CN212364097U - PH colorimetric plate for quick colorimetric - Google Patents
PH colorimetric plate for quick colorimetric Download PDFInfo
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- CN212364097U CN212364097U CN202021226555.5U CN202021226555U CN212364097U CN 212364097 U CN212364097 U CN 212364097U CN 202021226555 U CN202021226555 U CN 202021226555U CN 212364097 U CN212364097 U CN 212364097U
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- colorimetric
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- test paper
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- comparison
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- 238000012360 testing method Methods 0.000 claims abstract description 82
- 238000004737 colorimetric analysis Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 230000002441 reversible effect Effects 0.000 claims description 2
- 230000000873 masking effect Effects 0.000 claims 1
- 230000000007 visual effect Effects 0.000 abstract description 2
- 230000003044 adaptive effect Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000002585 base Substances 0.000 description 4
- 239000003086 colorant Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012372 quality testing Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 208000003464 asthenopia Diseases 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
Abstract
The utility model discloses a pH colorimetric board for rapid color comparison, aiming at providing a pH comparison device which can rapidly compare pH values; the utility model is provided with a connecting part of a chute and an adaptive chute on the two side surfaces of the colorimetric plate, and connects a baffle plate positioned right above the colorimetric plate and a pH clamping device positioned right below the colorimetric plate by the connecting part, and connects the tail part of the pH clamping device and the head part of the baffle plate; meanwhile, each colorimetric area is provided with a colorimetric hole, when the pH clamping device slides, the pH clamping device slides to the comparison area, the shielding plate shields the area to be compared, and the observation is not influenced by the adjacent colorimetric areas; comparing the color of the pH test paper with the color of the color comparison area through the color comparison hole to obtain the pH range of the solution to be detected, and arranging the pH clamping device right below the color comparison area to enable an operator to quickly react and quickly judge; the test device is very convenient and quick, the whole structure is delicate, the operation is simple and convenient, and the test result is more visual and accurate.
Description
Technical Field
The utility model relates to a water quality monitoring field especially relates to a pH colorimetric plate of quick color comparison.
Background
The method for detecting the pH value of the solution commonly uses a pH acidity meter and pH test paper, wherein the pH test paper is convenient to carry and simple and quick to use, is popular among more and more professionals, and is widely applied to the fields of industry, agriculture, breeding industry, civil use and medicine. Meanwhile, when the environmental protection department monitors the water quality and is under the limit of rapid detection in field operation or field spot check and the like, the pH test paper has low price and convenient use, and becomes the most appropriate water quality detection tool.
The existing pH test paper is usually in a long strip-shaped structure, when in detection, one piece of pH test paper is torn off and needs to be placed in a watch glass firstly, a drop of solution is dipped from a glass container by using a dry glass rod and is dripped in the middle of the pH test paper, then the pH test paper is removed from the watch glass, and then the pH test paper is compared with a standard colorimetric card, so that the pH value of the solution is judged from the color change of the pH test paper, the operation is complicated, and the pH test paper of the container without the proper pH test paper is easy to damp and scrap, the factors influence the accuracy and the detection efficiency of a detection result to a certain extent, and the pH test paper is a great hidden danger in environmental protection work; in the existing type of comparison card, acid and alkali comparison colors are usually printed on the same surface, and the comparison card is a paper comparison board, so that a solution to be detected may be accidentally splashed onto the comparison board in actual comparison, and a color area is polluted; meanwhile, due to the particularity of the water quality pH detection work, multipoint sampling pH detection is often required for detection, eye fatigue is caused by manual comparison of a standard colorimetric card for many times, and the manual comparison may be interfered by the color of an adjacent color block during color comparison, so that judgment errors or inaccurate judgment are caused; in addition, in the existing comparison methods, the pH test paper is placed beside the colorimetric plate to perform color identification comparison back and forth, a comparator needs to expend great energy to memorize and compare the colors of the pH test paper, and therefore, under the conditions of long-time detection and multi-sampling-point detection, the comparison method is time-consuming and troublesome.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects existing in the technology, the utility model provides a color comparison card which can ensure that the color area of the color comparison card is not polluted; the color comparison is carried out with an independent color block during color comparison, the corresponding pH value range can be more accurately determined by visually comparing the color with the color holes, and the pH value is set on the color block and can be visually read during comparison.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a pH test paper colorimetric plate for rapid colorimetry is characterized by comprising a colorimetric plate, a baffle plate, a connecting part and a pH test paper clamping part;
and (3) colorimetric plate: comprises a chute, a colorimetric part and a comparison hole; the two sliding grooves are respectively arranged on two side surfaces of the colorimetric plate; the central position of each color zone of the colorimetric part is provided with a colorimetric hole; the colorimetric part also comprises a comparison area and an area to be compared;
a shielding plate: the shielding plate is arranged on one side of the upper surface of the colorimetric plate and is used for shielding the area to be compared;
a pH test paper clamping part: comprises a pH test paper groove for loading pH test paper; the pH test paper groove is arranged on one side of the lower surface of the colorimetric plate;
a connecting part: comprises a connecting piece and a sliding block; the sliding block is fixedly connected to the middle part of the connecting piece and matched with the sliding groove; one end of the connecting piece is fixedly connected with the head of the baffle plate, and the other end of the connecting piece is fixedly connected with the tail of the pH test paper groove;
when the pH test paper groove is driven, the sliding block slides on the sliding groove and drives the shielding plate to slide; when the pH test paper slot is positioned under the comparison area, the shielding plate shields the area to be compared.
The pH test paper clamping part also comprises a first clamping piece and a second clamping piece; the first clamping piece and the second clamping piece are fixed on two sides of the pH test paper groove; the first clamping piece and the second clamping piece clamp the pH test paper in the pH test paper groove.
Wherein, the colorimetric hole is consistent with the pH test paper groove in size.
Wherein each of said color zones is indicated by a corresponding pH value.
The upper surface of the colorimetric plate and the lower surface of the colorimetric plate are respectively provided with an acid-base comparison color zone, and the colorimetric plate can be assembled in a turnover mode.
Wherein the length of the sliding groove is less than the length of the side surface; one end is sealed, the other end is communicated with the outside, and one end communicated with the outside is provided with a matched limiting pin.
Wherein, the size of the colorimetric hole is consistent with that of the pH test paper groove.
The size of the shielding plate is consistent with that of each color zone and is parallel to the colorimetric plate.
Wherein the colorimetric plate is 7cm long, 2cm wide and 1cm thick; each color zone is 7cm in size and 2cm in width.
Wherein, the color comparison plate is made of plastic materials, and prevents the color area from being polluted by liquid.
The utility model has the advantages that: compared with the prior art, the utility model arranges the comparison holes in each color area of the color comparison plate, and can visually and directly judge the color during comparison; and a sliding groove is arranged on the side surface of the sliding plate; and the upper surface side and the lower surface side of the colorimetric plate are respectively provided with a baffle plate and a pH clamping device; connecting the shielding plate with a connecting piece between the pH clamping devices, wherein the middle part of the connecting piece is connected with a sliding block matched with the sliding chute; so that the shielding plate and the pH clamping device can slide on the chute simultaneously; particularly, during comparison, the shielding plate can shield the area to be compared, namely shield the adjacent color areas of the comparison area to prevent the interference of the adjacent color areas; simultaneously with the setting of pH clamping device in the below of colorimetric plate, can not take place splashing of solution when dropwise add solution with comparing, just also prevented that the contrast from causing the pollution to the colour space of board.
Drawings
Fig. 1 is a schematic structural diagram of a pH test paper colorimetric plate for rapid color comparison of the present invention;
fig. 2 is a schematic view of the usage state of the pH test paper colorimetric plate for rapid color comparison of the present invention;
FIG. 3 is a schematic view showing the connection relationship between the shielding plate and the pH test paper holding portion of the pH test paper colorimetric plate for rapid colorimetry according to the present invention;
figure 4 is the top view of the pH test paper color board of the rapid color comparison of the utility model.
The main element symbols are as follows:
1. colorimetric plate 11, chute
111. Limiting pin 12 and colorimetric part
121. Alignment region 122 and region to be aligned
13. Color comparison hole 2 and shielding plate
3. PH test paper clamping part 31, first holder
32. Second clamping piece 33 and pH test paper groove
4. Connecting part 41 and connecting piece
42. A slide block.
Detailed Description
In order to make the present invention clearer, the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1-3 (color areas of the color chart with only pH =6 and pH =7 are labeled for illustration, and in practical applications, the other color areas are all provided with colors corresponding to pH values), a pH test paper color chart for rapid color comparison includes a color chart 1, a shielding plate 2, a pH test paper clamping portion 3, and a connecting portion 4;
the colorimetric plate comprises a chute 11, a colorimetric part 12 and a colorimetric hole 13; the two sliding grooves are respectively arranged on two side surfaces of the colorimetric plate; a color comparison hole 13 is formed in the center of each color zone of the color comparison part; the colorimetric part 12 includes a comparison area 121 and a to-be-compared area 122, where the comparison area and the to-be-compared area are only for the comparison state, and it is not limited that a certain color area is the comparison area or the to-be-compared area;
the shielding plate 2: the shielding plate 2 is arranged on one side of the upper surface of the colorimetric plate and used for shielding the to-be-compared area 122;
pH test paper holding part 3: comprises a first clamping piece 31, a second clamping piece 32 and a pH test paper groove 33; the first clamping piece 31 and the second clamping piece 32 are fixed on two sides of the pH test paper groove; the first clamping piece 31 and the second clamping piece 32 clamp the pH test paper in the pH test paper groove 33; the pH test paper groove 33 is arranged on one side of the lower surface of the colorimetric plate;
connecting part 4: comprises a connecting piece 41 and a sliding block 42; the sliding block 42 is fixedly connected to the middle part of the connecting piece 41, and the sliding block 42 is matched with the sliding chute 11; one end of the connecting piece 41 is fixedly connected with the head of the baffle plate 2, the other end of the connecting piece is fixedly connected with the tail of the pH test paper groove 33, and the pH test paper groove 33 and the baffle plate 2 form a Z-shaped structure;
when the pH test paper slot 33 is driven, the sliding block 42 slides on the sliding slot 11 and drives the baffle plate 2 to slide; when the pH test paper slot 33 is located right below the comparison area 121, the shielding plate shields the area to be compared 122.
In this embodiment, referring to fig. 1-2, the colorimetric hole 12 and the pH test paper groove 33 have the same size, so that the visual range of the colorimetric hole can cover the reaction range of the pH test paper in the pH test paper groove, the lighting is rich, no color deviation occurs, and the color reflected by the pH test paper can be seen more comprehensively and more intuitively.
In this embodiment, every the colour gamut indicates corresponding pH value, and at the comparison in-process, the demonstration of pH value can help the audio-visual pH value of reading out of testing personnel, is the setting that makes things convenient for testing personnel.
In this embodiment, referring to fig. 2, an acid-base colorimetric region is respectively disposed on an upper surface of a colorimetric plate 1 and a lower surface of the colorimetric plate, and the colorimetric plate is assembled in a reversible manner; simultaneously, because the color space all is the brush coat of embedding in the colorimetric plate, shielding plate 1 and pH test paper groove 33 all hug closely the colorimetric plate and move, also follow the color comparison hole daylighting when comparing, so can not cause the interference to the colour that appears on the pH test paper.
In the present embodiment, the chute 11 has a length less than the side length; one end of the baffle plate is closed, the other end of the baffle plate is communicated with the outside, and a port is provided with a matched limiting pin 111 to prevent the baffle plate 1 and the pH test paper groove 33 from sliding out of the sliding groove to cause damage when not in use; in addition, the structure with two closed ends is not provided, so that the colorimetric plate cannot be assembled in a turnover mode.
In this embodiment, each colour zone size is unanimous on the color comparison portion, and every 13 size unanimous than the colour hole, and do not leave white between the adjacent colour zone, diminishes the volume of material object as far as, adapts to field work condition, conveniently carries.
In this embodiment, please refer to fig. 1-4, the shielding plate 1 is in the same size with each color region and is parallel to the color comparison plate, so that the shielding plate 1 is set to completely shield the influence of the neighboring color blocks that have not been compared when the color regions are shielded, because only one neighboring color region affects the first color region during the comparison process, and the left-hand holding action can shield the compared color regions when the next color region is determined to be compared, thereby simplifying the structure as much as possible and facilitating the carrying.
In this embodiment, the adopted colorimetric plate is specifically a cuboid, and the specific dimensions selected here are 7cm in length, 2cm in width, and 1cm in thickness; every colour gamut length is 7cm, wide 2cm to, the plastics material has been chooseed for use to the material of colour comparison board, can reduce the cost of manufacture when preventing that the colour gamut from by liquid pollution, is favorable to processing production and marketing.
The working process is as follows: firstly, sliding a sliding block to enable a pH test paper groove to extend out of a colorimetric plate, clamping the pH test paper in the pH test paper groove through a first clamping piece and a second clamping piece, dripping liquid on the pH test paper, and moving the sliding block or the pH test paper groove to compare after the pH test paper changes color; when the pH test paper groove slides to the position right below the color comparison hole of the first color zone, the shielding plate slides to the adjacent color comparison-free zone to shield; meanwhile, an operator compares the color of the pH test paper with the color of the color comparison area, and if the colors are similar, the conclusion is directly obtained through the pH value on the color area; if the observed color difference is large, the pH test paper groove is continuously slid to the next color area for comparison, and at the moment, an operator can hold the colorimetric plate and simultaneously shield the compared area; if find the pH value of the one side unable representation solution of comparing at present, then pull out the spacer pin of spout one end, the roll-off slider, again with the color comparison board upset assembly, repeat just the operation of comparing and carry out the pH and compare.
The utility model has the advantages that:
(1) the baffle plate positioned right above the colorimetric plate and the pH clamping device positioned right below the colorimetric plate are connected by connecting pieces in the connecting parts through the chutes arranged on the two side surfaces of the colorimetric plate and the matching chutes; meanwhile, the colorimetric area is provided with a color comparison hole, when the pH clamping device slides, the pH clamping device slides to the comparison area, the shielding plate shields the area to be compared, an operator compares through the color comparison hole without being influenced by the adjacent color areas, and the colorimetric area is arranged right below the color areas and can quickly react; the whole structure is delicate, the operation is simple and convenient, and the comparison is rapid;
(2) the front and back surfaces of the color comparison plate are provided with corresponding acid-base comparison color comparison areas, and the acid-base comparison can be realized by turning and assembling the color comparison plate, so that the color comparison plate is very convenient and quick; the volume of the whole tool is reduced; the water quality testing device is particularly suitable for workers who carry out water quality testing for a long time, reduces the carrying capacity of tools, increases the structural stability, ensures the pH comparison accuracy, and reduces the comparison workload.
The above disclosure is only for the specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.
Claims (10)
1. A pH colorimetric plate for rapid colorimetry is characterized by comprising a colorimetric plate, a baffle plate, a connecting part and a pH test paper clamping part;
and (3) colorimetric plate: comprises a chute, a colorimetric part and a comparison hole; the two sliding grooves are respectively arranged on two side surfaces of the colorimetric plate; the central position of each color zone of the colorimetric part is provided with a colorimetric hole; the colorimetric part also comprises a comparison area and an area to be compared;
a shielding plate: the shielding plate is arranged on one side of the upper surface of the colorimetric plate and is used for shielding the area to be compared;
a pH test paper clamping part: comprises a pH test paper groove for loading pH test paper; the pH test paper groove is arranged on one side of the lower surface of the colorimetric plate;
a connecting part: comprises a connecting piece and a sliding block; the sliding block is fixedly connected to the middle part of the connecting piece and matched with the sliding groove; one end of the connecting piece is fixedly connected with the head of the baffle plate, and the other end of the connecting piece is fixedly connected with the tail of the pH test paper groove;
when the pH test paper groove is driven, the sliding block slides on the sliding groove and drives the shielding plate to slide; when the pH test paper slot is positioned under the comparison area, the shielding plate shields the area to be compared.
2. The rapid colorimetric pH colorimetric plate according to claim 1, wherein the pH test paper holder further comprises a first holder and a second holder; the first clamping piece and the second clamping piece are fixed on two sides of the pH test paper groove; the first clamping piece and the second clamping piece clamp the pH test paper in the pH test paper groove.
3. The rapid colorimetric pH plate according to claim 1, wherein the colorimetric hole is the same size as the pH test paper groove.
4. The rapid colorimetric pH panel of claim 1, wherein each of the color zones is labeled with a corresponding pH value.
5. The rapid color comparison pH colorimetric plate according to claim 1, wherein the upper surface of the colorimetric plate and the lower surface of the colorimetric plate are respectively provided with acid-base color comparison regions, and the colorimetric plate is assembled in a reversible manner.
6. The rapid colorimetric pH colorimetric plate according to claim 1 wherein the chute length is less than the side length; one end is sealed, the other end is communicated with the outside, and one end communicated with the outside is provided with a matched limiting pin.
7. The rapid colorimetric pH panel of claim 1, wherein each color zone of the colorimetric portion is of a uniform size and each colorimetric well is of a uniform size.
8. The rapid colorimetry pH cell according to claim 7 wherein the masking plates are of the same size as each of the color zones and are parallel to the cell.
9. The rapid color comparison pH colorimetric plate according to claim 7, wherein the colorimetric plate has a length of 7cm, a width of 2cm, and a thickness of 1 cm; each color zone is 7cm in size and 2cm in width.
10. The rapid color comparison pH cell according to claim 1, wherein the cell is made of plastic to prevent the color space from being contaminated by liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021226555.5U CN212364097U (en) | 2020-06-29 | 2020-06-29 | PH colorimetric plate for quick colorimetric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021226555.5U CN212364097U (en) | 2020-06-29 | 2020-06-29 | PH colorimetric plate for quick colorimetric |
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| Publication Number | Publication Date |
|---|---|
| CN212364097U true CN212364097U (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021226555.5U Expired - Fee Related CN212364097U (en) | 2020-06-29 | 2020-06-29 | PH colorimetric plate for quick colorimetric |
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| CN (1) | CN212364097U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116399862A (en) * | 2023-06-07 | 2023-07-07 | 中国农业大学 | Portable selenium-enriched food rapid detection device and method |
-
2020
- 2020-06-29 CN CN202021226555.5U patent/CN212364097U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116399862A (en) * | 2023-06-07 | 2023-07-07 | 中国农业大学 | Portable selenium-enriched food rapid detection device and method |
| CN116399862B (en) * | 2023-06-07 | 2023-08-01 | 中国农业大学 | Portable selenium-enriched food rapid detection device and method |
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