CN221173834U - Spectrum testing device for femtosecond laser - Google Patents

Abstract

The utility model relates to the field of femtosecond lasers, in particular to a spectrum testing device for a femtosecond laser. The device comprises a detection body and a heat conducting cover. The heat conduction cover sets up along a lateral wall, top and another lateral wall of the detection body in proper order, and the one end of heat conduction cover is connected with the fan, and the heat conduction cover includes the disperse section and links up the circulation section with the disperse section, and one side near the fan is located to the disperse section, is equipped with the flabellum in the disperse section, is equipped with the division board in the circulation section, and the division board is with heat conduction cover internal partition into a plurality of ventilation channel. According to the utility model, the heat-conducting cover is arranged outside the detection body, hot air or cold air is introduced into the heat-conducting cover as required, air flow is formed on the outer surface of the detection body, heat exchange between the detection body and the outside is realized by utilizing the air flow, the temperature regulation of the detection body is realized while the stability of the internal environment of the detection body is ensured, the circulated air is utilized for heat exchange to prevent local overheating, and the circulating channel is arranged to be matched with the fan blades to ensure that the air is uniformly dispersed, so that the heat exchange is uniform.

Description

Spectrum testing device for femtosecond laser

Technical Field

The utility model relates to the field of femtosecond lasers, in particular to a spectrum testing device for a femtosecond laser.

Background

The spectrum detection device is mainly used for analyzing the wavelength and intensity of laser in a femtosecond laser, and the working principle is based on the chromatic dispersion phenomenon of light, so that the laser can be decomposed into light with different wavelengths, and the intensity of the light can be detected. The spectrum detection device is high in cost, the humidity and the temperature of the use environment have great influence on the testing precision, and the existing spectrum detection device is provided with a heating component only on one side of the device, so that the adjustment of the internal temperature when the internal temperature is too high can not be realized, and meanwhile, the problem of uneven temperature adjustment also exists.

Disclosure of utility model

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings hereof.

The utility model aims to overcome the defects and provide a spectrum testing device for a femtosecond laser, which has the advantages of uniform heat exchange and adjustable temperature and humidity in an instrument.

The utility model provides a spectrum testing device for a femtosecond laser, which comprises a detection body and a heat conduction cover. This heat conduction cover sets up along a lateral wall, top and another lateral wall of this detection body in proper order, and the one end of this heat conduction cover is connected with the fan, and this heat conduction cover includes the dispersion section and links up the circulation section with this dispersion section, and this dispersion section is located the one side that is close to this fan on this heat conduction cover, is equipped with the flabellum in this dispersion section, is equipped with at least one division board in this circulation section, and this division board is with this heat conduction cover internal separation into a plurality of ventilation channel.

In some embodiments, the left and right side walls of the test body are provided with vent holes.

In some embodiments, the device further comprises a check member embedded in the vent hole, the check member comprising a cavity having an opening therein and a flap located on a side of the cavity adjacent to the thermally conductive cover and hinged over the opening, the flap covering the opening.

In some embodiments, the leaflet includes a cross brace that is hinged to the cavity and a flap that is connected to the cross brace.

In some embodiments, the area of the leaflet is greater than the area of the opening.

In some embodiments, a heating plate is disposed between the fan blade and the blower.

In some embodiments, a baffle cover is arranged on the inner wall of the detecting body at a position corresponding to each vent hole, and an air inlet of each baffle cover is arranged clockwise along the wind direction.

By adopting the technical scheme, the utility model has the beneficial effects that:

According to the utility model, the heat-conducting cover is arranged outside the detection body, hot air or cold air can be introduced into the heat-conducting cover as required, air flow is formed on the outer surface of the detection body, heat exchange between the detection body and the outside is realized by utilizing the air flow, the temperature regulation of the detection body is realized while the stability of the internal environment of the detection body is ensured, the circulated air is utilized for heat exchange to prevent local overheating, and a plurality of circulation channels are arranged to be matched with the fan blades to ensure that the air is uniformly dispersed, so that the heat exchange is uniform.

According to the utility model, the side wall of the detection body is provided with the vent holes, the air flow formed by the side wall of the detection body drives the air in the shell to flow outwards, and the air flow is used for reducing the humidity in the detection body and preventing the air flow from affecting the detection result quickly; the check piece is arranged to prevent external wind flow from entering the detection body to influence the detection environment, the baffle cover is arranged to reduce the air flow speed in the detection body, and the gas exchange speed is prevented from influencing the detection precision too fast.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

It is apparent that these and other objects of the present utility model will become more apparent from the following detailed description of the preferred embodiments, which is to be read in connection with the accompanying drawings and figures.

The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular description of the preferred embodiments, as illustrated in the accompanying drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model, without limitation to the utility model.

In the drawings, like parts are designated with like reference numerals and are illustrated schematically and are not necessarily drawn to scale.

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only one or several embodiments of the utility model, and that other drawings can be obtained according to such drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of a spectrum testing apparatus for a femtosecond laser according to the present utility model;

FIG. 2 is an exploded view of the overall structure of a spectrum testing apparatus for a femtosecond laser according to the present utility model;

FIG. 3 is a top view of the interior of a dispersion section of a spectroscopic testing apparatus for a femtosecond laser according to the present utility model;

FIG. 4 is a cross-sectional view of the A-plane of FIG. 1;

FIG. 5 is an exploded view of a check structure of a spectrum testing device for a femtosecond laser according to the present utility model;

FIG. 6 is a block diagram of a baffle housing of a spectroscopic testing apparatus for a femtosecond laser according to the present utility model.

The main reference numerals illustrate:

1. a detection body;

11. A baffle cover;

2. A heat conductive cover;

21. a dispersion section;

211. fan blades 212. Heating plates;

22. A flow-through section;

221. a partition plate;

3. A blower;

4. a check member;

41. a cavity;

411. Opening holes;

42. A loose leaf;

421. cross support, 422. Baffle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be further described in detail with reference to the following detailed description. It should be understood that the detailed description is presented merely to illustrate the utility model, and is not intended to limit the utility model.

Referring to fig. 1, 2 and 4, the present utility model provides a spectrum testing apparatus for a femtosecond laser, which includes a sensing body 1, a heat conduction cover 2, a blower 3 and a check 4.

Referring to fig. 2, the heat conductive cover 2 is sequentially disposed along one side wall, the top and the other side wall of the sensing body 1, one end of the heat conductive cover 2 is connected to the blower 3, and the other end of the heat conductive cover 2 is communicated with the outside. The heat-conducting cover 2 comprises a dispersion section 21 and a flow-through section 22 connected to the dispersion section 21. The dispersing section 21 is located on the side of the heat conductive cover 2 near the fan 3, referring to fig. 3, and fan blades 211 are disposed in the dispersing section 21. Referring to fig. 2, at least one partition plate 221 is disposed in the circulation section 22, and the partition plate 221 partitions the inside of the heat conductive cover 2 into a plurality of ventilation channels. The side walls of the left and right sides of the detecting body 1 are provided with ventilation holes. The check 4 is inserted into the vent hole, and referring to fig. 5, the check 4 includes a cavity 41 and a hinge 42. The cavity 41 is internally provided with an opening 411, the opening 411 is communicated with the inside of the detecting body 1 and the heat conducting cover 2, the hinge 42 is positioned on one side of the cavity 41 close to the heat conducting cover 2 and hinged above the opening 411, specifically, the hinge 42 comprises a cross support 421 and a baffle 422, the cross support 421 is hinged with the cavity 41, the baffle 422 is connected with the cross support 421, the cross support 421 is made of a hard material with small mass, and the baffle 422 can be made of paper board or air-tight cloth. The flap 42 covers the opening 411, and the area of the flap 42 is larger than the area of the opening 411. A heating plate 212 may be disposed between the fan blade 211 and the fan 3, and the heating plate 212 may be formed by interlacing iron wires having a heating function. Referring to fig. 6, a baffle 11 is provided on the inner wall of the test body 1 at a position corresponding to each vent hole, and the air inlet of each baffle 11 is provided clockwise along the wind direction.

Working principle: the detection piece is used for spectrum test of the femtosecond laser, the temperature in the detection body 1 can change along with the temperature change of laser in the detection process, at the moment, cold air or hot air is introduced into the heat conduction cover 2 through the fan 3, so that the heat transfer between the inside of the detection body 1 and the outside is realized, and the temperature regulation of the detection environment is realized; the air with certain flow rate in the heat conduction cover 2 passes through the hinge 42, so that the pressure intensity on one side of the hinge 42 is reduced to drive the hinge 42 to rotate, the air exchange in the detection body 1 is realized, and the environmental humidity is reduced.

It is to be understood that the disclosed embodiments are not limited to the specific process steps or materials disclosed herein, but are intended to extend to equivalents of such features as would be understood by one of ordinary skill in the relevant arts. It is also to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting.

Reference in the specification to "an embodiment" means that a particular feature, or characteristic, described in connection with the embodiment is included in at least one embodiment of the utility model. Thus, appearances of the phrase or "an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment.

Furthermore, the described features or characteristics may be combined in any other suitable manner in one or more embodiments. In the above description, certain specific details are provided, such as thicknesses, numbers, etc., to provide a thorough understanding of embodiments of the utility model. One skilled in the relevant art will recognize, however, that the utility model can be practiced without one or more of the specific details, or with other methods, components, materials, etc.

Claims (7)

1. A spectrum testing arrangement for femto second laser instrument, a serial communication port, including detecting body and heat conduction cover, this heat conduction cover sets up along a lateral wall, top and another lateral wall of this detecting body in proper order, and the one end of this heat conduction cover is connected with the fan, and this heat conduction cover includes the dispersion section and links up the circulation section with this dispersion section, and this dispersion section is located the one side that is close to this fan on this heat conduction cover, is equipped with the flabellum in this dispersion section, is equipped with at least one division board in this circulation section, and this division board separates into a plurality of ventilation channel with this heat conduction cover internal partition.

2. The spectrum testing apparatus for a femtosecond laser according to claim 1, wherein the left and right side walls of the detection body are provided with vent holes.

3. The spectroscopic testing apparatus for a femtosecond laser of claim 2, further comprising a check member embedded in the vent hole, the check member including a cavity having an opening therein and a hinge located at a side of the cavity adjacent to the thermally conductive cover and hinged above the opening, the hinge covering the opening.

4. A spectroscopic testing device for a femtosecond laser as defined in claim 3 wherein the hinge includes a cross bracket hinged to the cavity and a baffle connected to the cross bracket.

5. A spectroscopic testing device for a femtosecond laser as defined in claim 3 wherein the area of the leaflet is larger than the area of the opening.

6. The spectroscopic testing apparatus of claim 1, wherein a heating plate is provided between the fan blade and the blower.

7. The spectrum testing apparatus for a femtosecond laser according to claim 2, wherein a baffle cover is provided on an inner wall of the test body at a position corresponding to each of the ventilation holes, and an air inlet of each of the baffle covers is provided clockwise in a wind direction.