CN212513141U - Multi-parameter detection device for drinking water - Google Patents
Multi-parameter detection device for drinking water Download PDFInfo
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- CN212513141U CN212513141U CN202021473609.8U CN202021473609U CN212513141U CN 212513141 U CN212513141 U CN 212513141U CN 202021473609 U CN202021473609 U CN 202021473609U CN 212513141 U CN212513141 U CN 212513141U
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Abstract
The utility model relates to a drinking water multi-parameter detection device, which comprises a case, a turbidity detection device, a first circulation tank, a residual chlorine/total chlorine measuring instrument, a water inlet joint, a water outlet joint and a waste liquid discharge joint which are respectively arranged in the case, wherein the water inlet of the turbidity detection device is connected with the water inlet joint through a pipeline, the water outlet of the turbidity detection device is connected with the inlet of the first circulation tank through a pipeline, the water outlet of the first circulation tank is connected with a flowmeter, and the first circulation tank is connected with a liquid inlet and a water outlet joint of the residual chlorine/total chlorine measuring instrument through pipelines respectively, a control valve is arranged on the pipeline connecting the water outlet of the first circulation tank and the sample inlet of the residual chlorine/total chlorine measuring instrument, a liquid outlet of the residual chlorine/total chlorine measuring instrument is connected with a waste liquid discharge joint through a pipeline, and a Ph sensor, a conductivity sensor and a temperature sensor are arranged on the first circulation tank. The advantages are that: structural design is reasonable, and a plurality of detection device use the mode of establishing ties to connect, and the water consumption is very little during the use, and goes out water and can retrieve and recycle.
Description
Technical Field
The utility model relates to a water quality testing technique, in particular to drinking water multi-parameter detection device.
Background
The measurement of drinking water has multiple indexes, wherein Ph, turbidity, residual chlorine or total chlorine are common, and the conductivity and the temperature are also measurement indexes. Generally, each parameter can be detected by a set of independent instrument, but the single instrument is complex to install, high in price, large in occupied space during use and high in water consumption. In recent years, integrated measurement is continuously performed, but an integrated device only merges display, independent measuring probes are placed in the same water tank, the water tank is large in the measuring mode, water in the water tank is slowly replaced, monitoring real-time performance is not strong, meanwhile, the water tank is large, the device is large in size generally, integration level is not high enough, residual chlorine probes put into the water tank generally use residual chlorine of an electrode method, and residual chlorine equipment using a national standard method does not integrate other sensors, so that a small-size water-tank-free device which measures residual chlorine/total chlorine by using a national standard method, integrates turbidity, PH, conductivity, temperature, higher measuring real-time performance and higher integration level is required to be developed, and the problems of carrying, installation space, measuring real-time performance and the like are solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a drinking water multi-parameter detection device is provided, the effectual defect of overcoming prior art.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
a drinking water multi-parameter detection device comprises a case, a turbidity detection device, a first circulation tank, a residual chlorine/total chlorine measurement instrument, a water inlet joint, a water outlet joint and a waste liquid discharge joint, wherein the turbidity detection device, the first circulation tank, the residual chlorine/total chlorine measurement instrument, the water inlet joint, the water outlet joint and the waste liquid discharge joint are respectively arranged in the case, a water inlet of the turbidity detection device is connected with the water inlet joint through a pipeline, a first control valve is arranged on the pipeline, a water outlet of the turbidity detection device is connected with an inlet of the first circulation tank through a pipeline, a flow meter is connected with a water outlet of the first circulation tank and a sample inlet of the residual chlorine/total chlorine measurement instrument through a pipeline, a second control valve is arranged on the pipeline connected with the sample inlet of the residual chlorine/total chlorine measurement instrument, and a liquid discharge port of the residual chlorine/total chlorine measurement instrument is, the first circulation pool is provided with a Ph sensor, a conductivity sensor and a temperature sensor which are used for detecting the liquid information in the first circulation pool.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the case is provided with mounting holes corresponding to the water inlet joint, the water outlet joint and the waste liquid discharge joint, and the water inlet joint, the water outlet joint and the waste liquid discharge joint are assembled in the corresponding mounting holes.
Further, the inside of the case is divided into two cavities which are vertically independent by a partition board, the turbidity detection device, the first circulation tank, the residual chlorine/total chlorine measuring instrument, the water inlet joint, the water outlet joint and the waste liquid discharge joint are respectively arranged in the cavity positioned below, a display screen is arranged in the cavity positioned above, and the turbidity detection device, the residual chlorine/total chlorine measuring instrument, the Ph sensor, the conductivity sensor and the temperature sensor are respectively connected with the display screen through a PCB (printed circuit board) arranged in the cavity positioned above.
Furthermore, the PCB circuit board is connected with any one of 2G, 3G, 4G, 5G and Bluetooth communication modules in signal connection with a computer terminal or a cloud or PC end.
Further, the residual chlorine/total chlorine measuring instrument is a DPD residual chlorine analyzer, the residual chlorine/total chlorine measuring instrument is provided with a reagent inlet, the reagent inlet is connected with a reagent bottle through a pipeline, and the pipeline is provided with a pump set.
Further, the pump set is a peristaltic pump.
Further, the turbidity detection device comprises a container and a turbidity sensor arranged in the container, and the container is provided with a water inlet and a water outlet.
Further, the first control valve is an electromagnetic valve, a liquid leakage detection device is arranged in the case, a controller connected with the electromagnetic valve and the liquid leakage detection device is further arranged in the case, and a drain hole is formed in the bottom of the case.
Further, a second flow-through tank is also connected in series on the pipeline connecting the flow meter and the water outlet joint, and one or more of dissolved oxygen, ORP, UVCOD, ammonia nitrogen and chromaticity detection modules are arranged on the second flow-through tank.
The utility model has the advantages that: the structure design is reasonable, the national standard method residual chlorine/total chlorine measuring mode is connected with a plurality of detecting devices such as PH, turbidity, conductivity, temperature and the like in a series connection mode, the water consumption is little when the device is used, the residual chlorine measuring waste liquid and normal effluent are separated into two paths to be discharged, the normal effluent can be recycled, and the measuring water flows in real time due to the fact that a measuring water tank is not arranged in the measuring device, and the real-time performance of a measured value is higher; no water tank makes the volume littleer, and the integrated level is higher, the installation of conveniently carrying.
Drawings
Fig. 1 is a schematic structural view of the drinking water multi-parameter detection device of the present invention;
FIG. 2 is a simplified structural diagram of the residual chlorine/total chlorine measuring instrument in the drinking water multi-parameter detecting device of the present invention;
FIG. 3 is a simplified diagram of the internal structure of the chlorine residue/total chlorine measuring instrument of the drinking water multi-parameter detecting device of the present invention;
fig. 4 is a schematic view of a mounting rack of a PCB circuit board in the drinking water multi-parameter detection device of the present invention;
fig. 5 is a schematic structural diagram of an embodiment of a reagent-free alarm detection mechanism involved in the drinking water multi-parameter detection device of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the device comprises a turbidity detection device, 2, a first circulation pool, 3, a residual chlorine/total chlorine measuring instrument, 4, a case, 5, a pump set, 6, a reagent bottle, 7, a reagent-free alarm detection mechanism, 9, a first control valve, 31, a shell, 32, a measurement pool, 33, a reagent inlet, 34, a sample inlet, 35, a liquid outlet, 38, a light-emitting unit, 39, a detection unit, 41, a partition board, 101 and a conductive metal part.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Example (b): as shown in fig. 1 to 4, the multi-parameter detection device for drinking water of this embodiment includes a case 4, and a turbidity detection device 1, a first circulation tank 2, a residual chlorine/total chlorine measurement instrument 3, a water inlet joint, a water outlet joint and a waste liquid discharge joint respectively installed inside the case 4, wherein a water inlet of the turbidity detection device 1 is connected to the water inlet joint through a pipeline, a first control valve 9 is installed on the pipeline, a water outlet of the turbidity detection device 1 is connected to an inlet of the first circulation tank through a pipeline, a water outlet of the first circulation tank 2 is connected to a flow meter, the flow meter is connected to the water outlet joint and a sample inlet 34 of the residual chlorine/total chlorine measurement instrument 3 through a pipeline, a second control valve is installed on the pipeline connected to the sample inlet 34 of the residual chlorine/total chlorine measurement instrument 3, a liquid outlet 35 of the residual chlorine/total chlorine measurement instrument 3 is connected to the waste liquid discharge joint through a pipeline, the first circulation tank 2 is provided with a Ph sensor, a conductivity sensor and a temperature sensor for detecting the liquid information in the first circulation tank.
The working principle is as follows:
water entering from the water inlet joint firstly flows through the turbidity detection device 1, and enters and goes out from the lower part of the waterway during measurement. After measurement, the water path flows through the first circulation tank 2, and the first circulation tank 2 is provided with a Ph sensor, a conductivity sensor and a temperature sensor. The water outlet of the first circulation pool 2 is connected with a flowmeter, the water flowing out of the flowmeter flows out of a water outlet joint, and the whole pipeline adopts a series connection mode. The residual chlorine or total chlorine inflow is provided with a branch from a pipeline behind the flowmeter, a control valve optimization solenoid valve is arranged on the branch, only when the residual chlorine or the total chlorine needs to be measured, the second control valve is opened, water flows enter the residual chlorine/total chlorine measuring instrument 3, and water samples flowing through the residual chlorine/total chlorine measuring instrument 3 are all discharged from the waste liquid pipe; residual chlorine or total chlorine is introduced into the water stream only when it needs to be measured, the amount of water consumed is small, and the waste liquid produced is also small.
It should be added that: after water route part is connected in this device, go out water and waste liquid separately for go out water and can retrieve and recycle, and, in the testing process, detecting element need not with by the contact of test agent.
In a preferred embodiment, the housing 4 is provided with mounting holes corresponding to the water connector, the water outlet connector and the waste liquid discharge connector, respectively, and the water connector, the water outlet connector and the waste liquid discharge connector are fitted into the corresponding mounting holes.
In this embodiment, the structure between the chassis 4 and the internal components is compact and beautiful.
It should be added that: the purpose of the first control valve is to timely control the external water sample to enter the whole device for detection (such as entering pause or entering opening).
In a preferred embodiment, the inside of the housing 4 is divided into two chambers which are vertically independent from each other by a partition plate 41, the turbidity detecting device 1, the first flow-through tank 2, the residual chlorine/total chlorine measuring instrument 3, the water inlet connector, the water outlet connector and the waste liquid discharge connector are respectively installed in the chamber located below, a display screen is installed in the chamber located above, and the turbidity detecting device 1, the residual chlorine/total chlorine measuring instrument 3, the Ph sensor, the conductivity sensor and the temperature sensor are respectively connected to the display screen through a PCB circuit board installed in the chamber located above.
In the embodiment, the PCB mounting area and the equipment area of the circuit area are separated from each other, and the layout is reasonable.
In order to meet the installation requirement of the PCB, the present embodiment designs a PCB fixing groove fixing plate structure, and when a plurality of PCB circuit boards need to be installed, the plurality of PCB circuit boards can be firmly fixed through the PCB fixing grooves, as shown in fig. 4, which is a schematic structural diagram of the PCB fixing grooves.
It should be added that: in the middle of the lower cavity of the housing 4, there is a metal plate for fixing the pipeline and the sensor measuring assembly. Wherein, the back of the metal plate mainly fixes the pipeline and part of the valve electromagnetic valves; the front part of the metal plate is mainly used for fixing the sensor and the accessory devices.
As a preferred embodiment, the PCB is connected with any one of 2G, 3G, 4G, 5G and bluetooth communication modules in signal connection with a computer terminal or a cloud or PC terminal.
In this embodiment, the communication module can implement information intercommunication between the detection information and the background terminal, which is convenient for information transmission and recording, and it needs to be explained that: the communication module and the PCB belong to conventional products, the type of the communication module and the type of the PCB can be selected from the conventional products, and the specific structure is not described in detail herein.
Certainly, the PCB may also be provided with a bluetooth module or other communication module for communicating with the outside.
In a preferred embodiment, the residual chlorine/total chlorine measuring instrument 3 has a reagent inlet 33, the reagent inlet 33 is connected to the reagent bottle 6 via a pipe, and a pump unit 5 is provided on the pipe.
The residual chlorine/total chlorine measuring instrument 3 is a DPD residual chlorine analyzer or a DPD total chlorine analyzer.
More specifically, the residual chlorine/total chlorine measuring instrument 3 includes a housing 31 and a measuring cell 32 installed in the housing 31, wherein a plurality of reagent inlets 33 are provided on a surface of the housing 31, the reagent inlets 33 are respectively connected to an interior of the measuring cell 32 through pipes, the sample inlet 34 communicating with an interior of the measuring cell 32 is provided on a surface of the housing 31, and the liquid outlet 35 communicating with an interior of the measuring cell 32 is provided on a bottom of the surface of the housing 31.
In this embodiment, the residual chlorine/total chlorine measuring instrument 3 completes measurement of a water sample, and the water sample is controlled by the electromagnetic valve switch, enters the water sample when being opened, and stops entering the water sample when being closed. During water drainage, the liquid outlet 35 of the residual chlorine/total chlorine measuring instrument 3 is opened, and water entering the measuring pool 32 is drained; when the detection reagent is added, the detection reagent is extracted by the high-precision micro-sampling pump unit 5, and the obtained reagent is added from the sample inlet 34 at the bottom of the shell 31 to ensure the full contact with the detected liquid; during measurement, a photoelectric measurement mode is used, a light source emits light from one side of a transparent container, the container and solution penetrate through the light source, a detector receives light from the other side, a light emitting unit 38 and a detection unit 39 are arranged on two sides of a measurement pool 32 respectively, the two light emitting units and the detection unit are both in the prior art, an angle formed by the two light emitting units and the detection unit is 180 degrees, and the test environment shields outside light. Preferably, the pump unit 5 is a high-precision micro peristaltic pump, which is high in precision and convenient to use.
In a preferred embodiment, the turbidity detecting device 1 includes a container and a turbidity sensor disposed in the container, and the container is provided with a water inlet and a water outlet.
In this embodiment, whole detection device structural design is simple, and the turbidity sensor is independent functional module, and this module of multiplicable or deletion can realize the measurement of turbidity to logical water, and it is installed on the backplate.
And a reagent-free alarm detection mechanism 7 is also arranged on the pipeline for adding the reagent, the reagent pipeline penetrates through the interior of the reagent-free alarm detection mechanism 7, and the reagent-free alarm detection mechanism 7 detects the specific structure reference illumination by adopting a conventional photoelectric measurement mode structure. The beneficial effect of above-mentioned unit is: during detection, the detection element does not need to be in contact with the tested agent.
The reagent-free alarm detection mechanism 7 is in the prior art, and comprises a light emitting module, a receiving module, a controller and an audible and visual alarm (all slave products in the prior art), wherein a pipeline for conveying a reagent is a transparent pipeline, the light emitting module and the receiving module are respectively arranged on two sides of the pipeline, the light emitting module intermittently or continuously emits light, the light emitting module penetrates through the pipeline and is received by the receiving module, information is fed back to the controller, optical signals received by the receiving module under two conditions that the reagent passes through the pipeline and the reagent does not pass through the pipeline are different, therefore, the controller judges whether the reagent passes through the pipeline according to the light receiving information (namely, judges whether the pipeline is empty or not), and after the phenomenon of 'empty pipeline' occurs, the controller controls the audible and visual alarm to give an alarm.
More specifically, the structure diagram of the reagent-free alarm detection mechanism 7 is shown in fig. 5, two conductive metal parts 101 are provided in the reagent circulation process, when the reagent circulates, the two conductive metal parts 101 can conduct electricity, otherwise, the reagent is air and does not conduct electricity, and the circuit can determine whether the reagent exists.
In a preferred embodiment, the first control valve solenoid valve is provided with a leakage detection device in the housing 4, the housing 4 is further provided with a controller connected to the solenoid valve and the leakage detection device, and the bottom of the housing 4 is provided with a drain hole.
In the embodiment, in the detection process, whether a liquid leakage phenomenon exists on each detection unit and pipeline in the case 1 is detected in real time through the liquid leakage detection device, if the liquid leakage phenomenon exists, the controller controls the first control valve 9 to be closed, liquid is discharged through the liquid discharge port in time, and the device is effectively damaged by accumulated water after the water leakage event occurs.
And a second flow-through tank is also connected in series on the pipeline connecting the flowmeter and the water outlet joint, and one or more of dissolved oxygen, ORP, UVCOD, ammonia nitrogen and chromaticity detection modules are arranged on the second flow-through tank.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. The utility model provides a drinking water multi-parameter detection device which characterized in that: including quick-witted case (4) and install turbidity detection device (1), first flow cell (2), chlorine residue/total chlorine measuring apparatu (3), water supply connector, water connectors and the waste liquid discharge joint in quick-witted case (4) inside respectively, the water inlet of turbidity detection device (1) pass through the pipeline with water connectors connects, and is equipped with first control valve (9) on this pipeline, the delivery port of turbidity detection device (1) pass through the pipeline with the entry linkage in first flow cell, the flowmeter is connected to the delivery port of first flow cell (2), the flowmeter pass through the pipeline respectively with water connectors with the introduction port (34) of chlorine residue/total chlorine measuring apparatu (3) are connected, and with be equipped with the second control valve on the pipeline that introduction port (34) of chlorine residue/total chlorine measuring apparatu (3) are connected, the leakage fluid dram (35) of chlorine residue/total chlorine measuring apparatu (3) pass through the pipeline with the waste liquid discharge joint connects And the first flow cell (2) is provided with a Ph sensor, a conductivity sensor and a temperature sensor which are used for detecting the liquid information in the first flow cell.
2. The drinking water multi-parameter detection device according to claim 1, wherein: and the case (4) is respectively provided with mounting holes corresponding to the water inlet joint, the water outlet joint and the waste liquid discharge joint, and the water inlet joint, the water outlet joint and the waste liquid discharge joint are assembled in the corresponding mounting holes.
3. The drinking water multi-parameter detection device according to claim 2, wherein: two cavities that mutually independent about machine case (4) are inside cut apart into through baffle (41), turbidity detection device (1), first flow-through cell (2), chlorine residue/total chlorine measuring apparatu (3), water supply connector, water connectors and waste liquid discharge connect and install respectively in being located the below in the cavity, be located the top install the display screen in the cavity, turbidity detection device (1), chlorine residue/total chlorine measuring apparatu (3), Ph sensor, conductivity sensor and temperature sensor are respectively through installing in the top PCB circuit board in the cavity with the display screen is connected.
4. A drinking water multi-parameter detection device according to claim 3, wherein: the PCB circuit board is connected with any one of 2G, 3G, 4G, 5G and Bluetooth communication modules in signal connection with a computer terminal or a cloud end or a PC end.
5. A drinking water multi-parameter detection device according to any one of claims 1 to 4, wherein: the residual chlorine/total chlorine measuring instrument (3) is provided with a reagent inlet (33), the reagent inlet (33) is connected with a reagent bottle (6) through a pipeline, and a pump set (5) is arranged on the pipeline.
6. The drinking water multi-parameter detection device according to claim 5, wherein: the pump group (5) is a peristaltic pump.
7. A drinking water multi-parameter detection device according to any one of claims 1 to 4, wherein: the turbidity detection device (1) comprises a container and a turbidity sensor arranged in the container, wherein a water inlet and a water outlet are formed in the container.
8. A drinking water multi-parameter detection device according to any one of claims 1 to 4, wherein: the first control valve (9) is an electromagnetic valve, a liquid leakage detection device is arranged in the case (4), a controller connected with the electromagnetic valve and the liquid leakage detection device is further arranged in the case (4), and a drain hole is formed in the bottom of the case (4).
9. A drinking water multi-parameter detection device according to any one of claims 1 to 4, wherein: and a second flow-through tank is also connected in series on the pipeline connecting the flowmeter and the water outlet joint, and one or more of dissolved oxygen, ORP, UVCOD, ammonia nitrogen and chromaticity detection modules are arranged on the second flow-through tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021473609.8U CN212513141U (en) | 2020-07-23 | 2020-07-23 | Multi-parameter detection device for drinking water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021473609.8U CN212513141U (en) | 2020-07-23 | 2020-07-23 | Multi-parameter detection device for drinking water |
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| Publication Number | Publication Date |
|---|---|
| CN212513141U true CN212513141U (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021473609.8U Active CN212513141U (en) | 2020-07-23 | 2020-07-23 | Multi-parameter detection device for drinking water |
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|---|---|
| CN (1) | CN212513141U (en) |
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- 2020-07-23 CN CN202021473609.8U patent/CN212513141U/en active Active
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