Glass insulator and laser sensor

Abstract

The utility model discloses a glass insulator and a laser sensor, the glass insulator comprises a glass main body and a pre-fixing assembly arranged between the glass main body and a metal base, the pre-fixing assembly comprises a protruding member arranged on the metal base or the glass main body, and a fixing member arranged on the protruding member, and the limiting surface is arranged on the glass main body or the metal base and is matched with the convex piece. The stability between the glass main body and the metal base is improved before sintering, so that the glass main body and the metal base can be kept relatively static in the sintering process, the gap between the glass main body and the metal base after sintering is reduced, the internal sealing performance of the laser sensor is improved, the service life is prolonged, operation is better performed during sintering, and the service life of the laser sensor is prolonged. And the sintered whole appearance is more attractive, the loss during sintering is reduced, and the yield is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser technology field especially relates to a glass insulator and laser sensor. BACKGROUND

[0002] The laser sensor is a sensor for measuring by using laser technology. It is composed of a laser, a laser detector and a measuring circuit. The laser sensor is a new type of measuring instrument, which has the advantages of non-contact long-distance measurement, high speed, high precision, large range and strong anti-light and anti-electricity interference ability. When the laser sensor works, the laser pulse is emitted by the laser emitting diode aiming at the target. After the reflection of the target, the laser scatters in all directions. Part of the scattered light returns to the sensor receiver and is imaged on the photodiode after being received by the optical system. The photodiode is an optical sensor with amplification function inside, so it can detect extremely weak light signals and convert them into corresponding electrical signals.

[0003] In the process of manufacturing the laser sensor, the glass insulator needs to be sintered between the pin wire and the metal base to play the role of insulation and fixation. However, in some existing laser sensors, the glass insulator cannot be stably fixed with the metal base, and the glass insulator is easy to shake or fall off during sintering, causing gaps between the glass insulator and the pin wire and the metal base, affecting the sealing performance and service life of the internal part, and the appearance is not beautiful, affecting the yield. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is to provide a glass insulator and a laser sensor.

[0005] The utility model adopts the technical scheme to solve the technical problem: a glass insulator is constructed, which comprises a glass main body and a pre-fixing assembly arranged between the glass main body and a metal base. The pre-fixing assembly comprises a protruding piece arranged on the metal base or the glass main body, and a limiting surface arranged on the glass main body or the metal base and matched with the protruding piece.

[0006] Further, the plurality of protruding pieces are all arc columnar.

[0007] Further, the axis of the arc columnar protruding piece is parallel to the axis of the glass main body.

[0008] Further, the axis of the arc columnar protruding piece is inclined to the axis of the glass main body, and each arc columnar protruding piece is provided with a through groove in communication.

[0009] Further, the protruding piece is spiral, and the limiting surface is a spiral groove matched with the spiral protruding piece.

[0010] Further, the convex piece is dome-shaped, and the limiting surface is an arc groove matched with the dome shape.

[0011] The utility model discloses still structure a kind of laser sensors, it include: metal base, laser transmission module, pin wire, protection component and glass insulator;The laser transmission module is installed on the metal base, the glass insulator is installed in the metal base, the pin wire is electrically connected on the laser transmission module by the glass insulator, and the protection component is buckled and installed on the metal base;The glass insulator includes: glass main body and the pre-fixing component for pre-fixing between glass main body and metal base, and the pre-fixing component includes: the convex piece on the metal base or the glass main body, and the limiting surface matched with the convex piece on the glass main body or the metal base.

[0012] Further, the laser sensor further includes an insulating layer sintered between the glass main body, the pin wire and the metal base, and the metal base lower portion is provided with a groove for storing the insulating layer.

[0013] Further, the laser transmission module includes: chip, laser diode, photodiode and lens, the chip and the laser diode are both installed on the metal base, the metal base is provided with a storage groove, the photodiode is installed in the storage groove, the lens is installed on the metal base, covers the storage groove, and the laser diode, the photodiode and the pin wire are all electrically connected with the chip.

[0014] Further, the protection component includes: metal pipe cap and glass cover, the metal pipe cap is buckled on the metal base, the metal pipe cap is provided with a through hole communicated with the outside, and the glass cover is installed on the metal pipe cap and shields the through hole.

[0015] The utility model has the following beneficial effects:

[0016] The pre-fixing component includes: the convex piece on the metal base or the glass main body, and the limiting surface matched with the convex piece on the glass main body or the metal base. The pre-fixing component can increase the friction between the glass main body and the metal base, improve the stability between the glass main body and the metal base before sintering, keep the glass main body and the metal base relatively static during sintering, reduce the gap between the glass main body and the metal base after sintering, improve the sealing of the laser sensor, prolong the service life, make the operation better during sintering, make the whole appearance after sintering more beautiful, reduce the loss during sintering, and improve the yield. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the present application, the present application will be further described below in conjunction with the accompanying drawings and embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0018] In the drawings:

[0019] Figure 1 is a structural schematic diagram of a laser sensor in some embodiments of the present application;

[0020] Figure 2 is a cross-sectional schematic diagram of a laser sensor in some embodiments of the present application;

[0021] Figure 3 is a structural schematic diagram of a glass insulator in some embodiments of the present application;

[0022] Figure 4 is a structural schematic diagram of a glass insulator in some embodiments of the present application;

[0023] Figure 5 is a cross-sectional schematic diagram of a glass insulator in some embodiments of the present application;

[0024] Figure 6 is a structural schematic diagram of a glass insulator in some embodiments of the present application.

[0025] Legend to the Figures

[0026] Metal base 1, laser transmission module 2, chip 21, laser diode 22, photodiode 23 and lens 24, storage groove 25, glass insulator 3, glass main body 4, pre-fixing assembly 5, protruding piece 51, limiting surface 52, through groove 53, pin wire 6, protection assembly 7, metal pipe cap 71, glass cover 72, insulating layer 8, recess 9. DETAILED DESCRIPTION

[0027] In order to have a clearer understanding of the technical features, objects and effects of the present application, the specific embodiments of the present application will be described in detail with reference to the drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "upper", "lower", "left", "right", "vertical", "horizontal", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail" and the like are based on the directions or positional relationships shown in the drawings, constructed and operated in a particular direction, and are only for the convenience of describing the present technical solution, and do not indicate that the indicated device or element must have a particular direction, therefore it cannot be understood as a limitation on the present application.

[0028] It should be further pointed out that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing", "setting" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements or the interaction relationship of two elements. When an element is referred to as "on" or "below" another element, the element can be "directly" or "indirectly" above the other element, or there can be one or more intermediate elements. The terms "first", "second", "third" and the like are only for the convenience of describing the present technical solution, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features, therefore, the features with "first", "second", "third" and the like can be explicitly or implicitly included one or more of the features. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] In the following description, specific details such as specific system structures, techniques, etc. are presented for the purpose of illustration, not for the purpose of limitation, so as to thoroughly understand the embodiments of the present application. However, it should be clear to those skilled in the art that the present application can also be implemented in other embodiments without these specific details. In other cases, detailed description of well-known systems, devices, circuits and methods is omitted to avoid unnecessary details that hinder the description of the present application.

[0030] Please refer to Figures 2 to 6 The utility model discloses a glass insulator, including: glass main body 4 and set up between glass main body 4 and metal base 1 pre fixed assembly 5, pre fixed assembly 5 includes: set up on metal base 1 or glass main body 4 protruding piece 51 and set up on glass main body 4 or metal base 1 with protruding piece 51 cooperation limiting surface 52.

[0031] The pre-fixing assembly 5 arranged between the glass main body 4 and the metal base 1 can increase the friction between the glass main body 4 and the metal base 1, improve the stability between the glass main body 4 and the metal base 1 before sintering, make the glass main body 4 and the metal base 1 relatively static during sintering, thereby reducing the gap between the glass main body 4 and the metal base 1 after sintering, improving the sealing of the inside of the laser sensor, thereby prolonging the service life, better operating during sintering, the overall appearance after sintering is more beautiful, reducing the loss during sintering, and improving the yield.

[0032] The protruding pieces 51 arranged on the metal base 1 or the glass main body 4 can pre-tighten the glass main body 4 through their own deformation, so that the plurality of protruding pieces 51 pre-tighten the glass main body 4 between the pin wire 6 and the metal base 1, thereby better operating during sintering, the overall appearance after sintering is more beautiful, reducing the loss during sintering, and improving the yield.

[0033] The limiting surface 52 arranged on the glass main body 4 or the metal base 1 and matched with the protruding piece 51 can further improve the friction between the glass main body 4 and the metal base 1 through the limiting surface 52 matched with the protruding piece 51, thereby more stably placing the glass insulator 3 between the metal base 1 and the pin wire 6, further improving the overall appearance after sintering, reducing the loss during sintering, and improving the yield.

[0034] Please refer to Figure 3 and Figure 4 In some embodiments, the plurality of protruding pieces 51 are all arc columnar.

[0035] The plurality of protruding pieces 51 are all arc columnar, the arc columnar protruding pieces 51 are more convenient to manufacture, have greater elasticity generated by their own deformation, can further improve the friction between the glass insulator 3 and the metal base 1, have lower manufacturing cost, and the arc columnar protruding pieces 51 can have better compression resistance to prevent damage during installation, thereby prolonging the service life, better operating during sintering, the overall appearance after sintering is more beautiful, reducing the loss during sintering, and improving the yield.

[0036] Please refer to Figure 4 In some embodiments, the axis of the arc columnar protruding piece 51 is parallel to the axis of the glass main body 4.

[0037] The axis of the arc-shaped columnar protruding piece 51 is parallel to the axis of the glass body 4. The parallel axis of the protruding piece 51 and the glass body 4 is more convenient for manufacturing, wherein the arc-shaped columnar protruding piece 51 can uniformly act on the glass body 4 when deformed, and is more convenient and labor-saving when installing the glass insulator 3. The extrusion force around the glass body 4 is more dispersed, further improving the pre-tightening force between the glass insulator 3 and the metal base 1, and is more convenient to operate during sintering.

[0038] When the arc-shaped columnar protruding piece 51 is arranged on the glass body 4, the arc-shaped columnar protruding piece 51 can be machined on the surface of the glass body 4 during machining of the glass body 4, thereby facilitating manufacturing and improving the overall connection strength of the glass insulator 3 and prolonging the service life. The limiting surface 52 is arranged in the inner wall of the mounting hole on the metal base 1 corresponding to the protruding piece 51, and the service life is prolonged by the cooperation of the protruding piece 51 and the limiting surface 52, the whole is more beautiful, and it is more convenient to operate during sintering.

[0039] When the arc-shaped columnar protruding piece 51 is arranged on the metal base 1, the glass body 4 of the glass insulator 3 is designed in a separated manner with the protruding piece 51, thereby allowing the glass insulator 3 to be added to the existing metal base 1, thereby saving manufacturing costs. The limiting surface 52 is arranged on the outer wall of the glass body 4 corresponding to the protruding piece 51, and the service life is prolonged by the cooperation of the protruding piece 51 and the limiting surface 52, the whole is more beautiful, and it is more convenient to operate during sintering.

[0040] Please refer to Figure 3 In some embodiments, the axis of the arc-shaped columnar protruding piece 51 is inclined to the axis of the glass body 4, and each arc-shaped columnar protruding piece 51 is provided with a through groove 53 in communication with each other.

[0041] The axis of the arc-shaped columnar protruding piece 51 is inclined to the axis of the glass body 4, and each arc-shaped columnar protruding piece 51 is provided with a through groove 53 in communication with each other. The axis of the arc-shaped columnar protruding piece 51 is inclined to the axis of the glass body 4, and the glass body 4 can be more smoothly installed in the mounting hole of the metal base 1 through the arc surface, thereby being more labor-saving and convenient during installation, improving the installation efficiency, and being suitable for different use scenarios. Each arc-shaped columnar protruding piece 51 is provided with a through groove 53 in communication with each other, the through groove 53 can make the protruding pieces 51 uniformly heated, and the sintering is facilitated. The through groove 53 can also connect and form the protruding pieces 51 during sintering of the protruding pieces 51, further improving the connection strength between the protruding pieces 51 and the glass body 4 and the metal base 1, and the outer appearance is more beautiful, and the sintering efficiency is improved.

[0042] The arc-shaped columnar convex piece 51 is arranged on the glass body 4, the overall connecting strength of the glass insulator 3 is further improved, and the service life is prolonged. The corresponding limiting surface 52 is arranged on the inner wall of the mounting hole of the metal base 1, the service life is prolonged through the cooperation of the convex piece 51 and the limiting surface 52, the whole is more beautiful, and installation is facilitated.

[0043] The arc-shaped columnar convex piece 51 is arranged on the inner wall of the mounting hole of the metal base 1, the existing metal base 1 can be reasonably added, the manufacturing cost is saved, the corresponding limiting surface 52 is arranged on the outer wall of the glass body 4, the service life is prolonged through the cooperation of the convex piece 51 and the limiting surface 52, the whole is more beautiful, and installation is facilitated.

[0044] Please refer to Figure 5 In some embodiments, the convex piece 51 is spiral-shaped, and the limiting surface 52 is a spiral groove matched with the spiral-shaped convex piece 51.

[0045] The convex piece 51 is spiral-shaped, and the limiting surface 52 is a spiral groove matched with the spiral-shaped convex piece 51. When the convex piece 51 is arranged on the glass body 4, the installer can rotate the glass body 4 by using tweezers, so that the glass body 4 is screwed into the limiting surface 52 in the form of a spiral groove, thereby making the connection between the glass insulator 3 and the metal base 1 more firm, facilitating operation during sintering, making the whole more beautiful after sintering, and prolonging the service life.

[0046] Please refer to Figure 6 In some embodiments, the convex piece 51 is dome-shaped, and the limiting surface 52 is a circular arc groove matched with the dome-shaped convex piece 51.

[0047] The convex piece 51 is dome-shaped, and the limiting surface 52 is a circular arc groove matched with the dome-shaped convex piece 51. By further matching the dome-shaped convex piece 51 with the limiting surface 52 in the form of a circular arc groove, the glass body 4 and the metal base 1 can be more firmly installed, the glass body 4 is prevented from shaking or rotating between the metal bases 1, the pre-fixing effect between the glass insulator 3 and the metal base 1 is further improved, operation during sintering is facilitated, and the whole is more beautiful after sintering.

[0048] Please refer to Figures 1 to 4In some embodiments, a laser sensor includes a metal base 1, a laser transmission module 2, a pin wire 6, a protection assembly 7, and a glass insulator 3; the laser transmission module 2 is installed on the metal base 1, the glass insulator 3 is installed in the metal base 1, the pin wire 6 is electrically connected to the laser transmission module 2 through the glass insulator 3, and the protection assembly 7 is snap-fitted on the metal base 1; the glass insulator 3 includes a glass body 4 and a pre-fixing assembly 5 arranged between the glass body 4 and the metal base 1 to play a pre-fixing role; the pre-fixing assembly 5 includes a protruding piece 51 arranged on the metal base 1 or the glass body 4 and a limiting surface 52 arranged on the glass body 4 or the metal base 1 and matched with the protruding piece 51.

[0049] In some embodiments, a laser sensor includes a metal base 1, a laser transmission module 2, a pin wire 6, a protection assembly 7, and a glass insulator 3; the laser transmission module 2 is installed on the metal base 1, the glass insulator 3 is installed in the metal base 1, the pin wire 6 is electrically connected to the laser transmission module 2 through the glass insulator 3, and the protection assembly 7 is snap-fitted on the metal base 1; the glass insulator 3 includes a glass body 4 and a pre-fixing assembly 5 arranged between the glass body 4 and the metal base 1 to play a pre-fixing role; the pre-fixing assembly 5 includes a protruding piece 51 arranged on the metal base 1 or the glass body 4 and a limiting surface 52 arranged on the glass body 4 or the metal base 1 and matched with the protruding piece 51.

[0050] Please refer to Figures 1 to 4 In some embodiments, the laser sensor further includes an insulating layer 8 sintered between the glass body 4, the pin wire 6, and the metal base 1, and the metal base 1 is provided with a groove 9 for storing the insulating layer 8.

[0051] In some embodiments, the laser sensor further includes an insulating layer 8 sintered between the glass body 4, the pin wire 6, and the metal base 1, and the metal base 1 is provided with a groove 9 for storing the insulating layer 8.

[0052] Please refer to Figures 1 to 4In some embodiments, the laser transmission module 2 comprises a chip 21, a laser diode 22, a photodiode 23 and a lens 24, the chip 21 and the laser diode 22 are both mounted on the metal base 1, the metal base 1 is provided with a storage groove 25, the photodiode 23 is mounted in the storage groove 25, the lens 24 is mounted on the metal base 1 and covers the storage groove 25, and the laser diode 22, the photodiode 23 and the pin wire 6 are electrically connected with the chip 21.

[0053] In some embodiments, the laser transmission module 2 comprises a chip 21, a laser diode 22, a photodiode 23 and a lens 24, the chip 21 and the laser diode 22 are both mounted on the metal base 1, the metal base 1 is provided with a storage groove 25, the photodiode 23 is mounted in the storage groove 25, the lens 24 is mounted on the metal base 1 and covers the storage groove 25, and the laser diode 22, the photodiode 23 and the pin wire 6 are electrically connected with the chip 21.

[0054] Please refer to Figures 1 to 4 In some embodiments, the protection assembly 7 comprises a metal pipe cap 71 and a glass cover 72, the metal pipe cap 71 is buckled on the metal base 1, the metal pipe cap 71 is provided with a through hole communicating with the outside, and the glass cover 72 is mounted on the metal pipe cap 71 and covers the through hole.

[0055] In some embodiments, the protection assembly 7 comprises a metal pipe cap 71 and a glass cover 72, the metal pipe cap 71 is buckled on the metal base 1, the metal pipe cap 71 is provided with a through hole communicating with the outside, and the glass cover 72 is mounted on the metal pipe cap 71 and covers the through hole.

[0056] It is understood that the above embodiments only illustrate preferred embodiments of the present utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the present utility model patent. It should be noted that for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present utility model, all of which fall within the protection scope of the present utility model. Therefore, all equivalent transformations and modifications made within the scope of the claims of the present utility model should fall within the coverage of the claims of the present utility model.

Claims

1. A glass insulator, characterized by The application relates to a laser sensor, which comprises the following components: a glass body (4) and a pre-fixing assembly (5) arranged between the glass body (4) and a metal base (1), wherein the pre-fixing assembly (5) comprises a protruding piece (51) arranged on the metal base (1) or the glass body (4) and a limiting surface (52) arranged on the glass body (4) or the metal base (1) and matched with the protruding piece (51).

2. The glass insulator according to claim 1, characterized in that The plurality of protruding pieces (51) are all in the shape of circular arc columns.

3. The glass insulator according to claim 2, characterized in that The axis of the protruding piece (51) in the shape of a circular arc column is parallel to the axis of the glass body (4).

4. The glass insulator of claim 2, wherein The axis of the protruding piece (51) in the shape of a circular arc column is inclined to the axis of the glass body (4), and each protruding piece (51) in the shape of a circular arc column is provided with a through groove (53) in communication with each other.

5. The glass insulator of claim 1, wherein The protruding piece (51) is in the shape of a spiral, and the limiting surface (52) is in the shape of a spiral groove matched with the spiral.

6. The glass insulator of claim 1, wherein The protruding piece (51) is in the shape of a dome, and the limiting surface (52) is in the shape of a circular arc groove matched with the dome.

7. A laser sensor, characterized by The application relates to a laser sensor, which comprises the following components: a metal base (1), a laser transmission module (2), a pin wire (6), a protection assembly (7) and a glass insulator (3), wherein the laser transmission module (2) is arranged on the metal base (1), the glass insulator (3) is arranged in the metal base (1), the pin wire (6) penetrates through the glass insulator (3) and is electrically connected to the laser transmission module (2), and the protection assembly (7) is buckled and arranged on the metal base (1). The glass insulator (3) comprises a glass body (4) and a pre-fixing assembly (5) arranged between the glass body (4) and the metal base (1) and used for pre-fixing, wherein the pre-fixing assembly (5) comprises a protruding piece (51) arranged on the metal base (1) or the glass body (4) and a limiting surface (52) arranged on the glass body (4) or the metal base (1) and matched with the protruding piece (51).

8. The laser sensor of claim 7, wherein, The laser sensor further comprises an insulating layer (8) sintered between the glass body (4), the pin wire (6) and the metal base (1), and the metal base (1) is provided with a groove (9) used for storing the insulating layer (8).

9. The laser sensor of claim 7, wherein, The laser transmission module (2) comprises a chip (21), a laser diode (22), a photodiode (23) and a lens (24), wherein the chip (21) and the laser diode (22) are arranged on the metal base (1), the metal base (1) is provided with a storage groove (25), the photodiode (23) is arranged in the storage groove (25), the lens (24) is arranged on the metal base (1) and covers the storage groove (25), and the laser diode (22), the photodiode (23) and the pin wire (6) are electrically connected to the chip (21).

10. The laser sensor of claim 7, wherein, The protection assembly (7) comprises a metal pipe cap (71) and a glass cover (72), the metal pipe cap (71) is buckled on the metal base (1), a through hole in communication with the outside is formed in the metal pipe cap (71), and the glass cover (72) is installed on the metal pipe cap (71) and covers the through hole.

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