CN208140571U - A kind of photoelectric detection system - Google Patents

Abstract

This application discloses a kind of photoelectric detection systems, are related to water quality on-line monitoring instrument.Photoelectric detection system is for being mounted at pipeline, to have no liquid, including optoelectronic switch, the second fixed plate and the first fixed plate in signal piping.Optoelectronic switch has the optical transmitting set and optical receiver to match, and common cooperation has no liquid to detect in pipeline therethrough.Second fixed plate is inserted and fixed pipeline for being mounted in optoelectronic switch, for pipeline, and the detection light for issuing for optical transmitting set passes through pipeline.First fixed plate is used to be arranged in the lower section of optoelectronic switch and the second fixed plate, and passes through for pipeline, and fixed by connection structure and optoelectronic switch, to support the second fixed plate and pipeline.The photoelectric detection system of the application realizes the detection for having no liquid in pipeline by above-mentioned simple structure.

Description

A kind of photoelectric detection system

Technical field

This application involves water quality on-line monitoring instruments, fill more particularly to a kind of Photoelectric Detection for water quality on-line monitoring instrument It sets.

Background technique

Water quality monitor is one of the monitoring of industrial automation environment of times and the special instrument of management.It is able to satisfy variously Table water, underground water, industry and sanitary sewage, cultivation and the measurement of recycled water need, and can be widely used in environmental protection, scientific research The fields such as monitoring, production control.Existing water quality monitor is divided by use environment：Portable monitor, laboratory are intelligent Monitor, simple economy type monitor, on-line computing model etc..

It is illustrated by taking water quality on-line monitoring instrument as an example：Existing water quality on-line monitoring instrument includes clearing up component and flow path, Fluid communication clears up component.Flow path by sample and each reagent for measuring in batches and being successively transmitted to resolution group by metering sequence In part.Resolution component for sample and plurality of reagents for chemically reacting, to obtain the absorbance of sample.Flow path includes multi-pass Valve, optoelectronic metering installation, pump and corresponding connecting line, pump connection optoelectronic metering installation, multiple-way valve are connected to optoelectronic metering installation With resolution component.Wherein, optoelectronic metering installation includes gauge line and multiple groups light metering unit.Multiple groups light metering unit is along gauge line On the axial side wall for being sequentially set to gauge line, each light metering unit includes being symmetricly set on optical transmitting set and light in gauge line to connect Device is received, every group of light metering unit is for detecting the liquid level of sample or reagent in gauge line.Wherein, metering bore is 10mm Transparent glass pipe.

The optoelectronic metering installation of the prior art is measured in gauge line by the multiple groups light metering unit being installed on gauge line Liquid measure, not can be used directly in the detection of pipeline (internal diameter 2mm).Therefore it is badly in need of developing a kind of be suitable in signal piping There is the photoelectric detection system of no liquid.

Utility model content

Aiming to overcome that the above problem or at least being partially solved or extenuate for the application solves the above problems.

This application provides a kind of photoelectric detection systems, for being mounted at pipeline, have aneroid to detect in the pipeline Body, including：

Optoelectronic switch has the optical transmitting set and optical receiver to match, and common cooperation is to detect by the optoelectronic switch Pipeline in have no liquid；

Second fixed plate is inserted and fixed the pipeline for the pipeline, and use for being mounted in the optoelectronic switch The pipeline is passed through in the detection light issued for the optical transmitting set；With

First fixed plate, for being arranged in the lower section of the optoelectronic switch and second fixed plate, and for described in confession Pipeline passes through, and is fixed by connection structure and the optoelectronic switch, to support second fixed plate and the pipeline.

Optionally, the side of the optoelectronic switch has opening, to accommodate second fixed plate.

Optionally, the through hole parallel with its axis is equipped in second fixed plate, the through hole is for described Pipeline is inserted into, and the loophole to intersect vertically with the through hole is additionally provided in second fixed plate, the loophole is for saturating Cross the detection light.

Optionally, the insertion hole for penetrating through its upper surface and the lower surface is equipped in first fixed plate, the insertion hole is used Pass through in the pipeline.

Optionally, the quantity in the insertion hole is multiple, and the multiple insertion hole linearly arranges and arranged for interval.

Optionally, the quantity in the insertion hole is three.

Optionally, the connection structure is the screw hole being correspondingly arranged on the optoelectronic switch and first fixed plate, And the fastener for being accommodated in the corresponding screw hole, it is engaged by the fastener with the corresponding screw hole, by institute The first fixed plate is stated to be fixed at the optoelectronic switch.

The photoelectric detection system of the application, the structure formed using optoelectronic switch, the first fixed plate and the second fixed plate, pipe Road passes through the first fixed plate and is inserted into the second fixed plate, is mounted on its own with the pipeline being inserted by the second fixed plate In optoelectronic switch, the first fixed plate is fixed at optoelectronic switch by connection structure, the second fixed plate and pipeline is supported, passes through Photoelectric detection switch detection is by having no liquid in the pipeline of the optoelectronic switch.Therefore the application is realized by simple structure There is the detection of no liquid in pipeline.

According to the accompanying drawings to the detailed description of the specific embodiment of the application, those skilled in the art will be more Above-mentioned and other purposes, the advantages and features of the application are illustrated.

Detailed description of the invention

Some specific embodiments of the application are described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter. Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these What attached drawing was not necessarily drawn to scale.In attached drawing：

Fig. 1 is the schematic, exploded according to the photoelectric detection system of the application one embodiment；

Fig. 2 is the schematic diagram that photoelectric detection system shown in Fig. 1 is installed on flow path.

100 photoelectric detection systems,

10 optoelectronic switches, 11 openings,

20 first fixed plates, 21 insertion holes,

30 second fixed plates, 31 through holes, 32 loopholes,

40 connection structures, the screw hole of 41 optoelectronic switches, the screw hole of 42 first fixed plates,

50 pipelines,

1 waste liquid, 2 standard specimens one, 3 standard specimens two, 4 standard specimens three, 5 actual water samples, 6 performance water samples, 7 dilutions, 8 digestion solutions, 9 examinations Agent A, A reagent B,

I flow path,

The first three-way magnetic valve of V1, the second three-way magnetic valve of V2, V3 third three-way magnetic valve, P1 peristaltic pump,

II clears up component.

Specific embodiment

Fig. 1 is the schematic, exploded according to the photoelectric detection system of the application one embodiment.It present embodiments provides A kind of photoelectric detection system 100 has no liquid for being mounted at pipeline 50 to detect in the pipeline 50, including：Photoelectricity is opened Close the 10, first fixed plate 20 and the second fixed plate 30.Optoelectronic switch 10 has the optical transmitting set (not drawing in figure) and light to match Receiver (is not drawn) in figure, and common cooperation has no liquid to detect in the pipeline 50 by the optoelectronic switch 10.Second is solid Fixed board 30 is inserted and fixed the pipeline 50 for being mounted in the optoelectronic switch 10, for the pipeline 50, and for for institute The detection light for stating optical transmitting set sending passes through the pipeline 50.First fixed plate 20 is for being arranged in the optoelectronic switch 10 and institute State the lower section of the second fixed plate 30, and for passing through for the pipeline 50, the first fixed plate 20 by connection structure 40 with it is described Optoelectronic switch 10 is fixed, to support second fixed plate 30 and the pipeline 50.

Fig. 2 is the schematic diagram that photoelectric detection system shown in Fig. 1 is installed on flow path.Water quality on-line monitoring instrument includes Flow path I, resolution component II, the flow path I by sample and each reagent for measuring in batches and being successively transmitted to by metering sequence The resolution component II.The flow path I generality may include the first three-way magnetic valve V1, the second three-way magnetic valve V2, the three or three Three-way electromagnetic valve V3, peristaltic pump P1, photoelectric detection system 100 and N port valve are connected by pipeline 50 between them.Wherein, N port valve For ten-way valve, there is a public passage, also there is one to nine logical and A channel.One channel is connected to waste liquid 1, two channels connection mark Sample 1, triple channel are connected to standard specimen 22, and four-way is connected to standard specimen 34, and Five-channel is connected to actual water sample 5, six channel connectivity energy Water sample 6, seven channels are connected to dilution 7, and liquid 8 is cleared up in the connection of eight channels, and nine channels are connected to reagent A 9, and A channel is connected to reagent B A. In other embodiments, if there are three reagent, standard specimen three can be replaced with to reagent C, four-way is connected to reagent C.

In use, pipeline 50 pass through the first fixed plate 20 be inserted into the second fixed plate 30 in, by the second fixed plate 30 by its Itself and the pipeline 50 being inserted are mounted in optoelectronic switch 10, and first fixed plate 20 is fixed on light by connection structure 40 At electric switch 10, the second fixed plate 30 and pipeline 50 are supported, is detected by photoelectric detection switch by the optoelectronic switch 10 There is no liquid in pipeline 50.Pipeline between second three-way magnetic valve V2 and third three-way magnetic valve V3 forms quantitative loop, with fixed Measure reagent.

As shown in Figure 1, the photoelectric detection system 100 of the application is realized in pipeline 50 by simple structure no liquid Detection.

In addition, preventing extraneous visible light to optoelectronic switch 10 as shown in Figure 1, the second fixed plate 30 in the application also acts as Influence.

In addition, as shown in Figure 1, the application is not take up more spaces, not only saves using the size of optoelectronic switch 10 Space, and appearance looks elegant.

Specific embodiment, as shown in Figure 1, pipeline 50 can be polytetrafluoroethylene (PTFE) pipeline, internal diameter 1.6mm.

As shown in Figure 1, the side of the optoelectronic switch 10 has opening 11 in the present embodiment, it is solid to accommodate described second Fixed board 30.Specifically, more specifically, the left side that optoelectronic switch 10 is arranged in the opening 11 is opened certainly in other embodiments The right side of optoelectronic switch 10 can also be arranged in mouth 11.Left and right, upper and lower, front and back in the present embodiment are the views seen with reader The definition carried out on the basis of figure.

As shown in Figure 1, the through hole 31 parallel with its axis is equipped in second fixed plate 30 in the present embodiment, The through hole 31 is inserted into for the pipeline 50, is additionally provided in second fixed plate 30 and is intersected vertically with the through hole 31 Loophole 32, the loophole 32 be used for penetrate the detection light.More specifically, the second fixed plate 30 is perpendicular to horizontal plane cloth It sets, loophole 32 is rectangle and the front and rear surfaces for penetrating through the second fixed plate 30.

As shown in Figure 1, being equipped with the insertion for penetrating through its upper surface and the lower surface in first fixed plate 20 in the present embodiment Hole 21, the insertion hole 21 pass through for the pipeline 50.

As shown in Figure 1, more specifically, the quantity in the insertion hole 21 be it is multiple, the multiple insertion hole 21 is linearly And arranged for interval, in order to adjust the position of the pipeline 50.

As illustrated in fig. 1, it is preferred that the quantity in the insertion hole 21 is three, certainly in other embodiments, the insertion The quantity in hole 21 can also be the other quantities such as two, four, five.

As shown in Figure 1, in the present embodiment, the connection structure 40 is to be correspondingly arranged at the optoelectronic switch 10 and described the Screw hole in one fixed plate 20, and the fastener (not drawn in figure) for being accommodated in the corresponding screw hole, by described Fastener is engaged with the corresponding screw hole, and first fixed plate 20 is fixed at the optoelectronic switch 10.It is i.e. described right Answering screw hole includes in the upper and lower screw hole 41 of corresponding optoelectronic switch and the screw hole 42 of the first fixed plate.

As shown in Figure 1, the quantity of the screw hole 41 of optoelectronic switch is two more specifically, in the present embodiment, correspondingly, the The quantity of the screw hole 42 of one fixed plate is two.

The preferable specific embodiment of the above, only the application, but the protection scope of the application is not limited thereto, Within the technical scope of the present application, any changes or substitutions that can be easily thought of by anyone skilled in the art, Should all it cover within the scope of protection of this application.Therefore, the protection scope of the application should be with scope of protection of the claims Subject to.

Claims (7)

1. a kind of photoelectric detection system, which is characterized in that for being mounted at pipeline, there is no liquid to detect in the pipeline, Including：

Optoelectronic switch has the optical transmitting set and optical receiver to match, and common cooperation is to detect the pipe by the optoelectronic switch There is no liquid in road；

Second fixed plate is inserted and fixed the pipeline for the pipeline, and for supplying for being mounted in the optoelectronic switch The detection light that the optical transmitting set issues passes through the pipeline；With

First fixed plate, for being arranged in the lower section of the optoelectronic switch and second fixed plate, and for supplying the pipeline It passes through, is fixed by connection structure and the optoelectronic switch, to support second fixed plate and the pipeline.

2. photoelectric detection system according to claim 1, which is characterized in that the side of the optoelectronic switch has opening, To accommodate second fixed plate.

3. photoelectric detection system according to claim 1, which is characterized in that be equipped with and its axis in second fixed plate Parallel through hole, the through hole are inserted into for the pipeline, are additionally provided with and the through hole in second fixed plate The loophole to intersect vertically, the loophole are used to penetrate the detection light.

4. photoelectric detection system according to claim 1, which is characterized in that be equipped with perforation thereon in first fixed plate The insertion hole of surface and lower surface, the insertion hole are passed through for the pipeline.

5. photoelectric detection system according to claim 4, which is characterized in that it is described insertion hole quantity be it is multiple, it is described Multiple insertion holes linearly arrange and arranged for interval.

6. photoelectric detection system according to claim 5, which is characterized in that the quantity in the insertion hole is three.

7. photoelectric detection system according to claim 1 to 6, which is characterized in that the connection structure is to correspond to Screw hole on the optoelectronic switch and first fixed plate, and the fastening for being accommodated in the corresponding screw hole are set Part is engaged with the corresponding screw hole by the fastener, first fixed plate is fixed at the optoelectronic switch.