Novel laser velocimeter protection box

Abstract

The utility model relates to the technical field of laser velocity measurement application, in particular to a novel laser velocimeter protection box, which comprises a protection box body, a light path extension lower pipe is fixedly mounted in the middle of the lower end of the protection box body, and the diameter of the inner pipe of the light path extension lower pipe is conical, so that the diameter of the light path extension lower pipe is smaller than that of an ascending pipe orifice. When the device is used, the pipe orifice of the light path extension lower pipe of the protection box body is subjected to conical reducing treatment, so that a large amount of emulsion aerial fog generated in a normal production process entering the light path extension pipe is reduced under the condition of ensuring that laser is emitted to the surface of strip steel in the protection box, and a lens of the laser velocimeter is not influenced; therefore, the use precision of laser measurement is influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of laser speed measurement applications, and particularly relates to a new type of laser speedometer protection box. Background Technique

[0002] A laser speedometer is a device that measures the moving distance of an object to be measured within a certain time interval by laser emission and calculates the moving speed of the object. It is used for on-line cutting monitoring of plates and pipes, length and speed measurement of cables or sandpapers, etc.; it is also applicable to speed and length measurement of objects on the surfaces of textiles such as flannelette and fur, coated or adhesive surfaces, and foamed rubber surfaces.

[0003] The optical path extension tubes of the existing laser speedometers on the market have the same caliber. During normal production, a large amount of emulsion aerosol is likely to enter the optical path extension tube through the lower pipe orifice, causing the lens in the laser speedometer protection box to become blurred and affecting the accuracy of laser measurement. Therefore, those skilled in the art have provided a new type of laser speedometer protection box to solve the problems raised in the above background technique. Content of the Utility Model

[0004] To solve the above technical problems, the utility model provides a new type of laser speedometer protection box, which includes a protection box body. A lower-middle part of the lower end of the protection box body is fixedly installed with an optical path extension lower tube. The inner tube caliber of the optical path extension lower tube is conical, so that the caliber of the optical path extension lower tube is smaller than the upper orifice, and it can ensure that the laser hits the strip surface. Thus, during normal production, the amount of emulsion aerosol entering the optical path extension tube pipeline becomes less and will not affect the lens of the laser speedometer. A lotion inlet and outlet is installed on the upper side end of the protection box body, and the lotion inlet and outlet is used for the flow and circulation of the lotion.

[0005] Preferably: The upper end of the protection box body is provided with an openable and closable box body window door through a hinge, and the openable and closable box body window door is used to coordinately control the laser speedometer installed in the protection box body to protect the stability and safety of the use of the laser speedometer.

[0006] Preferably: Handles are installed on the side end face, upper end face and box body window door of the protection box body, which is convenient for pushing and pulling the protection box body and increases the practicality.

[0007] Preferably: A plurality of fixing bolt seats are fixedly installed on the left and right sides of the lower end of the protection box body. The fixing bolt seats are used to fix the protection box body in the test area to cooperate with achieving darkness in the internal test area of the protection box body and the degree of vacuum in the test environment.

[0008] Preferably: A cable inlet is installed on the upper side end of the protection box body for the cable wires of the laser speedometer, and a protection box body air pressure interface is installed on the upper side end of the protection box body.

[0009] Preferably, a plurality of air compression interfaces of laser speed measuring instruments are arranged at the side end of the protection box body, and an inlet and outlet interface of a cooling water pipe circuit is installed at the lower side end of the protection box body to help the equipment dissipate heat and increase practicability.

[0010] Technical effects and advantages of the present utility model:

[0011] When the present utility model is in use, by performing a tapered diameter change treatment on the nozzle of the optical path extension lower pipe of the protection box body, while ensuring that the laser hits the surface of the strip steel inside the protection box, a large amount of emulsion aerosol generated during normal production enters the optical path extension pipe less, and will not affect the lens of the laser speed measuring instrument, thereby affecting the use accuracy of laser measurement. Description of the drawings

[0012] Figure 1 is a structural schematic diagram provided by this application;

[0013] Figure 2 is a structural schematic diagram of the compressed air pipe interface provided by this application;

[0014] In the figure: 1. Protection box body; 2. Box body window door; 3. Handle; 4. Fixed bolt seat; 5. Optical path extension lower pipe; 6. Cable inlet; 7. Protection box body air pressure interface; 8. Cooling water pipe circuit inlet and outlet interface; 9. Laser speed measuring instrument air compression interface. Specific embodiments

[0015] The following further describes the present utility model in detail with reference to the drawings and specific embodiments. The embodiments of the present utility model are given for the purpose of illustration and description, and are not exhaustive or limited to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present utility model, and enable those of ordinary skill in the art to understand the present utility model and thus design various embodiments with various modifications suitable for specific purposes.

[0016] Please refer to Figures 1 to 2 , in this embodiment, a new type of laser speed measuring instrument protection box is provided, including a protection box body 1. An openable and closable box body window door 2 is provided at the upper end of the protection box body 1 through a hinge. The openable and closable box body window door 2 is used to coordinately control the laser speed measuring instrument arranged in the protection box body 1 to protect the use stability and safety of the laser speed measuring instrument. Handles 3 are installed on the side end face, upper end face of the protection box body 1 and the box body window door 2 to facilitate the pushing and pulling operation of the protection box body 1 and increase practicability. A plurality of fixed bolt seats 4 are fixedly installed on the left and right sides at the lower end of the protection box body 1. The fixed bolt seats 4 are used to fix the protection box body 1 in the test area to cooperate with achieving darkness in the test area inside the protection box body 1 and the degree of vacuum in the test environment;

[0017] A light path extension lower pipe 5 is fixedly installed in the middle of the lower end of the protection box body 1. The inner pipe diameter of the light path extension lower pipe 5 is conical, so that the pipe diameter of the light path extension lower pipe 5 is smaller than the upward pipe orifice, and it can ensure that the laser hits the strip surface. Thus, a large amount of emulsion aerosol generated during the normal production process enters the light path extension pipe less, and will not affect the lens of the laser velocimeter. A cable inlet 6 is installed on the upper side end of the protection box body 1. The cable inlet 6 is for the cable wires of the laser velocimeter. A protection box body air pressure interface 7 is installed on the upper side end of the protection box body 1. Compressed air is introduced into the protection box body 1 by using the protection box body air pressure interface 7. Cooperating with a plurality of laser velocimeter air compression interfaces 9 arranged on the side end of the protection box body 1, it helps to maintain a positive pressure in the inner cavity of the box and avoid negative pressure suction on the outside world, so that the scattered and uniform emulsion enters the protection box body 1. A cooling water pipe loop inlet and outlet interface 8 is installed on the lower side end of the protection box body 1 to help the equipment dissipate heat and increase the practicality.

[0018] The working principle of the present utility model is:

[0019] When the present utility model is used, by adopting a conical diameter change treatment for the orifice of the light path extension lower pipe 5 of the protection box body 1, while ensuring that the laser hits the strip surface inside the protection box, a large amount of emulsion aerosol generated during the normal production process enters the light path extension pipe less, and will not affect the lens of the laser velocimeter, thus affecting the use accuracy of the laser measurement.

[0020] Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art and related fields without creative work shall fall within the protection scope of the present utility model. The structures, devices, and operation methods not specifically described and explained in the present utility model, unless otherwise specified and limited, shall be implemented according to the conventional means in the art.

Claims

1. A new type of laser velocimeter protection box, including a protection box body (1), characterized in that, A light path extension lower pipe (5) is fixedly installed in the middle of the lower end of the protection box body (1). The inner pipe diameter of the light path extension lower pipe (5) is conical, so that the pipe diameter of the light path extension lower pipe (5) is smaller than the upward pipe opening, and it can ensure that the laser hits the surface of the strip steel.

2. The novel laser speedometer protection box according to claim 1, characterized in that, A box body window door (2) that can be opened and closed is arranged at the upper end of the protection box body (1) through a hinge.

3. The novel laser speedometer protection box according to claim 2, characterized in that, Handles (3) are installed on the side end face, upper end face of the protection box body (1) and the box body window door (2).

4. A novel laser speedometer protection box according to claim 3, characterized in that, A plurality of fixing bolt seats (4) are fixedly installed on the left and right sides of the lower end of the protection box body (1).

5. A novel laser speedometer protection box according to claim 4, characterized in that, A cable inlet (6) is installed at the upper side end of the protection box body (1), and a protection box body air pressure interface (7) is installed at the upper side end of the protection box body (1).

6. A novel laser speedometer protection box according to claim 1, characterized in that, A plurality of laser velocimeter air compression interfaces (9) are arranged at the side end of the protection box body (1), and a cooling water pipe loop inlet and outlet interface (8) is installed at the lower side end of the protection box body (1).

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