CN107167343B - Milk sampling and fresh-keeping equipment for detection - Google Patents
Milk sampling and fresh-keeping equipment for detection Download PDFInfo
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- CN107167343B CN107167343B CN201710530930.1A CN201710530930A CN107167343B CN 107167343 B CN107167343 B CN 107167343B CN 201710530930 A CN201710530930 A CN 201710530930A CN 107167343 B CN107167343 B CN 107167343B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses milk sampling and fresh-keeping equipment for detection, which comprises a sampling box and at least two sample bottles, wherein one side of the bottom of the box body is provided with at least two fixing sleeves corresponding to the sample bottles, a partition plate is arranged at the middle position, the other side of the bottom of the sampling box is provided with an auxiliary tool box, the height of each fixing sleeve is smaller than that of the sample bottle, refrigeration pipes distributed in a spiral mode are arranged around the fixing sleeves, an air inlet of each refrigeration pipe is arranged at the lower end of the side wall of the sampling box, an air inlet end of each refrigeration pipe corresponds to an outlet end of a vehicle-mounted air conditioner through a connecting pipe, each sample bottle is a barrel-shaped glass bottle, a sampling pipe for milk samples to enter/flow out and a sealing detection device are arranged at the upper end of each sample bottle, a three-way joint is arranged on each sampling pipe, each sealing detection device comprises a pressure regulating pipe and a piston, and the piston is arranged in the pressure regulating pipe and marked with scales on the outer side wall of the pressure regulating pipe.
Description
Technical Field
The invention relates to the technical field of milk detection, in particular to milk sampling and fresh-keeping equipment for detection.
Background
In the milk industry, quality detection of milk at origin is the most important one for ensuring milk quality and safety of consumer drinking. In the prior art, the sampling bottle is a screw cap type, and when in use, the bottle cap is opened to directly pour the milk in the milk storage tank, thereby completing sample collection. In the sampling process, air can be contacted with milk, and the screw cap type sampling bottle cannot guarantee air tightness, namely, the air can be contacted with a sampling sample in the sampling bottle, and the method can cause multiple pollution to the sample and is not beneficial to accurately detecting the primary milk.
In the prior art, CN206057019U (portable anti-pollution fresh-keeping milk sampling device) discloses a device for realizing milk sampling through a sampling tube, so that secondary pollution is reduced, and cooling treatment on a sample is realized by adding ice cubes in an external fresh-keeping shell, so that the sample is ensured not to be deteriorated. Although the device can reduce pollution, the tightness of the bottle body cannot be confirmed, namely if leakage occurs, the sample is in contact with air, and a detector cannot know in time, so that quality detection can be influenced.
Disclosure of Invention
Compared with the prior art, the invention controls the flow direction of milk in the three-way joint through the first valve, realizes the selection of the extracted sample, greatly reduces secondary pollution, detects the air tightness of the sample bottle at any time through the sealing detection device, and ensures the reliability of the detection result.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a detect with milk sample and fresh-keeping equipment, includes sample box and two at least sample bottles, the sample box includes case lid and box, the case lid is connected through the pull buckle with the box, and is equipped with the handle in the case lid upper end be equipped with two at least fixed sleeve corresponding with the sample bottle bottom one side, be equipped with the division board in intermediate position department, and be equipped with auxiliary tool case in sample box bottom opposite side, each fixed sleeve height is less than the sample bottle height, is equipped with the refrigeration pipe that becomes the heliciform distribution around fixed sleeve, the inlet end of refrigeration pipe is established at the lower extreme of sample box lateral wall, and the end of giving vent to anger is located fixed sleeve upside position department, the inlet end of refrigeration pipe is connected with the exit end of on-vehicle air conditioner through the connecting pipe, be equipped with seal detection device, sticky note, sample registration form and strip of paper used for sealing detection in the auxiliary tool case, each sample bottle is the tubulose glass bottle, all is equipped with the sampling pipe and the seal detection device that supply milk sample to get into/flow on each sample bottle upper end be equipped with the tee bend on the sampling pipe, the tee bend valve is equipped with the tee bend and the pressure regulating pipe is equipped with the tee bend and is equipped with the piston in the corresponding with on the tee bend and the pressure regulating pipe and has the piston.
Further, the fixed sleeve is made of iron, and a heat conducting rubber layer is arranged on the inner side of the fixed sleeve.
Further, a second valve is further arranged on the pressure regulating pipe, and the second valve is positioned on the lower side of the piston.
Further, the seal detection device further comprises an inflator, and the air outlet end of the inflator is matched with the upper end of the pressure regulating pipe.
Further, the seal detection device also comprises an inflator comprising an air tightness leak detector.
The beneficial effects of the invention are as follows:
1. the sampling time and the sample position can be selected, the problem that the traditional sampling can only be carried out at the outlet of the milk storage tank of a manufacturer is solved, the problems of inaccurate sampling and detection caused by pollution at the outlet of the milk storage tank are avoided, and meanwhile, the air tightness of the sample bottle can be detected at any time by applying the sealing detection device, so that the detection error is reduced.
2. And the cooling pipe is arranged around the fixed sleeve and connected with the vehicle-mounted air conditioner or the refrigerator, so that cooling treatment is performed when no ice cubes exist, and the flexibility of fresh-keeping measures is improved.
3. After sample collection is completed, the second valve can be closed, so that the possibility of leakage is reduced, and the reliability of the device is further improved.
According to the invention, the flow direction of milk in the three-way joint is controlled through the first valve, so that the sampling time and the sample position are selected, the secondary pollution is greatly reduced, the air tightness of the sample bottle is detected at any time through the mutual cooperation of the parts of the sealing detection device, and the accuracy of the detection result is ensured by removing some error data before the quality detection.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the box;
FIG. 3 is a schematic diagram of a sample bottle structure;
in the figure, 1, a box cover, 11, a handle, 2, a box body, 3, a pull buckle, 4, a fixed sleeve, 5, a partition board, 6, an auxiliary tool box, 7, a refrigerating pipe, 71, an air inlet end, 8, a sample bottle, 81, a sampling pipe, 821, a pressure regulating pipe, 822, a piston, 83, a three-way joint, 84, a first valve, 85 and a second valve.
Detailed Description
For a better understanding of the present invention, embodiments of the present invention are explained in detail below with reference to the drawings.
As shown in fig. 1 to 3, including sample box and at least two sample bottles 8, a plurality of sample bottles 8 can avoid polluting and can't prepare to detect because of sample bottle 8 takes place, the sample box includes case lid 1 and box 2, case lid 1 is connected through pulling buckle 3 with box 2 (the pulling buckle is current mature product, do not make detailed description herein), and be equipped with handle 11 on case lid 1, it is convenient portable, shift, be equipped with at least two fixed sleeve 4 corresponding with sample bottle 8 in box 2 bottom one side, fixed sleeve 4 material is iron, and be equipped with the heat conduction rubber layer in the inboard, sample bottle 8 put in fixed sleeve 4 can avoid rocking because of carrying in-process, rub too big with fixed sleeve 4 and cause the bottle damage, be equipped with division board 5 in box 2 bottom intermediate position department, and be equipped with auxiliary tool case 6 in the opposite side, each fixed sleeve 4 highly is less than sample bottle 8 highly, make things convenient for taking of sample bottle 8.
In order to cool down the sample, ice cubes can be placed around the fixed sleeve 4, and in the absence of ice cubes or in the case of inconvenient weight increase, the cooling can be performed in the following way:
be equipped with the refrigeration pipe 7 that becomes spiral distribution around fixed sleeve 4, refrigeration pipe 7 is connected with the exit end of on-vehicle air conditioner through the connecting pipe, the lower extreme at the sampling box lateral wall is established to the inlet end 71 of refrigeration pipe 7, and the end that gives vent to anger is located fixed sleeve 4 upside position department, air conditioning top-down cools down the sample pipe, in order to improve cooling effect, refrigeration pipe 7 wholly surrounds all fixed sleeve 4 spiral upwards, the application of air conditioner air conditioning or refrigerator air conditioning, greatly made things convenient for this process of sample cooling, solved traditional ice-cube cooling still need pour the water that melts, cooling effect is not durable problem.
The auxiliary tool box 6 is internally provided with a sealing detection device, sticky note, a sampling registry and a seal, tools required by sample collection are all put together, flexibility is improved, after sample collection is completed, important information such as time is marked and attached to the outer side of the fixed sleeve 4 where the sample bottle 8 is located through sticky note, and the problem that observation is affected by the attachment to the sample bottle 8 is reduced.
Each sample bottle 8 is a barrel-shaped glass bottle, glass has good trafficability, is convenient to observe, does not react with milk, does not pollute the sample, is provided with a sampling tube 81 and a sealing detection device for feeding/discharging a milk sample at the upper end of each sample bottle 8, is provided with a three-way joint 83 on the sampling tube 81 in order to avoid the problem that the sample is polluted due to pollution at the outlet of a milk storage tank, three ends of the three-way joint 83 are respectively corresponding to the milk storage tank, the sample bottle 8 and a milk collector of a manufacturer, and is provided with a first valve 84 through control of the first valve 84, so that the sampling time and the sample position are controlled.
The seal detection device comprises a pressure regulating pipe 821 and a piston 822, and can play a role in regulating the air pressure in the sample pipe when the sample is collected. When collecting the sample, milk holding vessel internal pressure is big, can make the air in the sample bottle 8 compress, and then make piston 822 rise, make collection work can go on smoothly, mark the scale on the lateral wall of pressure regulating pipe 821, conveniently fix a position sample volume in the sample bottle 8, in order to detect the gas tightness of pressure regulating pipe 821, sealing detection device still includes the inflator, the end of giving vent to anger of inflator cooperatees with pressure regulating pipe 821 upper end, before gathering the sample, to pressurizing in the sample bottle 8 through the inflator, and the inflator is not dismantled, mark the scale that piston 822 corresponds this moment, observe the position of piston 822 after a period of time again, two scales compare, judge whether pressure regulating pipe 821 takes place to leak.
In order to avoid possible chronic leakage of the piston 822, a second valve 85 is further arranged on the pressure regulating pipe 821, and the second valve 85 is positioned at the lower side of the piston 822 and plays a role of assisting in maintaining tightness.
In order to perform air tightness detection on the whole equipment, the sealing detection device further comprises an air tightness leak detector, the pressure in the sample bottle 8 is increased by pressing the piston 822, then the air tightness detection is performed on the sampling tube 81 and the pressure regulating tube 821 through the air tightness leak detector, the detection range is enlarged, and the accuracy of milk quality detection is ensured.
The working process of the invention comprises the following steps: the whole device is sterilized, after the interface end of the milk storage tank is opened for a period of time, the first valve 84 and the second valve 85 are opened, so that fresh milk samples flow into the sample bottle 8, the sample capacity is observed through scales, and after a preset amount is reached, the first valve 84 is closed, and the sample collection is completed. The piston 822 is recorded corresponding to the scale, and after a period of time, whether the scale is changed or not is observed, if the scale is changed, the bottle sample is polluted, and quality detection cannot be carried out. The freshness of the sample is ensured to the greatest extent.
While the foregoing description of the embodiments of the present invention has been presented with reference to the drawings, it is not intended to limit the scope of the invention, but rather, it is apparent that various modifications or variations can be made by those skilled in the art without the need for inventive work on the basis of the technical solutions of the present invention.
Claims (3)
1. The utility model provides a milk sampling and fresh-keeping equipment for detection, includes sampling box and two at least sample bottles, sampling box includes case lid and box, the case lid is connected through the pull buckle with the box, and is equipped with handle, its characterized in that on the case lid: the automatic milk sampling device comprises a box body, and is characterized in that one side of the bottom of the box body is provided with at least two fixed sleeves corresponding to sample bottles, a separation plate is arranged at the middle position, an auxiliary tool box is arranged at the other side of the bottom of the sampling box, the height of each fixed sleeve is smaller than that of each sample bottle, refrigeration pipes which are distributed in a spiral shape are arranged around the fixed sleeves, the air inlet ends of the refrigeration pipes are arranged at the lower ends of the side walls of the sampling box, the air outlet ends of the refrigeration pipes are positioned at the upper side positions of the fixed sleeves, the air inlet ends of the refrigeration pipes are connected with the outlet ends of an on-vehicle air conditioner through connecting pipes, a sealing detection device, a sticky note, a sampling registration meter and a sealing strip are arranged in the auxiliary tool box, each sample bottle is a barrel-shaped glass bottle, a sampling pipe for milk samples to enter/flow out and a sealing detection device are arranged at the upper end of each sample bottle, one end of each three-way joint corresponds to a milk storage tank, a first valve is arranged on each three-way joint, each sealing detection device comprises a pressure regulating pipe, a piston and an air pump, the piston is arranged in the air pump pipe, the air inlet ends of each pressure regulating pipe are connected to the corresponding pressure regulating pipe, the air pump is arranged at the air inlet ends of the pressure regulating pipe, the pressure regulating pipe is connected to the air pump, the air pump is connected to the air pump through the pressure regulation pipe, and is provided with the corresponding pressure tap valve, and is arranged at the air outlet ends, and is matched with the air pump ends; when the milk sampling and preserving equipment for detection is used, the milk sampling and preserving equipment for detection is integrally sterilized, after the interface end of the milk storage tank is opened for a period of time, the first valve and the second valve are opened, so that fresh milk samples flow into the sample bottle, the sample capacity is observed through scales, and after a preset amount is reached, the first valve is closed, and the sample collection is completed; and recording the corresponding graduation of the piston, observing whether the graduation changes after a period of time, and if the graduation changes, polluting the sample.
2. The milk sampling and preserving apparatus for detecting milk according to claim 1, wherein the fixing sleeve is made of iron, and a heat conductive rubber layer is provided inside the fixing sleeve.
3. A test-cow-milk sampling and preservation apparatus as claimed in claim 1, wherein the seal testing device further comprises an inflator comprising a leak detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710530930.1A CN107167343B (en) | 2017-07-03 | 2017-07-03 | Milk sampling and fresh-keeping equipment for detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710530930.1A CN107167343B (en) | 2017-07-03 | 2017-07-03 | Milk sampling and fresh-keeping equipment for detection |
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| Publication Number | Publication Date |
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| CN107167343A CN107167343A (en) | 2017-09-15 |
| CN107167343B true CN107167343B (en) | 2023-09-08 |
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| CN201710530930.1A Active CN107167343B (en) | 2017-07-03 | 2017-07-03 | Milk sampling and fresh-keeping equipment for detection |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108287246A (en) * | 2017-12-08 | 2018-07-17 | 张荷友 | A kind of Full-automatic milk detection Special sampling device |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1243755A (en) * | 1958-12-29 | 1960-10-14 | Schwarte Gmbh Alfons | Installation for taking milk samples, in particular for tanker trucks used for collecting milk |
| GB1139460A (en) * | 1967-11-08 | 1969-01-08 | Seaborne Thomas Leslie | Milk meter for milking machines |
| IL110928A0 (en) * | 1993-09-14 | 1994-11-28 | Hoefelmayr Bio Melktech | Method and device for extracting an analysis sample from a milk flow during milking |
| CN1142866A (en) * | 1993-12-14 | 1997-02-12 | 萨默塞特技术实验室有限公司 | Leakage detection |
| KR20030060151A (en) * | 2002-01-07 | 2003-07-16 | 최영경 | electronic milking quantitynic detector |
| CN1673714A (en) * | 2005-04-13 | 2005-09-28 | 大庆油田有限责任公司 | Water quality sampling device with closed, aseptic and cold storage function |
| CN201045556Y (en) * | 2007-05-22 | 2008-04-09 | 王基群 | Vehicle mounted air conditioner case for storage |
| CN201666896U (en) * | 2010-03-25 | 2010-12-08 | 艾博生物医药(杭州)有限公司 | Device for detecting the analyte in testing liquid sample |
| CN201885903U (en) * | 2010-07-09 | 2011-06-29 | 艾博生物医药(杭州)有限公司 | Detection device for analyzing analyte in liquid sample |
| CN203005179U (en) * | 2013-01-05 | 2013-06-19 | 郑军 | Cooling and heating storage box for automobile |
| CN103453630A (en) * | 2013-06-04 | 2013-12-18 | 湖南吉利汽车部件有限公司 | Vehicular cold-warm storage box |
| CN203543755U (en) * | 2013-08-08 | 2014-04-16 | 陈耀华 | Device for heating or refrigerating food and beverage through automobile air-conditioner |
| CN103760371A (en) * | 2013-12-23 | 2014-04-30 | 苏州科雷芯电子科技有限公司 | Method and device for rapidly detecting raw milk bacteria |
| CN205580783U (en) * | 2016-03-22 | 2016-09-14 | 河南龙宇煤化工有限公司 | Novel sealed sample case of liquid sample |
| CN105966780A (en) * | 2016-05-10 | 2016-09-28 | 山东省农业科学院农业质量标准与检测技术研究所 | Portable type cucumber pesticide residue detecting, sampling and freshness-retaining box |
| CN106017823A (en) * | 2015-08-28 | 2016-10-12 | 保集团有限公司 | Sealing detection device |
| CN106168544A (en) * | 2016-09-30 | 2016-11-30 | 山东省农业科学院农业质量标准与检测技术研究所 | A kind of portable anti-pollution preservation milk sampler |
| CN206974732U (en) * | 2017-07-03 | 2018-02-06 | 山东省农业科学院农业质量标准与检测技术研究所 | A kind of detection milk sampling and freshness preserving equipment |
-
2017
- 2017-07-03 CN CN201710530930.1A patent/CN107167343B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1243755A (en) * | 1958-12-29 | 1960-10-14 | Schwarte Gmbh Alfons | Installation for taking milk samples, in particular for tanker trucks used for collecting milk |
| GB1139460A (en) * | 1967-11-08 | 1969-01-08 | Seaborne Thomas Leslie | Milk meter for milking machines |
| IL110928A0 (en) * | 1993-09-14 | 1994-11-28 | Hoefelmayr Bio Melktech | Method and device for extracting an analysis sample from a milk flow during milking |
| CN1142866A (en) * | 1993-12-14 | 1997-02-12 | 萨默塞特技术实验室有限公司 | Leakage detection |
| KR20030060151A (en) * | 2002-01-07 | 2003-07-16 | 최영경 | electronic milking quantitynic detector |
| CN1673714A (en) * | 2005-04-13 | 2005-09-28 | 大庆油田有限责任公司 | Water quality sampling device with closed, aseptic and cold storage function |
| CN201045556Y (en) * | 2007-05-22 | 2008-04-09 | 王基群 | Vehicle mounted air conditioner case for storage |
| CN201666896U (en) * | 2010-03-25 | 2010-12-08 | 艾博生物医药(杭州)有限公司 | Device for detecting the analyte in testing liquid sample |
| CN201885903U (en) * | 2010-07-09 | 2011-06-29 | 艾博生物医药(杭州)有限公司 | Detection device for analyzing analyte in liquid sample |
| CN203005179U (en) * | 2013-01-05 | 2013-06-19 | 郑军 | Cooling and heating storage box for automobile |
| CN103453630A (en) * | 2013-06-04 | 2013-12-18 | 湖南吉利汽车部件有限公司 | Vehicular cold-warm storage box |
| CN203543755U (en) * | 2013-08-08 | 2014-04-16 | 陈耀华 | Device for heating or refrigerating food and beverage through automobile air-conditioner |
| CN103760371A (en) * | 2013-12-23 | 2014-04-30 | 苏州科雷芯电子科技有限公司 | Method and device for rapidly detecting raw milk bacteria |
| CN106017823A (en) * | 2015-08-28 | 2016-10-12 | 保集团有限公司 | Sealing detection device |
| CN205580783U (en) * | 2016-03-22 | 2016-09-14 | 河南龙宇煤化工有限公司 | Novel sealed sample case of liquid sample |
| CN105966780A (en) * | 2016-05-10 | 2016-09-28 | 山东省农业科学院农业质量标准与检测技术研究所 | Portable type cucumber pesticide residue detecting, sampling and freshness-retaining box |
| CN106168544A (en) * | 2016-09-30 | 2016-11-30 | 山东省农业科学院农业质量标准与检测技术研究所 | A kind of portable anti-pollution preservation milk sampler |
| CN206974732U (en) * | 2017-07-03 | 2018-02-06 | 山东省农业科学院农业质量标准与检测技术研究所 | A kind of detection milk sampling and freshness preserving equipment |
Non-Patent Citations (1)
| Title |
|---|
| 食品企业过氧化值测定中样品处理方法的改进;罗慧东;2016第五届中国食品安全高峰论坛;全文 * |
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