sequence. The third boss, the fourth boss and the fifth boss are used to reduce the stress of laser installation.
[0048] It should be noted that the contact surface is designed as a boss to reduce the area, and the flatness is more easily guaranteed, which can reduce the installation stress and improve the reliability.
[0049] According to the embodiment provided by the utility model, the connecting line of the first transition mounting hole and the second transition mounting hole is perpendicular to the long axis of the laser head housing 1. The spacing between the first transition mounting hole and the second transition mounting hole is not less than 30 mm.
[0050] The connecting line of the third transition mounting hole and the fourth transition mounting hole is perpendicular to the short axis of the laser head housing 1. The distance between the third transition mounting hole and the fourth transition mounting hole is not greater than the length of the short axis of the laser head housing 1.
[0051] It should be noted that 4 housing mounting holes are designed on the bottom surface of the laser housing, 2 of which are connected to the first transition mounting hole and the second transition mounting hole respectively, the line connecting the first transition mounting hole and the second transition mounting hole is perpendicular to the long axis of the laser head housing 1, and the spacing is as small as possible but not less than 30 mm. The other 2 housing mounting holes are connected to the third transition mounting hole and the fourth transition mounting hole respectively, the line connecting the third transition mounting hole and the fourth transition mounting hole is perpendicular to the short axis of the laser head housing 1, the spacing is as wide as possible but does not exceed the width of the laser housing, and the 4 housing mounting holes are symmetrically distributed according to the center of gravity of the laser.
[0052] According to the embodiment provided by the utility model, symmetrical stepped platforms are provided on both sides of the front bracket 2 and the rear bracket 3. Mounting holes 5 are provided on the stepped platforms.
[0053] According to the embodiment provided by the utility model, protrusions are provided on both sides of the bottom of the front and back sides of the front bracket 2 to reduce the contact area between the front bracket 2 and the contact surface.
[0054] Protrusions are provided at the middle positions of the bottom of the front and back sides of the rear bracket 3 to reduce the contact area between the rear bracket 3 and the contact surface.
[0055] It should be noted that protrusions are provided on both sides of the front and back bottom of the front bracket 2, and protrusions are provided in the middle of the front and back bottom of the rear bracket 3. The protrusions are designed mainly to reduce the contact area between the front bracket 2 or the rear bracket 3 and the contact surface, and to avoid installation stress caused by the non-parallelism between the front bracket 2 and the contact surface or the rear bracket 3 and the contact surface.
[0056] According to the embodiment provided by the utility model, the back side of the top plate of the front bracket 2 includes a first top plate transition installation back side, a second top plate transition installation back side and a first top plate installation back side. A first back side transition installation surface is provided between the first top plate transition installation back side and the first top plate installation back side. A second back side transition installation surface is provided between the second top plate transition installation back side and the first top plate installation back side.
[0057] The back side of the top plate of the rear bracket 3 includes a third top plate transition installation back side, a second top plate installation back side and a third top plate installation back side. A third back side transition installation surface is provided between the third top plate transition installation back side and the second top plate installation back side. A fourth back side transition installation surface is provided between the third top plate transition installation back side and the third top plate installation back side.
[0058] The front transition mounting surface 6 is used for mounting the fixed bracket and the laser head housing 1. The back transition mounting surface is used for mounting the fixed bracket and the fixed platform.
[0059] The laser is a flash lamp pumped local oscillator plus power amplified NdYAG laser, with an output single pulse energy of 3J, a frequency of 100Hz, and a pulse width of 10ns. The laser housing 1 is a rectangular parallelepiped, 900mm long, 300mm wide, and 200mm high. Four transition mounting holes 4 are designed on the back of the laser housing 1, of which the spacing between the transition mounting holes 4 whose connecting lines are perpendicular to the long axis of the laser housing 1 is 200mm, and the spacing between the transition mounting holes 4 parallel to the long axis is 40mm. The laser is installed on the vehicle-mounted platform and together with the infrared detection equipment and TV tracking equipment, it forms an optoelectronic jamming system. After many field racing and jamming tests, the laser has good stability and meets the requirements of the vehicle-mounted system.
[0060] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0061] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A mobile platform laser, characterized in that: It includes a laser body, a fixing bracket and a fixing platform; The laser body includes a laser and a laser head shell; the laser is provided with a laser head shell The laser head housing is provided with 4 housing mounting holes; The fixed bracket includes a front bracket and a rear bracket; mounting holes are provided on both side bottom plates of the front bracket and the rear bracket; The front bracket top plate has a first transition mounting hole and a second transition mounting hole on both sides; the rear bracket top plate has a third transition mounting hole and a fourth transition mounting hole symmetrically formed in the center; The first transition mounting hole, the second transition mounting hole, the third transition mounting hole and the fourth transition mounting hole are connected to the four housing mounting holes correspondingly, so that the fixing bracket is fixed to the laser head housing; The two mounting holes of the front bracket and the two mounting holes of the rear bracket are correspondingly connected to the four mounting holes of the fixed platform so that the fixed bracket is fixed to the fixed platform.
2. The mobile platform laser according to claim 1, characterized in that: The front sides of the front bracket and the rear bracket are both convex structures.
3. The mobile platform laser according to claim 2, characterized in that: The top plate surface of the front bracket includes a first top plate transition mounting surface, a second top plate transition mounting surface and a first top plate mounting surface; the first top plate transition mounting surface and the second top plate transition mounting surface are arranged at both ends of the first top plate mounting surface; The first transition mounting hole is arranged on the first top plate transition mounting surface; the second transition mounting hole is arranged on the second top plate transition mounting surface.
4. The mobile platform laser according to claim 3, characterized in that: The back side of the front bracket is provided with a first boss and a second boss; the first boss and the second boss are used to reduce the stress of laser installation.
5. The mobile platform laser according to claim 4, characterized in that: The top plate surface of the rear bracket includes a third top plate transition mounting surface, a second top plate mounting surface and a third top plate mounting surface; the third top plate transition mounting surface is arranged between the second top plate mounting surface and the third top plate mounting surface; The third transition mounting hole and the fourth transition mounting hole are symmetrically arranged on the third top plate transition mounting surface.
6. The mobile platform laser according to claim 5, characterized in that: The back side of the rear bracket is provided with a third boss, a fourth boss and a fifth boss in sequence; the third boss, the fourth boss and the fifth boss are used to reduce the stress of laser installation.
7. The mobile platform laser according to claim 2, characterized in that: The connecting line of the first transition mounting hole and the second transition mounting hole is perpendicular to the long axis of the laser head housing; the distance between the first transition mounting hole and the second transition mounting hole is not less than 30 mm; The connecting line of the third transition mounting hole and the fourth transition mounting hole is perpendicular to the short axis of the laser head housing; the distance between the third transition mounting hole and the fourth transition mounting hole is not greater than the length of the short axis of the laser head housing.
8. The mobile platform laser according to claim 1, characterized in that: Both sides of the front bracket and the rear bracket are provided with symmetrical stepped platforms; and mounting holes are provided on the stepped platforms.
9. The mobile platform laser according to claim 1, characterized in that: The front and back bottom sides of the front bracket are provided with protrusions for reducing the contact area between the front bracket surface and the contact surface; Protrusions are provided at the middle positions of the bottom of the front and back sides of the rear bracket, which are used to reduce the contact area between the rear bracket surface and the contact surface.
10. The mobile platform laser according to claim 6, characterized in that: The back side of the top plate of the front bracket includes a first top plate transition installation back side, a second top plate transition installation back side and a first top plate installation back side; a first back side transition installation surface is provided between the first top plate transition installation back side and the first top plate installation back side; a second back side transition installation surface is provided between the second top plate transition installation back side and the first top plate installation back side; The back side of the top plate of the rear bracket includes a third top plate transition installation back side, a second top plate installation back side and a third top plate installation back side; a third back side transition installation surface is provided between the third top plate transition installation back side and the second top plate installation back side; a fourth back side transition installation surface is provided between the third top plate transition installation back side and the third top plate installation back side; The first top plate transition mounting surface, the second top plate transition mounting surface and the third top plate transition mounting surface are all used for the installation of the fixed bracket and the laser head housing; the first top plate transition mounting back surface, the second top plate transition mounting back surface and the third top plate transition mounting back surface are all used for the installation of the fixed bracket and the fixed platform.