Laser light adjusting device

Abstract

The utility model provides a laser light ray adjusting device, comprising a fixed base which is detachably arranged in a camera; the laser is arranged on the fixed base and is connected with external equipment; the number of the driving components is two, the two driving components are arranged at one end of the fixed base, and the two driving components are correspondingly arranged; the number of the shielding doors is two, the shielding doors are arranged at the moving end of the driving component, the two shielding doors are arranged in a staggered mode, notches are formed in the ends of the shielding doors, and light emitted by the laser can penetrate through the notches; the control driving component is responded to drive the shielding door to move, and then the opening size of the notch is adjusted so as to adjust the length of light emitted by the laser. The laser light adjusting device provided by the utility model can realize efficient and accurate laser light length adjustment, and meets actual application requirements.

Description

Technical Field

[0001] The utility model belongs to the technical field of intelligent camera photography, and in particular relates to a laser light adjustment device. Background Art

[0002] At present, surveillance cameras are installed in important outdoor places, which can intervene in illegal behaviors in the surveillance area. Then, lasers are used to draw warning lines on the ground to mark the surveillance field of view. However, during the actual investigation, technicians found that traditional lasers do not have the adjustment function, that is, they only emit laser beams of a fixed length, which cannot meet the precise adjustment of the laser beam length, resulting in inaccurate division of warning areas and warning lines, and it is difficult to meet the actual monitoring needs. Summary of the invention

[0003] In view of this, the utility model aims to provide a laser light adjustment device to solve the problem that the length of the laser light cannot be accurately adjusted.

[0004] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0005] The utility model provides a laser light adjustment device, comprising:

[0006] A fixed base, wherein the fixed base is detachably arranged in the camera;

[0007] A laser, which is arranged on the fixed base and connected to an external device;

[0008] A driving member, wherein the number of the driving members is two, the two driving members are arranged at one end of the fixed base, and the two driving members are arranged correspondingly;

[0009] A shielding door, wherein the number of the shielding doors is two, the shielding doors are arranged at the moving end of the driving member, and the two shielding doors are staggered, and a notch is opened at the end of the shielding door, and the light emitted by the laser can pass through the notch;

[0010] In response to controlling the driving component to drive the shielding door to move, the opening and closing size of the gap is adjusted to adjust the length of the light emitted by the laser.

[0011] Furthermore, a mounting portion is extended upward from the upper end surface of the fixed base, and a penetrating accommodating cavity is formed on the mounting portion;

[0012] The laser is detachably arranged in the accommodating cavity.

[0013] Furthermore, the driving component comprises a driving motor, a fixed end of the driving motor is arranged at an end of the fixed base, and two driving motors are staggered.

[0014] Further, the shielding door is detachably arranged at the moving end of the driving motor, and the shielding door is located at the upper end of the driving motor;

[0015] The shielding door is of L-shaped structure, the notch is of U-shaped configuration, and the notch is located at the side end of the shielding door.

[0016] Furthermore, a space is reserved between the shielding door close to the laser and the mounting portion.

[0017] Furthermore, the two shielding doors are arranged in parallel;

[0018] In response to the lateral movement of the two shielding doors, the opening and closing sizes of the two gaps are adjusted.

[0019] Furthermore, the driving motor is a lead screw motor.

[0020] Compared with the prior art, the laser light adjustment device described in the utility model has the following features:

[0021] Beneficial effects:

[0022] The utility model discloses a laser light adjustment device, which achieves efficient and accurate light length adjustment by setting a fixed base in a camera, utilizing a laser, a driving component and a shielding door arranged on the fixed base, controlling the driving component and the shielding door, and utilizing a notch arranged on the shielding door to adjust the opening and closing size of the notch, thereby achieving efficient and accurate light length adjustment; the adjustment device is used in conjunction with a camera, utilizing the laser light emitted by the laser and the image collected by the camera to form a warning area, thereby achieving interference with illegal behaviors in the monitoring area for evidence collection and investigation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0024] Figure 1 This is a schematic diagram of the first angle structure of a laser light adjustment device according to an embodiment of the utility model;

[0025] Figure 2 This is a schematic diagram of the second angle structure of a laser light adjustment device according to an embodiment of the utility model;

[0026] Figure 3A top view of a laser light adjustment device according to an embodiment of the utility model;

[0027] Figure 4 This is a schematic diagram of the fixed base structure described in an embodiment of the utility model.

[0028] Description of reference numerals:

[0029] 1-fixed base; 2-laser; 3-driving motor; 4-shielding door; 5-gap. DETAILED DESCRIPTION

[0030] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0031] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0032] See also Figures 1 to 3 As shown, this embodiment provides a laser 2 light adjustment device, including:

[0033] A fixed base 1, which is detachably arranged in the camera;

[0034] Laser 2, laser 2 is arranged on the fixed base 1 and connected with external equipment;

[0035] Driving components, the number of driving components is two, the two driving components are arranged at one end of the fixed base 1, and the two driving components are arranged correspondingly;

[0036] The shielding door 4 is two in number, and the shielding door 4 is arranged at the moving end of the driving member, and the two shielding doors 4 are arranged in a staggered manner, and a notch 5 is opened at the end of the shielding door 4, and the light emitted by the laser 2 can pass through the notch 5;

[0037] In response to the control driving component, the shielding door 4 is driven to move, thereby adjusting the opening and closing size of the gap 5 to adjust the length of the light emitted by the laser 2.

[0038] Specifically, in this embodiment, the fixed base 1 can be fixed in the camera by bonding or screwing, and the laser 2 is fixedly mounted on the fixed base 1 and connected to an external device to ensure the normal operation of the laser 2. The present application sets two driving components at the end of the fixed base 1, and sets a shielding door 4 at the moving end of the driving component to control the movement of the driving component to drive the shielding door 4 to move horizontally, thereby adjusting the opening and closing size of the gap 5. The light emitted by the laser 2 passes through the gap 5 and irradiates. By adjusting the opening and closing size of the gap 5, the precise adjustment of the light length is achieved.

[0039] The laser 2 light adjustment device described in this embodiment is achieved by setting a fixed base 1 in a camera, utilizing the laser 2, driving component and shielding door 4 arranged on the fixed base 1, controlling the driving component and the shielding door 4, and utilizing the notch 5 arranged on the shielding door 4 to adjust the opening and closing size of the notch 5, thereby achieving efficient and accurate light length adjustment; the adjustment device is used in conjunction with the camera, utilizing the laser light (laser beam) emitted by the laser 2 and the image collected by the camera to form a warning zone, thereby achieving interference with illegal behaviors in the monitoring area for evidence collection and investigation.

[0040] In some embodiments, Figure 4 As shown, a mounting portion extends upward from the upper end surface of the fixed base 1, and a through accommodating cavity is formed on the mounting portion;

[0041] The laser 2 is detachably arranged in the accommodating cavity.

[0042] Specifically, in this embodiment, a mounting portion is provided on the upper end surface of the fixed base 1, and the mounting portion is located at the midline position of the fixed base 1. The mounting portion and the fixed base 1 are integrally provided, and a accommodating cavity is provided in the mounting portion. The laser 2 can be installed in the accommodating cavity by bonding, screw fixing or clamping.

[0043] In some embodiments, Figures 1 to 3 As shown, the driving component includes a driving motor 3, a fixed end of the driving motor 3 is arranged at the end of the fixed base 1, and two driving motors 3 are staggered.

[0044] Specifically, in this embodiment, in order to avoid obstruction of the two shielding doors 4 during the adjustment process, the two driving motors 3 are staggered; at the same time, the driving motor 3 described in this embodiment adopts a screw motor, which is a two-phase four-wire (A+, A-, B+, B-) 4.4mm stepper motor with an outer diameter of 4.9mm and a full-metal planetary reducer. The reducer contains full-metal gears that can drive the precision bevel groove lead screw to push the metal slider to move. The shielding door 4 is set on the metal slider, thereby driving the shielding door 4 to move.

[0045] It should be noted that in this embodiment, the user can control the smart device (such as a smart camera) through the mobile phone app, the smart device (such as a smart camera) controls the lead screw motor, and the lead screw motor controls and adjusts the shielding door 4 to achieve precise adjustment of the length of the laser 2 (linear laser 2). This embodiment does not involve improvements to the logical control of the lead screw motor, so it will not be described in detail here.

[0046] In some embodiments, Figures 1 to 3 As shown, the shielding door 4 is detachably arranged at the moving end of the driving motor 3, and the shielding door 4 is located at the upper end of the driving motor 3;

[0047] The shielding door 4 is an L-shaped structure, the notch 5 is a U-shaped structure, and the notch 5 is located at the side end of the shielding door 4;

[0048] A gap is reserved between a shielding door 4 near the laser 2 and the mounting portion;

[0049] Two shielding doors 4 are arranged in parallel;

[0050] In response to the lateral movement of the two shielding doors 4 , the opening and closing sizes of the two gaps 5 are adjusted.

[0051] Specifically, in the present embodiment, the two shielding doors 4 are L-shaped, and a U-shaped notch 5 is provided on the side of the shielding door 4 away from the fixed end thereof, and a gap is reserved between the two shielding doors 4 to ensure the smooth movement of the two shielding doors 4; at the same time, in order to meet the actual use requirements of the laser beam emitted by the laser 2, a spacing is reserved between a shielding door 4 close to the laser 2 and the installation part, and the setting distance of the spacing can be arranged according to actual needs.

[0052] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.

[0053] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A laser light adjustment device, characterized in that: include: A fixed base, wherein the fixed base is detachably arranged in the camera; A laser, which is arranged on the fixed base and connected to an external device; A driving member, wherein the number of the driving members is two, the two driving members are arranged at one end of the fixed base, and the two driving members are arranged correspondingly; A shielding door, wherein the number of the shielding doors is two, the shielding doors are arranged at the moving end of the driving member, and the two shielding doors are staggered, and a notch is opened at the end of the shielding door, and the light emitted by the laser can pass through the notch; In response to controlling the driving component to drive the shielding door to move, the opening and closing size of the gap is adjusted to adjust the length of the light emitted by the laser.

2. A laser light adjustment device according to claim 1, characterized in that: The upper end surface of the fixed base is provided with a mounting portion extending upward, and the mounting portion is provided with a penetrating accommodating cavity; The laser is detachably arranged in the accommodating cavity.

3. A laser light adjustment device according to claim 2, characterized in that: The driving component comprises a driving motor, a fixed end of the driving motor is arranged at an end of the fixing base, and two driving motors are staggered.

4. A laser light adjustment device according to claim 3, characterized in that: The shielding door is detachably arranged at the moving end of the driving motor, and the shielding door is located at the upper end of the driving motor; The shielding door is of L-shaped structure, the notch is of U-shaped configuration, and the notch is located at the side end of the shielding door.

5. A laser light adjustment device according to claim 4, characterized in that: A gap is reserved between the shielding door close to the laser and the mounting portion.

6. A laser light adjustment device according to claim 4, characterized in that: The two shielding doors are arranged in parallel; In response to the lateral movement of the two shielding doors, the opening and closing sizes of the two gaps are adjusted.

7. A laser light adjustment device according to claim 3, characterized in that: The driving motor is a lead screw motor.

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