TWI797556B - Emitting module of coaxial-optical sensor - Google Patents

Abstract

An emitting module of coaxial-optical sensor includes a plurality of light emitting LED units, at least one emitting convex lens unit, a plurality of first LED PCBs and a first LED PCB carrier. The emitting convex lens unit has an emitting convex lens. The first LED PCB carrier has a first seat. The first seat forms a plurality of first PCB mounting surfaces which face a lens center of the emitting convex lens, respectively. The light emitting LED units are electrically coupled to the first LED PCBs, respectively, and disposed on the first PCB mounting surface of the first LED PCB carrier. The optical axes of the light emitting LED units face the lens center of the emitting convex lens, so that the projecting angle of the light with a light circle can uniformly cover the emitting convex lens. Because the lens and the LEDs are corresponded, the light of geometrical optics can be efficiently projected to an optical field of sensing range, and increases the optical field energy emitted by the sensor.

Description

Sensor optical coaxial emission module

The invention relates to a passing sensor and a side safety sensor. The optical axes of the LEDs of the light-emitting module respectively shoot to the mirror center of the emitting convex lens, especially a sensor that is installed in the sensing range of an automatic pass-through door to sense the approach of people and objects, so that the light-emitting LEDs of the sensor can emit light. The light can be projected evenly into the light field of the sensing range with high efficiency, which can increase the energy of the light field emitted by the sensor.

Automatic passage doors are generally used in some occasions that require people or vehicles to come in and out or approach frequently (such as warehouses, passage compartments, banks, shopping malls, or company lines, etc.), through the infrared light sensor set on the top of the door, the sensor When people or vehicles approach, enter or leave, the motor can be driven to open the automatic rolling door or automatic door leaf. After the person or vehicle leaves, the sensor does not sense, and the automatic rolling door or automatic door leaf returns to close. However, the existing light sensor, when the emitted light is projected onto the convex lens, cannot ensure that the optical axis of the LED projected light is coaxial with the optical axis of the geometric optical projection angle of the convex lens, so it is difficult for the angle of the LED emitted light to evenly cover the convex lens lens , so that the energy of the light field projected into the sensing range is uneven, which indirectly leads to the unevenness of the light intensity reflected back to the sensor within the light field range.

The technical problem to be solved by the present invention is to provide a sensor optical coaxial emission module for the deficiencies of the prior art, the emission light of the light emission LED unit evenly covers the emission convex lens, and is projected to the sensing area due to geometrical optics to form a high-efficiency The optical field range of energy; the optical axis of the light-emitting LED unit of the present invention is projected onto the mirror center of the emitting convex lens, so the optical axis of geometrical optics is close to the coaxial relationship between the two, and the light will be projected uniformly through the convex lens with high efficiency The light field to the sensing range makes the energy of the light field projected by the individual LEDs uniform, ensuring that the reflected light energy reflected back to the sensor within the sensing range of the light field is uniform.

In order to solve the above-mentioned technical problems, the present invention provides a sensor optical coaxial emitting module, including: a plurality of light-emitting LED units; at least one emitting convex lens lens unit, the emitting convex lens lens unit includes at least one emitting convex lens; The first LED circuit board, the light-emitting LED units are respectively arranged on the first LED circuit boards, and the light-emitting LED units are respectively electrically connected to the first LED circuit boards; and a first LED circuit The board bearing seat, the first LED circuit board bearing seat has a first seat body, and the first seat body is provided with a plurality of first circuit board mounting surfaces, and the first circuit board mounting surfaces respectively face the emitting convex lens. The mirror center, the first LED circuit boards are respectively arranged on the installation surfaces of the first circuit boards, so that the light-emitting LED units are respectively arranged on the first LED circuit boards, and correspondingly installed on the first LED circuit boards The light-emitting LED units can be arranged in multiple arrays, and the individual optical axes of these light-emitting LED units are projected onto the mirror center of the convex lens. The light angles emitted by individual LEDs can evenly cover the emitting convex lens with the aperture. The light emitted by the LED will be projected into the light field of the sensing range due to the high efficiency of the geometrical optics.

The beneficial effect of the present invention is that the sensor optical coaxial emitting module provided by the present invention includes a plurality of light-emitting LED units, at least one emitting convex lens lens unit, and these light-emitting LED units can be arranged in multiple arrays. The optical axis emitted by the light-emitting LED unit is close to the same axis as the optical axis of the geometric optics of the emitting convex lens. The angle of projected light can cover the emitting convex lens evenly with the aperture, so the light energy projected by individual LEDs at different angles can be efficiently and uniformly projected to the sensor. range of light fields.

In order to further understand the features and technical content of the present invention, please refer to the following detailed description and drawings related to the present invention. However, the provided drawings are only for reference and description, and are not intended to limit the present invention.

The following are specific examples to illustrate the implementation methods disclosed in the present invention. Those skilled in the art can understand the advantages and effects of the present invention from the content disclosed in this specification. The present invention can be implemented or applied through other different specific embodiments, and various modifications and changes can be made to the details in this specification based on different viewpoints and applications without departing from the concept of the present invention. In addition, the drawings of the present invention are only for simple illustration, and are not drawn according to the actual size, which is stated in advance. The following embodiments will further describe the relevant technical content of the present invention in detail, but the disclosed content is not intended to limit the protection scope of the present invention. In addition, the term "or" used herein may include any one or a combination of more of the associated listed items depending on the actual situation.

[Example]

Please refer to Fig. 1 to Fig. 3, the present invention provides a sensor optical coaxial emission module, the sensor is a sensor with a variable light field range, which can be set above the automatic passage door to sense people The entry and exit or approach of objects, and then control the opening and closing of automatic passing doors, automatic rolling doors and safety devices for side opening doors. The light emitting module of the present invention includes a plurality of light emitting LED units 1 , at least one emitting convex lens lens unit 2 , a plurality of first LED circuit boards 50 and a first LED circuit board supporting seat 60 .

The light-emitting LED units 1 are arranged in an array, and the emitting convex lens lens unit 2 includes at least one emitting convex lens 21. The emitting convex lens 21 can be arranged in front of the light-emitting LED units 1 corresponding to the needs of geometrical optics. The light emitted by the emitting LED unit 1 is correspondingly cast to the emitting convex lens 21, and is emitted to the mirror center of the emitting convex lens 21 with the optical axis of different angles. The two generate a coaxial relationship of geometric optics, and are projected to the sensing range of the automatic passage door. Various light field sensing ranges.

The sensor also includes at least one light far receiving LED unit 30, at least one far receiving convex lens lens unit 40, at least one light near receiving LED unit 31, at least one near receiving convex lens lens unit 42, light far receiving LED unit 30 and light The near receiving LED unit 31 can form a light receiving LED unit, the far receiving convex lens lens unit 40 includes a far receiving convex lens group 401, the near receiving convex lens lens unit 42 includes a near receiving convex lens group 421, the far receiving convex lens lens unit 40 and the near receiving convex lens The mirror unit 42 is corresponding to the requirement of geometric optics to focus the reflected light within the scope of the light field to the far light receiving LED unit 30 and the light near receiving LED unit 31 .

The sensor can also include a visible light emitting convex lens 422 and a visible light emitting LED unit 10, the visible light emitting LED unit 10 can emit visible light through the visible light emitting LED unit 10, and the visible light emitting LED unit 10 can project a visible light through the visible light convex lens group 422. Close to the automatic door passage door or the side door opening range, and combined into a visible light field range, it can provide a safe position for displaying the front edge of the automatic door passage door range and the automatic door opening operation.

The light-emitting LED units 1 can be used to emit light, and the light-emitting LED units 1 can be infrared LED emitters, which can be used to emit infrared rays, but not limited thereto. The light-emitting LED units 1 can be of SMD or DIP type, and there are multiple light-emitting LED units 1, and the light-emitting LED units 1 are arranged in an array, and the light-emitting LED units 1 are arranged in at least one row, The light-emitting LED units 1 can also be arranged in multiple rows such as two, three or four rows. If the light-emitting LED unit 1 has only one row, it must contain a plurality of light-emitting LED units 1, and more than two rows of light-emitting LED units 1 Each column has at least one light-emitting LED unit 1 , that is, each column may contain one, two, three or four light-emitting LED units 1 .

The light-emitting LED units 1 are respectively arranged on the first LED circuit boards 50, that is, one light-emitting LED unit 1 is arranged on each first LED circuit board 50, and the first LED circuit boards 50 are flat The light-emitting LED units 1 are respectively disposed on the front surfaces of the first LED circuit boards 50 , and the light-emitting LED units 1 are electrically connected to the front surfaces of the first LED circuit boards 50 . These first LED circuit boards 50 can be independent entities, and these first LED circuit boards 50 can also be connected to each other as a whole, and the V-shaped grooves 501 are arranged between each other, so that these first LED circuit boards 50 can be bent and adjusted to different angles.

The first LED circuit board bearing seat 60 has a first seat body 601, and the first seat body 601 is provided with a plurality of first circuit board mounting surfaces 602, and these first circuit board mounting surfaces 602 can be arranged adjacent to each other. The number of the first circuit board mounting surfaces 602 corresponds to the number of the light-emitting LED units 1 and the first LED circuit boards 50, the first circuit board mounting surfaces 602 can be plane, and the first The circuit board mounting surfaces 602 should respectively correspond to the back sides of the first LED circuit boards 50 . The first LED circuit boards 50 are respectively arranged on the first circuit board mounting surfaces 602, and the first LED circuit boards 50 can also be appropriately fixed on the first circuit board mounting surfaces 602 by means of glue or the like. In this way, the light-emitting LED units 1 can be respectively electrically mounted on the first LED circuit boards 50 and correspondingly arranged on the first LED circuit board supporting seat 60 . Since the optical axes of these individual light-emitting LED units 1 should face the mirror center of the emitting convex lens 21, the projected light angle θ can evenly cover the emitting convex lens 21 with the aperture A (as shown in FIGS. 5 to 7 ), because the lenses and The corresponding relationship between the two LEDs, the light generated by geometrical optics can be efficiently projected into the traffic sensing light field range 100, and the energy of the light field emitted by the traffic sensor can be increased.

The first base body 601 can also be provided with a signal connection column 603 for positioning and outputting the overall signal of the first LED circuit boards 50. The signal connection column 603 can be a positioning column, etc., and the signal connection column 603 can be used The first LED circuit boards 50 are positioned in a piercing manner, so that the first LED circuit boards 50 can be accurately disposed on the mounting surfaces 602 of the first circuit boards.

In addition, as shown in FIG. 1, a plurality of signal output connecting columns 604 may also be provided on the first base body 601. These signal output connecting columns 604 are made of conductors, and these signal output connecting columns 604 are arranged at intervals On the first seat body 601, and the two ends of these signal output connection posts 604 can pass through the first seat body 601, that is, one end of these signal output connection posts 604 can pass through these installation surfaces 602, and these One end of the signal output connecting column 604 can be pierced and electrically connected to the first LED circuit boards 50, so that the signal output connecting column 604 can not only be used for positioning the first LED circuit board 50, but also can be used as a signal connection s position. The other ends of the signal output connecting posts 604 can also be electrically connected to a receiving unit carrier 90 so as to be plugged into the corresponding light field switch connecting line socket 901 for transmitting the overall signal of the first LED circuit board 50 . In addition, the signal connecting posts 603 (positioning posts) can also be made of conductors, so that these signal connecting posts 603 can also be used as signal output connecting posts.

In addition, at least one visible light-emitting LED unit 10 of the present invention can be provided, and these visible light-emitting LED units 10 can also be arranged in the same manner as the light-emitting LED unit 1, so that the optical axes of the visible light-emitting LED units 10 emit light to face The center of the visible light emitting convex lens 422 , specifically, the light emitting module of the present invention further includes a plurality of second LED circuit boards 70 and a second LED circuit board supporting seat 80 .

The visible light emitting LED units 10 are respectively arranged on the second LED circuit boards 70, the visible light emitting LED units 10 are respectively arranged on the front of the second LED circuit boards 70, and the visible light emitting LED units 10 are respectively It is electrically connected to the second LED circuit boards 70 . The second LED circuit board bearing base 80 has a second base body 801, and the second base body 801 is provided with a plurality of second circuit board mounting surfaces 802, the number of these second circuit board mounting surfaces 802 is the same as that of the The visible light emitting LED unit 10 corresponds to the back of the second LED circuit boards 70, and the second LED circuit boards 70 are properly fixed on the mounting surface 802 of the second circuit boards, so that the visible light emitting LED units 10 It can be respectively electrically installed on the second LED circuit boards 70 and arranged on the second LED circuit board supporting seat 80 . The optical axis of the light emitted by the visible light emitting LED unit 10 faces the mirror center of the visible light emitting convex lens 422, so the projected visible light angle θ can evenly cover the visible light emitting convex lens 422 with the visible light aperture B, because of the corresponding relationship between the lens and the LED, Visible light rays generated by geometrical optics can efficiently project a light field composed of visible light to a place close to the automatic door.

Please refer to Fig. 4, in the present embodiment, these light-emitting LED units 1 are arranged in upper and lower two columns, and each column has three light-emitting LED units 1, and the three light-emitting LED units 1 arranged on the upper column respectively define are light-emitting LED units u1b, u2b, and u3b, and the three light-emitting LED units 1 arranged in the following are respectively defined as light-emitting LED units d1b, d2b, and d3b. Since these light-emitting LED units u1b, u2b, u3b, d1b, The optical axes u1a, u2a, u3a, d1a, d2a, d3a of d2b, d3b emitting light are coaxial with the optical axis of the geometric optics formed by the emitting convex lens 21, so the light emitted by these light emitting LED units 1 will be evenly projected and covered on the emitting surface. Convex lens 21 eyeglasses. Figure 4 shows that these light-emitting LED units u1b, u2b, u3b, d1b, d2b, d3b emit light to form a covering aperture A in the emitting convex lens 21: refer to Figure 8 in the sensor optical coaxial emitting module, all light emitting The LED unit 1 coaxially corresponds to the passing sensing light field range 100 formed by the geometric optical projection of the emitting convex lens 21 at different angles, or the sensor is installed above the side of the automatic door, and the light emitting LED unit 1 corresponds to the emitting light at different angles coaxially. Convex lens 21 is projected to the sensing range 120 of side door opening operation safety.

Please refer to FIG. 4, in this embodiment, these visible light emitting LED units 10 are arranged in a row, and three light emitting LED units 10 are set to be respectively defined as visible light emitting LED units s1b, s2b, and s3b. Since these light emitting LED units The optical axes s1a, s2a, s3a of s1b, s2b, s3b and the optical axes of the geometric optics formed by the visible light emitting convex lens 422 are coaxial, so the light emitted by these visible light emitting LED units 10 can be evenly projected to cover the visible light emitting convex lens 422 . Figure 4 shows that these visible light emitting LED units s1b, s2b, s3b emit light to form a visible light aperture B covering the visible light emitting convex lens 422: refer to Fig. The coaxial angle corresponds to the visible light field range 110 of the passage door formed by the geometrical optics projection of the visible light emitting convex lens 422, or the sensor is installed above the side of the automatic door, and the visible light emitting LED unit 10 is coaxially corresponding to the visible light emitting convex lens at different angles 422 projected to the visible light field range 130 for side door operation.

Please refer to FIG. 5 , which discloses that two light-emitting LED units u1b and u3b arranged above the light-emitting LEDs emit light and display an aperture A within the range of projection angle θ on the emitting convex lens 21 . Please refer to FIG. 6 , revealing that a light-emitting LED unit u2b arranged on the upper row of the light-emitting LED and a light-emitting LED unit d2b arranged below the light-emitting LED emit light within the range of the angle θ display projection angle θ on the emitting convex lens 21. Aperture A. Please refer to FIG. 7 , which discloses the aperture A within the range of the projection angle θ of the light emitted by the two light-emitting LED units d1b and d3b disposed below the light-emitting LED on the emitting convex lens 21 .

Please refer to FIG. 5 , which discloses the visible light aperture B arranged on the left side of the visible light emitting LED unit s3b to emit light on the visible light emitting convex lens 422 and display the range of projection angle θ. Please refer to FIG. 6 , which discloses the visible light aperture B disposed within the range of the visible light emitting LED intermediate unit s2 b emitting light on the visible light emitting convex lens 422 within the range of the angle θ display projection angle θ. Please refer to FIG. 7 , which discloses the visible light aperture B arranged at the right side of the visible light emitting LED unit s1b to emit light on the visible light emitting convex lens 422 at an angle θ to display the projection angle θ range.

Please refer to Fig. 4, in the present embodiment, these light-emitting LED units 1 are arranged in upper and lower two columns, and each column has three light-emitting LED units 1, and the three light-emitting LED units 1 arranged on the upper column respectively define are light-emitting LED units u1b, u2b, and u3b, and the three light-emitting LED units 1 arranged in the following are respectively defined as light-emitting LED units d1b, d2b, and d3b. Since these light-emitting LED units u1b, u2b, u3b, d1b, The optical axes u1a, u2a, u3a, d1a, d2a, d3a of d2b, d3b emitting light are coaxial with the optical axis of the geometric optics formed by the emitting convex lens 21, so the light emitted by these light emitting LED units 1 will be evenly projected and covered on the emitting surface. Convex lens 21 eyeglasses. Figure 4 shows that these light-emitting LED units u1b, u2b, u3b, d1b, d2b, d3b emit light to form a covering aperture A in the emitting convex lens 21: refer to Figure 10 in the sensor optical coaxial emitting module, all light emitting The LED unit 1 is coaxially corresponding to the automatic rolling door traffic sensing light field range 150 formed by the emitting convex lens 21 due to the geometrical optical projection at different angles. 10 discloses an automatic rolling door cabinet 140 and an automatic rolling door leaf 141 .

Please refer to FIG. 4, in this embodiment, these visible light emitting LED units 10 are arranged in a row, and three light emitting LED units 10 are set to be respectively defined as visible light emitting LED units s1b, s2b, and s3b. Since these light emitting LED units The optical axes s1a, s2a, s3a of s1b, s2b, s3b and the optical axes of the geometric optics formed by the visible light emitting convex lens 422 are coaxial, so the light emitted by these visible light emitting LED units 10 can be evenly projected to cover the visible light emitting convex lens 422 . Figure 4 shows that these visible light emitting LED units s1b, s2b, s3b emit light to form a visible light aperture B covering the visible light emitting convex lens 422: refer to Fig. The angle coaxial corresponds to the visible light field range 160 of the automatic rolling door safely closing formed by the visible light emitting convex lens 422 due to the geometrical optics projection.

[Advantageous Effects of Embodiment]

The beneficial effect of the present invention is that the sensor optical coaxial emitting module provided by the present invention includes a plurality of light-emitting LED units, at least one emitting convex lens lens, and these light-emitting LED units can be arranged in multiple arrays. The optical axis emitted by the emitting LED unit is coaxial with the optical axis of the geometric optics of the emitting convex lens, and the projected light angle can evenly cover the emitting convex lens with the aperture, so the light projected by individual LEDs at different angles forms a pass through the energy of the sensing light field range uniform.

The optical coaxial emitting module of the sensor provided by the present invention includes at least one visible light emitting LED unit and at least one visible light emitting convex lens lens, and the optical axes emitted by these visible light emitting LED units are individually and visible light emitting convex lens geometric optics. The axes are coaxial, and the projected light angle can evenly cover the visible light emitting convex lens with the visible light aperture. Therefore, the light projected by individual LEDs at different angles forms a visible light field range close to the passage door and a visible light field range for side-opening operation.

The content disclosed above is only a preferred feasible embodiment of the present invention, and does not therefore limit the scope of the patent application of the present invention. Therefore, all equivalent technical changes made by using the description and drawings of the present invention are included in the application of the present invention. within the scope of the patent.

1: Light emitting LED unit 2: Launch convex lens lens unit 21: launch convex lens 10: Visible light emitting LED unit 30: Guangyuan receiving LED unit 31: Light receiving LED unit 40: Far receiving convex lens lens unit 401: Far receiving convex lens group 42: Close receiving convex lens lens unit 421: close receiving convex lens group 422:Visible light emitting convex lens 50: First LED circuit board 501: V-groove 60: The first LED circuit board bearing seat 601: The first body 602: The first circuit board mounting surface 603: Signal link column 604: Signal output connection column 70:Second LED circuit board 80: The second LED circuit board bearing seat 801: The second seat body 802: second circuit board mounting surface 90: Receiver unit carrier 901: Light field switch connecting line socket 100: Passage sensing light field range 110: Visible light field range at the entrance 120: Sensing range for safe operation of side door opening 130: Visible light field range for side-opening operation 140: Automatic rolling door chassis 141:Automatic rolling door leaf 150: Automatic rolling door traffic sensing light field range 160: Visible light field range of automatic rolling door safety closing u1b: Light emitting LED unit u2b: Light emitting LED unit u3b: Light emitting LED unit d1b: Light emitting LED unit d2b: Light emitting LED unit d3b: Light emitting LED unit u1a: optical axis u2a: optical axis u3a: optical axis d1a: optical axis d2a: optical axis d3a: optical axis A: Aperture θ: angle (projection angle) s1b: Visible light emitting LED unit s2b: Visible light emitting LED unit s3b: Visible light emitting LED unit s1a: optical axis s2a: optical axis s3a: optical axis B: visible light aperture

FIG. 1 is a three-dimensional exploded view of a sensor optical coaxial emitting module of the present invention.

FIG. 2 is a three-dimensional assembled view of the sensor optical coaxial emitting module of the present invention.

FIG. 3 is a three-dimensional exploded view of the optical coaxial emitting module of the sensor of the present invention combined in the sensor.

Fig. 4 is a schematic diagram of different optical axes and emission angles formed by the coaxial correspondence of all emitting LEDs in the emitting module of the optical coaxial sensor of the present invention to the convex lens.

Fig. 5 is a schematic diagram of different geometrical optical axes and emission angles formed by a part of the emission LED coaxial corresponding to the convex lens in the emission module of the sensor optical coaxial of the present invention.

Fig. 6 is a schematic diagram of a part of the emitting LED coaxial corresponding to the convex lens in the emitting module of the sensor optical coaxial of the present invention to form different geometric optical axes and emitting angles.

Fig. 7 is a schematic diagram of a part of the emission LED coaxial corresponding to the convex lens in the emission module of the sensor optical coaxial of the present invention to form different geometric optical axes and emission angles.

Fig. 8 shows that all the light-emitting LED units in the optical coaxial emitting module of the sensor of the present invention correspond to the coaxially corresponding to the emitting convex lens at different angles due to the geometric optical projection combination of the sensing range of the automatic door passing and the safe operation of the automatic door side opening Schematic diagram of the sensing range.

Fig. 9 shows the range of the visible light field projected by the visible light convex lens coaxially corresponding to all the visible light emitting LED units in the optical coaxial emitting module of the sensor of the present invention at different angles, showing the sensing range of the automatic door passing and the side opening operation of the automatic door Schematic diagram of the position of the leading edge of the safe sensing range.

Fig. 10 is a schematic diagram of the sensing range of all light-emitting LED units coaxially corresponding to the automatic rolling door formed by the emitting convex lens due to geometric optical projection in the emitting module of the sensor optical coaxial of the present invention at different angles.

Fig. 11 is a schematic diagram showing the position of the leading edge of the sensing range of the automatic rolling door passing through coaxially corresponding to the range of the visible light field projected by the visible light convex lens with all the visible light emitting LED units in the optical coaxial emitting module of the sensor of the present invention corresponding to the visible light convex lens.

1: Light emitting LED unit

2: Launch convex lens lens unit

21: launch convex lens

10: Visible light emitting LED unit

30: Guangyuan receiving LED unit

31: Light receiving LED unit

40: Far receiving convex lens lens unit

401: Far receiving convex lens group

42: Close receiving convex lens lens unit

421: close receiving convex lens group

422:Visible light emitting convex lens

50: First LED circuit board

501: V-groove

60: The first LED circuit board bearing seat

601: The first body

602: The first circuit board mounting surface

603: Signal connection column

604: Signal output connection column

70:Second LED circuit board

80: The second LED circuit board bearing seat

801: The second seat body

802: second circuit board mounting surface

90: Receiver unit carrier

901: Light field switch connecting line socket

Claims (8)

A sensor optical coaxial emitting module, comprising: a plurality of light-emitting LED units; at least one emitting convex lens lens unit, the emitting convex lens lens unit includes at least one emitting convex lens; a plurality of first LED circuit boards, the light emitting The LED units are respectively arranged on the first LED circuit boards, and the light-emitting LED units are respectively electrically connected to the fronts of the first LED circuit boards, and the first LED circuit boards are connected to each other in a flat plate shape Formed structure, the first LED circuit boards are provided with V-shaped grooves, so that the first LED circuit boards can be adjusted to various angles; and a first LED circuit board bearing seat, the The first LED circuit board bearing seat has a first seat body, and the first seat body is provided with a plurality of first circuit board mounting surfaces, and the backs of the first LED circuit boards with different angles are correspondingly arranged on the first A circuit board mounting surface; wherein the light-emitting LED units arranged on the first LED circuit boards should individually face the emitting convex lens, and the corresponding angles between the light-emitting LED units and the emitting convex lens allow the The optical axes of the light-emitting LED units are individually projected onto the mirror center of the emitting convex lens, and the light angles projected by the light-emitting LED units can individually cover the emitting convex lens evenly with apertures, and the distance between the light-emitting LED units and the emitting convex lens The projected light of inter-geometric optics can be projected individually to the light field of the sensing range with high efficiency, or individually projected with high efficiency to the light field of the sensing range at the front edge of the automatic door opening operation; wherein the first seat is provided with a positioning part for Locate the first LED circuit boards; wherein the positioning part includes a first signal output connecting column or a signal connecting column, the first signal output connecting column or a signal connecting column can be used as a positioning column, the first The signal output connection column or the signal connection column is electrically connected to the first LED circuit boards in a through-through manner. According to claim 1, the sensor optical coaxial emitting module, the opposite sides of the first LED circuit boards are parallel to each other, and the light-emitting LED units are respectively arranged on the front surfaces of the first LED circuit boards. The sensor optical coaxial emission module as described in claim 1, wherein the first LED circuit boards are independent entities connected to each other at different angles as an integral structure so that the optical axes of the light emission LED units at different angles can be Projected individually to the center of the emitting convex lens. The sensor optical coaxial emitting module as described in claim 1, which also includes a visible light emitting convex lens and a visible light emitting LED unit, and the visible light projected geometrically between the visible light emitting LED unit and the visible light emitting convex lens can have high performance The projection shows the position of the leading edge of the sensing range for automatic door passage. The sensor optical coaxial emitting module as described in claim 1, which also includes a visible light emitting convex lens and a visible light emitting LED unit, and the visible light projected geometrically between the visible light emitting LED unit and the visible light emitting convex lens can efficiently project Displays the position of the front edge of the sensing range where the automatic door side opening operation is safe. The sensor optical coaxial emitting module as described in claim 4 or 5, wherein the visible light emitting LED unit is set to at least one, and also includes at least one second LED circuit board and a second LED circuit board bearing seat, the The second LED circuit board bearing seat has a second base body, the second base body is provided with a second circuit board installation surface, the back of the second LED circuit board is correspondingly arranged on the second circuit board installation surface, the individual The visible light LED unit is electrically connected to the front of the second LED circuit board, the visible light emitting LED unit arranged on the second LED circuit board faces the visible light emitting convex lens, and the visible light emitting LED unit and the visible light emitting convex lens correspond to each other. The angle allows the visible light emitting LED The optical axes of the units are individually projected onto the mirror center of the visible light emitting convex lens, so the visible light angles projected by the visible light emitting LED units can evenly cover the visible light emitting convex lens with a visible light aperture, between the visible light emitting LED unit and the visible light emitting convex lens Visible light projected by geometric optics can be efficiently projected to the light field in the sensing range. The sensor optical coaxial emission module as described in claim 1, wherein the first base is provided with a plurality of signal output connection columns, and these signal output connection columns are made of conductors, and these signal output connection columns Two ends of the two ends pass through the first seat body, and one end of the signal output connecting posts passes through and is electrically connected to the first LED circuit boards. The sensor optical coaxial emission module as described in Claim 1, which can be used in the range of the automatic rolling door passage sensing light field or the visible light field range of the automatic rolling door safety closing.

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