CN214041163U

CN214041163U - Water toxicity detector

Info

Publication number: CN214041163U
Application number: CN202022547897.3U
Authority: CN
Inventors: 方俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-08-24
Anticipated expiration: 2030-11-06

Abstract

The utility model discloses a water quality toxicity detector, including box, mounting plate, built-in power supply, test-tube rack, photon detection device and control circuit board, mounting plate fixed mounting is in the inner chamber bottom of box, and built-in power supply, the equal fixed mounting of photon detection device and control circuit board are on mounting plate, are equipped with the test tube chamber that is used for placing the test tube on the test-tube rack, and photon detection device is connected to the test tube chamber through conduction optical fiber, and photon detection device is connected with control circuit board, and built-in power supply is connected with photon detection device and control circuit board. The water toxicity detector has the advantages of simple and compact structure, flexible and convenient operation and high detection speed.

Description

Water toxicity detector

Technical Field

The utility model relates to a water quality testing equipment technical field particularly, relates to a quality of water toxicity detector.

Background

The method for detecting the toxicity of the water sample by the luminous bacteria method is widely applied to the field of toxicity detection of water environment pollution. The luminous bacteria can generate visible fluorescence under normal physiological conditions, when a toxic substance contacts the luminous bacteria, the toxic substance can affect the normal metabolic activity of the bacteria, in a certain concentration range, the luminous intensity of the bacteria and the concentration of the toxic substance have a correlation, and the stronger the toxicity is, the stronger the inhibition effect on the metabolic activity of the luminous bacteria is, and the weaker the luminous intensity of the luminous bacteria is.

The water toxicity detector is a detection and analysis technology which combines a chemiluminescence determination technology with high sensitivity with water toxicity total analysis and displays whether the content of organic matters, heavy metals and toxic substances in the water environment of the luminous bacteria exceeds the standard or not through the change of weak self-luminous signals emitted by the luminous bacteria. The water quality toxicity detector can be widely used for early warning and rapid analysis of water quality toxicity of surface water, underground water, lake and reservoir water, tap water and the like. Most of the existing water toxicity detectors have the defects of complex structure, large volume, troublesome operation, need of plugging an external power supply during use, low detection speed and the like. Therefore, there is a need to develop a water toxicity detector with a simpler and more compact structure and more flexible and convenient operation.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a quality of water toxicity detector, this quality of water toxicity detector simple structure is compact, the flexible operation is convenient, detection speed is fast.

In order to realize the above-mentioned purpose, the utility model provides a water toxicity detects includes the box, mounting plate, built-in power supply, the test-tube rack, photon detection device and control circuit board, mounting plate fixed mounting is in the inner chamber bottom of box, built-in power supply, the equal fixed mounting of photon detection device and control circuit board is on mounting plate, be equipped with the test tube chamber that is used for placing the test tube on the test-tube rack, photon detection device is connected to the test tube chamber through conduction optical fiber, photon detection device is connected with control circuit board, built-in power supply is connected with photon detection device and control circuit board.

Further, the test tube rack device further comprises an upper mounting plate, the upper mounting plate is mounted on the upper portion of the inner cavity of the box body, a positioning and placing seat is fixedly mounted on the upper mounting plate, the test tube rack is rotatably mounted in the positioning and placing seat, a rotary driving mechanism is arranged below the positioning and placing seat, and an output shaft of the rotary driving mechanism is connected with the test tube rack to drive the test tube rack to rotate.

Further, a rotary disk is installed on an output shaft of the rotary driving mechanism, a positioning block is arranged on the upper surface of the rotary disk, the test tube rack is detachably placed on the rotary disk, and positioning grooves matched with the positioning block are formed in the bottom surface of the test tube rack.

Furthermore, a positioning base is fixedly installed on the installation bottom plate, the positioning placing seat is installed on the positioning base, a through hole is formed in the center of the positioning base, an output shaft of the rotary driving mechanism extends out of the through hole and extends into the positioning placing seat, and the rotary disk is installed at one end, extending into the positioning placing seat, of the output shaft.

Furthermore, a plurality of sliding rails are arranged in the box body between the mounting bottom plate and the upper mounting plate along the vertical direction, a sliding block is arranged on each sliding rail in a sliding mode, a guide rod is arranged on each sliding block along the vertical direction, a guide rod extending hole is formed in the upper mounting plate, and the upper end of each guide rod extends out of the guide rod extending hole and is connected with a cover plate.

Furthermore, a cover plate in-place switch is arranged on the upper mounting plate and below the cover plate; and the upper mounting plate is hinged with a manual locking mechanism for locking and positioning the cover plate.

Furthermore, the upper mounting plate is also provided with a display screen which is connected with the control circuit board.

Furthermore, the mounting bottom plate is connected with the upper mounting plate through a plurality of support rods; the upper edge of the box body is also provided with a box cover for opening or closing the box body.

Further, photon detection device includes a photon appearance and a count unit, and photon appearance and count unit are all fixed mounting on the mounting plate, and the photon appearance is connected with the count unit, and the count unit is connected to examination lumen through conducting fiber.

Furthermore, a photon instrument fixing frame is fixedly arranged on the mounting bottom plate, and the photon instrument is fixedly arranged on the mounting bottom plate through the photon instrument fixing frame; the mounting bottom plate is fixedly provided with a power supply fixing frame, and the built-in power supply is fixedly arranged on the mounting bottom plate through the power supply fixing frame; a counting unit fixing frame is fixedly installed on the installation bottom plate, and the counting unit is fixedly installed on the installation bottom plate through the counting unit fixing frame.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a water toxicity detector, through set up the mounting plate in the inner chamber bottom of box, all fixedly mount built-in power, photon detection device and control circuit board on this mounting plate, the photon detection device is connected with the test tube cavity of the test-tube rack through the conduction optic fibre; when the water toxicity detector is used, luminescent bacteria and a water sample to be detected are uniformly mixed in a test tube, the test tube is placed in a test tube cavity of a test tube rack, the luminous intensity of the luminescent bacteria in the test tube is detected by a photon detection device and converted into an electric signal, and then the electric signal is transmitted to a control circuit board for analysis and treatment, so that the toxicity of the water sample is detected; the photon detection device and the control circuit board can be provided with working voltage through the power supply, and an external power supply is not needed. The water toxicity detector has the advantages of simple and compact structure, flexible and convenient operation, and capability of rapidly detecting the toxicity of a water sample.

The present invention will be described in further detail below with reference to the accompanying drawings.

Drawings

The accompanying drawings, which form a part of the present application, 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 serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of the water toxicity detector of the embodiment of the present invention.

Fig. 2 is an explosion diagram of the water toxicity detector of the embodiment of the utility model.

Wherein the figures include the following reference numerals:

1. a box body; 2. mounting a bottom plate; 3. a built-in power supply; 4. a test tube rack; 5. a photon detection device; 6. a control circuit board; 7. a conducting optical fiber; 8. an upper mounting plate; 9. positioning a placing seat; 10. a rotation driving mechanism; 11. rotating the disc; 12. positioning blocks; 13. positioning a base; 14. a slide rail; 15. a slider; 16. a guide bar; 17. a cover plate; 18. a cover plate in-place switch; 20. a display screen; 21. a support bar; 22. a box cover; 23. a photon instrument fixing frame; 24. a power supply fixing frame; 25. a counting unit fixing frame; 51. a photon instrument; 52. a counting unit.

Detailed Description

To facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and preferred embodiments, but the scope of the present invention is not limited to the specific embodiments described below. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The use of the words "a" or "an" and the like in the description and claims of the present application does not denote a limitation of quantity, but rather denotes the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.

Referring to fig. 1 and 2, a water toxicity detector of the embodiment of the present invention mainly includes a box body 1, a mounting base plate 2, a built-in power supply 3, a test tube rack 4, a photon detection device 5 and a control circuit board 6. The installation bottom plate 2 is fixedly installed at the bottom of an inner cavity of the box body 1, and the built-in power supply 3, the photon detection device 5 and the control circuit board 6 are all fixedly installed on the installation bottom plate 2; a test tube cavity for placing a test tube is arranged on the test tube rack 4; the photon detection device 5 is connected to the test tube cavity through a conducting optical fiber 7, and the photon detection device 5 is connected with the control circuit board 6; the built-in power supply 3 is connected with the photon detection device 5 and the control circuit board 6 and provides working voltage for the photon detection device.

According to the water toxicity detector, the installation bottom plate 2 is arranged at the bottom of the inner cavity of the box body 1, the built-in power supply 3, the photon detection device 5 and the control circuit board 6 are fixedly installed on the installation bottom plate 2, and the photon detection device 5 is connected with the test tube cavity of the test tube rack 4 through the conducting optical fiber 7; when the water toxicity detector is used, luminescent bacteria and a water sample to be detected are uniformly mixed in a test tube, the test tube is placed in a test tube cavity of a test tube rack 4, the luminous intensity of the luminescent bacteria in the test tube is detected by a photon detection device 5 and converted into an electric signal, and then the electric signal is transmitted to a control circuit board 6 for analysis and treatment, so that the toxicity of the water sample is detected; the photon detection device 5 and the control circuit board 6 can be provided with working voltage through the built-in power supply 3, and an external power supply is not needed. The water toxicity detector has the advantages of simple and compact structure, flexible and convenient operation, and capability of rapidly detecting the toxicity of a water sample.

Referring to fig. 2, in this embodiment, this water toxicity detector still includes an upper mounting panel 8, and this upper mounting panel 8 is installed on the inner chamber upper portion of box 1, and upper mounting panel 8 is last fixed mounting to have a location that is used for placing test-tube rack 4 to place seat 9, and test-tube rack 4 rotationally installs in this location places seat 9, and the below of placing seat 9 in the location still is provided with a rotary driving mechanism 10, and the output shaft of this rotary driving mechanism 10 is connected with test-tube rack 4 and is used for driving test-tube rack 4 to rotate, is provided with a plurality of test-tube chambers on the test-tube rack 4. So set up, this rotation driving mechanism 10 of accessible drive test-tube rack 4 rotates together with the test tube during the detection to the convenience detects the luminous bacterium in a plurality of test tubes on the test-tube rack 4 in proper order, improves detection efficiency.

Specifically, referring to fig. 2, in the present embodiment, a rotating disc 11 is further mounted on the output shaft of the rotating driving mechanism 10, a positioning block 12 is disposed on the upper surface of the rotating disc 11, the test tube rack 4 is detachably placed on the rotating disc 11, and a positioning groove matched with the positioning block 12 is disposed on the bottom surface of the test tube rack 4. When detecting, place test-tube rack 4 on rotary disk 11, through locating piece 12 and the constant head tank phase-match on the 4 bottom surfaces of test-tube rack, be connected test-tube rack 4 and rotary disk 11, then drive rotary disk 11 through rotary driving mechanism 10 and rotate, and then drive test-tube rack 4 and test tube rotation.

Further, referring to fig. 2, in the present embodiment, a positioning base 13 is fixedly installed on the installation bottom plate 2, the positioning placing seat 9 is installed on the positioning base 13, a through hole is opened at the center of the positioning base 13, the rotation driving mechanism 10 is installed on the positioning base 13, an output shaft of the rotation driving mechanism 10 extends out from the through hole and extends into the positioning placing seat 9, and the rotating disk 11 is installed at one end of the output shaft extending into the positioning placing seat 9. By the arrangement, the positioning placing seat 9 is more stably installed, and the rotary driving mechanism 10 is conveniently and fixedly installed. Specifically, the rotary drive mechanism 10 may employ an integrated stepping motor.

Referring to fig. 2, in the present embodiment, a plurality of slide rails 14 are fixedly disposed in the box body 1 between the mounting base plate 2 and the upper mounting plate 8 along the vertical direction, each slide rail 14 is slidably disposed with a slide block 15, and a guide rod 16 is mounted on the slide block 15 along the vertical direction; the upper mounting plate 8 is provided with a guide rod outlet from which the upper end of the guide rod 16 extends and is connected to a cover plate 17. With the arrangement, during detection, the cover plate 17 is lifted upwards firstly, a water sample mixed with luminous bacteria is placed in the test tube, the test tube is placed in the test tube cavity of the test tube rack 4, and then the cover plate 17 is covered downwards; in this process, the lifting and lowering process of the cover 17 is guided by the slide rails 14, the sliders 15, and the guide rods 16.

Further, referring to fig. 2, in the present embodiment, two cover-in-place switches 18 are also mounted on the upper mounting plate 8 below the cover plate 17; a manual locking mechanism (not shown) for locking and positioning the cover plate 17 is also hinged on the upper mounting plate 8. Whether the cover plate 17 descends in place or not can be prompted by arranging the cover plate in-place switch 18, and when the cover plate 17 descends in place, the cover plate 17 can be locked and positioned by rotating the manual locking mechanism.

Referring to fig. 1 and 2, in the present embodiment, a display screen 20 is further disposed on the upper mounting plate 8, and the display screen 20 is connected to the control circuit board 6. The water toxicity detection result analyzed and processed by the control circuit board 6 can be visually displayed in real time through the display screen 20, so that a user can conveniently read the detection data.

In the embodiment, the mounting bottom plate 2 is connected with the upper mounting plate 8 through a plurality of support rods 21, so that the overall internal structure of the water quality detector is more stable; a cover 22 for opening or closing the case 1 is further provided at the opening of the upper edge of the case 1.

Specifically, referring to fig. 2, in the present embodiment, the photon detection device 5 specifically includes a photon meter 51 and a counting unit 52, the photon meter 51 and the counting unit 52 are both fixedly mounted on the mounting base plate 2, the photon meter 51 is electrically connected to the counting unit 52, the photon meter 51 is further electrically connected to the control circuit board 6, and the counting unit 52 is connected to the test tube cavity of the test tube rack 4 through the conducting optical fiber 7. The utility model discloses in, current original paper such as photomultiplier can be adopted to the count unit 52, and count unit 52 detects the luminous intensity of luminous bacterium and converts luminous intensity into the signal of telecommunication, amplifies this signal of telecommunication through photon appearance 51 and transmits to control circuit board 6 after the operation such as analog-to-digital conversion and carry out analysis processes to detect out the toxicity of water sample. Specifically, a through hole may be formed in the center of the bottom of the test tube rack 4, a through hole may also be formed in the center of the rotating disk 11, and the conducting optical fiber 7 may be connected to the test tube cavity of the test tube rack 4 through the rotating disk 11 and the through holes on the test tube rack 4. Specifically, the control circuit board 6 includes a single chip microcomputer and a memory (not shown in the figure), the single chip microcomputer is connected with the photon meter 51, the memory is connected with the single chip microcomputer, the single chip microcomputer is further connected with the internal power supply 3, and the display screen 20 is connected with the single chip microcomputer through a communication interface.

Further, referring to fig. 2, in the present embodiment, a photon meter fixing frame 23 is fixedly installed on the installation base plate 2, and the photon meter 51 is fixedly installed on the installation base plate 2 through the photon meter fixing frame 23; a power supply fixing frame 24 is also fixedly arranged on the mounting bottom plate 2, and the built-in power supply 3 is fixedly arranged on the mounting bottom plate 2 through the power supply fixing frame 24; a counting unit holder 25 is also fixedly mounted on the mounting base plate 2, and the counting unit 52 is fixedly mounted on the mounting base plate 2 via the counting unit holder 25. Thus, the photon meter 51, the built-in power supply 3 and the counting unit 52 can be conveniently installed on the installation bottom plate 2, so that the installation is more convenient to disassemble and assemble, and the installation firmness is improved.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A water toxicity detector is characterized by comprising a box body (1), a mounting base plate (2), a built-in power supply (3), a test tube rack (4), a photon detection device (5) and a control circuit board (6), the mounting bottom plate (2) is fixedly mounted at the bottom of the inner cavity of the box body (1), the built-in power supply (3), the photon detection device (5) and the control circuit board (6) are all fixedly arranged on the mounting bottom plate (2), the test tube rack (4) is provided with a test tube cavity for placing test tubes, the photon detection device (5) is connected to the test tube cavity through a conducting optical fiber (7), the photon detection device (5) is connected with the control circuit board (6), the built-in power supply (3) is connected with the photon detection device (5) and the control circuit board (6).

2. The water toxicity detector according to claim 1, further comprising an upper mounting plate (8), wherein the upper mounting plate (8) is mounted on the upper portion of the inner cavity of the box body (1), a positioning and placing seat (9) is fixedly mounted on the upper mounting plate (8), the test tube rack (4) is rotatably mounted in the positioning and placing seat (9), a rotary driving mechanism (10) is arranged below the positioning and placing seat (9), and an output shaft of the rotary driving mechanism (10) is connected with the test tube rack (4) to drive the test tube rack (4) to rotate.

3. The water toxicity detector according to claim 2, wherein a rotary disk (11) is mounted on the output shaft of the rotary driving mechanism (10), a positioning block (12) is arranged on the upper surface of the rotary disk (11), the test tube rack (4) is detachably arranged on the rotary disk (11), and a positioning groove matched with the positioning block (12) is arranged on the bottom surface of the test tube rack (4).

4. The water toxicity detector according to claim 3, wherein a positioning base (13) is fixedly mounted on the mounting base plate (2), the positioning placing seat (9) is mounted on the positioning base (13), a through hole is formed in the center of the positioning base (13), an output shaft of the rotary driving mechanism (10) extends out of the through hole and extends into the positioning placing seat (9), and the rotary disk (11) is mounted at one end of the output shaft extending into the positioning placing seat (9).

5. The water toxicity detector according to claim 2, wherein a plurality of slide rails (14) are vertically arranged between the mounting base plate (2) and the upper mounting plate (8) in the box body (1), a slide block (15) is slidably arranged on each slide rail (14), a guide rod (16) is vertically arranged on each slide block (15), a guide rod extending hole is formed in the upper mounting plate (8), and the upper end of each guide rod (16) extends out of the guide rod extending hole and is connected with a cover plate (17).

6. A water toxicity detector according to claim 5, characterized in that a cover-in-place switch (18) is arranged on the upper mounting plate (8) below the cover plate (17); and a manual locking mechanism for locking and positioning the cover plate (17) is hinged on the upper mounting plate (8).

7. The water toxicity detector according to claim 2, wherein the upper mounting plate (8) is further provided with a display screen (20), and the display screen (20) is connected with the control circuit board (6).

8. The water toxicity detector according to claim 2, wherein the mounting base plate (2) is connected with the upper mounting plate (8) through a plurality of support rods (21); the upper edge of the box body (1) is also provided with a box cover (22) for opening or closing the box body (1).

9. A water toxicity detector according to any of claims 1-8, characterized in that the photon detecting device (5) comprises a photon meter (51) and a counting unit (52), both the photon meter (51) and the counting unit (52) are fixedly mounted on the mounting base plate (2), the photon meter (51) is connected with the counting unit (52), and the counting unit (52) is connected to the test tube chamber through the conducting optical fiber (7).

10. The water toxicity detector according to claim 9, wherein the mounting base plate (2) is fixedly provided with a photon instrument fixing frame (23), and the photon instrument (51) is fixedly arranged on the mounting base plate (2) through the photon instrument fixing frame (23); a power supply fixing frame (24) is fixedly arranged on the mounting bottom plate (2), and the built-in power supply (3) is fixedly arranged on the mounting bottom plate (2) through the power supply fixing frame (24); a counting unit fixing frame (25) is fixedly installed on the installation bottom plate (2), and the counting unit (52) is fixedly installed on the installation bottom plate (2) through the counting unit fixing frame (25).