CN218567636U - Pipeline water flow sensor - Google Patents
Pipeline water flow sensor Download PDFInfo
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- CN218567636U CN218567636U CN202222776193.2U CN202222776193U CN218567636U CN 218567636 U CN218567636 U CN 218567636U CN 202222776193 U CN202222776193 U CN 202222776193U CN 218567636 U CN218567636 U CN 218567636U
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Abstract
The utility model provides a pipeline rivers sensor, it includes: the inner wall of the pipeline is provided with a reflecting block, and the reflecting block is provided with a first reflecting surface and a second reflecting surface; the detection component is connected with the pipeline and is arranged corresponding to the reflection block; the detection part is internally provided with an accommodating cavity; a detection element disposed within the accommodation chamber; the detection element includes: the circuit board, the light emitter and the light receiver are arranged on the circuit board and are arranged in parallel; the method has the advantages that the mode of transmitting light by single reflection in the prior art is abandoned, and the mode of reflecting twice is innovatively used for detecting the water flow in the pipeline; wherein, light emitter and light receiver set to the mode that is parallel to each other to set up the reflection piece that has two plane of reflection in the pipeline, make the degree of difficulty that light emitter and light receiver installed on the circuit board reduce, hold the intracavity moreover and need not set up at corresponding inclined plane, thereby reduce the production degree of difficulty of whole pipeline rivers sensor, improve production efficiency.
Description
Technical Field
The utility model relates to a pipeline rivers detect technical field, in particular to pipeline rivers sensor.
Background
In daily life and production, some electrical appliances (such as instant electric water heaters, water dispensers and other electrical appliances) need to detect water flow in a water pipe to obtain corresponding signals so as to perform corresponding operations. Chinese patent CN202122761995.1, which was previously filed by the applicant, discloses a water flow detection device, which uses the principle of optical reflection to detect the water flow in a water pipe.
However, the optical transmitter and the optical receiver of the water flow detection device are arranged obliquely to each other, which results in increased difficulty in mounting the optical transmitter and the optical receiver on the circuit board; moreover, the accommodating cavity needs to be provided with corresponding inclined planes (an incident plane and an emergent plane) to cater for the incidence and the emergence of light rays, which causes certain difficulty in processing and manufacturing and is inconvenient for production.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pipeline rivers sensor aims at solving the big problem of the production degree of difficulty of the pipeline rivers sensor among the prior art.
In order to achieve the above purpose, the technical scheme of the utility model has:
the utility model provides a pipeline rivers sensor, it includes:
the inner wall of the pipeline is provided with a reflecting block, and the reflecting block is provided with a first reflecting surface and a second reflecting surface;
a detection member connected to the duct and provided corresponding to the reflection block; the detection part is internally provided with an accommodating cavity;
a detection element disposed within the containment chamber; the detection element includes: the circuit board, be used for to the first reflection surface emitting light's optical emitter and the optical receiver that is used for receiving the light from the second reflection surface, optical emitter and optical receiver set up on the circuit board and mutual parallel arrangement.
Compared with the prior art, the method has the advantages that the mode of transmitting light by single reflection in the prior art is abandoned, and the mode of reflecting twice is innovatively used for detecting the water flow in the pipeline; the light emitter and the light receiver are arranged in a parallel mode, and the reflecting block with two reflecting surfaces is arranged in the pipeline, so that the difficulty of mounting the light emitter and the light receiver on a circuit board is reduced, and the accommodating cavity does not need to be arranged on a corresponding inclined plane, so that the production difficulty of the whole pipeline water flow sensor is reduced, and the production efficiency is improved.
In a preferred embodiment, the pipeline and the detection part are arranged separately, and the detection part is detachably connected to the pipeline.
In a preferred embodiment, the outer wall of the pipeline is provided with a positioning block, and the positioning block is arranged corresponding to the reflecting block;
when the detection part is installed outside the pipeline, a detection element in the detection part is positioned above the positioning block.
In a preferred embodiment, the outer side of the positioning block abuts against the inner side of the accommodating cavity.
In a preferred embodiment, the conduit and the detection member are integrally formed.
In a preferred embodiment, the pipeline comprises a detection section, and the reflecting block is arranged on the inner wall of the detection section;
the length direction of the reflecting block is parallel to the water flow direction of the detection section.
In a preferred embodiment, the reflection block includes a first reflection portion having the first reflection surface, a second reflection portion having the second reflection surface, and a connection portion through which the first reflection portion is connected to the second reflection portion;
the lower end face of the connecting part is a plane.
In a preferred embodiment, the optical transmitter and the optical receiver are horizontally disposed on the circuit board.
In a preferred embodiment, the optical transmitter and the optical receiver are vertically disposed on the circuit board.
For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a perspective view of embodiment 1 of the ducted water flow sensor of the present application;
FIG. 2 is an exploded view of embodiment 1 of the ducted water flow sensor of the present application;
FIG. 3 is a transverse cross-sectional view of embodiment 1 of the ducted water flow sensor of the present application;
FIG. 4 is a perspective view of embodiment 2 of the ducted water flow sensor of the present application;
FIG. 5 is an exploded view of embodiment 2 of the ducted water flow sensor of the present application;
FIG. 6 is a longitudinal cross-sectional view of embodiment 2 of the ducted water flow sensor of the present application;
FIG. 7 is a perspective view of embodiment 3 of the ducted water flow sensor of the present application;
FIG. 8 is a transverse cross-sectional view of embodiment 3 of the ducted water flow sensor of the present application
FIG. 9 is a perspective view of embodiment 4 of the ducted water flow sensor of the present application;
fig. 10 is a longitudinal sectional view of embodiment 4 of the pipe water flow sensor of the present application.
Description of reference numerals:
the detection device comprises a pipeline 10, a detection section 10a, a water inlet section 10b, a water outlet section 10c, a reflection block 110, a first reflection surface 111, a second reflection surface 112, a connection part 115, a positioning block 120, a detection part 20, a first split 20a, a second split 20b, a receiving cavity 210, a receiving cavity 220, a circuit board 310, a light emitter 320 and a light receiver 330.
Detailed Description
In order to better illustrate the present invention, the following detailed description of the present invention is made with reference to the accompanying drawings.
It should be understood that the embodiments described are only a few embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the embodiments in the present application.
The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the present application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the application, as detailed in the appended claims. In the description of the present application, it is to be understood that the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not necessarily used to describe a particular order or sequence, nor are they to be construed as indicating or implying relative importance. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
Further, in the description of the present application, "a plurality" means two or more unless otherwise specified. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
The prior art water flow detecting device has structural disadvantages, for example, the light emitter and the light receiver of the water flow detecting device are arranged obliquely to each other so as to match the single reflection of the reflecting surface, which however causes the difficulty of mounting the light emitter and the light receiver on the circuit board to increase; moreover, the accommodating cavity needs to be provided with corresponding inclined planes (an incident plane and an emergent plane) to cater for the incidence and the emergence of light, which causes certain difficulty in processing and manufacturing and is inconvenient to produce.
Example 1
Referring to fig. 1 to 3, the present invention provides a pipeline flow sensor, which includes: a duct 10, an inner wall of which is provided with a reflection block 110, the reflection block 110 having a first reflection surface 111 and a second reflection surface 112; a detection member 20 connected to the duct 10 and provided corresponding to the reflection block 110; the detection part 20 is internally provided with a containing cavity 210; a detection element disposed within the accommodation chamber 210; the detection element includes: a circuit board 310, a light emitter 320 for emitting light to the first reflection surface, and a light receiver 330 for receiving light from the second reflection surface, wherein the light emitter 320 and the light receiver 330 are disposed on the circuit board 310 and are parallel to each other.
Specifically, the optical reflector is electrically operated and emits an incident light to the first reflecting surface 111, when no liquid (e.g. water) exists in the pipe 10, the refractive index of the pipe 10 is greater than that of air in the pipe 10, the first reflecting surface 111 reflects the light to the second reflecting surface 112, the second reflecting surface 112 reflects the light to the optical receiver 330, and the optical receiver 330 receives the light and generates a signal. When there is liquid flowing in the pipe 10, the refractive index of the pipe 10 is the same as that of the liquid, the light emitted by the light emitter 320 will travel along a straight line and enter the liquid, and at this time, the light receiver 330 cannot receive the light and does not generate a signal.
Compared with the prior art, the method has the advantages that the mode of transmitting light by single reflection in the prior art is abandoned, and the mode of reflecting twice is innovatively used for detecting the water flow in the pipeline 10; the light emitter 320 and the light receiver 330 are arranged in parallel, and the reflection block 110 with two reflection surfaces is arranged in the pipeline 10, so that the difficulty of mounting the light emitter 320 and the light receiver 330 on the circuit board 310 is reduced, and the accommodating cavity 210 does not need to be arranged on a corresponding inclined surface, thereby reducing the production difficulty of the whole pipeline water flow sensor and improving the production efficiency.
In one embodiment, the pipe 10 and the detecting member 20 are separate bodies, and the detecting member 20 is detachably connected to the pipe 10. In the embodiment, the detection component 20 is detachably mounted on the pipeline, so that the replaceability of the pipeline water flow sensor of the embodiment is enhanced, and once any one of the pipeline 10, the detection component 20 or the detection element is failed or damaged, the pipeline water flow sensor can be replaced purposefully, and the maintenance cost is reduced.
Further, a positioning block 120 is disposed on an outer wall of the duct 10, and the positioning block 120 is disposed corresponding to the reflection block 110; when the detecting unit 20 is mounted outside the pipe 10, the detecting element in the detecting unit 20 is located above the positioning block 120. In the embodiment, the positioning block 120 is arranged on the outer wall of the pipeline 10, and the positioning block 120 is used for positioning, so that an assembling person can determine the relative position of the detection component 20 on the pipeline 10 according to the position of the positioning block 120, and the installation is convenient.
Preferably, the outer side of the positioning block 120 abuts against the inner side of the accommodating cavity 210, and an assembler can determine whether the detection member 20 is mounted in place by the abutment between the outer side of the positioning block 120 and the inner side of the accommodating cavity 210.
Further, the detecting member 20 includes a first body 20a and a second body 20b, the first body and the second body are connected and enclose the accommodating cavity 210 and the accommodating cavity 220, and the accommodating cavity 210 is used for loading the detecting element; the receiving cavity 220 has a slot hole formed therethrough so as to wrap the pipe 10 in the receiving cavity 220. The first and second sub-bodies may be connected by a snap connection or an adhesive, which is not limited in the present application.
In one embodiment, the pipeline 10 includes a detection section 10a, and the reflection block 110 is disposed on an inner wall of the detection section 10 a; the length direction of the reflection block 110 is parallel to the water flow direction of the detection section 10 a. In this embodiment, in the above manner, when the water in the pipeline 10 flows through the detection section 10a, the resistance of the reflection block 110 to the water flowing in the pipeline 10 can be reduced.
It should be noted that the pipeline 10 has a water inlet section 10b and a water outlet section 10c, and both the water inlet section 10b and the water outlet section 10c are communicated with the detection section 10a to realize water flow circulation.
In one embodiment, the reflection block 110 includes a first reflection portion having the first reflection surface 111, a second reflection portion having the second reflection surface 112, and a connection portion 115, and the first reflection portion is connected to the second reflection portion through the connection portion 115; the lower end surface of the connecting portion 115 is a flat surface. In this embodiment, the protruding height of the reflection block 110 in the duct 10 can be reduced by providing the connection part 115.
In an embodiment, the optical transmitter 320 and the optical receiver 330 are horizontally disposed on the circuit board 310, and are disposed in a horizontal manner, and the length direction of the reflection block 110 is arranged in parallel with the water flow direction of the detection section 10a, so that the pipe water flow sensor of the present embodiment can have a flat design, and the volume thereof becomes as small as possible.
Example 2
As shown in fig. 4 to fig. 6, the present embodiment is different from embodiment 1 in that the duct 10 of the present embodiment includes a detection section 10a, and the reflection block 110 is disposed on an inner wall of the detection section 10 a; the length direction of the reflection block 110 is perpendicular to the water flow direction of the detection section 10 a.
Further, the optical transmitter 320 and the optical receiver 330 are vertically disposed on the circuit board 310, and the present embodiment is configured in a vertical manner, so that the optical transmitter 320 and the optical receiver 330 are more easily mounted on the circuit board 310.
Example 3
Referring to fig. 7 to 8, the present embodiment is different from embodiment 1 in that the duct 10 and the detecting member 20 are integrally formed, and the present embodiment can reduce the number of dies and the number of production processes by using an integral forming technique, so that the production cost can be reduced.
Example 4
As shown in fig. 9 to 10, the present embodiment is different from embodiment 3 in that the optical transmitter 320 and the optical receiver 330 are vertically disposed on the circuit board 310.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, such terms are used for convenience of description and are not to be construed as limiting the invention in any way.
Claims (9)
1. A pipeline water flow sensor, comprising:
the inner wall of the pipeline is provided with a reflecting block, and the reflecting block is provided with a first reflecting surface and a second reflecting surface;
a detection member connected to the pipe and provided corresponding to the reflection block; the detection part is internally provided with a containing cavity;
a detection element disposed within the containment chamber; the detection element includes: the light emitter and the light receiver are arranged on the circuit board and are arranged in parallel.
2. The pipeline water flow sensor of claim 1 wherein:
the pipeline and the detection component are arranged in a split mode, and the detection component is detachably connected to the pipeline.
3. The pipeline water flow sensor of claim 2 wherein:
a positioning block is arranged on the outer wall of the pipeline and corresponds to the reflecting block;
when the detection part is installed outside the pipeline, a detection element in the detection part is positioned above the positioning block.
4. The pipeline water flow sensor of claim 3 wherein:
the outer side of the positioning block is abutted against the inner side of the accommodating cavity.
5. The pipeline water flow sensor of claim 1 wherein:
the pipeline and the detection part are integrally formed.
6. The pipeline water flow sensor of claim 1 wherein:
the pipeline comprises a detection section, and the reflection block is arranged on the inner wall of the detection section;
the length direction of the reflecting block is parallel to the water flow direction of the detection section.
7. The pipeline water flow sensor of claim 1 wherein:
the reflection block comprises a first reflection part with the first reflection surface, a second reflection part with the second reflection surface and a connection part, and the first reflection part is connected with the second reflection part through the connection part;
the lower end face of the connecting part is a plane.
8. The pipeline water flow sensor of claim 6 wherein:
the light emitter and the light receiver are horizontally arranged on the circuit board.
9. The pipeline water flow sensor of claim 1 wherein:
the light emitter and the light receiver are vertically arranged on the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222776193.2U CN218567636U (en) | 2022-10-20 | 2022-10-20 | Pipeline water flow sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222776193.2U CN218567636U (en) | 2022-10-20 | 2022-10-20 | Pipeline water flow sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218567636U true CN218567636U (en) | 2023-03-03 |
Family
ID=85317935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222776193.2U Active CN218567636U (en) | 2022-10-20 | 2022-10-20 | Pipeline water flow sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218567636U (en) |
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2022
- 2022-10-20 CN CN202222776193.2U patent/CN218567636U/en active Active
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