CN210294079U - Turbidity sensor module and turbidity sensor - Google Patents
Turbidity sensor module and turbidity sensor Download PDFInfo
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- CN210294079U CN210294079U CN201920577836.6U CN201920577836U CN210294079U CN 210294079 U CN210294079 U CN 210294079U CN 201920577836 U CN201920577836 U CN 201920577836U CN 210294079 U CN210294079 U CN 210294079U
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- turbidity sensor
- circuit board
- sensor module
- housing
- bracket
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Abstract
The utility model discloses a turbidity sensor module and turbidity sensor, include: a bracket having a first surface and a second surface opposite in a horizontal direction; a first circuit board mounted on a first surface of the bracket; a second circuit board mounted on a second surface of the bracket; a light emitter disposed on the second circuit board; and a light receiver disposed on the first circuit board and facing the light emitter. The utility model discloses in, light emitter and photoreceiver set up respectively on an independent circuit board, consequently, simple structure, simple to operate has reduced turbidity sensor's manufacturing cost.
Description
Technical Field
The utility model relates to a turbidity sensor module and including the turbidity sensor of this turbidity sensor module especially relate to a turbidity sensor module and turbidity sensor who is suitable for the dirty degree of detection liquid.
Background
In the prior art, turbidity sensors are provided in some intelligent washing devices (e.g. washing machines or dishwashers). The turbidity sensor can detect the turbidity value of water in the cleaning equipment and can automatically set the cleaning mode of the cleaning equipment according to the detected turbidity value. For example, when the detected turbidity value is high, indicating that the article to be washed is dirty, the number of washing times and the washing time may be increased to ensure that the article is washed clean. However, the conventional turbidity sensor has a complicated structure, is difficult to install, and has high cost.
SUMMERY OF THE UTILITY MODEL
The object of the present invention is to solve at least one of the above problems and drawbacks existing in the prior art.
According to an aspect of the present invention, there is provided a turbidity sensor module, comprising: a bracket having a first surface and a second surface opposite in a horizontal direction; a first circuit board mounted on a first surface of the bracket; a second circuit board mounted on a second surface of the bracket; a light emitter disposed on the second circuit board; and a light receiver disposed on the first circuit board and facing the light emitter.
According to an exemplary embodiment of the present invention, the optical receiver is a digital optical receiver integrated on the first circuit board, and the optical transmitter is a digital optical transmitter integrated on the second circuit board.
According to another exemplary embodiment of the present invention, the light receiver is adapted for receiving light emitted from the light emitter and for converting an intensity of the received light into digitized light intensity information, the turbidity sensor being adapted for outputting the digitized light intensity information.
According to another exemplary embodiment of the present invention, the turbidity sensor module further comprises a pair of power terminals electrically connecting the first circuit board and the second circuit board.
According to another exemplary embodiment of the present invention, the pair of power terminals is provided on one of the first circuit board and the second circuit board, a pair of terminal insertion holes are formed on the other of the first circuit board and the second circuit board, and one ends of the pair of power terminals are inserted into the pair of terminal insertion holes.
According to another exemplary embodiment of the present invention, a slot hole allowing the pair of power terminals to pass through is formed on the bracket.
According to the utility model discloses a first circuit board is suitable for cartridge respectively to arrive in a plurality of first locating holes, so that will first circuit board is installed on the first surface of support.
According to the utility model discloses a second circuit board is suitable for cartridge respectively to arrive in a plurality of second locating holes, so that will the second circuit board is installed the second of support is surperficial on.
According to another exemplary embodiment of the present invention, the turbidity sensor module further comprises a connector on which a slot is formed, the upper end of the first circuit board being adapted to be inserted into the slot of the connector.
According to another exemplary embodiment of the present invention, a plurality of conductive terminals are provided in the slot of the connector, and a plurality of conductive contact pads are provided on a surface of an upper end of the first circuit board, the plurality of conductive contact pads being adapted to be in electrical contact with the plurality of conductive terminals, respectively.
According to another exemplary embodiment of the present invention, the connector further comprises a plurality of wires electrically connected to the plurality of conductive terminals, respectively.
According to another exemplary embodiment of the present invention, an elastic buckle is formed at the top of the bracket, the elastic buckle being adapted to be snapped onto a top edge of the body of the connector, thereby locking the connector on the first circuit board.
According to another aspect of the present invention, there is provided a turbidity sensor including a housing and the aforementioned turbidity sensor module accommodated in the housing, a portion of the housing corresponding to a light emitter and a light receiver of the turbidity sensor module being transparent to allow light emitted from the light emitter to pass through the housing and be received by the light receiver.
According to an exemplary embodiment of the present invention, the housing is opaque except for portions corresponding to the light emitter and the light receiver of the turbidity sensor module.
According to another exemplary embodiment of the present invention, the housing is transparent as a whole.
According to another exemplary embodiment of the present invention, a receiving groove matched with the turbidity sensor module is formed in the housing, and the turbidity sensor module is positioned in the receiving groove of the housing.
According to another exemplary embodiment of the present invention, a pair of elastic latches are formed in the housing, the pair of elastic latches being adapted to latch onto the protrusions of the two sides of the support, respectively, so that the turbidity sensor module can be locked in the housing.
According to another exemplary embodiment of the present invention, a groove for accommodating a liquid to be detected is formed on an outer wall of the bottom of the housing, the light emitter and the light receiver are respectively located at both sides of the groove, and light emitted from the light emitter passes through the liquid in the groove and is incident on the light receiver.
According to another exemplary embodiment of the present invention, the turbidity sensor further comprises a cover adapted to be mounted on the upper opening of the housing.
According to another exemplary embodiment of the present invention, a plurality of positioning protrusions are formed on an outer edge of the upper opening of the housing, a plurality of positioning grooves corresponding to the plurality of positioning protrusions, respectively, are formed on the cover, and the plurality of positioning protrusions are adapted to be respectively snapped into the plurality of positioning grooves, so that the cover can be latched onto the upper opening of the housing.
According to another exemplary embodiment of the present invention, a through hole allowing a wire of a connector of the turbidity sensor module to pass through is formed on the cover.
In each of the aforementioned exemplary embodiments according to the present invention, the light emitter and the light receiver are respectively disposed on an independent circuit board, so that the structure is simple, the installation is convenient, and the manufacturing cost of the turbidity sensor is reduced.
Other objects and advantages of the present invention will become apparent from the following description of the invention, which is made with reference to the accompanying drawings, and can help to provide a thorough understanding of the present invention.
Drawings
Fig. 1 shows an exploded schematic view of a turbidity sensor according to an exemplary embodiment of the present invention;
fig. 2 shows a schematic perspective view of a turbidity sensor according to an exemplary embodiment of the present invention;
fig. 3 shows a partial cross-sectional view of a turbidity sensor according to an exemplary embodiment of the present invention.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components. The following description of the embodiments of the present invention with reference to the drawings is intended to explain the general inventive concept and should not be construed as limiting the invention.
Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in schematic form in order to simplify the drawing.
According to a general technical concept of the present invention, there is provided a turbidity sensor module, including: a bracket having a first surface and a second surface opposite in a horizontal direction; a first circuit board mounted on a first surface of the bracket; a second circuit board mounted on a second surface of the bracket; a light emitter disposed on the second circuit board; and a light receiver disposed on the first circuit board and facing the light emitter.
Fig. 1 shows an exploded schematic view of a turbidity sensor according to an exemplary embodiment of the present invention; fig. 2 shows a schematic perspective view of a turbidity sensor according to an exemplary embodiment of the present invention.
As shown in fig. 1 and 2, in the illustrated embodiment, the turbidity sensor mainly includes: a housing 20 and a turbidity sensor module 10. The turbidity sensor module 10 is accommodated in a housing 20.
As shown in fig. 1 and 2, in the illustrated embodiment, the turbidity sensor module 10 basically includes: a bracket 13, a first circuit board 11, a second circuit board 12, an optical transmitter 121 and an optical receiver 111. The bracket 13 has a first surface and a second surface opposite in the horizontal direction. In the illustrated embodiment, the first and second surfaces are parallel to a vertical plane. The first circuit board 11 is mounted on a first surface of the bracket 13. The second circuit board 12 is mounted on a second surface of the bracket 13. The light emitter 121 is disposed on the second circuit board 12. The optical receiver 111 is disposed on the first circuit board 11 and faces the optical transmitter 121 for receiving light emitted from the optical transmitter 121.
In an exemplary embodiment of the present invention, as shown in fig. 1 and 2, portions of the housing 20 corresponding to the light emitter 121 and the light receiver 111 of the turbidity sensor module 10 are transparent to allow light emitted from the light emitter 121 to pass through the housing 20 and be received by the light receiver 111.
In an exemplary embodiment of the present invention, as shown in fig. 1 and 2, the housing 20 may be transparent as a whole. However, the present invention is not limited thereto, and for example, the housing 20 may be opaque except for portions corresponding to the light emitter 121 and the light receiver 111 of the turbidity sensor module 10.
As shown in fig. 1 and 2, in the illustrated embodiment, light passing holes 136 corresponding to the light emitter 121 and the light receiver 111 are formed in the bracket 13, and light emitted from the light emitter 121 may pass through the bracket 13 through the light passing holes 136. Further, receiving recesses corresponding to the light emitter 121 and the light receiver 111, respectively, are formed on the bracket 13, and the light emitter 121 and the light receiver 111 can be received in the corresponding receiving recesses, respectively.
In an exemplary embodiment of the present invention, as shown in fig. 1 and 2, the optical receiver 111 may be a digital optical receiver integrated on the first circuit board 11, and the optical transmitter 121 may be a digital optical transmitter integrated on the second circuit board 12. In this way, the construction and assembly steps of the turbidity sensor can be further simplified.
As shown in fig. 1 and 2, in the illustrated embodiment, the light receiver 111 is adapted to receive light emitted from the light emitter 121 and to convert the intensity of the received light into digitized light intensity information, so that the turbidity sensor can directly output the digitized light intensity information.
As shown in fig. 1 and 2, in the illustrated embodiment, the turbidity sensor further includes a pair of power terminals 123. The pair of power terminals 123 electrically connects the first circuit board 11 and the second circuit board 12.
As shown in fig. 1 and 2, in the illustrated embodiment, a pair of power terminals 123 is provided on one of the first circuit board 11 and the second circuit board 12. A pair of terminal insertion holes 113 are formed on the other of the first circuit board 11 and the second circuit board 12. One ends of the pair of power terminals 123 are inserted into the pair of terminal insertion holes 113.
As shown in fig. 1 and 2, in the illustrated embodiment, a slot 133 allowing the pair of power terminals 123 to pass therethrough is formed on the bracket 13. The pair of power terminals 123 horizontally pass through the slots 133 of the bracket 13.
As shown in fig. 1 and 2, in the illustrated embodiment, a plurality of first positioning protrusions 131 are formed on the first surface of the bracket 13, and a plurality of first positioning holes 112 corresponding to the plurality of first positioning protrusions 131, respectively, are formed on the first circuit board 11. The plurality of first positioning protrusions 131 are adapted to be inserted into the plurality of first positioning holes 112, respectively, so as to mount the first circuit board 11 on the first surface of the bracket 13.
As shown in fig. 1 and 2, in the illustrated embodiment, a plurality of second positioning protrusions 132 are formed on the second surface of the bracket 13, and a plurality of second positioning holes 122 corresponding to the plurality of second positioning protrusions 132, respectively, are formed on the second circuit board 12. The second positioning projections 132 are adapted to be inserted into the second positioning holes 122, respectively, so as to mount the second circuit board 12 on the second surface of the bracket 13.
As shown in fig. 1 and 2, in the illustrated embodiment, the turbidity sensor further comprises a connector 14. A slot 141 is formed on the connector 14, and the upper end of the first circuit board 11 is adapted to be plugged into the slot 141 of the connector 14.
As shown in fig. 1 and 2, in the illustrated embodiment, a plurality of conductive terminals 140 are disposed in slots 141 of the connector 14. A plurality of conductive contact pads 110 are provided on a surface of an upper end of the first circuit board 11. The plurality of conductive contact pads 110 are adapted to electrically contact a plurality of conductive terminals 140, respectively.
As shown in fig. 1 and 2, in the illustrated embodiment, the connector 14 further includes a plurality of wires 142. The conductive wires 142 are electrically connected to the conductive terminals 140, respectively.
Fig. 3 shows a partial cross-sectional view of a turbidity sensor according to an exemplary embodiment of the present invention.
As shown in fig. 1 to 3, in the illustrated embodiment, an elastic catch 134 is formed at the top of the bracket 13, and the elastic catch 134 is adapted to catch on the top edge of the body of the connector 14, thereby locking the connector 14 on the first circuit board 11.
As shown in fig. 1 to 3, in the illustrated embodiment, a receiving groove matched with the turbidity sensor module 10 is formed in the housing 20, and the turbidity sensor module 10 is positioned in the receiving groove of the housing 20.
As shown in fig. 1 to 3, in the illustrated embodiment, one convex portion 135 is formed on each side of the bracket 13. A pair of elastic latches 23 are formed in the housing 20, and the pair of elastic latches 23 are adapted to latch to the protrusions 135 of both sides of the bracket 13, respectively, so that the turbidity sensor module 10 can be locked in the housing 20.
As shown in fig. 1 to 3, in the illustrated embodiment, a groove 22 for containing a liquid to be detected (e.g., wash water) is formed on an outer wall of a bottom portion of the housing 20, the light emitter 121 and the light receiver 111 are respectively located at both sides of the groove 22, and light emitted from the light emitter 121 passes through the liquid in the groove 22 and is incident on the light receiver 111.
As shown in fig. 1-3, in the illustrated embodiment, the turbidity sensor further includes a cover 30, the cover 30 being adapted to fit over the upper opening of the housing 20.
As shown in fig. 1 to 3, in the illustrated embodiment, a plurality of positioning projections 21 are formed on an outer edge of an upper opening of the housing 20. A plurality of positioning grooves 31 corresponding to the plurality of positioning projections 21, respectively, are formed on the cover 30. The plurality of positioning protrusions 21 are adapted to be snapped into the plurality of positioning grooves 31, respectively, so that the cover 30 can be latched on the upper opening of the housing 20.
As shown in fig. 1 to 3, in the illustrated embodiment, through holes 32 allowing the wires 142 of the connector 14 to pass therethrough are formed on the cover 30. Thus, the lead 142 on the connector 14 can be led out from the turbidity sensor to the outside via the through hole 32 to be connected to an external controller.
It will be appreciated by those skilled in the art that the embodiments described above are exemplary and can be modified by those skilled in the art, and that the structures described in the various embodiments can be freely combined without conflict in structure or principle.
Although the present invention has been described in connection with the accompanying drawings, the embodiments disclosed in the drawings are intended to exemplify preferred embodiments of the present invention, and should not be construed as limiting the present invention.
Although a few embodiments of the present general inventive concept have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.
It should be noted that the word "comprising" does not exclude other elements or steps, and the words "a" or "an" do not exclude a plurality. Additionally, any element numbers of the claims should not be construed as limiting the scope of the invention.
Claims (21)
1. A turbidity sensor module, comprising:
a bracket (13) having a first surface and a second surface opposing in a horizontal direction;
a first circuit board (11) mounted on a first surface of the bracket (13);
a second circuit board (12) mounted on a second surface of the bracket (13);
a light emitter (121) disposed on the second circuit board (12); and
a light receiver (111) disposed on the first circuit board (11) and facing the light emitter (121).
2. The turbidity sensor module of claim 1, wherein:
the optical receiver (111) is a digital optical receiver integrated on the first circuit board (11), and the optical transmitter (121) is a digital optical transmitter integrated on the second circuit board (12).
3. The turbidity sensor module of claim 1, wherein:
the light receiver (111) is adapted to receive light emitted from the light emitter (121) and to convert the intensity of the received light into digitized light intensity information, and the turbidity sensor is adapted to output the digitized light intensity information.
4. A turbidity sensor module according to any one of claims 1-3, wherein:
the turbidity sensor module further comprises a pair of power terminals (123), the pair of power terminals (123) electrically connecting the first circuit board (11) and the second circuit board (12).
5. The turbidity sensor module of claim 4, wherein:
the pair of power terminals (123) is provided on one of the first circuit board (11) and the second circuit board (12),
a pair of terminal insertion holes (113) are formed in the other of the first circuit board (11) and the second circuit board (12), and one ends of the pair of power terminals (123) are inserted into the pair of terminal insertion holes (113).
6. The turbidity sensor module of claim 5, wherein:
a slot hole (133) allowing the pair of power terminals (123) to pass through is formed in the bracket (13).
7. A turbidity sensor module according to any one of claims 1-3, wherein:
a plurality of first positioning bulges (131) are formed on the first surface of the bracket (13), a plurality of first positioning holes (112) corresponding to the first positioning bulges (131) are formed on the first circuit board (11),
the first positioning projections (131) are adapted to be inserted into the first positioning holes (112), respectively, so as to mount the first circuit board (11) on the first surface of the bracket (13).
8. The turbidity sensor module of claim 7, wherein:
a plurality of second positioning projections (132) are formed on a second surface of the holder (13), a plurality of second positioning holes (122) corresponding to the plurality of second positioning projections (132) are formed on the second circuit board (12), respectively,
the second positioning projections (132) are adapted to be inserted into the second positioning holes (122), respectively, so as to mount the second circuit board (12) on the second surface of the bracket (13).
9. The turbidity sensor module of claim 1, wherein:
the turbidity sensor module further comprises a connector (14), a slot (141) is formed on the connector (14), and the upper end of the first circuit board (11) is suitable for being plugged into the slot (141) of the connector (14).
10. The turbidity sensor module of claim 9, wherein:
a plurality of conductive terminals (140) are disposed in the insertion groove (141) of the connector (14), a plurality of conductive contact pads (110) are disposed on a surface of an upper end of the first circuit board (11), and the plurality of conductive contact pads (110) are adapted to be in electrical contact with the plurality of conductive terminals (140), respectively.
11. The turbidity sensor module of claim 10, wherein:
the connector (14) further includes a plurality of conductive wires (142), the plurality of conductive wires (142) being electrically connected to the plurality of conductive terminals (140), respectively.
12. The turbidity sensor module of claim 9, wherein:
an elastic buckle (134) is formed on the top of the bracket (13), and the elastic buckle (134) is suitable for being buckled on the top edge of the body of the connector (14) so as to lock the connector (14) on the first circuit board (11).
13. A turbidity sensor, comprising:
a housing (20); and
turbidity sensor module (10) according to any one of claims 1-12, contained in said housing (20),
portions of the housing (20) corresponding to the light emitter (121) and the light receiver (111) of the turbidity sensor module (10) are transparent to allow light emitted from the light emitter (121) to pass through the housing (20) and be received by the light receiver (111).
14. A turbidity sensor according to claim 13, wherein:
the housing (20) is transparent except for portions corresponding to the light emitter (121) and the light receiver (111) of the turbidity sensor module (10), and opaque except for other portions.
15. A turbidity sensor according to claim 13, wherein: the housing (20) is transparent as a whole.
16. A turbidity sensor according to claim 13, wherein:
a receiving groove matched with the turbidity sensor module (10) is formed in the housing (20), and the turbidity sensor module (10) is positioned in the receiving groove of the housing (20).
17. A turbidity sensor according to claim 16, wherein:
a protrusion (135) is formed on each side of a bracket (13) of the turbidity sensor module (10), and a pair of elastic latches (23) is formed in the housing (20), the pair of elastic latches (23) being adapted to latch onto the protrusions (135) on each side of the bracket (13), respectively, so that the turbidity sensor module (10) can be locked in the housing (20).
18. A turbidity sensor according to claim 13, wherein:
a groove (22) for containing liquid to be detected is formed on the outer wall of the bottom of the shell (20), the light emitter (121) and the light receiver (111) are respectively positioned on two sides of the groove (22), and light emitted by the light emitter (121) passes through the liquid in the groove (22) and is incident on the light receiver (111).
19. A turbidity sensor according to claim 13, wherein:
the turbidity sensor further comprises a cover (30), the cover (30) being adapted to fit over the upper opening of the housing (20).
20. A turbidity sensor according to claim 19, wherein:
a plurality of positioning protrusions (21) are formed on the outer edge of the upper opening of the housing (20), a plurality of positioning grooves (31) corresponding to the plurality of positioning protrusions (21) respectively are formed on the cover (30), and the plurality of positioning protrusions (21) are adapted to be snapped into the plurality of positioning grooves (31) respectively, so that the cover (30) can be latched on the upper opening of the housing (20).
21. A turbidity sensor according to claim 19, wherein:
a through hole (32) allowing a lead wire (142) of a connector (14) of the turbidity sensor module (10) to pass through is formed on the cover (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920577836.6U CN210294079U (en) | 2019-04-25 | 2019-04-25 | Turbidity sensor module and turbidity sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920577836.6U CN210294079U (en) | 2019-04-25 | 2019-04-25 | Turbidity sensor module and turbidity sensor |
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| Publication Number | Publication Date |
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| CN210294079U true CN210294079U (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920577836.6U Active CN210294079U (en) | 2019-04-25 | 2019-04-25 | Turbidity sensor module and turbidity sensor |
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| CN (1) | CN210294079U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865637A (en) * | 2020-06-30 | 2021-12-31 | 泰科电子(上海)有限公司 | Sensor module |
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- 2019-04-25 CN CN201920577836.6U patent/CN210294079U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865637A (en) * | 2020-06-30 | 2021-12-31 | 泰科电子(上海)有限公司 | Sensor module |
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