CN210720173U

CN210720173U - Colorimetric device and water quality analysis device

Info

Publication number: CN210720173U
Application number: CN201921663122.3U
Authority: CN
Inventors: 苏涛
Original assignee: Shenzhen Changlong Technology Co ltd
Current assignee: Shenzhen Changlong Technology Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-06-09
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses a colorimetric device and water quality analysis device, the colorimetric device combines the colorimetric tube to use, the colorimetric device includes the box body, the appearance chamber has in the box body, the appearance intracavity has the light source, the front wall hole has on the box body, the front wall hole supplies the mobile terminal to shoot the colorimetric tube that is located the appearance intracavity, the front wall hole is in on the direction of illumination of light source with the light source staggers, the spacing part who is used for injecing the colorimetric tube has on the box body. The utility model discloses shoot the liquid in the contrast colour tube under the illumination of internal light source, the stability of shooting result is guaranteed to the interference of external light of discharge, and the internal light source slope shines on the pipe wall of colour comparison tube simultaneously, makes the light of shining on the colour comparison tube even relatively, guarantees the accuracy of shooting result.

Description

Colorimetric device and water quality analysis device

Technical Field

The utility model relates to a water quality analysis field especially relates to a colorimetric device and water quality analysis device.

Background

The restriction of the current water resource shortage and serious water pollution on the development of the economic society of China is increasingly obvious, and the water problem becomes the bottleneck of the development of the economic society of China. Among them, the standard treatment of sewage is an important measure for alleviating water pollution. In the process of sewage treatment, certain water quality parameters of the discharged water are required to meet corresponding requirements, so that corresponding detection means are required to detect the water quality, and the treated sewage can meet the discharge standard.

In the prior art, a specific color developing agent is usually added to a water sample to be measured, and after color development is completed, the water sample is compared with a color comparison card, so that the concentration of a certain water quality parameter in the water sample is obtained. Generally, the colorimetric process is carried out by naked eyes of people, and the process has certain limitation, and because different people have different sensitivity degrees to colors, even if the same water sample, the same colorimetric card and different people have different comparison results.

Therefore, in order to solve the problem of errors caused by human factors, a new technology for photographing and color comparison through a mobile terminal is provided, the technology photographs water quality through the mobile terminal, and the photographed image is compared with a database of the mobile terminal to directly obtain a corresponding comparison result. However, in the process of shooting by the mobile terminal, different illumination intensities are provided in different environments, and different comparison results can be obtained by shooting under different illumination intensities, so that the finally obtained comparison results have larger deviation from the actual conditions.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a cuvette and a water quality analyzer for overcoming the defects in the prior art.

The utility model provides a first aspect provides a colorimetric device, the colorimetric device combines colour comparison tube, mobile terminal to use together, the colorimetric device includes the box body, the appearance chamber has in the box body, the appearance intracavity has the light source, the front wall hole has been seted up to the box body side, the front wall hole supplies the mobile terminal to shoot the colour comparison tube that is located the appearance intracavity, the front wall hole is in on the direction of illumination of light source with the light source staggers, have the stop part who is used for injecing the colour comparison tube on the box body, when the colour comparison tube passes through stop part is fixed in when on the box body, the front wall hole with the light source is located the relative both sides of colour comparison tube respectively, just the light source slope shine in the pipe wall of colour comparison tube.

As a further alternative of the colorimetric device of the present invention, the limiting component includes a top wall hole and a clamping groove, and the colorimetric tube passes through the top wall hole to be inserted into the accommodating cavity and the clamping groove.

As a further alternative of the cuvette of the present invention, the top wall hole is staggered in the vertical direction with the clamping groove.

As a further alternative of the colorimetric device of the present invention, the hole wall of the top wall hole is inclined, and the colorimetric tube is inserted into the cavity and the card is retained in the clamping groove under the guiding action of the hole wall of the top wall hole.

As a further alternative of the colorimetric device of the present invention, the light source is inclined and disposed in a direction consistent with the direction of inclination of the colorimetric tube when it is inserted into the box body.

As a further alternative of the utility model relates to a colorimeter, the border in preceding wall hole to the protruding pipe box that is equipped with in the outside of box body, be connected with the shooting pipe on the pipe box.

As a further alternative of the colorimeter, a through-hole has in the pipe box, the through-hole is followed the terminal surface of pipe box arrives the direction in front wall hole shrinks gradually, shoot the pipe peg graft in the through-hole.

As a further alternative of the utility model relates to a colorimeter, the shooting pipe is kept away from the one end in front wall hole is equipped with the breach, makes partial light that holds the intracavity is followed breach department sees through, avoids too much light to get into mobile terminal's camera and causes overexposure.

As a further alternative of the utility model relates to a colorimeter, be equipped with the fixed bolster on the box body, the box body passes through when the fixed bolster is fixed, make the shooting pipe slope upwards.

A second aspect of the present invention provides a water quality analyzer, including the above-mentioned cuvette and cuvette, wherein the cuvette is fixed to the case through the position-limiting member.

The utility model has the advantages of as follows:

the utility model discloses shoot the liquid in the contrast colour tube under the illumination of internal light source, the stability of shooting result is guaranteed to the interference of external light of discharge, and the internal light source slope shines on the pipe wall of colour comparison tube simultaneously, makes the light of shining on the colour comparison tube even relatively, guarantees the accuracy of shooting result.

In order to make the aforementioned and other objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic diagram illustrating an internal structure of a colorimetric device used in combination with a colorimetric cylinder according to an embodiment of the present invention;

fig. 2 shows a schematic view of an overall structure of a water quality analysis device provided by an embodiment of the present invention.

Description of the main element symbols: 100-a cartridge; 110-a chamber; 120-a light source; 130-front wall aperture; 140-a stop member; 141-top wall holes; 142-a card slot; 150-pipe sleeve; 151-through holes; 160-a shooting tube; 161-notch; 170-fixing the bracket; 180-a fixed seat; 181-fixing plate; 182-a top plate; 200-colorimetric cylinder.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

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 templates herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and fig. 2, an embodiment of the present invention provides a colorimetric device, which is used in combination with a colorimetric tube 200 and a related mobile terminal, and can detect a certain parameter in a water sample, where the mobile terminal can be a mobile phone or a tablet computer. The colorimetric device, the colorimetric tube and the mobile terminal are independent devices.

The cuvette includes a case 100, and the case 100 may have various shapes, such as a rectangle, a square, a trapezoid, etc., and in this embodiment, the case 100 has a rectangular block shape. The cartridge 100 has a cavity 110 therein, and the shape of the cavity 110 is identical to and corresponds to the shape of the cartridge 100.

The cartridge 100 has a stopper 140 therein for limiting the cuvette 200. In the present embodiment, the position limiting component 140 includes a top wall hole 141 and a locking groove 142. The top wall hole 141 is located at the top of the box 100, and the size and shape of the top wall hole 141 are matched with the shape and size of the cuvette 200, specifically, when the cuvette 200 is inserted through the top wall hole 141, the external light is prevented from entering the cavity 110 as much as possible.

The engaging groove 142 is a groove adapted to the bottom of the cuvette 200, in this embodiment, a cylindrical column is protruded from the bottom wall of the cavity 110, and a circular engaging groove 142 is formed inside the column. The clamping groove 142 may have other structures, and it is within the protection scope of the present invention as long as the bottom of the colorimetric tube 200 can be limited to be stably located in the accommodating chamber 110.

In the present embodiment, the notch 142 is vertically offset from the top wall hole 141, and thus, when the cuvette 200 passes through the top wall hole 141 and the bottom of the cuvette 200 abuts on the notch 142, the cuvette 200 is obliquely fixed inside the case 100.

Correspondingly, in order to make the top wall hole 141 more fit to the cuvette 200 and prevent external light from entering the cavity 110, the hole wall of the top wall hole 141 is inclined, and the inclination direction of the hole wall is the same as the inclination direction of the cuvette 200 when being fixed in the case 100.

The cavity 110 has a light source 120 therein, in this embodiment, the light source 120 is fixed at the bottom of the box 100, specifically, a fixing seat 180 is disposed at the bottom of the box 100, the light source 120 is installed on the top surface of the fixing seat 180, and the fixing seat 180 is located at one side of the card slot 142.

The top surface of the fixing seat 180 may be inclined or horizontal.

In this embodiment, the top surface of the fixing base 180 is inclined, and the inclined direction is the same as the inclined direction when the cuvette is fixed in the box body. Specifically, the fixing base 180 includes a fixing plate 181 and a top plate 182, the number of the fixing plates 181 is 2 and the fixing plates are arranged oppositely, the bottom surface of the fixing plate 181 is fixedly connected to the box body 100, the top surface of the fixing plate 181 is provided with a downward recess, the recess is located on the opposite side of the two fixing plates 181, the bottom surface of the recess is arranged obliquely, the top plate 182 is arranged between the two fixing plates 181 and abuts against the bottom surface of the recess, and the light source 120 is fixed on the top plate 182. At this time, the light source 120 is obliquely irradiated in the case 100, the oblique direction of the irradiation light coincides with the oblique direction when the cuvette 200 is fixed in the case 100, and the light source 120 is obliquely irradiated on the wall of the cuvette 200.

It should be noted that, in the utility model discloses in, the direction of illumination of light source 120 is the higher direction of illumination of light source 120 illumination intensity, the light source 120 slope is shone in the pipe wall of colour comparison tube 200 and is referred to the main direction of illumination non-perpendicular irradiation in the pipe wall of colour comparison tube 200 of light source 120, it can be understood, the light that light source 120 illumination intensity is high shines in the distal end of colour comparison tube 200, the light of the lower light of light source 120 illumination intensity shines in the near-end of colour comparison tube 200, so make receiving even shining of colour comparison tube 200, guarantee that the colour in the colour comparison tube 200 shows colour evenly.

In the present embodiment, the light source 120 irradiates in a direction perpendicular to the top surface of the fixing base 180. The fixing base 180 can also be other structures, as long as it is used for fixing the position of the light source 120 and making the light source 120 set up relatively inclined to ensure that the colorimetric tube 200 is irradiated uniformly, which belongs to the protection scope of the present invention.

The light source 120 is preferably an led lamp (i.e., a light emitting diode), the led lamp can efficiently convert electric energy into light energy, and has the advantages of low price, convenient installation, simple light path, easy lighting, etc., and the led lamp may be in a straw hat type or a patch type.

The bottom of the fixing base 180 is provided with a battery compartment for filling batteries to provide power for the light source 120.

The box body 100 is further provided with a bin door for opening and closing the battery bin, and the bin door is located on the bottom wall of the box body 100.

The outer wall of the box 100 is provided with a control switch for the light source 120, and in this embodiment, the control switch is located on one side wall of the box 100.

The side wall of the box 100 has a front wall hole 130, and when the cuvette 200 is fixed to the box 100, the front wall hole 130 and the light source 120 are respectively located at two opposite sides of the cuvette 200, specifically, the front wall hole 130, the cuvette 200 and the light source 120 are located on the same plane, and the camera of the mobile terminal shoots the cuvette 200 through the front wall hole 130.

It should be noted that, after a lot of experiments, if the cuvette 200 is placed right above the light source 120, if there are insoluble substances in the cuvette 200, there will be uneven portions in the color displayed by the cuvette 200, so that a large error may occur between the comparison result photographed by the mobile terminal and the actual result.

If the cuvette 200 is placed behind the light source 120, the surface of the cuvette 200 close to the front wall hole 130 is reflected seriously, so that the real color of the cuvette cannot be displayed, and the error is larger.

If the cuvette 200 is vertically placed above the light source 120, that is, the light source 120 irradiates from the lower side to the upper side, the lower part of the cuvette 200 has higher brightness than the upper part, and the real color cannot be reflected. If the light source 120 is directly opposite to the color comparison tube 200, i.e. the illumination direction is perpendicular to the length direction of the color comparison tube 200, the brightness of the portion of the color comparison tube 200 directly opposite to the light source 120 is the highest, and gradually becomes darker along the two ends of the color comparison tube 200.

If the light source 120 is facing the front wall hole 130, that is, the light with high intensity of the light source 120 directly irradiates the front wall hole 130, the shot picture is over-exposed and cannot display its real color.

Only as shown above, in the present embodiment, the front wall hole 130 and the light source 120 are respectively located on two opposite sides of the cuvette 200, the light source 120 is obliquely irradiated on the wall of the cuvette 200, and the irradiation direction of the front wall hole 130 in the light source 120 is staggered from the light source 120, so that the light irradiated on the cuvette 200 is relatively uniform, and the accuracy of the photographing result is ensured.

The front wall hole 130 may be a square hole or a circular hole, and in this embodiment, the front wall hole 130 is a circular hole.

A pipe sleeve 150 is protruded from the outer side of the case 100 along the circumference of the front wall hole 130, and a photographing pipe 160 is connected to the pipe sleeve 150.

In the present embodiment, the length of the photographing tube 160 is 8cm to 15 cm.

Connect shooting tube 160 on box body 100, can avoid external light to get into the comparator inside from front wall hole 130 as far as possible to contrast colour comparison tube 200 colour and cause the interference, also make mobile terminal be in a more suitable shooting position simultaneously, guarantee to shoot the effect.

The photographing tube 160 is detachably connected to the tube housing 150. After the water sample to be tested is tested, the shooting tube 160 can be taken down, so that the colorimetric device can be conveniently carried.

Alternatively, the photographing tube 160 and the socket 150 may be fixed by a screw connection, the photographing tube 160 has an internal thread and the socket 150 has an external thread, or the photographing tube 160 has an external thread and the socket 150 has an internal thread.

The photographing tube 160 and the tube housing 150 can be fixed by clamping.

In this embodiment, the sleeve has a through hole 151 therein, and the photographing tube 160 is inserted into the through hole 151 and is connected and fixed to the socket 150.

The diameter of the through hole 151 gradually shrinks along the direction from the end face of the pipe sleeve 150 to the front wall hole 130, the end of the shooting pipe 160 matched with the pipe sleeve 150 is matched with the through hole 151, the shooting pipe 160 is inserted into the through hole 151 and is slightly pressed by force, and the shooting pipe 160 is in interference fit with the pipe sleeve 150.

Furthermore, the pipe sleeve 150 has a limiting step inside, and the end surface of the shooting pipe 160 can be abutted against the limiting step, so as to avoid the excessive force of the operator from damaging the pipe sleeve 150 and the shooting pipe 160.

A notch 161 is formed at an end of the photographing tube 160 away from the front wall hole 130, so that part of light in the cavity 110 can be transmitted through the notch 161, and overexposure caused by too much light entering the camera of the mobile terminal can be avoided.

Specifically, the notch 161 extends from the end of the shooting tube 160 far away from the end of the front wall hole 130 in the direction of the front wall hole 130, the length of the extension is 1cm-3cm, and the cross section of the notch 161 is a ring of 1/6-1/4.

The notch 161 is located on the side of the photographing tube 160 near the bottom of the case 100.

The box 100 is provided with a fixing bracket 170, and when the box 100 is fixed by the fixing bracket 170, the photographing tube 160 can be tilted upward.

In this embodiment, the fixed bolster 170 is two relative backup pads that set up, and two backup pads are parallel to each other, and the backup pad is fixed in on the box body 100 with shoot on the relative lateral wall of pipe 160, the backup pad is located the bottom of box body 100, and the side that the backup pad is close to the bottom of box body 100 is the holding surface of slope, and the holding surface is 45 degrees for the inclination of box body 100 side, and when box body 100 was fixed through the backup pad, it upwards to shoot the pipe 160 slope, and the operating personnel of being convenient for uses mobile terminal to shoot.

The embodiment of the utility model provides a water quality analysis device is still provided, including foretell comparator and colour comparison tube 200, colour comparison tube 200 is fixed in on the box body 100 through stop part 140.

In this embodiment, when a water sample needs to be detected, the water sample to be detected is poured into the colorimetric tube 200, a color-developing agent is added to the colorimetric tube 200, the colorimetric tube 200 is inserted into the box 100 through the top wall hole 141, the bottom of the colorimetric tube 200 abuts against the slot 142 under the guiding action of the top wall hole 141, so that the colorimetric tube 200 is obliquely arranged, the box 100 is placed on a stable working surface through the fixing bracket 170, the shooting tube 160 is obliquely upward, after the color development of the water sample is completed, the shooting port of the mobile phone is aligned with the front wall hole 130 in the shooting tube 160, the tube 200 in the box 100 is shot, the shot result is compared with the database in the mobile phone, the content of a certain parameter of the water sample to be detected is directly obtained in the mobile phone, and the parameter may be the content of colorimetric nitrogen, phosphorus, and the like.

In all examples shown and described herein, any particular value should be construed as merely exemplary, and not as a limitation, and thus other examples of example embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above-described embodiments are merely illustrative of several embodiments of the present invention, which are described in detail and specific, but not intended to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The utility model provides a colorimetric device, its characterized in that, colorimetric device combines colour comparison tube, mobile terminal to use together, the colorimetric device includes the box body, have the appearance chamber in the box body, the appearance intracavity has the light source, the front wall hole has been seted up to the box body side, the front wall hole supplies the mobile terminal to shoot the colour comparison tube that is located the appearance intracavity, the front wall hole is in the direction of illumination of light source with the light source staggers, have the stop block who is used for injecing the colour comparison tube on the box body, when the colour comparison tube passes through stop block is fixed in on the box body, the front wall hole with the light source is located the relative both sides of colour comparison tube respectively, and the light source slope shine in the pipe wall of colour comparison tube.

2. The cuvette according to claim 1, wherein the position limiting member comprises a top wall hole and a slot, and the cuvette is inserted into the cavity through the top wall hole and is clamped on the slot.

3. The cuvette according to claim 2, wherein the top wall aperture is vertically offset from the slot.

4. The cuvette according to claim 3, wherein the wall of the top wall hole is inclined, and the cuvette can be inserted into the cavity and clamped on the clamping groove under the guiding action of the wall of the top wall hole.

5. The cuvette according to any one of claims 1 to 4, wherein the light source is arranged obliquely in a direction corresponding to the direction of inclination of the cuvette when inserted into the housing.

6. The cuvette according to claim 1, wherein a sleeve is protruded from the periphery of the front wall hole to the outside of the case, and a photographing tube is connected to the sleeve.

7. The cuvette according to claim 6, wherein the sleeve has a through hole therein, the through hole gradually shrinks in a direction from the end surface of the sleeve to the front wall hole, and the photographing tube is inserted into the through hole.

8. The cuvette according to claim 6, wherein a notch is formed at an end of the photographing tube away from the front wall hole, so that part of light in the cavity can be transmitted out from the notch, and excessive light entering a camera of the mobile terminal to cause overexposure can be avoided.

9. The cuvette according to claim 6, wherein the cartridge is provided with a fixing bracket, and when the cartridge is fixed by the fixing bracket, the photographing tube is tilted upward.

10. A water quality analyzer comprising the cuvette according to any one of claims 1 to 9 and a cuvette, wherein the cuvette is fixed to the housing through the stopper.