CN219934970U - Auxiliary structure matched with sensor for detection and detection device - Google Patents

Abstract

The utility model relates to an auxiliary structure matched with a sensor for detection and a detection device. The auxiliary structure matched with the sensor for detection comprises a structural main body, wherein the structural main body is provided with a first light-passing hole and at least two second light-passing holes with different apertures, and the second light-passing holes are arranged around the first light-passing hole, so that the structural main body can be rotated by taking the first light-passing hole as a center, and the second light-passing holes with different apertures are selected for detection so as to meet the requirements of different detection precision, for example, when the requirements on the detection precision are higher, the second light-passing holes with smaller apertures are selected for detection; when the requirement on detection precision is lower, the second light through hole with larger aperture is selected for detection. Therefore, under the condition that the position of the sensor is not changed, the second light-passing holes with different apertures can be switched by only rotating the structural main body, the purpose of adjusting the detection precision of the sensor is achieved, the adjustment of the detection precision is simplified, and the improvement of the efficiency of the detection precision adjustment is facilitated.

Description

Auxiliary structure matched with sensor for detection and detection device

Technical Field

The utility model relates to the technical field of sensor detection, in particular to an auxiliary structure matched with sensor detection and a detection device.

Background

Along with the development of industrial automation, the photoelectric sensor is used for object positioning, namely, when an object passes through the photoelectric sensor, a detection light beam emitted by a transmitting end of the photoelectric sensor is received by a receiving end after being reflected or transmitted by the object, the receiving end sends information to a control system, and the control system judges whether the object is in place or not according to the received information so as to control other execution mechanisms to perform next action according to a preset program.

The common photoelectric sensor mostly adopts visible light as light source light, when the detection aperture is smaller and a certain soft and easy-to-deform object exists, the object can shield enough detection light beams due to irregular edge shapes of the object, so that the position of the detection light intensity received by the receiving end exceeding a preset threshold value cannot be kept consistent every time, and the detection precision of the photoelectric sensor cannot be ensured. To solve this problem, a sensor cover is placed in front of the photoelectric sensor, and emitting holes and reflecting holes of different apertures are formed along the circumferential direction or the length direction of the sensor cover. However, the sensor cover is used for detecting in combination with a sensor, and there is a problem that the efficiency of adjusting the detection accuracy is low.

Disclosure of Invention

Accordingly, it is necessary to provide an auxiliary structure for detecting a sensor and a detection device, which can improve the efficiency of detection accuracy adjustment.

The utility model provides an auxiliary structure that cooperation sensor detected, auxiliary structure that cooperation sensor detected includes the main structure body, the main structure body is equipped with first logical unthreaded hole and two at least second logical unthreaded holes in different apertures, first logical unthreaded hole is used for supplying the detection light beam that the sensor sent passes through, the second logical unthreaded hole is used for supplying the reflection or part after the transmission detection light beam passes through, all the second logical unthreaded hole is around first logical unthreaded hole sets up.

In one embodiment, the first light-passing hole is disposed at the center of the structural body, and the second light-passing hole is disposed in an area surrounded by a hole wall of the first light-passing hole and an edge of the structural body.

In one embodiment, the aperture of the second light-passing hole gradually increases or decreases along the circumferential direction of the first light-passing hole.

In one embodiment, the second light-passing holes are provided in a plurality, the second light-passing holes are arranged into at least two radial hole groups, each radial hole group comprises at least two second light-passing holes, and in each radial hole group, the second light-passing holes are arranged at intervals along the radial direction of the first light-passing holes in a direction away from the first light-passing holes.

In one embodiment, in the same radial hole group, the hole diameters of all the second light passing holes are the same.

In one embodiment, in the same radial hole group, a plurality of second light through holes are provided, and the intervals between two adjacent second light through holes are equal.

In one embodiment, all the second light-passing holes are arranged in a circular shape around the first light-passing hole 11 in a diverging manner in a direction away from the first light-passing hole.

In one embodiment, all of the radial hole sets are arranged at equal angles around the first light passing hole.

In one embodiment, the auxiliary structure matched with the detection of the sensor further comprises a fixing seat, and the structural main body is installed on the fixing seat; the structure main body is provided with a first fixing hole, the fixing seat is provided with a second fixing hole, the auxiliary structure matched with the detection of the sensor further comprises a fixing piece, and the fixing piece is inserted into the first fixing hole and the second fixing hole; the first fixing holes are formed in a plurality of mode, and the first fixing holes are formed in the edge of the structural main body around the first light transmission holes.

The detection device comprises a sensor and the auxiliary structure matched with the sensor for detection, wherein the sensor comprises a transmitting end and a receiving end, the transmitting end is opposite to the first light-passing hole, and the receiving end is opposite to the second light-passing hole.

Above-mentioned auxiliary structure and detection device that cooperation sensor detected through set up first light passing hole and second light passing hole at the main structure body, steerable detection light beam passes behind first light passing hole and the second light passing hole and is in the facula size in certain distance, and detection light beam keeps less facula size and falls in the regional that the sensor appointed when returning the sensor like this to reduce the effective trigger area of waiting to detect the object to the sensor, reach the purpose that improves the sensor detection precision. Because the structural main body is provided with at least two second light through holes with different apertures, all the second light through holes are arranged around the first light through holes, so that the first light through holes can be used as the central rotating structural main body, the second light through holes with different apertures are selected for detection, and the requirements of different detection precision are met, for example, when the requirements on the detection precision are higher, the second light through holes with smaller apertures are selected for detection; when the requirement on detection precision is lower, the second light through hole with larger aperture is selected for detection. Therefore, under the condition that the position of the sensor is not changed, the second light-passing holes with different apertures can be switched by only rotating the structural main body, the purpose of adjusting the detection precision of the sensor is achieved, the adjustment of the detection precision is simplified, and the improvement of the efficiency of the detection precision adjustment is facilitated.

Drawings

Fig. 1 is a schematic structural diagram of a detection device according to an embodiment of the utility model.

Fig. 2 is a left side view of the detection device shown in fig. 1.

Reference numerals illustrate: 10. a structural body; 11. a first light-passing hole; 12. radial hole sets; 121. a second light-passing hole; 13. a first fixing hole; 20. a fixing seat; 21. a first riser; 22. a second riser; 23. a first cross plate; 231. a third fixing hole; 24. a second cross plate; 30. a sensor.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of a detection device according to an embodiment of the present utility model, and fig. 2 is a left side view of the detection device according to an embodiment of the present utility model. The embodiment of the utility model provides an auxiliary structure matched with the detection of a sensor. The auxiliary structure matched with the sensor for detection comprises a structural main body 10, wherein the structural main body 10 is provided with a first light-passing hole 11 and at least two second light-passing holes 121 with different apertures, the first light-passing hole 11 is used for allowing detection light beams emitted by the sensor 30 to pass through, the second light-passing holes 121 are used for allowing part of reflected or transmitted detection light beams to pass through, and all the second light-passing holes 121 are arranged around the first light-passing holes 11.

Specifically, the first light passing hole 11 and the second light passing hole 121 are both circular holes. The apertures of the first light-passing hole 11 and the second light-passing hole 121 may be set according to actual requirements, and are not particularly limited herein. In this embodiment, the diameter of the first light passing hole 11 is 10mm.

In the above auxiliary structure matched with the detection of the sensor, during the detection, the structural body 10 is placed right in front of the sensor 30, the sensor 30 emits a detection beam, the detection beam passes through the first light-passing hole 11 and propagates towards the second light-passing hole 121 after being reflected or transmitted by the surface of the object to be detected, and part of the detection beam passes through the second light-passing hole 121 to reach the sensor 30 and is received by the sensor 30 through the shielding of the structural body 10. By arranging the first light through hole 11 and the second light through hole 121 on the structural body 10, the spot size of the detection light beam in a certain distance after passing through the first light through hole 11 and the second light through hole 121 can be controlled, so that the detection light beam keeps smaller spot size and falls in the designated area of the sensor 30 when returning to the sensor 30, thereby reducing the effective triggering area of the object to be detected on the sensor 30 and achieving the purpose of improving the detection precision of the sensor 30. Because the structural main body 10 is provided with at least two second through holes 121 with different apertures, all the second through holes 121 are arranged around the first through holes 11, so that the structural main body 10 can be rotated by taking the first through holes 11 as the center, the second through holes 121 with different apertures are selected for detection, so as to meet the requirements of different detection precision, for example, when the requirements on the detection precision are higher, the second through holes 121 with smaller apertures are selected for detection; when the requirement on the detection precision is low, the second light through hole 121 with larger aperture is selected for detection. Thus, under the condition that the position of the sensor is not changed, the second light through holes 121 with different apertures can be switched by only rotating the structural main body 10, so that the aim of adjusting the detection precision of the sensor is fulfilled, the adjustment of the detection precision is simplified, and the efficiency of the adjustment of the detection precision is improved.

In one embodiment, referring to fig. 2, the first light-passing hole 11 is disposed at the center of the structural body 10, and the second light-passing hole 121 is disposed in an area surrounded by the wall of the first light-passing hole 11 and the edge of the structural body 10. The first light through holes 11 are arranged in the center of the structural body 10, so that the second light through holes 121 are conveniently arranged around the first light through holes 11, the structural body 10 is reasonably utilized, and the aperture of the structural body 10 is reduced.

In one embodiment, referring to fig. 2, the aperture of the second light passing hole 121 gradually increases or decreases along the circumferential direction of the first light passing hole 11. During detection, the main body 10 of the structure is rotated by taking the first light through hole 11 as the center, so that the second light through hole 121 with a proper aperture can be rapidly selected for detection, and the detection efficiency is improved.

In one embodiment, referring to fig. 2, the second light passing holes 121 are provided in plurality, and the plurality of second light passing holes 121 are arranged in at least two radial hole groups 12, each radial hole group 12 including at least two second light passing holes 121. In each radial hole group 12, the second light passing holes 121 are arranged at intervals in the radial direction of the first light passing holes 11 in a direction away from the first light passing holes 11. Since there are different types of sensors 30 on the market, the distances between the transmitting end and the receiving end are different, in this embodiment, in each radial hole group 12, the second light-passing holes 121 are disposed at intervals along the radial direction of the first light-passing holes 11 in a direction away from the first light-passing holes 11, wherein in each radial hole group 12, the distance between the second light-passing holes 121 and the first light-passing holes 11 can refer to the distance between the transmitting end and the receiving end of the common sensor 30 on the market. During detection, the second light through holes 121 at different positions can be selected for detection according to the sensors 30 with different types, so that the auxiliary structure can be adapted to the sensors 30 with different types, and the compatibility of the auxiliary structure is improved.

In the present embodiment, referring to fig. 2, the plurality of second light-passing holes 121 are arranged in a circle around the first light-passing hole 11 in a diverging manner in a direction away from the first light-passing hole 11. Specifically, the centers of the plurality of second light passing holes 121 are all located on a concentric circle centered on the center of the first light passing hole 11.

Further, referring to fig. 2, in the same radial hole group 12, the diameters of all the second light passing holes 121 are the same. During detection, the second light through holes 121 at different positions can be selected for detection according to the sensors 30 with different types, so that the distance between the first light through holes 11 and the second light through holes 121 is matched with the distance between the transmitting end and the receiving end of the sensor 30, and the auxiliary structure can be adapted to the sensors 30 with different types, and has good compatibility.

Further, in the same radial hole group 12, a plurality of second light passing holes 121 are provided, and the intervals between two adjacent second light passing holes 121 are equal. It is understood that the equal interval between the adjacent two second light passing holes 121 means that the interval between the centers of the adjacent two second light passing holes 121 is equal. In this way, the second light through holes 121 at different positions are selected for detection according to the sensors 30 of different models.

In one embodiment, referring to fig. 2, all radial groups of holes 12 are equi-angularly disposed around the first light-passing hole 11. It can be understood that a straight line connecting the center of the first light-passing hole 11 and the center of the second light-passing hole 121 in the same radial hole group 12 is a first reference line, and the included angles between two adjacent first reference lines are equal. In this way, the observability of the auxiliary structure can be improved.

In one embodiment, referring to fig. 2, the structural body 10 is circular. Of course, in other embodiments, the structural body 10 may be any regular polygon. In view of practical use, if the structural body 10 is a regular polygon, it is preferable that the number of sides of the regular polygon is an integer multiple of the radial hole group 12.

It should be noted that the thickness of the structural body 10 may be set according to practical requirements, and is not particularly limited herein. For example, in the present embodiment, the structural body 10 is a metal sheet, and the thickness thereof is 1 mm-2 mm, and if a softer metal material is used, the thickness of the structural body 10 can be thickened to 3mm.

In one embodiment, referring to fig. 1, the auxiliary structure for sensor detection further includes a fixing base 20, and the structural body 10 is mounted on the fixing base 20. Thus, the structural body 10 is convenient to install, and the fixing seat 20 can also support the structural body 10.

Alternatively, referring to fig. 1, the cross section of the fixing base 20 is G-shaped. Specifically, the fixing base 20 includes a first riser 21, a second riser 22, a first transverse plate 23, and a second transverse plate 24 for mounting the sensor 30, where the first riser 21 is opposite to the second riser 22, the second riser 22 is higher than the first riser 21, the first transverse plate 23 is disposed at bottoms of the first riser 21 and the second riser 22, and two sides of the first transverse plate 23 are connected with the first riser 21 and the second riser 22 respectively; the second transverse plate 24 is disposed on top of the second vertical plate 22 and is disposed opposite to the first transverse plate 23, one side of the second transverse plate 24 is connected to the second vertical plate 22, the other side extends in a direction approaching the first vertical plate 21, and the structural body 10 is mounted on the first vertical plate 21. So configured, the holder 20 does not interfere with the detection. Of course, in other embodiments, the structure of the fixing base 20 may be changed according to the change of the structural body 10.

Alternatively, referring to fig. 1 and 2, the structural body 10 is provided with a first fixing hole 13, and the fixing base 20 is provided with a second fixing hole. Specifically, the second fixing hole is provided to the first riser 21. The auxiliary structure matched with the sensor for detection also comprises a fixing piece, and the fixing piece is inserted into the first fixing hole 13 and the second fixing hole; wherein, first fixed orifices and second fixed orifices are the screw hole, and the mounting is bolt, screw etc.. Of course, in other embodiments, the structural body 10 may be mounted to the fixing base 20 by magnetic attraction.

In one embodiment, referring to fig. 1, the fixing base 20 is provided with a third fixing hole 231. Specifically, the third fixing hole 231 is provided to the first cross plate 23. During installation, this auxiliary structure is placed in the place ahead of sensor 30, inserts the mounting in locating third fixed orifices 231, but through mounting fixed mounting fixing base 20, prevents that fixing base 20 from removing at the in-process of detecting, improves the accuracy of detecting. Of course, in other embodiments, the fixing base 20 may be fixed by magnetic attraction or adhesion.

In one embodiment, referring to fig. 2, the first fixing holes 13 are provided in plurality, and the plurality of first fixing holes 13 are provided around the first light-transmitting hole 11 at the edge of the structural body 10. To meet different detection requirements, the fixture is removed, the structural body 10 is rotated such that the second light-passing hole 121 of a suitable aperture is opposite to the receiving end of the sensor 30, and then the fixture is inserted into the second fixing hole and rotated into the first fixing hole 13 opposite to the second fixing hole. By arranging the plurality of first fixing holes 13 at the edge of the structural body 10, interference of the fixing seat to detection can be avoided.

In this embodiment, the first light-passing hole 11 is disposed at the center of the structural body 10, and the plurality of first fixing holes 13 are disposed around the first light-passing hole 11 at the edge of the structural body 10, and the centers of the plurality of first fixing holes 13 are all located on the same circle with the center of the first light-passing hole 11 as the center of the circle.

Still further, referring to fig. 2, at least two second fixing holes are provided, and the at least two second fixing holes are in one-to-one correspondence with the at least two first fixing holes 13. Therefore, the installation firmness of the structural main body 10 can be improved, the structural main body 10 is prevented from rotating in the detection process, and the detection accuracy is further improved.

Referring to fig. 1, a detection device according to an embodiment of the present utility model includes a sensor 30 and an auxiliary structure for detecting by the sensor according to any of the above embodiments. The sensor 30 includes a transmitting end disposed opposite to the first light-passing hole 11 and a receiving end disposed opposite to the second light-passing hole 121.

According to the detection device, the first light through hole 11 and the second light through hole 121 are formed in the structural main body 10, so that the size of a light spot of a detection light beam in a certain distance after passing through the first light through hole 11 and the second light through hole 121 can be controlled, and the detection light beam keeps smaller size of the light spot and falls in a specified area of the sensor 30 when returning to the sensor 30, so that an effective triggering area of an object to be detected on the sensor 30 is reduced, and the aim of improving the detection precision of the sensor 30 is fulfilled. Because the structural main body 10 is provided with at least two second through holes 121 with different apertures, all the second through holes 121 are arranged around the first through holes 11, so that the structural main body 10 can be rotated by taking the first through holes 11 as the center, the second through holes 121 with different apertures are selected for detection, so as to meet the requirements of different detection precision, for example, when the requirements on the detection precision are higher, the second through holes 121 with smaller apertures are selected for detection; when the requirement on the detection precision is low, the second light through hole 121 with larger aperture is selected for detection. Thus, under the condition that the position of the sensor is not changed, the second light through holes 121 with different apertures can be switched by only rotating the structural main body 10, so that the aim of adjusting the detection precision of the sensor is fulfilled, the adjustment of the detection precision is simplified, and the efficiency of the adjustment of the detection precision is improved.

Further, referring to fig. 1, the sensor 30 is detachably mounted to the holder 20. Specifically, the second cross plate 24 is provided with a fourth fixing hole, and the sensor 30 is mounted to the second cross plate 24 by bolts, screws, or the like. In this way, the detachable mounting of the sensor 30 is achieved.

In the description of the present utility model, it should be understood that, if any, these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., are used herein with respect to the orientation or positional relationship shown in the drawings, these terms refer to the orientation or positional relationship for convenience of description and simplicity of description only, and do not indicate or imply that the apparatus or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the terms "plurality" and "a plurality" if any, mean at least two, such as two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly. For example, the two parts can be fixedly connected, detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It will be understood that if an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. If an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein, if any, are for descriptive purposes only and do not represent a unique embodiment.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. The utility model provides an auxiliary structure that cooperation sensor detected, its characterized in that, auxiliary structure that cooperation sensor detected includes the main structure body, the main structure body is equipped with first light passing hole and two at least second light passing holes in different apertures, first light passing hole is used for supplying the detection light beam that the sensor sent passes through, the second light passing hole is used for supplying the reflection or part after the transmission detection light beam passes through, all the second light passing hole is around first light passing hole sets up.

2. The auxiliary structure for detecting a sensor according to claim 1, wherein the first light-passing hole is formed in the center of the structural body, and the second light-passing hole is formed in an area surrounded by a hole wall of the first light-passing hole and an edge of the structural body.

3. The auxiliary structure for detecting a mating sensor according to claim 1, wherein the aperture of the second light passing hole is gradually increased or decreased along the circumferential direction of the first light passing hole.

4. The auxiliary structure for detecting a mating sensor according to claim 1, wherein a plurality of the second light-passing holes are provided, the plurality of the second light-passing holes are arranged into at least two radial hole groups, each radial hole group includes at least two of the second light-passing holes, and in each radial hole group, all of the second light-passing holes are arranged at intervals in a direction away from the first light-passing holes in a radial direction of the first light-passing holes.

5. The auxiliary structure for detecting a mating sensor according to claim 4, wherein the apertures of all the second light passing holes are the same in the same radial hole group.

6. The auxiliary structure for detecting a mating sensor according to claim 4, wherein in the same radial hole group, the intervals between two adjacent second light passing holes are equal.

7. The auxiliary structure for detecting a mating sensor according to claim 4, wherein all the second light-passing holes are arranged in a circular shape around the first light-passing hole divergently in a direction away from the first light-passing hole.

8. The auxiliary structure for detecting a matched sensor according to claim 4, wherein all radial hole groups are arranged around the first light through holes at equal angles.

9. The auxiliary structure for sensor-based detection according to any one of claims 1 to 8, further comprising a fixing base to which the structural body is mounted;

the structure main body is provided with a first fixing hole, the fixing seat is provided with a second fixing hole, the auxiliary structure matched with the detection of the sensor further comprises a fixing piece, and the fixing piece is inserted into the first fixing hole and the second fixing hole;

the first fixing holes are formed in a plurality of mode, and the first fixing holes are formed in the edge of the structural main body around the first light transmission holes.

10. A detection device, characterized in that the detection device comprises a sensor and an auxiliary structure for detecting by the sensor according to any one of claims 1 to 9, the sensor comprises a transmitting end and a receiving end, the transmitting end is opposite to the first light-transmitting hole, and the receiving end is opposite to the second light-transmitting hole.