Colorimetric device of handheld water quality detector

Abstract

The colorimetric device comprises an installation plate, a sample bottle body is movably installed on the top face of the installation plate, a colorimetric mechanism is arranged in the installation plate and used for detecting water quality, a containing groove is formed in the top face of the installation plate, and the colorimetric mechanism comprises a detection assembly, a color comparison assembly and a control assembly. The colorimetric sensor is arranged in the mounting plate and is used for colorimetric detection of water quality; the utility model relates to the technical field of water quality detection. According to the colorimetric device of the handheld water quality detector, the color of a light source can be switched for water quality detection through the arranged clamping rod and the arranged color matching frame, during use, the clamping rod is pulled up, the bottom end of the clamping rod is pulled out from the interior of a clamping groove, and then an L-shaped plate is pulled to drive the color matching frame to horizontally move so as to switch the position of the color matching frame; at the moment, a clamping rod is loosened, a limiting disc can be driven through the elastic force of a second spring, the bottom end of the clamping rod is inserted into the position, for fixing the color mixing frame, in a clamping groove, then the water quality can be detected, and the accuracy of detected data is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of water quality detection, in particular to a colorimetric device of a handheld water quality detector. Background Art

[0002] Water quality testing is the process of testing and evaluating the physical, chemical and biological properties of water to determine the quality of the water. A water quality optical detector is an instrument that uses optical principles to detect water quality. It uses the principle of optical detection units to detect water quality parameters.

[0003] The existing colorimetric device of the handheld water quality detector still has the following problems. The existing device generally embeds the sample bottle directly in the device and turns on the light source for detection. For example, Chinese patent CN217846057U discloses a colorimetric device of a handheld water quality detector. The utility model has a light source body located in the left installation position, a filter and a photoelectric detector located in the right installation position, and the filter is located on the left side of the photoelectric detector. The positions of the light source body, the filter and the photoelectric detector correspond to each other, the assembly is simple, the positioning is convenient, the reliability is strong, and the practicality is strong.

[0004] However, the above-mentioned device can only detect water quality through the same light source color, and different water quality indicators may have different absorption and reflection characteristics for different light wavelengths. The same light source color may affect the accuracy of the detection data. In addition, the device is directly embedded in the device through the sample bottle, which limits the size, shape and type of the sample bottle body, and the sample bottle needs to be customized to adapt to it, which is inconvenient to use. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a colorimetric device for a handheld water quality detector, which solves the problem that the colorimetric device of the existing handheld water quality detector can only detect water quality through the same light source color, which may affect the accuracy of the detection data, and can only detect the same sample bottles, which is inconvenient to use.

[0006] To achieve the above purpose, the utility model is implemented by the following technical solutions: a colorimetric device of a handheld water quality detector, comprising a mounting plate, a sample bottle body is movably mounted on the top surface of the mounting plate, a colorimetric mechanism is arranged inside the mounting plate for detecting water quality, a placement groove is provided on the top surface of the mounting plate, and the colorimetric mechanism comprises:

[0007] A detection component, arranged inside the mounting plate, for colorimetric detection of water quality;

[0008] A fixing assembly, arranged on the top surface of the mounting plate and used for fixing sample bottle bodies of different sizes;

[0009] A color adjustment component is arranged inside a mounting plate for switching different light sources for subsequent colorimetric detection, the color adjustment component comprises a movable groove provided inside the mounting plate, a connecting groove and three clamping grooves are provided on the top surface of the mounting plate, a groove is provided on the front side of the movable groove, a color adjustment frame is movably installed inside the movable groove, an L-shaped plate is fixedly installed on the top surface of the color adjustment frame, a clamping rod is movably installed on the bottom surface of the L-shaped plate, a limiting disk is fixedly installed on the outer side of the clamping rod, and a second spring is movably installed on the outer side of the clamping rod.

[0010] Preferably, the bottom surface of the connecting groove passes through the top surface of the movable groove and extends to the interior of the movable groove, the bottom end of the clamping rod is tightly attached to the bottom surfaces of the three clamping grooves, the top end of the clamping rod movably passes through the bottom surface of the L-shaped plate and extends to the top surface of the L-shaped plate, the top end of the second spring is tightly attached to the bottom surface of the L-shaped plate, the bottom end of the second spring is fixedly mounted on the top surface of the limit plate, the right side of the groove passes through the interior of the mounting plate and extends to the interior of the placement groove, and the top end of the L-shaped plate movably passes through the interior of the connecting groove and extends to the top surface of the mounting plate.

[0011] Preferably, the detection component includes a first slot opened on the left side of the mounting plate, a light source body is fixedly installed inside the first slot, a power supply block is fixedly installed on the left side of the top surface of the mounting plate, and a second slot is opened on the right side of the mounting plate, a filter and a photodetector are fixedly installed inside the second slot.

[0012] Preferably, the filter is located on the left side of the photodetector, one side of the second slot passes through the interior of the mounting plate and extends to the interior of the placement slot, and the right side of the first slot passes through the interior of the mounting plate and extends to the interior of the movable slot.

[0013] Preferably, the fixing assembly includes two sliding grooves opened on the top surface of the mounting plate, sliders are slidably installed inside the two sliding grooves, a connecting plate is fixedly installed on the top surface of the slider, an arc plate is fixedly installed on the opposite side of the connecting plate, a connecting rod is movably hinged on the right side of the top surface of the connecting plate, a pressure plate is movably hinged on the top of the connecting rod, a first spring is fixedly installed on one end of the two sliding grooves away from the pressure plate, and a placing cylinder is fixedly installed on the bottom surface of the mounting plate.

[0014] Preferably, one end of the first spring away from the slider is fixedly mounted on one end of the two slide grooves, the opposite side of the arc plate is tightly attached to the outside of the sample bottle body, and the bottom end of the sample bottle body moves through the interior of the placement groove and extends to the interior of the placement tube.

[0015] Beneficial Effects

[0016] The utility model provides a colorimetric device for a handheld water quality detector. Compared with the prior art, it has the following beneficial effects:

[0017] (1) The colorimetric device of the handheld water quality detector can switch the color of the light source for water quality detection through the provided card rod and color adjustment frame. When in use, the card rod is pulled up to extract the bottom end of the card rod from the inside of the card slot, and then the L-shaped plate is pulled to drive the color adjustment frame to move horizontally to switch the position of the color adjustment frame. At this time, the card rod is released and the elastic force of the second spring can drive the limit plate to insert the bottom end of the card rod into the inside of the card slot to fix the position of the color adjustment frame. Then the water quality can be detected, thereby improving the accuracy of the detection data.

[0018] (2) The colorimetric device of the handheld water quality detector can fix sample bottles of different sizes by means of an arc plate. When in use, the pressing plate is pressed to drive the connecting plate to move in the opposite direction through the connecting rod. Then the sample bottle is passed through the placement groove and placed inside the placement tube. At this time, the pressing plate is released and the elastic force of the first spring can push the slider so that the connecting plate drives the arc plate to fix the position of the sample bottle body for subsequent testing. The device is easy to use and has good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional appearance schematic diagram of the utility model;

[0020] Figure 2 It is a front view cross-sectional three-dimensional appearance schematic diagram of the utility model;

[0021] Figure 3 For the utility model Figure 2 The enlarged appearance diagram at A in the middle;

[0022] Figure 4 It is a left side cross-sectional three-dimensional appearance schematic diagram of the utility model;

[0023] Figure 5 It is a right side cross-sectional three-dimensional appearance schematic diagram of the utility model.

[0024] In the figure: 1-mounting plate, 2-sample bottle body, 3-colorimetric mechanism, 31-detection component, 311-power block, 312-light source body, 313-first slot, 314-filter, 315-second slot, 316-photoelectric detector, 32-fixed component, 321-arc plate, 322-connecting plate, 323-slideway, 324-placing tube, 325-pressing plate, 326-connecting rod, 327-first spring, 328-slider, 33-color adjustment component, 331-clamping rod, 332-L-shaped plate, 333-clamping slot, 334-second spring, 335-limiting plate, 336-connecting slot, 337-color adjustment frame, 338-movable slot, 339-groove, 4-placing slot. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] The utility model provides two technical solutions:

[0027] Figure 1-Figure 4 The first embodiment is shown: a colorimetric device of a handheld water quality detector, comprising a mounting plate 1, a sample bottle body 2 is movably mounted on the top surface of the mounting plate 1, a colorimetric mechanism 3 is arranged inside the mounting plate 1 for detecting water quality, a placement slot 4 is provided on the top surface of the mounting plate 1, and the colorimetric mechanism 3 comprises:

[0028] The detection component 31 is arranged inside the mounting plate 1 and is used for colorimetric detection of water quality;

[0029] A fixing assembly 32, arranged on the top surface of the mounting plate 1, for fixing sample bottle bodies 2 of different sizes;

[0030] The color adjustment component 33 is arranged inside the mounting plate 1 for switching different light sources for subsequent colorimetric detection. The color adjustment component 33 includes a movable groove 338 opened inside the mounting plate 1. The top surface of the mounting plate 1 is provided with a connecting groove 336 and three card grooves 333, and the three card grooves 333 are linearly and evenly distributed on the top surface of the mounting plate 1. A groove 339 is opened on the front side of the movable groove 338. A color adjustment frame 337 is movably installed inside the movable groove 338, and three glass slides of different colors are fixedly installed on the inner side of the color adjustment frame 337. An L-shaped plate 332 is fixedly installed on the top surface of the color adjustment frame 337, and a clamping rod 331 is movably installed on the bottom surface of the L-shaped plate 332. A limiting disk 335 is fixedly installed on the outer side of the clamping rod 331, and a second spring 334 is movably installed on the outer side of the clamping rod 331. The bottom surface of the connecting groove 336 is penetrated by The top end of the latch 331 is tightly attached to the bottom surface of the three latch grooves 333, and the top end of the latch 331 is movably inserted through the bottom surface of the L-shaped plate 332 and extends to the top surface of the L-shaped plate 332. The top end of the second spring 334 is tightly attached to the bottom surface of the L-shaped plate 332. The bottom end of the second spring 334 is fixedly mounted on the top surface of the limit plate 335, and the elastic force of the second spring 334 can drive the limit plate 335 to insert the bottom end of the latch 331 into the three latch grooves 333. The right side of the groove 339 penetrates the interior of the mounting plate 1 and extends to the interior of the placement groove 4. The top end of the L-shaped plate 332 movably penetrates the interior of the connecting groove 336 and extends to the top surface of the mounting plate 1, and sliding the L-shaped plate 332 can drive the color adjustment frame 337 to move horizontally for switching.

[0031] By means of the provided latch rod 331 and the color adjustment frame 337, the color of the light source can be switched for water quality testing. When in use, the latch rod 331 is pulled out to pull the bottom end of the latch rod 331 out from the inside of the latch slot 333, and then the L-shaped plate 332 is pulled to drive the color adjustment frame 337 to move horizontally to switch the position of the color adjustment frame 337. At this time, the latch rod 331 is released and the elastic force of the second spring 334 can drive the limit plate 335 to insert the bottom end of the latch rod 331 into the inside of the latch slot 333 to fix the position of the color adjustment frame 337. Then the water quality can be tested, thereby improving the accuracy of the test data.

[0032] Figure 1-Figure 2 and Figure 5 A second embodiment is shown, which mainly differs from the first embodiment in that: the detection component 31 includes a first slot 313 opened on the left side of the mounting plate 1, a light source 312 is fixedly installed inside the first slot 313, a power block 311 is fixedly installed on the left side of the top surface of the mounting plate 1, a second slot 315 is opened on the right side of the mounting plate 1, a filter 314 and a photodetector 316 are fixedly installed inside the second slot 315, and the power block 311 can provide power for the light source 312 and the photodetector 316 for normal use, the filter 314 is located on the left side of the photodetector 316, one side of the second slot 315 passes through the interior of the mounting plate 1 and extends to the interior of the placement slot 4, the right side of the first slot 313 passes through the interior of the mounting plate 1 and extends to the interior of the movable slot 338, the fixing component 32 includes two slide slots 323 opened on the top surface of the mounting plate 1, sliders 328 are slidably installed inside the two slide slots 323, and the sliders 328 are convex, and the sliders 328 are convex. The top surface of the sample bottle 8 is fixedly installed with a connecting plate 322, and the opposite side of the connecting plate 322 is fixedly installed with an arc plate 321. The right side of the top surface of the connecting plate 322 is movably hinged with a connecting rod 326, and the top of the connecting rod 326 is movably hinged with a pressing plate 325, and the pressing plate 325 can be pressed by the connecting rod 326 to push the connecting plate 322 to make the arc plate 321 leave the outside of the sample bottle body 2 for replacement, and the ends of the two slide grooves 323 away from the pressing plate 325 are fixedly installed with a first spring 327, and the mounting plate 1 is fixedly installed with a placement cylinder 324, and one end of the first spring 327 away from the slider 328 is fixedly installed at one end of the two slide grooves 323, and the slider 328 can be pushed by the elastic force of the first spring 327 to make the connecting plate 322 drive the arc plate 321 to clamp the sample bottle body 2 to fix the position of the sample bottle body 2, and the opposite side of the arc plate 321 is tightly attached to the outer side of the sample bottle body 2, and the bottom end of the sample bottle body 2 movably passes through the interior of the placement groove 4 and extends to the interior of the placement cylinder 324.

[0033] The arc plate 321 provided can be used to fix sample bottle bodies 2 of different sizes. When in use, the pressing plate 325 is pressed to drive the connecting plate 322 to move in the opposite direction through the connecting rod 326, and then the sample bottle body 2 is passed through the placement groove 4 and placed inside the placement tube 324. At this time, the pressing plate 325 is released and the elastic force of the first spring 327 can push the slider 328 so that the connecting plate 322 drives the arc plate 321 to fix the position of the sample bottle body 2 for subsequent testing. It is easy to use and has good practicality.

[0034] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment can be used.

[0035] When in use, the user places the water source to be tested inside the sample bottle body 2, then presses the pressure plate 325 to drive the connecting plate 322 to move in the opposite direction through the connecting rod 326, and then puts the sample bottle body 2 through the placement slot 4 and inside the placement tube 324. At this time, the pressure plate 325 is released, and the elastic force of the first spring 327 can push the slider 328 to make the connecting plate 322 drive the arc plate 321 to fix the position of the sample bottle body 2, pull up the clamping rod 331 to pull the bottom end of the clamping rod 331 out of the inside of the clamping slot 333, and then pull the L-shaped plate 332 to drive the color mixing frame 3 37 is moved horizontally to switch the position of the color adjustment frame 337. After switching to a suitable glass slide, the clamping rod 331 is released, and the elastic force of the second spring 334 can drive the limit plate 335 to make the bottom end of the clamping rod 331 inserted into the inner part of the clamping slot 333 to fix the position of the color adjustment frame 337. At this time, the light source body 312 is turned on. At this time, the light of the light source body 312 will irradiate the outside of the sample bottle body 2 through the glass slide of the color adjustment frame 337, and then the light will be partially absorbed by the sample and will pass through the filter 314 to irradiate the photodetector 316. At this time, the photodetector 316 will detect the light intensity for detection.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include"-"comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process-method-article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process-method-article or device.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A colorimetric device for a handheld water quality detector, comprising a mounting plate (1), characterized in that: A sample bottle body (2) is movably mounted on the top surface of the mounting plate (1), a colorimetric mechanism (3) is arranged inside the mounting plate (1) for detecting water quality, a placement groove (4) is provided on the top surface of the mounting plate (1), and the colorimetric mechanism (3) comprises: A detection component (31) is arranged inside the mounting plate (1) and is used for colorimetric detection of water quality; A fixing assembly (32) is arranged on the top surface of the mounting plate (1) and is used to fix sample bottle bodies (2) of different sizes; A color adjustment component (33) is arranged inside a mounting plate (1) and is used for switching different light sources to perform subsequent colorimetric detection. The color adjustment component (33) comprises a movable groove (338) provided inside the mounting plate (1). A connecting groove (336) and three clamping grooves (333) are provided on the top surface of the mounting plate (1). A groove (339) is provided on the front side of the movable groove (338). A color adjustment frame (337) is movably installed inside the movable groove (338). An L-shaped plate (332) is fixedly installed on the top surface of the color adjustment frame (337). A clamping rod (331) is movably installed on the bottom surface of the L-shaped plate (332). A limiting disk (335) is fixedly installed on the outer side of the clamping rod (331). A second spring (334) is movably installed on the outer side of the clamping rod (331).

2. The colorimetric device of a handheld water quality detector according to claim 1, characterized in that: The bottom surface of the connecting groove (336) passes through the top surface of the movable groove (338) and extends to the inside of the movable groove (338); the bottom end of the clamping rod (331) is tightly attached to the bottom surfaces of the three clamping grooves (333); the top end of the clamping rod (331) movably passes through the bottom surface of the L-shaped plate (332) and extends to the top surface of the L-shaped plate (332); the top end of the second spring (334) is tightly attached to the bottom surface of the L-shaped plate (332); the bottom end of the second spring (334) is fixedly mounted on the top surface of the limiting plate (335); the right side of the groove (339) passes through the inside of the mounting plate (1) and extends to the inside of the placement groove (4); the top end of the L-shaped plate (332) movably passes through the inside of the connecting groove (336) and extends to the top surface of the mounting plate (1).

3. The colorimetric device of a handheld water quality detector according to claim 1, characterized in that: The detection component (31) comprises a first slot (313) opened on the left side of the mounting plate (1), a light source body (312) being fixedly mounted inside the first slot (313), a power supply block (311) being fixedly mounted on the left side of the top surface of the mounting plate (1), a second slot (315) opened on the right side of the mounting plate (1), a filter (314) and a photoelectric detector (316) being fixedly mounted inside the second slot (315).

4. The colorimetric device of a handheld water quality detector according to claim 3, characterized in that: The filter (314) is located on the left side of the photodetector (316), one side of the second slot (315) passes through the interior of the mounting plate (1) and extends to the interior of the placement slot (4), and the right side of the first slot (313) passes through the interior of the mounting plate (1) and extends to the interior of the movable slot (338).

5. The colorimetric device of a handheld water quality detector according to claim 1, characterized in that: The fixing assembly (32) comprises two slide grooves (323) provided on the top surface of the mounting plate (1), a slider (328) being slidably installed inside the two slide grooves (323), a connecting plate (322) being fixedly installed on the top surface of the slider (328), an arc plate (321) being fixedly installed on the opposite side of the connecting plate (322), a connecting rod (326) being movably hinged on the right side of the top surface of the connecting plate (322), a pressure plate (325) being movably hinged on the top of the connecting rod (326), a first spring (327) being fixedly installed on one end of the two slide grooves (323) away from the pressure plate (325), and a placement cylinder (324) being fixedly installed on the bottom surface of the mounting plate (1).

6. The colorimetric device of a handheld water quality detector according to claim 5, characterized in that: One end of the first spring (327) away from the slider (328) is fixedly mounted on one end of the two slide grooves (323), and the opposite side of the arc plate (321) is tightly attached to the outer side of the sample bottle body (2). The bottom end of the sample bottle body (2) moves through the interior of the placement groove (4) and extends to the interior of the placement tube (324).

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