CN210036601U - Light-emitting component for spectrum confocal displacement sensing probe - Google Patents

Abstract

The utility model provides a light-emitting component for confocal displacement sensing probe of spectrum, including probe housing, light source coupled system, leaded light optic fibre, printing opacity mirror. The probe shell is cylindrical and is divided into an upper shell and a lower shell which are detachably connected, and a light-transmitting mirror is fixedly arranged on the upper shell; the light source coupling system is internally and fixedly provided with a plurality of light-emitting pieces and light guide optical fibers with the same number as the light-emitting pieces, one ends of the light guide optical fibers are connected with the light-emitting pieces through slots, and the other ends of the light guide optical fibers are connected with the light-transmitting lenses on the upper shell of the probe shell. The light that the illuminating part sent, through leaded light optic fibre, conduct the probe casing on, outside the printing opacity mirror of rethread probe casing diverged the probe, formed the indicative function.

Description

Light-emitting component for spectrum confocal displacement sensing probe

Technical Field

The utility model relates to a confocal range finding field of spectrum especially relates to a light emitting component for confocal displacement sensing probe of spectrum.

Background

The spectrum confocal displacement sensor is a high-precision photoelectric displacement sensor, uses a multicolor light source, generates spectrum dispersion through a lens group, and focuses monochromatic light with different wavelengths to different axial positions so as to generate a corresponding relation between the wavelength and the displacement of a measured object; the surface of an object to be measured is reflected and focused to a filter by a lens group, and a spectrum peak is generated on a spectrometer by light waves passing through the filter, so that the peak position of a spectrum curve and the wavelength focused on the surface of the object to be measured generate a corresponding relation; the wavelength, the displacement of the measured object and the spectrum peak position are related, and then the displacement of the measured object can be reversely deduced through the spectrum peak position.

The existing spectrum confocal displacement sensor lacks an indicating system, and the indicating system of other similar devices indicates by sending out prompt light through an indicating lamp arranged in a probe, but the indicating lamp is directly arranged in the probe, the indicating lamp can generate heat due to the light emission of the indicating lamp, the probe can deform due to the heat conduction to the probe, various optical elements such as optical lenses are arranged on the probe, the position deviation of the optical elements can be caused by the deformation of the probe, the precision of the probe is influenced, and errors occur in measurement.

Accordingly, the prior art is yet to be improved and developed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in, to prior art's above-mentioned defect, provide a light-emitting component for confocal displacement sensing probe of spectrum, through with the illuminating part setting outside at the probe, with the probe separation to reduce the heat that produces when the illuminating part is luminous and to the influence of probe precision, reduce measuring error, improve measurement accuracy.

The utility model provides a technical scheme that technical problem adopted as follows:

a light emitting assembly for a spectral confocal displacement sensing probe comprises a probe shell, wherein,

further comprising:

the light-emitting piece is arranged in a light source coupling system separated from the probe shell and used for generating prompt light;

and one end of the light guide fiber is connected to the light source coupling system, the other end of the light guide fiber is connected to the side wall of the probe shell in an extending manner, and the light guide fiber is used for conducting the prompt light emitted by the light emitting piece.

Further, the light-emitting component for the spectrum confocal displacement sensing probe further comprises an optical filter which is arranged between the light-emitting piece and the light guide optical fiber and used for filtering infrared rays.

Furthermore, the light-emitting component is used for the spectrum confocal displacement sensing probe, a counter bore is formed in the side wall of the probe shell, and the light outlet end of the light guide optical fiber is fixedly connected to the bottom of the counter bore.

And furthermore, a light-emitting component for the spectrum confocal displacement sensing probe is provided, and a light-transmitting mirror is fixedly arranged at the opening end of the counter bore.

And the light-transmitting lens is a concave lens and is used for dispersing the light emitted by the light guide optical fiber.

Furthermore, the light-emitting component is used for the spectrum confocal displacement sensing probe, the probe shell is divided into an upper shell and a lower shell, the upper shell is detachably connected with the lower shell, and the light outlet end of the light guide optical fiber is fixedly connected onto the upper shell.

Furthermore, the light-emitting component is used for the spectrum confocal displacement sensing probe, the light guide optical fibers are arranged in a plurality, and the connecting positions of the light guide optical fibers and the probe shell are distributed on the side wall of the probe shell in a circumferential array mode.

Furthermore, the light-emitting component is used for the spectrum confocal displacement sensing probe, the light-emitting component is provided with a plurality of light-emitting components, and the light-emitting components correspond to the light guide optical fibers one to one.

Further, the light emitting component for the spectrum confocal displacement sensing probe is characterized in that the light emitting component is a bicolor LED lamp.

The beneficial effect who adopts above-mentioned scheme is: the utility model provides a light-emitting component for confocal displacement sensing probe of spectrum, separately set up light source coupled system and probe, the illuminating part of setting in light source coupled system realizes giving out light, and show on the probe casing after passing the leaded light through leaded light optic fibre, thereby realize producing thermal illuminating part and probe casing separation, the heat of production does not influence the probe casing, thereby reduce the heat that produces when the illuminating part is luminous to the influence of probe precision, reduce measuring error, improve measurement accuracy.

Drawings

Fig. 1 is an external structural schematic diagram of the spectral confocal displacement sensing probe of the present invention.

Fig. 2 is a cross-sectional view of a light emitting device for a spectral confocal displacement sensing probe according to the present invention.

Fig. 3 is a schematic view of a light-emitting member for a spectrum confocal displacement sensing probe according to the present invention.

Fig. 4 is a schematic diagram of a light guide fiber for a spectral confocal displacement sensing probe according to the present invention.

In the figure, 100, a probe housing; 110. an upper housing; 111. a counter bore; 120. a lower housing; 200. a light source coupling system; 210. a light emitting member; 300. a light guide optical fiber; 400. a slot; 500. an optical filter; 600. a light-transmitting mirror.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.

The spectrum confocal displacement sensor generally comprises a spectrum confocal displacement sensing probe and a light source coupling system, as shown in fig. 1, the utility model provides a light-emitting component for the spectrum confocal displacement sensing probe, which comprises a probe shell 100, wherein the probe shell 100 is preferably cylindrical, and the probe shell 100 is a part which is wrapped by the shell of the probe and is arranged in the protective probe; it is easily conceived that the probe housing 100 can be configured in other shapes according to the needs of the customer, such as a rectangular parallelepiped, a polygonal body, and other special shapes. As shown in fig. 2 and fig. 3, the spectral confocal displacement sensor includes a light source coupling system 200, the light source coupling system 200 is disposed separately from the probe housing 100 as a separate structure, and the light source coupling system 200 is generally used to generate polychromatic light, transmit the polychromatic light to the probe, and implement spectral confocal displacement detection. As shown in fig. 3, a buckle is further disposed in the light source coupling system 200 to facilitate detachment of the light emitting member 210 for generating the indication light. The illuminating part 210 is a double-color LED lamp, when the probe operates normally and the measured object is in an effective measuring area, the control system sends a control signal to light the illuminating part 210, and the illuminating part 210 sends green light to remind a user of operating normally and continuing to operate. When the probe is not operated normally or the object to be measured is not in the effective measuring area, the control system sends out a control signal to light the light emitting element 210, and the light emitting element 210 sends out red light to prompt the user that the operation is in trouble and needs to be corrected. The light emitting member 210 emits light of different colors, so that a user can know the use condition of the probe conveniently, and convenience is improved. It is contemplated that the glowing member 210 can also be configured to emit polychromatic light, such as yellow light emitted by the glowing member 210 when an object under test is placed in an effective measurement area but not in an optimal position. As shown in fig. 2 and 4, a light guide fiber 300 is disposed between the light source coupling system 200 and the probe housing 100, an optical input end of the light guide fiber 300 is connected to the light source coupling system 200, the preferred connection mode is that the light guide fiber is detachably connected to the light source coupling system, the light input end of the light guide fiber 300 faces the light emitting surface of the light emitting element 210, the probe housing 100 is provided with a slot 400, the other end (light output end) of the light guide fiber 300 is detachably connected to the sidewall of the probe housing 100 through the slot 400, the light guide fiber 300 is used for conducting the light emitted by the light emitting element 210 in the light source coupling system 200 to the sidewall of the probe housing 100, thereby realizing that the prompting light is emitted from the side wall of the probe casing 100, when the probe casing 100 is held by hand for position measurement, the human eyes can conveniently obtain the indicating light emitted from the probe shell 100, and the state of the placing position of the object can be judged through different colors of the indicating light. Maintenance and replacement of the light-guiding optical fiber 300 is facilitated by employing a detachable connection in the present embodiment. The light-emitting members 210 may be one or more, and when the light-emitting members 210 are one, the light-guiding optical fibers 300 transmit light of one light-emitting member 210, which may result in weaker light transmitted to the probe housing 100, and thus the light-guiding optical fibers 300 have a low degree of identification, so that the light-emitting members 210 in this embodiment are provided in plural, and are arranged in the light source coupling system 200 according to different arrangement modes according to different quantities, the light-guiding optical fibers 300 are provided in plural, the relationship between the light-emitting members 210 and the light-guiding optical fibers 300 is a one-to-one correspondence connection relationship, the light-guiding optical fibers 300 are symmetrically distributed or circumferentially distributed on the sidewall of the probe housing 100, and transmit light generated by the light-emitting members 210, so that the light is emitted from the probe housing 100 and then has a high. Preferably, the illuminating part is provided with 2 in this embodiment, under the prerequisite of guaranteeing good suggestion effect, adopt less illuminating part in order to reduce the influence of the light of transmission to the probe, illuminating part bilateral symmetry arranges in light source coupled system 200, fix in light source coupled system 200 through buckle and threaded connection, light guide fiber 300 also is provided with 2, be connected with the illuminating part through slot 400 respectively, the light-emitting end of two light guide fiber 300 is bilateral symmetry setting on the probe casing, the instruction light that the illuminating part sent can pass through light guide fiber 300's conduction, shoot out from each direction, the user can follow each angle and observe probe behavior.

As shown in fig. 2 and 4, an optical filter 500 is fixedly disposed between the light emitting element 210 and the light incident end of the light guide fiber 300, the optical filter 500 is fixedly disposed between the light emitting element and the light guide fiber 300, and the optical filter 500 is used for filtering infrared rays, so as to reduce the influence on the accuracy of the probe caused by the heat deformation of the probe housing 100 when the infrared rays with high thermal effect are transmitted to the position of the probe housing 100.

As shown in fig. 2 and 4, a counterbore 111 is formed in the side wall of the probe housing 100, a slot 400 connected to the light-emitting end of the light guide fiber 300 is formed at the bottom of the counterbore 111, and the light-emitting end of the light guide fiber 300 is detachably connected to the bottom slot 400 of the counterbore 111; through the arrangement of the counter bore 111, the connection position of the light guide optical fiber 300 is avoided on the probe shell 100, and the user is prevented from touching the light guide optical fiber 300 in the using process, so that the light guide optical fiber 300 is influenced, or the connection position of the light guide optical fiber 300 and the probe shell 100 is damaged.

As shown in fig. 2 and 4, the open end of the counterbore 111 is provided with a transparent mirror 600 through bonding fixation, the transparent mirror 600 is made of glass or plastic, the transparent mirror 600 can be a plane mirror or a concave lens, the light outlet end of the light guide fiber 300 can be protected by the plane transparent mirror 600, the concave lens is preferred in the embodiment, the concave lens can disperse and conduct the light transmitted by the light guide fiber 300 from the light emitting element 210 to the outside of the probe, so that the light indicating range is wider, and the observation by a user is facilitated.

As shown in fig. 2 and 4, the probe housing 100 is provided in two parts, including an upper housing 110 and a lower housing 120, where the upper housing 110 and the lower housing 120 are both cylindrical, the upper housing 110 and the lower housing 120 are in threaded or snap fit to realize detachable connection, and a light exit end of the light guide fiber 300 is connected to a counterbore 111 of the upper housing 110; other precise optical components of the probe are arranged on the lower shell 120, when the light guide optical fiber 300 conducts light emitted from the light emitting element 210, heat is inevitably generated, the upper shell 110 and the lower shell 120 are separately arranged, so that a fit clearance is generated between the upper shell 110 and the lower shell 120 in the assembling process, most of the heat of the light guide optical fiber 300 is conducted on the upper shell 110, and the fit clearance between the upper shell 110 and the lower shell 120 can offset the deformation quantity generated by the upper shell 110 due to heating, thereby reducing the influence of the generated heat on the lower shell 120 and high-precision elements in the lower shell 120, and improving the precision of the probe.

To sum up, the utility model provides a light-emitting component for confocal displacement sensing probe of spectrum, separately set up light source coupled system 200 and probe, the illuminating part 210 that sets up in light source coupled system 200 realizes luminous to conduct through leaded light optic fibre 300, then show on probe casing 100, thereby separate thermal illuminating part 210 with probe casing 100, thereby reduce the influence of the heat that produces when illuminating part 210 gives out light to the probe precision, reduce measuring error, improve measurement accuracy; the infrared rays are filtered through the filter 500, further reducing the amount of heat transferred. The probe shell is arranged into the upper shell 110 and the lower shell 120 which are detachable, so that a small amount of generated heat is concentrated on the upper shell 110 and does not influence the main optical components of the lower shell 120, thereby reducing the measurement error and improving the measurement precision.

It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims (9)

1. A light-emitting component for a spectrum confocal displacement sensing probe comprises a probe shell, and is characterized by further comprising:

the light-emitting piece is arranged in a light source coupling system separated from the probe shell and used for generating prompt light;

and one end of the light guide fiber is connected to the light source coupling system, the other end of the light guide fiber is connected to the side wall of the probe shell in an extending manner, and the light guide fiber is used for conducting the prompt light emitted by the light emitting piece.

2. The light-emitting assembly for a spectral confocal displacement sensing probe according to claim 1, wherein a filter for filtering infrared rays is arranged between the light-emitting piece and the light-incoming end of the light-guiding optical fiber.

3. The light-emitting assembly for the spectral confocal displacement sensing probe according to claim 1, wherein a counterbore is formed in a side wall of the probe housing, and a light emitting end of the light guide fiber is fixedly connected to the bottom of the counterbore.

4. The light-emitting assembly for a spectroscopic confocal displacement sensing probe of claim 3, wherein a light-transmitting mirror is fixedly disposed at an open end of the counterbore.

5. The light emitting assembly for a spectral confocal displacement sensing probe of claim 4, wherein the optically transparent mirror is a concave lens for diverging the light emitted by the light guiding fiber.

6. The light-emitting assembly for a spectral confocal displacement sensing probe according to claim 1, wherein the probe housing is divided into an upper housing and a lower housing, the upper housing is detachably connected with the lower housing, and the light-emitting end of the light-guiding optical fiber is fixedly connected to the upper housing.

7. The light-emitting assembly for a spectral confocal displacement sensing probe according to any one of claims 1 to 6, wherein the light guide optical fiber is provided in a plurality, and the connection positions of the light guide optical fibers and the probe shell are distributed on the side wall of the probe shell in a circumferential array.

8. The light-emitting assembly for a spectral confocal displacement sensing probe according to claim 7, wherein a plurality of light-emitting members are provided, and the plurality of light-emitting members correspond to the plurality of light-guiding optical fibers one to one.

9. The light-emitting assembly for a spectroscopic confocal displacement sensing probe of claim 1, wherein the light-emitting piece is a bi-color LED lamp.

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