CN211043349U - All-in-one online water quality detection device - Google Patents
All-in-one online water quality detection device Download PDFInfo
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- CN211043349U CN211043349U CN201920832107.0U CN201920832107U CN211043349U CN 211043349 U CN211043349 U CN 211043349U CN 201920832107 U CN201920832107 U CN 201920832107U CN 211043349 U CN211043349 U CN 211043349U
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Abstract
The utility model discloses an online water quality testing device of unification more, include: the device comprises a shell, wherein a TDS detection mechanism for measuring inorganic substances and temperature of a water sample and a TOC detection mechanism for measuring organic substances and suspended substances of the water sample are respectively arranged in the shell; the lower tip of casing is provided with the water supply connector who is used for inputing the water sample, the upper end of casing is provided with the water connectors that are used for exporting the water sample. The utility model provides an all-in-one online water quality detection device, which measures the inorganic substance and temperature of the water sample through the TDS detection mechanism and measures the organic substance and suspended matter of the water sample through the TOC detection mechanism, so that the measured data is more comprehensive; the organic matter and suspended matter are measured by adopting an ultraviolet method, so that the measuring speed is high, the measured liquid does not need to be added or contacted during measurement, the repeatability is good, and the maintenance amount is small; considering that the light source is weakened after long-term use to cause drift of the measured value, the reference scheme is adopted to correct the intensity of the light source and improve the measurement precision.
Description
Technical Field
The utility model relates to a water quality testing technical field especially relates to an online water quality testing device of unification more.
Background
Inorganic substances in a water sample are generally detected by an electrode method, and the conductivity of the water is directly proportional to the concentration of electrolyte (such as a TDS pen on the market); the detection of organic matter is generally divided into two parts, namely, firstly oxidizing organic matter in water (including wet oxidation (persulfate), high-temperature catalytic combustion oxidation, ultraviolet-wet oxidation and the like), then measuring generated carbon dioxide, and then converting the carbon dioxide into the concentration of the organic matter in water through data conversion (such as a TOC detector).
Because the TDS pen can only detect inorganic matters and cannot reflect the contents of organic matters, microorganisms and the like, and water with lower conductivity may contain higher organic matters (or vice versa), the water quality cannot be well characterized only by measuring the inorganic matters; the detection of the TOC detector requires oxidation before detection, so that it takes some time in the oxidation stage, resulting in long detection time, and chemical agents or combustion are involved, which has a certain influence on the environment.
The water quality detection device in the prior art often adopts TDS pen or TOC detector to measure inorganic matter, temperature and organic matter, suspended solid respectively, and can not carry out simultaneous measurement to inorganic matter, temperature and organic matter, suspended solid.
Accordingly, the prior art is yet to be improved and developed.
SUMMERY OF THE UTILITY MODEL
In view of the not enough of above-mentioned prior art, the utility model aims to provide an online water quality testing device of unification more, can simultaneous measurement water sample inorganic matter, temperature and organic matter, suspended solid, measured data is more comprehensive.
The technical scheme of the utility model as follows:
an all-in-one online water quality detection device, comprising:
the device comprises a shell, wherein a TDS detection mechanism for measuring inorganic substances and temperature of a water sample and a TOC detection mechanism for measuring organic substances and suspended substances of the water sample are respectively arranged in the shell;
the lower tip of casing is provided with the water supply connector who is used for inputing the water sample, the upper end of casing is provided with the water connectors that are used for exporting the water sample.
Preferably, TDS detection mechanism sets up the lower part in the casing, TOC detection mechanism sets up the upper portion in the casing, TDS detection mechanism and water supply connector connect, TOC detection mechanism and water outlet connector connect.
Preferably, TOC detection mechanism sets up the lower part in the casing, TDS detection mechanism sets up the upper portion in the casing, TOC detection mechanism and water inlet joint are connected, TDS detection mechanism and water outlet joint are connected.
Preferably, the TOC detection mechanism comprises a TOC measuring cylinder, a TOC measuring cavity is formed by inner measurement of the TOC measuring cylinder, a support is arranged on the outer side of the TOC measuring cylinder, an ultraviolet emitting plate is arranged on the rear side of the support, a reflecting plate is arranged on the front side of the ultraviolet emitting plate, an ultraviolet receiving plate is arranged on the front side of the support, an infrared receiving plate is arranged on the left side of the support, and a reference receiver is arranged on the ultraviolet emitting plate;
the ultraviolet emitting plate is arranged right opposite to the reflecting plate, and the reflecting plate is arranged right opposite to the ultraviolet receiving plate.
Preferably, the TDS detection mechanism comprises a TDS measuring cylinder, a TDS measuring cavity is formed in the inner side of the TDS measuring cylinder, a pair of measuring probes is horizontally arranged on the side wall of the TDS measuring cylinder, and a temperature sensor is arranged on one side of each measuring probe;
the measuring probe and the temperature sensor both penetrate into the TDS measuring cavity.
Preferably, the housing includes an upper housing, a lower housing covering the bottom of the upper housing, a fixer for fixing the communication line is disposed on the lower housing, the communication line is fixed on the fixer, and the upper housing is provided with a signal indicator.
Preferably, a first sealing ring is arranged between the upper shell and the water outlet joint, a second sealing ring is arranged between the upper shell and the lower shell, and a third sealing ring is arranged between the lower shell and the water inlet joint.
Preferably, the top lateral wall of TOC measuring cylinder or TDS measuring cylinder is provided with annular ladder groove, be provided with the fourth sealing washer on the annular ladder groove.
Preferably, the TOC measuring cylinder is a quartz measuring cylinder.
Preferably, the water inlet connector and the water outlet connector are both provided with 3-branch pipe connectors.
Compared with the prior art, the on-line water quality testing device of unifying more that this application provided mainly has following beneficial effect:
inorganic substances and temperature of the water sample are measured through the TDS detection mechanism, and organic substances and suspended substances of the water sample are measured through the TOC detection mechanism, so that the measured data are more comprehensive;
the organic matter and suspended matter are measured by adopting an ultraviolet method, so that the measuring speed is high, the measured liquid does not need to be added or contacted during measurement, the repeatability is good, and the maintenance amount is small;
considering that the light source is weakened after long-term use to cause drift of the measured value, the reference scheme is adopted to correct the intensity of the light source and improve the measurement precision.
Drawings
In order to illustrate the solution of the present application more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained by those skilled in the art without inventive effort.
Fig. 1 is a schematic perspective view of a preferred embodiment of the all-in-one online water quality detection device of the present invention.
Fig. 2 is an exploded view of the preferred embodiment of the all-in-one online water quality detecting device of the present invention.
Fig. 3 is a first cross-sectional view of a preferred embodiment of the all-in-one online water quality detection device of the present invention.
Fig. 4 is a cross-sectional view of the TOC detection mechanism in the preferred embodiment of the all-in-one online water quality detection device of the present invention.
Fig. 5 is a cross-sectional view of a TDS detection mechanism in a preferred embodiment of the all-in-one online water quality detection device of the present invention.
Fig. 6 is a second cross-sectional view of the preferred embodiment of the all-in-one online water quality detecting device of the present invention.
Reference numerals:
100-shell, 200-TDS detection mechanism, 300-TOC detection mechanism, 400-water inlet joint, 500-water outlet joint, 301-TOC measuring cylinder, 302-bracket, 303-ultraviolet emission plate, 304-reflection plate, 305-ultraviolet receiving plate, 306-infrared receiving plate, 307-reference receiver, 201-TDS measuring cylinder, 202-measuring probe, 203-temperature sensor, 101-upper shell, 102-lower shell, 103-fixer, 104-communication line, 105-signal indicator light, 106-first sealing ring, 107-second sealing ring, 108-third sealing ring, 109-fourth sealing ring.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
As shown in fig. 1 to 6, a preferred embodiment of the present invention provides an all-in-one online water quality detecting device, which includes: the device comprises a shell 100, wherein a TDS detection mechanism 200 for measuring inorganic matters and temperature of a water sample and a TOC detection mechanism 300 for measuring organic matters and suspended matters of the water sample are respectively arranged in the shell 100; the lower end of the housing 100 is provided with a water inlet connector 400 for inputting a water sample, and the upper end of the housing 100 is provided with a water outlet connector 500 for outputting the water sample.
The influence of dead cavities, bubbles and the like on the measurement data is considered, and the generation of the dead cavities and the bubbles can be effectively avoided by adopting the straight-through flow path structure design, so that the measurement data is more accurate; simultaneously, can form the cavity when considering that water pressure is not enough, adopt vertical installation, can avoid the cavity to form from the bottom feed liquor.
As shown in fig. 3, in a further preferred embodiment of the present invention, the TDS detecting mechanism 200 is disposed at a lower portion of the housing 100, the TOC detecting mechanism 300 is disposed at an upper portion of the housing 100, the TDS detecting mechanism 200 is connected to the water inlet connector 100, and the TOC detecting mechanism 300 is connected to the water outlet connector 500.
The utility model provides a further preferred implementation, TOC detection mechanism 300 sets up the lower part in casing 100, TDS detection mechanism 200 sets up the upper portion in casing 100, TOC detection mechanism 300 is connected with water supply connector 100, TDS detection mechanism 200 is connected with water supply connector 500.
As shown in fig. 4, in a further preferred embodiment of the present invention, the TOC detection mechanism 300 includes a TOC measuring cylinder 301, the inner side of the TOC measuring cylinder 301 forms a TOC measuring cavity, a support 302 is disposed on the outer side of the TOC measuring cylinder 301, an ultraviolet emitting plate 303 is disposed on the rear side of the support 302, a reflecting plate 304 is disposed on the front side of the ultraviolet emitting plate 303, an ultraviolet receiving plate 305 is disposed on the front side of the support 302, an infrared receiving plate 306 is disposed on the left side of the support 302, and a reference receiver 307 is disposed on the ultraviolet emitting plate 303; the ultraviolet emitting plate 303 is arranged opposite to the reflecting plate 304, and the reflecting plate 304 is arranged opposite to the ultraviolet receiving plate 305.
Considering the influence of external light, the detection cavity is shielded by a cover plate (shell), the ultraviolet emission plate, the ultraviolet receiving plate and the infrared receiving plate are all surrounded by a fence structure, and a gap is reserved at an external interface.
Considering that the light source is weakened after long-term use to cause drift of the measured value, the reference scheme is adopted to correct the intensity of the light source and improve the measurement precision.
By utilizing the linear relation between the ultraviolet absorbance at 275nm waveband and the concentration of substances, part of light of the ultraviolet emitting plate 303 is emitted to the TOC measuring cavity through the light hole and directly emitted to the ultraviolet receiving plate 305 through the light receiving hole to form a measuring light path, and part of the light is scattered in the TOC detecting cavity and received by the infrared receiving plate 306; another part of the light is reflected by the reflective plate 304 after being emitted by the ultraviolet emitting plate 305, and is received by the reference receiver 307, so as to form a reference light path. The TOC measurement chamber may be shaped as a circle, a square or an ellipse.
As shown in fig. 5, in a further preferred embodiment of the present invention, the TDS detecting mechanism 200 includes a TDS measuring cylinder 201, the inner side of the TDS measuring cylinder 201 forms a TDS measuring chamber, a pair of measuring probes 202 is horizontally disposed on the sidewall of the TDS measuring cylinder 201, and a temperature sensor 203 is disposed on one side of the measuring probes 202; both the measurement probe 202 and the temperature sensor 203 penetrate into the TDS measurement chamber.
A temperature sensor 203 is installed near the measurement probe 202 for real-time feedback, taking into account the influence of the water sample temperature on the measurement probe 202.
The measurement probe 202 may be provided in a circular, square or oval shape, etc. and may be replaced by other corrosion resistant conductive materials, preferably titanium.
The measuring probe 202 and the temperature sensor 303 are embedded in the TDS measuring cavity through injection molding, and the temperature sensor 303 is preferably an NTC temperature sensor. The NTC temperature sensor can be arranged in a circle, a square or the like
As shown in fig. 6, in a further preferred embodiment of the present invention, the housing 100 includes an upper housing 101, a lower housing 102 covering the bottom of the upper housing 101, a fixing device 103 for fixing the communication line is disposed on the lower housing 102, a communication line 104 is fixed on the fixing device 103, and a signal indicator 105 is disposed on the upper housing 101.
Considering that the whole device needs to be sealed, the communication line hole also needs to be sealed, a TPE part is encapsulated on the communication line 104, the part is matched with the lower shell 102, and the inside of the communication line is fixedly installed in a buckling mode, so that the structure is simple, and the installation is convenient.
The signal indicator lamp 105 is ultrasonically welded to the upper case 101, and the upper case 101 and the lower case 102 are also ultrasonically welded to be sealed.
As shown in fig. 6, in a further preferred embodiment of the present invention, a first sealing ring 106 is disposed between the upper casing 101 and the water outlet connector 500, a second sealing ring 107 is disposed between the upper casing 101 and the lower casing 102, and a third sealing ring 108 is disposed between the lower casing 102 and the water inlet connector 400.
The utility model discloses in a further preferred embodiment, the top lateral wall that a TOC measures section of thick bamboo 301 or TDS measures section of thick bamboo 201 is provided with annular ladder groove, be provided with fourth sealing washer 109 on the annular ladder groove.
In a further preferred embodiment of the present invention, the TOC measuring cylinder 301 is a quartz measuring cylinder.
The detection cavity is made of pure quartz, and the light transmittance of the quartz is very high.
In a further preferred embodiment of the present invention, the water inlet connector 400 and the water outlet connector 500 are both provided with 3-minute pipe connectors.
The water inlet connector 400 and the water outlet connector 500 are arranged in a standard quick-insertion mode, so that the connection is convenient.
To sum up, the utility model provides an online water quality testing device of unification more, include: the device comprises a shell, wherein a TDS detection mechanism for measuring inorganic substances and temperature of a water sample and a TOC detection mechanism for measuring organic substances and suspended substances of the water sample are respectively arranged in the shell; the water sample measuring device comprises a shell, a TDS detection mechanism, a TOC detection mechanism and a water sample measuring device, wherein the lower end part of the shell is provided with a water inlet joint for inputting a water sample, and the upper end part of the shell is provided with a water outlet joint for outputting the water sample, so that inorganic substances and temperature of the water sample are measured by the TDS detection mechanism, organic substances and suspended substances of the water sample are measured by; the organic matter and suspended matter are measured by adopting an ultraviolet method, so that the measuring speed is high, the measured liquid does not need to be added or contacted during measurement, the repeatability is good, and the maintenance amount is small; considering that the light source is weakened after long-term use to cause drift of the measured value, the reference scheme is adopted to correct the intensity of the light source and improve the measurement precision.
It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.
Claims (10)
1. An online water quality testing device of unification more which characterized in that includes:
the device comprises a shell, wherein a TDS detection mechanism for measuring inorganic substances and temperature of a water sample and a TOC detection mechanism for measuring organic substances and suspended substances of the water sample are respectively arranged in the shell;
the lower tip of casing is provided with the water supply connector who is used for inputing the water sample, the upper end of casing is provided with the water connectors that are used for exporting the water sample.
2. The all-in-one online water quality testing device of claim 1, wherein the TDS detection mechanism is disposed at a lower portion of the housing, the TOC detection mechanism is disposed at an upper portion of the housing, the TDS detection mechanism is connected to the water inlet joint, and the TOC detection mechanism is connected to the water outlet joint.
3. The all-in-one online water quality testing device of claim 1, wherein the TOC detection mechanism is disposed at a lower portion of the housing, the TDS detection mechanism is disposed at an upper portion of the housing, the TOC detection mechanism is connected to the water inlet joint, and the TDS detection mechanism is connected to the water outlet joint.
4. The all-in-one online water quality detection device according to claim 2 or 3, wherein the TOC detection mechanism comprises a TOC measuring cylinder, a TOC measuring cavity is formed by inner measurement of the TOC measuring cylinder, a support is arranged on the outer side of the TOC measuring cylinder, an ultraviolet emission plate is arranged on the rear side of the support, a reflection plate is arranged on the front side of the ultraviolet emission plate, an ultraviolet receiving plate is arranged on the front side of the support, an infrared receiving plate is arranged on the left side of the support, and a reference receiver is arranged on the ultraviolet emission plate;
the ultraviolet emitting plate is arranged right opposite to the reflecting plate, and the reflecting plate is arranged right opposite to the ultraviolet receiving plate.
5. The all-in-one online water quality detection device as claimed in claim 4, wherein the TDS detection mechanism comprises a TDS measuring cylinder, a TDS measuring cavity is formed in the inner side of the TDS measuring cylinder, a pair of measuring probes is horizontally arranged on the side wall of the TDS measuring cylinder, and a temperature sensor is arranged on one side of each measuring probe;
the measuring probe and the temperature sensor both penetrate into the TDS measuring cavity.
6. The all-in-one online water quality detection device according to claim 5, wherein the housing comprises an upper housing, a lower housing covering the bottom of the upper housing, a fixer for fixing the communication line is arranged on the lower housing, the communication line is fixed on the fixer, and a signal indicator lamp is arranged on the upper housing.
7. The all-in-one online water quality detection device according to claim 6, wherein a first sealing ring is arranged between the upper shell and the water outlet joint, a second sealing ring is arranged between the upper shell and the lower shell, and a third sealing ring is arranged between the lower shell and the water inlet joint.
8. The all-in-one online water quality detection device as claimed in claim 7, wherein an annular stepped groove is formed on an outer side wall of the top of the TOC measuring cylinder or the TDS measuring cylinder, and a fourth sealing ring is arranged on the annular stepped groove.
9. The all-in-one online water quality testing device according to claim 7, wherein the TOC measuring cylinder is a quartz measuring cylinder.
10. The all-in-one online water quality detection device of claim 1, wherein the water inlet joint and the water outlet joint are both provided with 3-minute pipe interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201920832107.0U CN211043349U (en) | 2019-05-31 | 2019-05-31 | All-in-one online water quality detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920832107.0U CN211043349U (en) | 2019-05-31 | 2019-05-31 | All-in-one online water quality detection device |
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| CN211043349U true CN211043349U (en) | 2020-07-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082491A (en) * | 2019-05-31 | 2019-08-02 | 中兴仪器（深圳）有限公司 | A kind of online water quality detecting device of All-in-One |
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- 2019-05-31 CN CN201920832107.0U patent/CN211043349U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082491A (en) * | 2019-05-31 | 2019-08-02 | 中兴仪器（深圳）有限公司 | A kind of online water quality detecting device of All-in-One |
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Address after: 518000 Room 301, building 2, runheng Industrial Zone, No.1, liuxiansan Road, 67 District, Xingdong community, Xin'an street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Bixing IOT Technology (Shenzhen) Co.,Ltd. Address before: 518133 2-3 / F, building 2, runheng Dingfeng Industrial Park, Liuxian 2nd Road, Xin'an street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: ZTE INSTRUMENTS (SHENZHEN) Co.,Ltd. |