CN219591396U - Photoelectric coupling device - Google Patents
Photoelectric coupling device Download PDFInfo
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- CN219591396U CN219591396U CN202320408287.6U CN202320408287U CN219591396U CN 219591396 U CN219591396 U CN 219591396U CN 202320408287 U CN202320408287 U CN 202320408287U CN 219591396 U CN219591396 U CN 219591396U
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Abstract
The embodiment of the utility model provides a photoelectric coupling device, which comprises a carrier unit, a transmitting end unit, a receiving end unit, a first packaging unit, a second packaging unit and a reflecting assembly, wherein the carrier unit is connected with the transmitting end unit; the carrier unit comprises a carrier body, a first circuit unit and a second circuit unit; the transmitting end element is arranged on the upper surface of the carrier body; the receiving end unit comprises at least one receiving end element, and the receiving end element is arranged on the upper surface of the carrier body; the reflecting component is arranged on the upper surface of the carrier body and is positioned above the transmitting end element and the receiving end element and used for reflecting light rays; the first packaging unit is arranged on the upper surface of the carrier body and covers the transmitting end element and the receiving end element; the second packaging unit is arranged on the upper surface of the carrier body and covers the reflecting component, the first packaging unit and the upper surface of the carrier body. The utility model solves the technical problem that the existing photoelectric coupling device is not perfect.
Description
Technical Field
The utility model relates to the field of electronics, in particular to a photoelectric coupling device.
Background
The photoelectric coupler is a photoelectric conversion device for transmitting an electric signal by using light as a medium, and is widely used in various circuits. The existing photoelectric coupler has the defects of rough packaging mode, low reliability, low air tightness, low service life and the like.
Disclosure of Invention
The photoelectric coupling device provided by the embodiment of the utility model solves the technical problem that the existing photoelectric coupling device is not perfect enough.
In order to solve the above technical problems, an embodiment of the present utility model provides a photoelectric coupling device, which includes a carrier unit, a transmitting end unit, a receiving end unit, a first packaging unit, a second packaging unit, and a reflecting component, wherein,
the carrier unit comprises a carrier body, a first circuit unit and a second circuit unit; the carrier body includes an upper surface, a lower surface, and a side surface between the upper surface and the lower surface;
the first circuit unit comprises at least one first connecting unit and at least one second connecting unit, wherein the first connecting unit comprises a first connecting end, a second connecting end and a third connecting end connected between the first connecting end and the second connecting end; the second connecting unit comprises a fourth connecting end, a fifth connecting end and a sixth connecting end connected between the fourth connecting end and the fifth connecting end;
the second circuit unit comprises at least one third connection unit and at least one fourth connection unit, wherein the third connection unit comprises a seventh connection end, an eighth connection end and a ninth connection end connected between the seventh connection end and the eighth connection end; the fourth connection unit includes a tenth connection end, an eleventh connection end, and a twelfth connection end connected between the tenth connection end and the eleventh connection end;
the transmitting end unit comprises at least one transmitting end element, and the transmitting end element is mounted on the upper surface of the carrier body; the first connecting end and the fourth connecting end are arranged on the upper surface of the carrier body, the first connecting end is connected with the first electrode of the transmitting end element, and the fourth connecting end is connected with the second electrode of the transmitting end element; the second connecting end and the fifth connecting end extend out of the carrier body or are arranged on the lower surface of the carrier body and are used for being connected with a circuit outside the photoelectric coupling device;
the receiver unit comprises at least one receiver element mounted to the upper surface of the carrier body; the seventh connecting end and the tenth connecting end are arranged on the upper surface of the carrier body, the seventh connecting end is connected with the third electrode of the receiving end element, and the tenth connecting end is connected with the fourth electrode of the receiving end element; the eighth connecting end and the eleventh connecting end extend out of the carrier body or are arranged on the lower surface of the carrier body and are used for being connected with a circuit outside the photoelectric coupling device;
the reflecting component is arranged on the upper surface of the carrier body and is positioned above the transmitting end element and the receiving end element and used for reflecting light rays;
the first packaging unit is arranged on the upper surface of the carrier body and covers the transmitting end element and the receiving end element;
the second packaging unit is arranged on the upper surface of the carrier body and covers the reflecting component, the first packaging unit and the upper surface of the carrier body.
Further, a gap is formed between the reflecting component and the upper parts of the transmitting end element and the receiving end element; the first packaging unit is arranged in the gap, or the first packaging unit is arranged in the gap and covers the reflecting component.
Further, the reflective assembly includes a bracket having an open end, a top end disposed opposite the open end, and a sidewall end between the open end and the top end; a preset interval is arranged between the opening end and the top end; the open end is directed towards the upper surface of the carrier body, in alignment with the area where the transmitting end element and the receiving end element are located.
Further, the inner surface of the top end is provided with a first reflecting member and/or the inner surface of the side wall end is provided with a second reflecting member.
Further, the top end and the side wall end are of an integrally formed structure.
Further, the side wall end is of a continuous structure, or the side wall end comprises N side posts which are arranged in a separated mode, and N is an even number greater than or equal to 2.
Further, the top end is a plane.
Further, the bracket is one of a cylinder, a semicircle, a cone, a square, a trapezoid, a stool, a bowl or an irregular shape.
Further, the reflection assembly is provided with at least one glue passage penetrating through the outer part and the gap.
Further, the first packaging unit comprises a first packaging part and a second packaging part, the first packaging part is arranged in the gap, and the second packaging part covers the reflecting component; the first packaging part and the second packaging part are of an integrated structure.
Advantageous effects
According to the photoelectric coupling device provided by the embodiment of the utility model, the transmitting end element and the receiving end element are both arranged on the upper surface of the carrier body, and the reflecting assembly is arranged above the transmitting end element and the receiving end element and is used for reflecting light, so that the structure is simple, and the light transmission effect is obviously improved.
Additional features and corresponding advantages of the utility model will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the utility model.
Drawings
Fig. 1 is a schematic cross-sectional view of a photocoupling device according to a first embodiment of the present utility model;
fig. 2 is a schematic circuit diagram of an upper surface of a carrier body according to a first embodiment of the present utility model;
fig. 3 is a schematic circuit diagram of a lower surface of a carrier body according to an embodiment of the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the following detailed description of the embodiments of the present utility model is given with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Embodiment one:
specific embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings and examples of implementation. The embodiment provides a photoelectric coupling device, which comprises a carrier unit, a transmitting end unit, a receiving end unit, a first packaging unit, a second packaging unit and a reflecting component, wherein,
the carrier unit comprises a carrier body, a first circuit unit and a second circuit unit; the carrier body comprises an upper surface, a lower surface and a side surface positioned between the upper surface and the lower surface;
the first circuit unit comprises at least one first connecting unit and at least one second connecting unit, wherein the first connecting unit comprises a first connecting end, a second connecting end and a third connecting end connected between the first connecting end and the second connecting end; the second connecting unit comprises a fourth connecting end, a fifth connecting end and a sixth connecting end connected between the fourth connecting end and the fifth connecting end;
the second circuit unit comprises at least one third connecting unit and at least one fourth connecting unit, the third connecting unit comprises a seventh connecting end, an eighth connecting end and a ninth connecting end connected between the seventh connecting end and the eighth connecting end; the fourth connecting unit comprises a tenth connecting end, an eleventh connecting end and a twelfth connecting end connected between the tenth connecting end and the eleventh connecting end;
the transmitting end unit comprises at least one transmitting end element, and the transmitting end element is arranged on the upper surface of the carrier body; the first connecting end and the fourth connecting end are arranged on the upper surface of the carrier body, the first connecting end is connected with the first electrode of the transmitting end element, and the fourth connecting end is connected with the second electrode of the transmitting end element; the second connecting end and the fifth connecting end extend out of the carrier body or are arranged on the lower surface of the carrier body and are used for being connected with a circuit outside the photoelectric coupling device;
the receiving end unit comprises at least one receiving end element, and the receiving end element is arranged on the upper surface of the carrier body; the seventh connecting end and the tenth connecting end are arranged on the upper surface of the carrier body, the seventh connecting end is connected with the third electrode of the receiving end element, and the tenth connecting end is connected with the fourth electrode of the receiving end element; the eighth connecting end and the eleventh connecting end extend out of the carrier body or are arranged on the lower surface of the carrier body and are used for being connected with a circuit outside the photoelectric coupling device;
the reflecting component is arranged on the upper surface of the carrier body and is positioned above the transmitting end element and the receiving end element and used for reflecting light rays;
the first packaging unit is arranged on the upper surface of the carrier body and covers the transmitting end element and the receiving end element;
the second packaging unit is arranged on the upper surface of the carrier body and covers the reflecting component, the first packaging unit and the upper surface of the carrier body.
The carrier body can be an insulating carrier such as a PCB board, a BT board and the like. The carrier body can be made of opaque materials, so that light is prevented from leaking out of the carrier body.
The transmitting end unit comprises at least one transmitting end element, and a plurality of transmitting end elements can be connected in series, connected in parallel and/or integrated in the same circuit film block, and the circuit module can be an integrated chip. The emitting end element may be a light emitting diode, such as an infrared light emitting diode. The carrier body can be mounted on the upper surface by adopting the modes of die bonding, bonding wires and the like.
The receiver unit comprises at least one receiver element, and a plurality of receiver elements may be connected in series, connected in parallel and/or integrated in the same circuit module, which may be an integrated chip. The receiving end element can be a phototriode, and can be other photoelectric receiving chips. The receiving end unit may further include other peripheral chips connected to the receiving end element, such as MOS chips or SIC chips, where the peripheral chips and the receiving end element are sealed, and each chip may be mounted on the upper surface of the carrier body by die bonding, wire bonding, or other methods.
The first circuit unit and the second circuit unit may be symmetrically disposed on the carrier body, for example, symmetrically disposed on left and right sides of the carrier body.
The first circuit unit is used for accessing the transmitting end unit, and the second circuit unit is used for accessing the receiving end unit.
The first circuit unit may include other circuits in addition to the first connection unit and the second connection unit. The second circuit unit may include other circuits in addition to the third connection unit and the fourth connection unit.
The first connecting unit, the second connecting unit, the third connecting unit and the fourth connecting unit can be lead wires and can be manufactured in a copper deposition mode.
The first connection unit and the second connection unit may be provided for the spare transmitting end element, or the same first connection unit may be shared by two or more transmitting end elements, or the same second connection unit may be shared by two or more transmitting end elements. A third connection unit and a fourth connection unit may be provided for each receiving-end element, or two or more receiving-end elements may share the same third connection unit, or two or more receiving-end elements may share the same fourth connection unit.
The first connecting end and the fourth connecting end are arranged on the upper surface of the carrier body and used for being connected with the transmitting end element, the first electrode of the transmitting end element can be one of the positive electrode and the negative electrode, the second electrode of the transmitting end element is the other one of the positive electrode and the negative electrode, the first connecting end is connected with the first electrode of the transmitting end element, and the fourth connecting end is connected with the second electrode of the transmitting end element. The third connecting end plays a role of connecting the first connecting end and the second connecting end. The sixth connection end plays a role of connecting the fourth connection end and the fifth connection end. The third and sixth connection ends may be partially or fully embedded within the carrier body. As an embodiment, a groove may be provided on a side surface of the carrier body, and the third connection end and the sixth connection end may be partially or entirely provided in the groove on the side surface of the carrier body. The second connection end and the fifth connection end are used as external electric connection interfaces of the photoelectric coupling device and are used for being connected with circuits outside the photoelectric coupling device, for example, an external power supply. As a preferred mode, in order to facilitate the connection with the circuit outside the photoelectric coupling device, the second connection end and the fifth connection end are arranged on the lower surface of the carrier body. The first connecting end, the second connecting end and the third connecting end may be an integrally formed structure. The fourth connecting end, the fifth connecting end and the sixth connecting end may be an integrally formed structure.
The seventh connecting end and the tenth connecting end are arranged on the upper surface of the carrier body and are used for being connected with the receiving end element, the receiving end element is taken as a phototriode as an example, the third electrode, the fourth electrode and the fifth electrode of the receiving end element can be respectively a collector electrode, an emitter electrode and a base electrode, and the base electrode is a photosensitive area. The ninth connection end serves to connect the seventh connection end and the eighth connection end, and the twelfth connection end serves to connect the tenth connection end and the eleventh connection end. The eighth connection terminal and the eleventh connection terminal are used as external electric connection interfaces of the photoelectric coupling device and are used for being connected with circuits outside the photoelectric coupling device, for example, being connected with an external power supply. The eighth connection end, the eleventh connection end may extend out of the carrier body or be provided on the lower surface of the carrier body. As an embodiment, a groove may be provided on a side surface of the carrier body, and the ninth connection end and the twelfth connection end may be partially or entirely provided in the groove on the side surface of the carrier body. The seventh connecting end, the eighth connecting end and the ninth connecting end may be an integrally formed structure, and the tenth connecting end, the eleventh connecting end and the twelfth connecting end may be an integrally formed structure.
The reflecting component is arranged on the upper surface of the carrier body and is positioned above the transmitting end element and the receiving end element and used for reflecting light rays. The reflecting component has various structures, shapes and materials, and the reflecting component is arranged on the upper surface of the carrier body in various modes. The reflection assembly can adopt metal electroplating materials, can form a shielding cover when light reflection is achieved, and effectively improves the anti-interference capability of the device.
The first packaging unit is arranged on the upper surface of the carrier body and covers the transmitting end element and the receiving end element. The first packaging unit can be arranged in a dispensing or die pressing mode. In some embodiments, directionality of light transmission may be achieved by designing a material, shape, etc. of the first encapsulation unit. In some embodiments, a gap is formed between the reflective component and the top of the transmitting end element and the top of the receiving end element, a space is reserved for the first packaging unit, and the first packaging unit can be arranged in the gap or cover the reflective component while being arranged in the gap.
The second packaging unit is arranged on the upper surface of the carrier body and covers the reflecting component, the first packaging unit and the upper surface of the carrier body. The second packaging unit can be arranged in a dispensing or die pressing mode.
The second encapsulation unit adopts a different encapsulation material from the first encapsulation unit. The first encapsulation unit may be a light transmitting unit. The second encapsulation unit may be a light-tight unit, such as a black glue. The second packaging unit can avoid light leakage and can also play a role in protecting the upper surfaces of the reflecting component, the first packaging unit and the carrier body.
The structure of the reflective assembly includes, but is not limited to, the following:
the reflecting component comprises a bracket, a reflecting plate and a reflecting plate, wherein the bracket is provided with an opening end, a top end which is arranged opposite to the opening end and a side wall end which is positioned between the opening end and the top end; the open end is directed towards the upper surface of the carrier body, aligned with the area where the transmitting end element and the receiving end element are located. The opening end and the top end are provided with a preset interval, so that a gap is arranged between the reflecting component and the upper parts of the emitting end element and the receiving end element.
In some embodiments, the bracket is made of a reflective material and has a light reflection function.
In some embodiments, the inner surface of the top end is provided with a first reflective member and/or the inner surface of the sidewall end is provided with a second reflective member; the first reflecting member and the second reflecting member may be made of the same or different materials. In some embodiments, the first reflective component has a stronger reflective function than the second reflective component. The first reflecting part and the second reflecting part can adopt metal plating materials, so that a shielding cover can be formed when light rays are reflected, and the anti-interference capability of the device is effectively improved.
In some embodiments, the top end and the sidewall end may be an integrally formed structure.
In some embodiments, the support may be one of cylindrical, semi-circular, conical, square, trapezoidal, stool-shaped, bowl-shaped, or irregularly shaped.
In some embodiments, the sidewall ends may be of continuous construction, or the sidewall ends may include N side posts spaced apart, N being an even number greater than or equal to 2, such as cylindrical, semi-circular, conical, bowl-shaped brackets, the sidewall ends of which are of arcuate continuous construction; the side wall end of the stool-shaped bracket comprises 4 side posts, and the 4 side posts can be symmetrically arranged on the left side and the right side.
In some embodiments, the tip is planar, such as a bowl-shaped stent.
In some embodiments, the diameter of the tip is smaller than the diameter of the open end, facilitating transmission of light toward the open end.
In some embodiments, the top end and/or the sidewall end is provided with at least one glue passage extending through the outer portion and the gap. The first packaging unit can be arranged in a gap between the top end and the opening end of the bracket in a dispensing or molding mode by means of the glue passage.
In some embodiments, the first packaging unit includes a first packaging part and a second packaging part, the first packaging part is disposed in the gap, and the second packaging part covers the reflective component; the first packaging part and the second packaging part are of an integrated structure.
As an embodiment, the photo-coupling device, as shown below with reference to fig. 1, 2 and 3, comprises a carrier unit, a transmitting end unit, a receiving end unit, a first encapsulation unit, a second encapsulation unit and a reflecting assembly, wherein,
the carrier unit comprises a carrier body, a first circuit unit and a second circuit unit; the carrier body comprises an upper surface 111, a lower surface 112 and side surfaces 113 positioned between the upper surface 111 and the lower surface 112, and the carrier body comprises 4 front, rear, left and right side surfaces 113, wherein the left and right side surfaces 113 are respectively provided with 2 grooves A;
the first circuit unit includes a first connection unit and a second connection unit, the first connection unit including a first connection terminal 1211, a second connection terminal 1212, and a third connection terminal 1213 connected between the first connection terminal 1211 and the second connection terminal 1212; the second connection unit includes a fourth connection end 1221, a fifth connection end 1222, and a sixth connection end (not shown) connected between the fourth connection end 1221 and the fifth connection end 1222; the first connecting end 1211, the second connecting end 1212, and the third connecting end 1213 are integrally formed; the fourth connecting end 1221, the fifth connecting end 1222, and the sixth connecting end are integrally formed;
the second circuit unit includes a third connection unit and a fourth connection unit, the third connection unit includes a seventh connection terminal 1311, an eighth connection terminal 1312, and a ninth connection terminal (not shown) connected between the seventh connection terminal 1311 and the eighth connection terminal 1312; the fourth connection unit includes a tenth connection end 1321, an eleventh connection end 1322, and a twelfth connection end 1333 connected between the tenth connection end 1321 and the eleventh connection end 1322; the seventh connecting end 1311, the eighth connecting end 1312, and the ninth connecting end are an integrally formed structure; the tenth connecting end 1321, the eleventh connecting end 1322 and the twelfth connecting end 1333 are integrally formed;
the firing end unit comprises a firing end element 21, the firing end element 21 being mounted to the upper surface 111 of the carrier body; the first connecting end 1211 and the fourth connecting end 1221 are disposed on the upper surface 111 of the carrier body, the first connecting end 1211 is connected to the positive electrode of the emitter element 21, and the fourth connecting end 1221 is connected to the negative electrode of the emitter element 21; the second connection terminal 1212 and the fifth connection terminal 1222 are disposed on the lower surface 112 of the carrier body, and are used for connecting with circuits outside the photoelectric coupling device; the third 1213, sixth connecting end portion is disposed in the recess a of the right side 113 of the carrier body;
the receiving end unit comprises a phototriode 31, and the phototriode 31 is arranged on the upper surface 111 of the carrier body; the seventh connecting end 1311 and the tenth connecting end 1321 are arranged on the upper surface 111 of the carrier body, the seventh connecting end 1311 is connected with the collector electrode of the phototriode 31, the tenth connecting end 1321 is connected with the emitter electrode of the phototriode 31, and the base electrode of the phototriode 31 is a photosensitive area; the eighth connection end 1312 and the eleventh connection end 1322 are disposed on the lower surface 112 of the carrier body, and are used for connecting with a circuit outside the photoelectric coupling device; the ninth and twelfth connection ends 1333 are partially disposed in the groove a of the left side 113 of the carrier body;
the reflecting assembly comprises a bracket 61, wherein the bracket 61 in the embodiment is in a stool shape and is provided with an opening end 611, a top end 612 arranged opposite to the opening end 611, and 4 side posts 613,4 side posts 613 arranged between the opening end 611 and the top end 612 are symmetrically arranged on the left and right (only 2 are shown in the figure) and are similar to four corners of a stool; an open end 611, which is disposed opposite the top end 612 of the stool, faces the upper surface 111 of the carrier body, aligning the emitting end element 21 with the area of the phototransistor 31; with the height of the 4 jambs 613, a gap B is formed between the open end 611 and the top end 612; the 4 side posts 613 are spaced apart, and the spaces between the two side posts serve as glue passing channels (not shown) penetrating the outside and the gaps; the top end 612 is planar; the inner surface of the top end 612 is provided with a first reflecting member 614, and the first reflecting member 614 may be a plate material with a metal layer plated on the surface, and is located above the area where the emitting end element 21 and the phototransistor 31 are located, for reflecting light;
the first packaging unit is arranged in a dispensing or molding mode by means of the glue passage and comprises a first packaging part 41 and a second packaging part 42, the first packaging part 41 is arranged in a gap between the top end 612 and the opening end 611, the second packaging part 42 covers the whole support 61, and the first packaging part 41 and the second packaging part 42 are of an integrated structure.
The second packaging unit 5 is disposed on the upper surface 111 of the carrier body by dispensing or molding, and covers the second packaging portion 42 and the upper surface 111 of the carrier body.
The second encapsulation unit 5 employs a different encapsulation material than the first encapsulation unit. The first encapsulation unit is a light transmitting unit and the second encapsulation unit 5 is a light non-transmitting unit, such as a black glue. The second packaging unit 5 can avoid light leakage, and can also protect the reflecting component, the first packaging unit and the upper surface 111 of the carrier body.
The photoelectric coupling device that this embodiment provided, transmitting terminal component and receiving terminal component all set up the upper surface at the carrier body, set up the reflection subassembly in transmitting terminal component and receiving terminal component's top for reflect light, simple structure, and obviously promoted light transmission effect.
The foregoing is a further detailed description of embodiments of the utility model in connection with the specific embodiments, and it is not intended that the utility model be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.
Claims (10)
1. A photoelectric coupling device is characterized by comprising a carrier unit, a transmitting end unit, a receiving end unit, a first packaging unit, a second packaging unit and a reflecting component, wherein,
the carrier unit comprises a carrier body, a first circuit unit and a second circuit unit; the carrier body includes an upper surface, a lower surface, and a side surface between the upper surface and the lower surface;
the first circuit unit comprises at least one first connecting unit and at least one second connecting unit, wherein the first connecting unit comprises a first connecting end, a second connecting end and a third connecting end connected between the first connecting end and the second connecting end; the second connecting unit comprises a fourth connecting end, a fifth connecting end and a sixth connecting end connected between the fourth connecting end and the fifth connecting end;
the second circuit unit comprises at least one third connection unit and at least one fourth connection unit, wherein the third connection unit comprises a seventh connection end, an eighth connection end and a ninth connection end connected between the seventh connection end and the eighth connection end; the fourth connection unit includes a tenth connection end, an eleventh connection end, and a twelfth connection end connected between the tenth connection end and the eleventh connection end;
the transmitting end unit comprises at least one transmitting end element, and the transmitting end element is mounted on the upper surface of the carrier body; the first connecting end and the fourth connecting end are arranged on the upper surface of the carrier body, the first connecting end is connected with the first electrode of the transmitting end element, and the fourth connecting end is connected with the second electrode of the transmitting end element; the second connecting end and the fifth connecting end extend out of the carrier body or are arranged on the lower surface of the carrier body and are used for being connected with a circuit outside the photoelectric coupling device;
the receiver unit comprises at least one receiver element mounted to the upper surface of the carrier body; the seventh connecting end and the tenth connecting end are arranged on the upper surface of the carrier body, the seventh connecting end is connected with the third electrode of the receiving end element, and the tenth connecting end is connected with the fourth electrode of the receiving end element; the eighth connecting end and the eleventh connecting end extend out of the carrier body or are arranged on the lower surface of the carrier body and are used for being connected with a circuit outside the photoelectric coupling device;
the reflecting component is arranged on the upper surface of the carrier body and is positioned above the transmitting end element and the receiving end element and used for reflecting light rays;
the first packaging unit is arranged on the upper surface of the carrier body and covers the transmitting end element and the receiving end element;
the second packaging unit is arranged on the upper surface of the carrier body and covers the reflecting component, the first packaging unit and the upper surface of the carrier body.
2. The optocoupler of claim 1, wherein there is a gap between the reflective assembly and the upper of the transmitting end element and the receiving end element; the first packaging unit is arranged in the gap, or the first packaging unit is arranged in the gap and covers the reflecting component.
3. The photocoupling device of claim 2, wherein said reflective assembly comprises a bracket having an open end, a top end disposed opposite said open end, and a sidewall end between said open end and said top end; a preset interval is arranged between the opening end and the top end; the open end is directed towards the upper surface of the carrier body, in alignment with the area where the transmitting end element and the receiving end element are located.
4. A photocoupling device as claimed in claim 3, wherein the inner surface of said tip is provided with a first reflecting means and/or the inner surface of said sidewall end is provided with a second reflecting means.
5. The photocoupling device of claim 3, wherein said top end and said side wall end are of unitary construction.
6. The optocoupler of claim 3, wherein the sidewall ends are of continuous construction or the sidewall ends comprise N side posts spaced apart, N being an even number greater than or equal to 2.
7. The photocoupling device of claim 3, wherein said tip is planar.
8. The photocoupling device of claim 3, wherein said bracket is one of cylindrical, semi-circular, conical, square, trapezoidal, stool-shaped, bowl-shaped or irregular.
9. The optocoupler of any one of claims 2 to 8, wherein the reflective component is provided with at least one glue passage penetrating the exterior and the gap.
10. The optocoupler of claim 9, wherein the first encapsulation unit includes a first encapsulation portion and a second encapsulation portion, the first encapsulation portion being disposed in the gap, the second encapsulation portion covering the reflective assembly; the first packaging part and the second packaging part are of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320408287.6U CN219591396U (en) | 2023-03-02 | 2023-03-02 | Photoelectric coupling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320408287.6U CN219591396U (en) | 2023-03-02 | 2023-03-02 | Photoelectric coupling device |
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| Publication Number | Publication Date |
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| CN219591396U true CN219591396U (en) | 2023-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320408287.6U Active CN219591396U (en) | 2023-03-02 | 2023-03-02 | Photoelectric coupling device |
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| Country | Link |
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| CN (1) | CN219591396U (en) |
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- 2023-03-02 CN CN202320408287.6U patent/CN219591396U/en active Active
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