TW202144777A - Water quality sensor including a base body and a sensing module - Google Patents

Abstract

The present invention relates to a water quality sensor, which includes a base body and a sensing module, wherein the hollow interior of the pedestal of the base body is formed with an accommodating space, and a first light transmitting part and a second light transmitting part extend in the same direction on one side of the pedestal, a storage space communicating with the accommodating space is formed in the interior of the second light transmitting part, and the storage space adjacent to one side surface of the first light transmitting part is provided with a light concentrating part allowing light to pass through and generate a light focusing phenomenon, a first light concentrating surface and a second light concentrating surface are respectively formed on two side surfaces of the light concentrating part, and a circuit board on the sensing module is electrically connected with a light emitting body for projecting light to the light concentrating part and a light receiving body for receiving light, Because the light concentrating part on the base body can be used to focus light to general light focusing phenomenon during the process of projecting light from the light emitting body to the light receiving body, losses of light energy are reduced so as to collect more light energy to the light receiving body, thereby improving the determination accuracy of the turbidity value of the water flow to increase washing efficiency.

Description

water sensor

The present invention relates to a water quality sensor, in particular, the light emitter of the sensing module projects light to the light receiver through direct radiation or one-time refraction, and in the process of projection, the light condensing body of the base can be used. The part is used to focus the passing light, thereby reducing the loss of light energy, thereby improving the accuracy of judging the turbidity value of the water flow, thereby increasing the washing efficiency.

Press, with the continuous advancement of the electronic technology era, many home appliances that can be easily used have come out one after another, and can be quickly processed through different home appliances in daily life to reduce the time-consuming, labor-intensive and imperfect manual operations. For household appliances that generally need to use water for operation, such as washing machines or dishwashers, they use the water flow inside the body to cooperate with cleaning fluids or detergents for cleaning operations. Wash items such as clothing, dishes, or cutlery.

Furthermore, during the cleaning process of general washing appliances, the water flow inside the body will be affected by the dust, fines, cleaning liquid or detergent and other substances accompanying the objects to be cleaned, resulting in a relatively high turbidity of the water quality. The purpose of cleaning the objects to be cleaned can only be achieved through repeated cleaning operations. Therefore, many more advanced washing appliances are equipped with a water quality sensor, and the water quality sensor can transmit or receive by projecting light. After the water quality is detected, the turbidity value of the water quality can be detected, and the turbidity of the water can be judged, and then set according to the turbidity value. Determine the current cleaning operation mode of home appliances such as washing machines or dishwashers (such as increasing the number of cleanings or prolonging the cleaning time, etc.), the purpose is to improve the efficiency of washing, and achieve the effect of avoiding water waste.

However, when the light emitter in the current water quality sensor projects light outward, the phenomenon of refraction will occur, and when the light enters the water flow, it will touch the material in the water and cause scattering, which will cause a lot of light energy Therefore, when the light receiver in the water quality sensor receives the light, the turbidity value cannot be accurately known, which in turn affects the accuracy of the judgment.

Therefore, how to solve the above-mentioned deficiencies and inconveniences is the direction of research and improvement that the relevant practitioners in this industry are eager to study and improve.

Therefore, in view of the above deficiencies, the inventor collects relevant information, evaluates and considers from various parties, and designs the invention patent of such a water quality sensor through continuous trials and revisions based on years of experience accumulated in this industry. .

The first object of the present invention is to form an accommodating space in the hollow base of the base, and a first light-transmitting portion and a second light-transmitting portion extend in the same direction at one side of the base, and then the second light-transmitting portion extends in the same direction on one side of the base. A storage space is formed inside the light portion and communicated with the storage space, and a side surface of the storage space adjacent to the first light-transmitting portion is provided with a condensing portion for light to pass through to generate a focusing phenomenon, and the condensing portion is adjacent to the storage space. A first condensing surface is formed on one side of the space, and a second condensing surface is formed on a side of the condensing portion adjacent to the first light-transmitting portion, and the circuit board of the sensing module is electrically connected to project light The light emitter to the light collecting part, and the light receiver for receiving the focused light, because the light emitter of the sensing module is projected to the light receiving body, the light collecting part of the base can be used to focus the passing light, thereby reducing the loss of light energy, so that more light energy can be collected to the light receiver of the sensing module, thereby improving the accuracy of the sensing module for judging the turbidity value of the water flow, thereby achieving the purpose of increasing the washing efficiency.

The second object of the present invention is that the two sides of the light collecting part of the base are respectively provided with a first light collecting surface and a second light collecting surface, so that the focusing effect can be effectively improved through the two focusing surfaces, thereby reducing the light The purpose of energy dissipation.

The third object of the present invention is that the first light-transmitting portion and the second light-transmitting portion of the base body are accommodated inside the casing, that is, they will not directly contact the water flow, so as to prevent the first light-transmitting portion and the second light-transmitting portion. Dirt accumulates on the surface of the surface, thereby maintaining a good light projection path, and achieving the purpose of reducing the cleaning and maintenance times of the water quality sensor.

The fourth object of the present invention is that the light emitting body and the light receiving body of the sensing module are directly formed on the circuit board by using surface adhesive technology, which can realize automatic assembly without additional components, so as to reduce the number of components The material and assembly cost can be reduced, and the assembly time can be reduced, so as to achieve the purpose of automatic assembly and reduction of manufacturing cost.

The fifth object of the present invention is that the first light-transmitting portion of the base body is located inside the accommodating space of the base with a light guide column. When the light emitter of the sensing module projects light, it can pass through the light guide column. To achieve the purpose of improving the effect of concentrated light.

The sixth object of the present invention is that the first light-transmitting portion and the second light-transmitting portion of the base body are respectively provided with light-condensing portions, and the shape of the two light-concentrating portions is the same, so that the sensing module is assembled in the base body. When assembling, it is not necessary to identify the direction of assembly, so as to achieve the purpose of improving the smoothness of assembly.

1: seat body

11: Pedestal

110: Accommodating space

1101: Opening

12: The first light-transmitting part

121: light guide

122: Refraction surface

123: light-emitting surface

124: light incident surface

125: light guide column

13: The second light-transmitting part

130: Storage space

14: Concentrator

141: The first condensing surface

142: The second concentrating surface

2: Sensing module

21: circuit board

211: Substrate

212: Positioning plate

213: Electrical Connector

22: Light Emitter

221: Glowing Surface

23: Light Receiver

231: Receiving surface

3: Shell

30: Channel

31: Shell seat

310: Groove

311: Perforation

312: Buckle slot

32: Shell

320: accommodating slot

321: base

322: Protrusion

323: Storage slot

324: Buckle block

33: Gasket

[Fig. 1] is a three-dimensional appearance view of a preferred embodiment of the present invention.

[Fig. 2] is an exploded perspective view of a preferred embodiment of the present invention.

[FIG. 3] is an exploded perspective view of the preferred embodiment of the present invention from another perspective.

[Fig. 4] is a side sectional view of the preferred embodiment of the present invention when it is used.

[FIG. 5] is a three-dimensional external view of another embodiment of the present invention.

[Fig. 6] is an exploded perspective view of another embodiment of the present invention.

[Fig. 7] is a perspective exploded view of another embodiment of the present invention.

[Fig. 8] is a side sectional view of another embodiment of the present invention in use.

[Fig. 9] is a three-dimensional external view of another embodiment of the present invention.

[Fig. 10] is an exploded perspective view of another embodiment of the present invention.

[Fig. 11] is a perspective exploded view of another embodiment of the present invention.

[Fig. 12] is a side cross-sectional view of another embodiment of the present invention in use.

In order to achieve the above objects and effects, the technical means and structures adopted by the present invention are described in detail with reference to the preferred embodiments of the present invention, and the features and functions are as follows, so as to be fully understood.

Please refer to Figures 1, 2, 3, and 4, which are the three-dimensional external view of the preferred embodiment, the three-dimensional exploded view of the preferred embodiment, the three-dimensional exploded view of another viewing angle of the preferred embodiment, and the preferred embodiment of the present invention. It can be clearly seen from the figure that the preferred embodiment of the present invention includes a base body 1, a sensing module 2 and a casing 3, wherein:

The base body 1 is a cylindrical base 11, and a accommodating space 110 is formed in the hollow interior of the base 11, and an opening 1101 is formed on one side of the accommodating space 110, and the base 11 is opposite to the opening 1101 at the other side The first light-transmitting portion 12 and the second light-transmitting portion 12 extend in the same direction The light-transmitting portion 13, wherein the first light-transmitting portion 12 has a light guide body 121, and an inclined refracting surface 122 is formed on one end surface of the light guide body 121, and a raised light emitting surface 123 is formed on the side surface of the light guide body 121 , and an arc-shaped light incident surface 124 is formed on one side of the light guide body 121 adjacent to the accommodating space 110 of the base 11 , and a accommodating space communicating with the accommodating space 110 is formed inside the second light-transmitting portion 13 . 130, and a side of the storage space 130 adjacent to the first light-transmitting portion 12 is provided with a light-condensing portion 14 through which light can pass, and a side of the light-collecting portion 14 adjacent to the storage space 130 is formed with an arc-shaped first condenser. The light-converging portion 14 has a second light-converging surface 142 complementary to the first light-converging surface 141 and having an arc shape formed on one side of the light-converging portion 14 adjacent to the first light-transmitting portion 12 .

The sensing module 2 includes a circuit board 21 , a light emitter 22 and a light receiver 23 , wherein the circuit board 21 has a rectangular base plate 211 , and a positioning plate 212 extends from one side of the base plate 211 . The light emitter 22 and the light receiver 23 are electrically connected to the 211 and the positioning plate 212 by surface-mount technology (SMT), and a light emitting surface 221 is formed on the surface of the light emitter 22. A light-receiving surface 231 is formed on the side surface; in addition, a rectangular electrical connector 213 is electrically connected to the substrate 211 of the circuit board 21 .

The casing 3 includes a casing base 31 and a transparent casing 32 , wherein a groove 310 is formed inside the casing base 31 , a rectangular through hole 311 is formed on the bottom surface of the groove 310 , and an inner wall surface of the groove 310 is formed with a groove 310 . There are a plurality of buckle grooves 312, and the casing 32 has a base 321 which is enclosed in the groove 310 of the casing base 31, and a accommodating groove 320 is formed in the hollow interior of the base 321, and two sides of the base 321 extend in the same direction. The protruding portion 322 has an open channel 30 formed between the two protruding portions 322, and the inner portion of the two protruding portions 322 is shaped like an open channel 30. A receiving groove 323 is formed in communication with the receiving groove 320 , a plurality of buckle blocks 324 are arranged on the outer side of the base 321 , and a washer 33 is arranged in the receiving groove 320 of the housing 32 .

The base 11 , the first light-transmitting portion 12 , the second light-transmitting portion 13 and the light-condensing portion 14 of the base body 1 are preferably integrally formed, but in practical applications, the first light-transmitting portion 12 and the The two light-transmitting parts 13 can also be separate components from the base 11, and can be integrated into one body by means of assembly (such as snapping or gluing, etc.) The scope of the patent of the present invention is limited, so all simple modifications and equivalent structural changes made by using the contents of the description and drawings of the present invention should be similarly included in the scope of the patent of the present invention, and are hereby stated.

Furthermore, the first condensing surface 141 side of the light condensing portion 14 extends to the bottom surface of the receiving space 130 of the second light transmitting portion 13 , and the second condensing surface 142 side of the light condensing portion 14 extends To the surface of the base 11, it is convenient for demolding operation, so that the mold for making the base body 1 does not need to be provided with sliders or inclined pins, thereby reducing the difficulty of manufacturing and improving the yield of the product.

In addition, the first condensing surface 141 and the second condensing surface 142 of the light condensing portion 14 are preferably dislocated, which can increase the area of light refracting, thereby improving the focusing performance.

However, the shapes of the first light condensing surface 141 and the second light condensing surface 142 of the light condensing portion 14 may also be arcuate, curved, corrugated or other shapes in practical applications.

In addition, the circuit board 21 of the above-mentioned sensing module 2 can be further provided with electronic components such as a driving circuit or a control chip, and the electrical connector 213 of the circuit board 21 can be externally connected to the driving circuit by a transmission line, and is connected to the driving circuit by a transmission line. A driver circuit or control chip to drive the light emitter 22 and the light-receiving body 23 to operate, but the components such as the driving circuit or the control chip in this part are not the main points of the invention of this case, and will not be repeated here.

When the present invention is assembled, the circuit board 21 of the sensing module 2 can be assembled in the direction of the accommodating space 110 of the base 11 of the base body 1 first, and the positioning plate 212 of the circuit board 21 can be assembled from the opening of the accommodating space 110 1101, and extends into the receiving space 130 of the second light-transmitting portion 13, and then the substrate 211 of the circuit board 21 is positioned in the receiving space 110 of the base 11. At this time, the sensing module The light emitter 22 of 2 is aligned with the first light-transmitting portion 12, so that the light-emitting surface 221 of the light-emitting body 22 is aligned with the light-incident surface 124 of the first light-transmitting portion 12, and the light receiver 23 is aligned with the light-incident surface 124 of the first light-transmitting portion 12. The light-collecting surface 231 of the light-receiving body 23 is aligned with the first light-converging surface 141 of the light-collecting portion 14 on the light-collecting portion 14 of the base body 1 , and then the base body 1 is installed on the shell seat of the housing 3 . 31 , the gasket 33 is clamped between the casing 32 and the base 11 , and the electrical connector 213 on the circuit board 21 is exposed in the through hole 311 of the casing 31 . Then, the shell 32 of the shell 3 is combined with the shell base 31 , so that the light guide body 121 of the first light-transmitting portion 12 and the second light-transmitting portion 13 respectively penetrate into the two receiving grooves 323 of the shell 32 , and The plurality of buckle blocks 324 of the casing 32 are buckled into the plurality of buckle grooves 312 of the casing base 31 to form a buckled positioning, and then the assembly of the present invention can be completed.

When the present invention is used in practice, the casing 3 can be installed inside the body (not shown in the figure) of washing household appliances (such as washing machines, dishwashers or other equipment that needs to use water source, etc.), and the casing 3 The protruding parts 322 extending in the same direction on both sides of the body 32 penetrate into the working area inside the body, and the circuit board 21 of the sensing module 2 can be connected to the control system of the body by using the electrical connector 213 (Fig. not shown), so that the light emitter 22 of the sensing module 2 and The light receiver 23 can perform the operation of water turbidity detection.

When washing home appliances for cleaning operations, in addition to the water flow, the operating area also contains added cleaning liquid or detergent, as well as objects to be cleaned (such as washed clothes, dishes or tableware, etc.), the cleaning liquid or objects to be cleaned The impurities (such as: dust, fines, residues, suspended particles or stains and other substances) will cause the water flow in the working area to easily become turbid. In order to make the water flow in the working area pass through the channel 30 formed between the two protruding parts 322 of the casing 32 , and drive the light emitter 22 of the sensing module 2 to project toward the direction of the first transparent part 12 of the base body 1 For light, the light-emitting surface 221 of the light-emitting body 22 will first project the light to the light-incident surface 124 of the first light-transmitting portion 12, and make the light pass through the light-guiding body 121 of the first light-transmitting portion 12 in sequence, and use refraction The light is refracted vertically by the surface 122, so that the light path is L-shaped, and then projected outward from the light-emitting surface 123 of the first light-transmitting part 12, so that the light enters the channel 30, and most of the light is in contact with the water flow. When there are impurities in the light, scattering will occur. However, the transmitted light that is not scattered will enter the light collecting part 14 of the base body 1 and pass through the second light collecting surface 142 and the first light collecting surface of the light collecting part 14 141 to generate the phenomenon of focusing, thereby reducing the loss of light energy, and then the focused light is projected to the light-receiving surface 231 of the light-receiving body 23 by the first light-collecting surface 141, so as to be received by the light-receiving body 23. The obtained light changes are converted into sensing signals, and are transmitted to the control system of the washing appliance through the circuit board 21 to determine the turbidity value of the water flow, and then further set or operate the subsequent cleaning operations to improve the washing efficiency, and It has the effect of energy saving and water saving.

When the light emitter 22 of the sensing module 2 projects light to the light receiver 23 , the light will also pass through the two protruding portions 322 of the housing 32 opposite to the inner wall surface. 2 is made of transparent material, so it will not affect the light path.

Furthermore, the light emitter 22 and the light receiver 23 of the above-mentioned sensing module 2 can also be exchanged during actual use. After the exchanged arrangement, the light collecting portion 14 of the base 1 can also be used for focusing. , without affecting use.

In addition, the light path from the light emitter 22 to the light receiver 23 of the sensing module 2 is between 10 and 50 mm, and the light path within this length has better resolution.

Please refer to Figures 5, 6, 7, and 8, which are a three-dimensional appearance view of another embodiment of the present invention, a three-dimensional exploded view of another embodiment, a three-dimensional exploded view of another embodiment from another perspective, and another embodiment. It can be clearly seen from the figure that, compared with the preferred embodiment, the first light-transmitting portion 12 of the base body 1 is located in the container of the base 11 according to another embodiment of the present invention. Inside the space 110, a light guide column 125 can be further added, and the light incident surface 124 of the first light-transmitting portion 12 is formed at the end face of the light guide column 125. When the light emitter 22 of the sensing module 2 projects light, The purpose of further enhancing the effect of concentrating light can be achieved through the light guide column 125 .

Please refer to Figures 9, 10, 11, and 12 again, which are a three-dimensional appearance view of another embodiment of the present invention, a three-dimensional exploded view of another embodiment, a three-dimensional exploded view of another embodiment and another perspective view of the present invention. It can be clearly seen from the figure that, compared with the preferred embodiment, the first light-transmitting portion 12 can omit the use of the light guide body 121 in another embodiment of the present invention. A storage space 130 is provided inside the first light-transmitting portion 12, and a side surface of the storage space 130 adjacent to the second light-transmitting portion 13 is also provided with a light-condensing portion 14 through which light can pass, and the light-concentrating portion 14 is adjacent to the second light-transmitting portion 13. An arc-shaped first light-condensing surface 141 is formed on one side of the storage space 130 , and the condensing portion 14 is formed with a second condensing surface 142 which is complementary to the first condensing surface 141 and is arc-shaped on one side adjacent to the second light-transmitting portion 13 , and the circuit board 21 of the sensing module 2 The base plate 211 can have two positioning plates 212 extending into the receiving space 130 of the first light-transmitting part 12 and the receiving space 130 of the second light-transmitting part 13 respectively at one side in the same direction, and the two positioning plates 212 are on the same direction. The light-emitting body 22 and the light-receiving body 23 are electrically connected to each other by using surface adhesive technology, and a gasket 33 is sandwiched between the shell 32 of the outer casing 3 and the base 11 of the base body 1 to transmit the light through The gasket 33 is used to improve the overall waterproofness, and when the light emitter 22 of the sensing module 2 projects light to the light collecting part 14 on one side of the receiving space 130 of the first light transmitting part 12 , the light collecting part 14 is transparent. The first condensing surface 141 and the second condensing surface 142 produce the phenomenon of focusing, and the light will directly pass through the channel 30 of the casing 32 , and then enter the condensing portion 14 on one side of the second light-transmitting portion 13 , and The light-condensing portion 14 on one side of the second light-transmitting portion 13 is used for focusing, and the light-transmitting portion 13 is projected to the light-receiving body 23 for signal conversion. In order to reduce the loss of light, and the shapes of the first light-transmitting portion 12 and the second light-transmitting portion 13 can be the same, so that when the sensing module 2 is assembled inside the base body 1, it is not necessary to identify the assembly direction, thereby Improve the smoothness of assembly.

The present invention has the following advantages:

(1) The light emitter 22 of the sensing module 2 can project the light to the light receiver 23 through direct radiation or one-time refraction, and during the projection process, the light collecting portion 14 of the base 1 can be used To make the passing light focus, thereby reducing the loss of light energy, so that more light energy can be collected to the light receiver 23 of the sensing module 2, thereby improving the sensing module 2 to judge the turbidity of the water flow The accuracy of the value, thereby increasing the efficiency of washing.

(2) The two sides of the light-gathering portion 14 of the base body 1 are respectively provided with first light-gathering surfaces 141 and the second condensing surface 142 can effectively improve the focusing effect through the two focusing surfaces, thereby further reducing the loss of light energy.

(3) The first light-transmitting portion 12 and the second light-transmitting portion 13 of the base body 1 are accommodated in the casing 3, that is, they will not directly contact the water flow, so as to prevent the first light-transmitting portion 12 and the second light-transmitting portion 13. Dirt accumulates on the surface of the portion 13, thereby maintaining a good light projection path, and reducing the cleaning and maintenance times of the water quality sensor.

(4) The light emitting body 22 and the light receiving body 23 of the sensing module 2 are directly formed on the circuit board 21 by using surface adhesive technology, so that automatic assembly can be realized, and no additional components are required, which can reduce the number of components. Material and assembly costs can be reduced, and assembly time can be reduced, thereby achieving the effect of automated assembly and reduced manufacturing costs.

(5) The first light-transmitting portion 12 of the base body 1 of the other embodiment is located inside the accommodating space 110 of the base 11 and is provided with a light-guiding column 125. When the light-emitting body 22 of the sensing module 2 projects light, The purpose of enhancing the effect of concentrating light can be achieved through the light guide column 125 .

(6) The first light-transmitting portion 12 and the second light-transmitting portion 13 of the base body 1 of the further embodiment are respectively provided with light-condensing portions 14, and the shapes of the two light-concentrating portions 14 are the same, thereby enabling the sensing module 2 When assembled inside the base body 1, there is no need to identify the direction of assembly, thereby improving the smoothness of assembly.

The above description is only a preferred embodiment of the present invention, which does not limit the scope of the patent of the present invention. Therefore, any simple modifications and equivalent structural changes made by using the contents of the description and drawings of the present invention should be similarly included in the Within the scope of the patent of the present invention, it is hereby stated.

To sum up, when the water quality sensor of the present invention is actually applied and implemented, it is It can actually achieve its effect and purpose, so the present invention is a research and development with excellent practicability. In order to meet the application requirements for an invention patent, an application should be filed in accordance with the law. , If there is any doubts from the Judiciary Review Committee, please do not hesitate to send a letter to instruct, the inventor will do his best to cooperate, and I am truly grateful.

1: seat body

11: Pedestal

12: The first light-transmitting part

121: light guide

122: Refraction surface

13: The second light-transmitting part

14: Concentrator

142: The second concentrating surface

2: Sensing module

21: circuit board

211: Substrate

212: Positioning plate

213: Electrical Connector

22: Light Emitter

221: Glowing Surface

23: Light Receiver

231: Receiving surface

3: Shell

30: Channel

31: Shell seat

310: Groove

311: Perforation

312: Buckle slot

32: Shell

321: base

322: Protrusion

324: Buckle block

33: Gasket

Claims (14)

A water quality sensor includes a base and a sensing module, wherein: The base has a base, and a accommodating space is formed in the hollow interior of the base, and an opening is formed on one side of the accommodating space, and a first light-transmitting portion and a first light-transmitting portion and a second light-transmitting portion extend in the same direction relative to the other side of the opening. Two light-transmitting parts, and the first light-transmitting part has a light-guiding body for changing the light path, and a refracting surface that refracts the light once is formed on one end of the light-guiding body, and then the second light-transmitting part is formed inside the second light-transmitting part. The storage space is connected to the storage space, and a side of the storage space adjacent to the first light-transmitting portion is provided with a condensing portion for the light to pass through to generate a focusing phenomenon, and a side of the condensing portion adjacent to the storage space is formed with a first a condensing surface, and a second condensing surface is formed in the condensing portion adjacent to one side of the first light-transmitting portion; The sensing module includes a circuit board, a light emitter and a light receiver, wherein the circuit board has a substrate positioned in the accommodating space of the base, and extends from one side of the substrate and is located in the second light-transmitting portion The positioning plate in the storage space is electrically connected to the base plate and the positioning plate with a light emitter for projecting light to the light collecting part, and a light receiver for receiving the focused light. The water quality sensor according to claim 1, wherein the side of the light guide body of the first light-transmitting portion is formed with a light emitting surface for focusing light, and the light guide body is adjacent to the accommodating space of the base A light incident surface for focusing light is formed on one side. The water sensor according to claim 1, wherein the first condensing surface of the condensing portion extends to the bottom surface of the receiving space of the second translucent portion, and the second condensing portion is One side of the condensing surface extends to the surface of the base. The water sensor according to claim 1, wherein a light-emitting surface is formed on a side surface of the light-emitting body of the sensing module adjacent to the first light-transmitting portion, and the light-receiving body is formed with a light-emitting surface. A light collecting surface is formed at a side surface adjacent to the first light collecting surface. The water sensor according to claim 1, wherein a casing is installed outside the base body and the sensing module, and the casing is a casing including a casing base and a transparent casing, wherein the casing base A groove is formed inside for the seat body and the sensing module to be inserted, and the inner wall of the groove is provided with a plurality of buckle grooves, and the shell has a base that is enclosed in the groove, and a hollow interior of the base is formed for An accommodating groove into which the base is placed, and two protruding portions extend in the same direction at one side of the base portion, and an open channel is formed between the two protruding portions, and an accommodating groove is formed inside the two protruding portions. A receiving groove connected with the first light-transmitting part and the second light-transmitting part is arranged, and a plurality of buckle blocks for holding the plurality of buckle grooves are arranged on the outer side of the base. The water sensor according to claim 5, wherein the substrate of the circuit board is electrically connected with electrical connectors, and the bottom surface of the groove is provided with through holes. The water quality sensor according to claim 1, wherein the first light-transmitting portion of the base body is located inside the accommodating space of the base and is provided with a light-guiding column. The water quality sensor according to claim 1, wherein the light path from the light emitter to the light receiver of the sensing module is between 10mm and 50mm. A water quality sensor includes a base and a sensing module, wherein: The base has a base, and a accommodating space is formed in the hollow interior of the base, and an opening is formed on one side of the accommodating space, and a first light-transmitting portion and a first light-transmitting portion and a second light-transmitting portion extend in the same direction relative to the other side of the opening. Two light-transmitting parts, and the first light-transmitting part and the second light-transmitting part are respectively formed with a receiving space communicating with the receiving space, and at least one of the opposite inner sides of the two receiving spaces is provided with light passing through and generating The condensing part of the focusing phenomenon, and a first condensing surface is formed on one side of the condensing part adjacent to the storage space, and a second condensing surface is formed on the side of the condensing part relative to the first condensing surface. glossy; The sensing module includes a circuit board, and light emitters and light receivers arranged oppositely, wherein the circuit board has a base plate positioned in the accommodating space of the base and extending in the same direction on one side of the base plate There are two positioning plates located in the storage spaces of the first light-transmitting part and the second light-transmitting part, and a light emitter for projecting light to the light-collecting part is electrically connected to one of the positioning plates, and the other positioning plate is The board is provided with a light receiver for receiving the focused light. The water quality sensor according to claim 9, wherein the first condensing surface of the condensing portion extends to the bottom surface of the receiving space of the second translucent portion, and the second condensing portion is One side of the condensing surface extends to the surface of the base. The water sensor according to claim 9, wherein a light-emitting surface is formed on a side surface of the light emitter of the sensing module adjacent to the first light-transmitting portion, and the light receiver is adjacent to the first light-transmitting portion. A light collecting surface is formed on one side of a light collecting surface. The water sensor according to item 9 of the scope of the application, wherein a casing is installed outside the base and the sensing module, and the casing is a casing including a casing and a transparent casing, wherein the casing is A groove is formed inside for the seat body and the sensing module to be inserted, and the inner wall of the groove is provided with a plurality of buckle grooves, and the shell has a base that is enclosed in the groove, and a hollow interior of the base is formed for An accommodating groove into which the base is placed, and two protruding portions extending in the same direction on one side of the base portion, and an open channel is formed between the two protruding portions, and an accommodating groove is formed inside the two protruding portions. A receiving groove connected with the first light-transmitting part and the second light-transmitting part is arranged, and a plurality of buckle blocks for holding the plurality of buckle grooves are arranged on the outer side of the base. The water quality sensor according to claim 12, wherein a gasket is sandwiched between the shell of the casing and the base of the base. The water quality sensor according to the claim 9, wherein the opposite inner side surfaces of the accommodation space of the first light-transmitting portion and the accommodation space of the second light-transmitting portion of the base body are provided for light to pass through and to generate secondary light The condensing part of the focusing phenomenon, and the shape of the two condensing parts is the same.

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