CN212514385U

CN212514385U - Water quality detection device

Info

Publication number: CN212514385U
Application number: CN202020965965.5U
Authority: CN
Inventors: 朱之秀
Original assignee: Shandong Huilu Testing Technology Service Co ltd
Current assignee: Shandong Huilu Testing Technology Service Co ltd
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2021-02-09
Anticipated expiration: 2030-06-01

Abstract

The utility model discloses a water quality detection device, which comprises a detection box and a sample liquid dropping conduit, wherein the sample liquid dropping conduit is arranged on the outer wall of the upper end of the detection box, a test tube socket is arranged inside the sample liquid dropping conduit, a top placing conduit is arranged inside the upper end of the liquid dropping conduit, and the upper end circular arc structure design of the top placing conduit ensures that the top placing conduit can be smoothly connected with the outer wall of the upper end of the liquid dropping conduit to play a guiding role, the test tube can be accurately guided to the position of a pressing groove on the outer walls of a left block and a right block of a sealing channel at the lower side, and the pressing groove is of an inverted cone structure, so that the left block and the right block of the sealing channel can automatically contract when being pressed downwards, the test tube provided with a sample can pass through the pressing groove and be inserted into a detection chamber inside the upper end of the detection box to carry out water quality detection, and the detection chamber is almost isolated from the outside, thereby reducing the influence of external factors and improving the detection accuracy.

Description

Water quality detection device

Technical Field

The utility model belongs to the technical field of water quality testing is relevant, concretely relates to water quality testing device.

Background

The water quality detector can measure the pH value, the conductivity, the dissolved oxygen, the salinity, the solute quality (tds), the seawater specific gravity, the temperature, the turbidity, the depth and the oxidation-reduction potential in situ, can meet the measurement requirements of various surface water, underground water, industrial and domestic sewage, breeding and reclaimed water, can be widely applied to the fields of environmental protection, scientific research monitoring, production control and the like, and is one of ideal special instruments for environmental monitoring and management in the industrial automation era.

The prior water quality detection device has the following problems: the sample dropping liquid pipe on the traditional water quality detection device is of an open structure, so that the detection chamber is communicated with the outside air, and when the detector is used in a field with poor environment, dust and the like in the air easily fall into the detection chamber, thereby causing certain influence on the detection accuracy of the detector.

Disclosure of Invention

An object of the utility model is to provide a water quality testing device to solve the problem that the dust etc. of the last sample dropping liquid pipe of traditional water quality testing device who proposes among the above-mentioned background art for open structure air easily fall into to detecting the room.

In order to achieve the above object, the utility model provides a following technical scheme: a water quality detection device comprises a detection box and a sample liquid dropping conduit, wherein the sample liquid dropping conduit is arranged on the outer wall of the upper end of the detection box, a test tube socket is arranged inside the sample dropping conduit, a top-placing conduit is arranged inside the upper end of the test tube socket, a left block for sealing the channel is arranged in the test tube socket on the left lower side of the top placing guide tube, a right block for sealing the channel is arranged in the test tube socket on the right lower side of the top placing guide tube, an elastic expansion chamber is arranged in the pipe wall of the sample liquid dropping conduit outside the left block and the right block of the sealing channel, one ends of the sealing left block and the sealing right block close to the elastic expansion chamber are connected with a limit snap ring, an extension spring is arranged between the limiting snap ring and the opposite inner wall of the elastic expansion chamber, the front end and the rear end of the extension spring are connected with spring gaskets, and a pressing groove is formed in the outer wall of the upper end of one side, away from the elastic telescopic chamber, of the left sealing stop block and the right sealing stop block.

Preferably, the front end of detecting the box is provided with the detector main part, be provided with the display screen on the upper end outer wall of detector main part, be provided with operating button on the detector main part upper end outer wall of display screen front side, the display screen passes through the internal power source electric connection of detector main part.

Preferably, the upper end of the top placing conduit is of a circular arc structure and is smoothly connected with the outer wall of the upper end of the sample liquid dropping conduit, and the circumferential diameter of the inner ring of the lower end of the top placing conduit is smaller than the circumferential diameter of the uppermost end of the pressing groove.

Preferably, the left block of the sealing channel is in left-right butt joint with the pressing groove in the outer wall of the upper end of the right block of the sealing channel and is in an inverted cone structure.

Preferably, the outer ends of the left block and the right block transversely penetrate through the pipe wall of the sample liquid dropping pipe and are connected with a limiting snap ring inside the elastic telescopic chamber.

Preferably, the front end and the rear end of the extension spring are fixedly embedded in spring gaskets, and the two spring gaskets are respectively attached to the opposite inner walls of the limiting snap ring and the elastic telescopic chamber.

Preferably, the inside detection room that is provided with in the upper end of test cassette, the inside test tube socket of sample dropping liquid pipe and the inside detection room of test cassette upper end keep the connected state.

Compared with the prior water quality detection device technology, the utility model provides a water quality detection device possesses following beneficial effect:

1. the utility model discloses a set up the pipe of putting on top in the upper end of dropping liquid pipe inside, and put the convex structural design in upper end of pipe and make it can with the upper end outer wall smooth connection of dropping liquid pipe, thereby can play the effect of guide, can accurately guide-in the test tube to the position department that the groove of pressing on the left dog of the lane sealing of downside and the right dog outer wall of lane sealing is located, and because the groove of pressing is the back taper structure, can make the left dog of lane sealing and the right dog of lane sealing contract to the flexible room respectively when pressing down, thereby can pass the test tube that is equipped with the sample and insert to the detection room of detection box upper end inside and carry out water quality testing in pressing the groove, detection room and outside air are almost kept apart in the testing process, thereby the influence of external factor has been reduced, improve the accuracy of detection;

2. the utility model discloses when inserting the test tube that will be equipped with the sample and seal a way left dog and seal a way right dog outer wall on in the indent, seal a way left dog and seal a way right dog outside one end the spacing snap ring to inside side extrusion extension spring, make extension spring pressurized after have certain elastic potential energy, when taking the test tube out, can be with sealing a way left dog and seal a way right dog auto-eject elastic expansion chamber outdoor under the elasticity promotion of extension spring, thereby seal test tube socket and accomplish automatic closure again, it can accomplish sealedly to need not other fixed operation, and is simple and convenient, can improve detection efficiency greatly, save physical power.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

FIG. 1 is a schematic structural view of a water quality detecting device according to the present invention;

FIG. 2 is a schematic view of a test structure of the water quality detecting device of the present invention;

fig. 3 is a schematic structural view of the elastic expansion chamber provided by the present invention;

FIG. 4 is a schematic view of a detection system of the water quality detection device of the present invention;

in the figure: 1. a detection cartridge; 2. a sample drip line; 3. a test tube socket; 4. a display screen; 5. a detector main body; 6. an operation button; 7. a left block for sealing the channel; 8. an elastic expansion chamber; 9. a right block for sealing the channel; 10. placing a top catheter; 11. a spring washer; 12. an extension spring; 13. a limit snap ring; 14. and pressing the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a water quality detection device comprises a detection box 1 and a sample liquid dropping conduit 2, wherein the sample liquid dropping conduit 2 is arranged on the outer wall of the upper end of the detection box 1, a test tube socket 3 is arranged inside the sample liquid dropping conduit 2, a detection chamber is arranged inside the upper end of the detection box 1, the test tube socket 3 inside the sample liquid dropping conduit 2 and the detection chamber inside the upper end of the detection box 1 are kept in a communicated state, a test tube can extend into the detection chamber after passing through a left sealing stop 7 and a right sealing stop 9 and is dripped with a sample solution, the test tube is drawn out after the test tube is finished, the left sealing stop 7 and the right sealing stop 9 automatically seal a channel, the detection chamber is almost isolated from the outside air in the process of liquid dropping and drawing out, so that the influence of external factors is reduced, a top placing conduit 10 is arranged inside the upper end of the test tube socket 3, the upper end of the top placing conduit 10 is of a circular arc structure and is smoothly connected, the circumference diameter of the lower end inner ring of the top guide tube 10 is smaller than the circumference diameter of the uppermost end of the pressing groove 14, the top guide tube 10 is fixed in the sample dropping tube 2 on the upper side of the left block 7 and the right block 9 of the sealing channel, the circular arc structure design of the upper end of the top guide tube 10 can play a guiding role, a test tube is accurately guided to the pressing groove 14 on the outer wall of the left block 7 of the sealing channel and the right block 9 of the sealing channel, the left block 7 of the sealing channel is arranged in the test tube socket 3 on the left lower side of the top guide tube 10, the right block 9 of the sealing channel is arranged in the test tube socket 3 on the right lower side of the top guide tube 10, one end of the outer side of the left block 7 of the sealing channel and one end of the right block 9 of the sealing channel transversely penetrate through the tube wall of the sample dropping tube 2 and are connected with the limit snap ring 13 in the elastic expansion chamber 8, the left block, so that the elastic force of the extension spring 12 can not separate from the elastic expansion chamber 8 to affect the use experience.

A water quality detection device comprises an elastic expansion chamber 8 arranged in the pipe wall of a sample dropping pipe 2 at the outer side of a left block 7 and a right block 9 of a sealing channel, one ends of the left block 7 and the right block 9 of the sealing channel, which are close to the elastic expansion chamber 8, are connected with a limit snap ring 13, an extension spring 12 is arranged between the limit snap ring 13 and the opposite inner wall of the elastic expansion chamber 8, spring gaskets 11 are connected with the front end and the rear end of the extension spring 12, the front end and the rear end of the extension spring 12 are fixedly embedded in the spring gaskets 11, the two spring gaskets 11 are respectively attached on the opposite inner walls of the limit snap ring 13 and the elastic expansion chamber 8, the limit snap ring 13 and the inner wall of the elastic expansion chamber 8 are interacted through the extension spring 12, when a test tube containing a sample extrudes the left block 7 and the right block 9 of the sealing channel, the limit snap ring 13 at one end at the outer side of the left, extension spring 12 produces deformation because of the pressurized this moment to have certain elastic potential energy, when the test tube was taken out, can pop out elastic expansion room 8 with sealing a way left side dog 7 and sealing a way right side dog 9 under extension spring 12's elasticity promotion outside, thereby block test tube socket 3 again.

A water quality detection device comprises a pressing groove 14 arranged on the outer wall of the upper end of one side of a left sealing stop 7 and a right sealing stop 9 far away from an elastic expansion chamber 8, the pressing groove 14 on the outer wall of the upper end of the left sealing stop 7 and the right sealing stop 9 are in left-right butt joint and are in an inverted cone structure, when a test tube is accurately dropped into the pressing groove 14 under the guidance of a jacking guide pipe 10, due to the inverted cone structure design of the pressing groove 14, the left sealing stop 7 and the right sealing stop 9 can be respectively contracted into the elastic expansion chamber 8 when being pressed downwards, so that the test tube with a sample can pass through the pressing groove 14 and be inserted into a detection chamber inside the upper end of a detection box 1, thereby performing water quality detection, a detector main body 5 is arranged at the front end of the detection box 1, a display screen 4 is arranged on the outer wall of the upper end of the detector main body 5, a control button 6 is arranged on the outer wall of the upper end of the detector main body 5, the display screen 4 is electrically connected with an internal power supply of the detector main body 5.

The utility model discloses a theory of operation and use flow: after the utility model is installed, the novel water quality detection device mainly adopts an ion selective electrode measuring method to realize accurate detection, electrodes on the instrument mainly comprise PH, fluorine, sodium, potassium, calcium, magnesium and a reference electrode, each electrode is provided with an ion selective membrane which can react with corresponding ions in a detected sample, the membrane is an ion exchanger and reacts with ion charges to change membrane potential, so that the potential between a liquid sample and the membrane can be detected, two potential difference values detected at two sides of the membrane can generate current, the sample, the reference electrode and the reference electrode liquid form one side of a loop, the membrane, internal electrode liquid and the internal electrode are the other side, when the detected ions in the solution contact with the electrodes, ion migration occurs in the water-containing layer of the ion selective electrode matrix, the charge of the migrated ions changes to have potential, thereby the potential between the membrane surfaces changes, the potential difference is generated between the measuring electrode and the reference electrode, the ion concentration difference between the internal electrode liquid and the sample can generate electrochemical voltage on two sides of the membrane of the working electrode, the voltage is led to the amplifier through the high-conductivity internal electrode, the reference electrode is also led to the position of the amplifier, a calibration curve is obtained by detecting a standard solution with an accurate known ion concentration, so that the ion concentration in the sample is detected, when the test tube is detected, the test tube filled with a detection sample is inserted into the sample dropping liquid conduit 2, the test tube extends into the detection chamber after being extruded to penetrate through the left block 7 and the right block 9 of the sealing channel, then the sample solution is dripped, the test tube is extracted after the dripping is completed, the left block 7 and the right block 9 of the sealing channel automatically block the channel, and a data result is obtained according to the display screen 4.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a water quality testing device, includes detection box (1) and sample dropping liquid pipe (2), its characterized in that: the sample liquid dropping pipe (2) is installed on the outer wall of the upper end of the detection box (1), a test tube socket (3) is arranged inside the sample liquid dropping pipe (2), a top placing pipe (10) is arranged inside the upper end of the test tube socket (3), a left sealing block (7) is arranged inside the test tube socket (3) on the left lower side of the top placing pipe (10), a right sealing block (9) is arranged inside the test tube socket (3) on the right lower side of the top placing pipe (10), an elastic expansion chamber (8) is arranged in the pipe wall of the sample liquid dropping pipe (2) outside the left sealing block (7) and the right sealing block (9), a limit snap ring (13) is connected with one end of the left sealing block (7) and the right sealing block (9) close to the elastic expansion chamber (8), and an extension spring (12) is arranged between the opposite inner walls of the limit snap ring (13) and the elastic expansion chamber (8), the front end and the rear end of the extension spring (12) are connected with spring gaskets (11), and pressing grooves (14) are formed in the outer wall of the upper end of one side, away from the elastic telescopic chamber (8), of the left sealing block (7) and the right sealing block (9).

2. A water quality detecting apparatus according to claim 1, characterized in that: the front end that detects box (1) is provided with detector main part (5), be provided with display screen (4) on the upper end outer wall of detector main part (5), be provided with operating button (6) on the detector main part (5) upper end outer wall of display screen (4) front side, display screen (4) are through the internal power source electric connection of detector main part (5).

3. A water quality detecting apparatus according to claim 1, characterized in that: put the upper end of top pipe (10) and be circular arc structure and with the upper end outer wall smooth connection of sample dropping liquid pipe (2), put the lower extreme inner ring circumference diameter of top pipe (10) and be less than the circumference diameter of pressing groove (14) the top.

4. A water quality detecting apparatus according to claim 1, characterized in that: the left block (7) and the right block (9) are butted with each other from left to right and are in an inverted cone structure.

5. A water quality detecting apparatus according to claim 1, characterized in that: the outer ends of the left block (7) and the right block (9) transversely penetrate through the pipe wall of the sample liquid dropping pipe (2) and are connected with a limiting snap ring (13) inside the elastic telescopic chamber (8).

6. A water quality detecting apparatus according to claim 1, characterized in that: the front end and the rear end of the extension spring (12) are fixedly embedded in spring gaskets (11), and the two spring gaskets (11) are respectively attached to the opposite inner walls of the limiting snap ring (13) and the elastic telescopic chamber (8).

7. A water quality detecting apparatus according to claim 1, characterized in that: the inside detection room that is provided with in upper end of detection box (1), inside test tube socket (3) of sample dropping liquid pipe (2) and the inside detection room in detection box (1) upper end keep the connected state.