CN109521009B - Sulfur dioxide detection device for canned fruits - Google Patents
Sulfur dioxide detection device for canned fruits Download PDFInfo
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- CN109521009B CN109521009B CN201811410728.6A CN201811410728A CN109521009B CN 109521009 B CN109521009 B CN 109521009B CN 201811410728 A CN201811410728 A CN 201811410728A CN 109521009 B CN109521009 B CN 109521009B
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- grinding
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- 238000001514 detection method Methods 0.000 title claims abstract description 162
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 235000013574 canned fruits Nutrition 0.000 title abstract description 9
- 235000013399 edible fruits Nutrition 0.000 claims abstract description 39
- 238000005070 sampling Methods 0.000 claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims description 24
- 239000010959 steel Substances 0.000 claims description 24
- 238000005485 electric heating Methods 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 6
- 230000002441 reversible effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 2
- 238000002791 soaking Methods 0.000 description 14
- 239000007788 liquid Substances 0.000 description 9
- 239000012153 distilled water Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 208000006673 asthma Diseases 0.000 description 2
- 206010012735 Diarrhoea Diseases 0.000 description 1
- 208000000059 Dyspnea Diseases 0.000 description 1
- 206010013975 Dyspnoeas Diseases 0.000 description 1
- 206010020751 Hypersensitivity Diseases 0.000 description 1
- 206010047700 Vomiting Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 208000026935 allergic disease Diseases 0.000 description 1
- 230000007815 allergy Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 229940099259 vaseline Drugs 0.000 description 1
- 230000008673 vomiting Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
- G01N2001/2866—Grinding or homogeneising
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a fruit can sulfur dioxide detection device, which comprises a crushing chamber and a detection chamber, wherein the crushing chamber is positioned at the upper part of a detection box body; the crushing chamber is internally provided with a crushing device, a crushing outer cylinder and a crushing inner cylinder which is positioned in the crushing outer cylinder and detachably connected with the crushing outer cylinder; the conical structure at the bottom of the crushing outer cylinder is positioned in the detection chamber, and a lower sampling tube is arranged at the middle part of the conical structure; a rotatable plugging rod is inserted into the bottom of the lower sampling tube; the top of the detection box body is provided with a grinding box body, and the bottom of the grinding box body is communicated with the crushing inner cylinder; the detection box body is internally provided with a detection tube placing frame which is in sliding connection with the bottom of the detection box body, and a plurality of detection tubes which are embedded in the detection tube placing frame side by side. The invention can not only rapidly detect sulfur dioxide in the canned fruit, but also is convenient to carry.
Description
Technical Field
The invention relates to a sulfur dioxide detection device, in particular to a fruit can sulfur dioxide detection device.
Background
Sulfur dioxide is a bleaching agent, which can make the sales of canned fruits more in line with the expectations of consumers, but unhealthy, and eating canned fruits containing too much sulfur dioxide easily causes symptoms such as dyspnea, vomiting, diarrhea, etc., especially for asthmatic patients, which may cause recurrence of asthma due to allergy, and serious patients have more fatal risks. In the prior art, the instrument for detecting sulfur dioxide in the canned fruits is large, so that the instrument is inconvenient to carry, the sample is required to be sent to a laboratory to be detected by using a sulfur dioxide detecting instrument in the laboratory, the detection efficiency of sulfur dioxide is limited to a great extent, and pretreatment operations such as crushing, soaking and the like are required to be carried out on fruits in the canned fruits before detection.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides the fruit can sulfur dioxide detection device which combines pretreatment operation and detection of fruit can sulfur dioxide detection, can rapidly detect sulfur dioxide in fruit cans, and has various functions.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a fruit can sulfur dioxide detection device, includes the detection box that is divided into crushing room and detection room by the division board, the division board level sets up in the detection box;
the crushing chamber is internally provided with a crushing outer cylinder, the crushing outer cylinder comprises a cylinder wall nested with the crushing inner cylinder and a bottom cylinder with a conical structure, the bottom cylinder penetrates through the partition plate and stretches into the detection chamber, the bottom of the bottom cylinder is provided with a lower sampling pipe, a rotatable plugging rod is inserted into the lower sampling pipe, and a sample diversion hole which can be communicated with the bottom cylinder is formed in the plugging rod; a crushing blade connected with a crushing motor is arranged in the crushing inner cylinder, a liquid-permeable hole is arranged at the bottom of the crushing inner cylinder, and a filter screen is arranged below the liquid-permeable hole;
the top of the detection box body is provided with a grinding box body, and a grinding device and a reversible storage plate are arranged in the grinding box body; one end of the object placing plate is embedded on the left side of the grinding box body, and the other end of the object placing plate extends out of the right side of the grinding box body and is connected with the first rotating part; the bottom of the grinding box body is connected with the crushing inner cylinder through a guide plate which is obliquely arranged;
a detection tube placing rack which is connected with the bottom of the detection chamber in a sliding way is arranged in the detection chamber, and a plurality of detection tubes are embedded on the detection tube placing rack side by side; one end of the detection tube placing frame is connected with a handle outside the detection chamber through a connecting rod;
the detection chamber is internally provided with a vibration positioning device, the vibration positioning device comprises vibration motors arranged on the inner walls of the two sides of the detection chamber, and the vibration motors are connected with the steel balls through elastic pieces; the two side walls of the detection tube placement frame are provided with arc-shaped sliding grooves matched with the steel balls at the positions corresponding to the detection tubes, and the steel balls are embedded in the arc-shaped sliding grooves.
Further, the crushing motor is fixedly arranged at the top of the crushing chamber, and the crushing motor is connected with crushing blades through a rotating shaft.
Further, the filter screen is fixed in the conical structure of the crushing outer cylinder and is arranged between the bottom of the crushing inner cylinder and the lower sampling tube.
Further, the grinding device comprises a telescopic motor fixedly arranged at the top of the grinding box body; the telescopic motor is connected with a grinding cutting board positioned in the grinding box body through a telescopic rod; the object placing plate is positioned below the grinding cutting board; limiting baffles positioned on two sides of the grinding cutting board are also fixedly arranged on the object placing board; the lower end of the guide plate is in smooth connection with the crushing inner cylinder.
Further, a plurality of detecting tube placing grooves are formed in the detecting tube placing rack side by side, and the detecting tubes are placed in the detecting tube placing grooves.
Further, the elastic piece is fixed between the steel ball and the output shaft of the vibration motor; the steel ball and the lower sampling tube are both positioned at the center of the detection chamber.
Further, the detection tube placement frame is connected with the bottom of the detection chamber in a sliding way through a sliding rail; and a buffer block is adhered to one side, far away from the handle, of the detection chamber.
Further, one end of the plugging rod extends out of the detection chamber, and a second rotating part is fixedly arranged on the plugging rod.
Further, an electric heating resistance wire and a temperature sensor are arranged in the detection chamber; the electric heating resistance wire is electrically connected with an external power supply; and a display screen electrically connected with the temperature sensor is embedded on the outer side of the detection chamber.
Further, a color-developing clamping plate is adhered to the outer side wall of the detection box body.
The beneficial effects are that: compared with the prior art, the pretreatment operation and detection of sulfur dioxide detection of the fruit cans are combined through the arrangement of the grinding box body, the grinding chamber and the detection chamber, so that the sulfur dioxide in the fruit cans can be rapidly detected, the functions are diversified, and the ground fruit cans can enter the grinding chamber through the guide plate for grinding after being overturned at a certain angle through the overturned object placing plate arranged in the grinding box body; secondly, through the arrangement of the filter screen, the soaking liquid flowing into the blanking pipe can be filtered, so that the blanking pipe is prevented from being blocked; then, through inserting the rotatable plugging rod at the bottom of the lower sampling tube, and arranging a sample guide hole on the plugging rod, the sample in the lower sampling tube can be guided into the detection tube through the sample guide hole after rotating the plugging rod, so that the conduction and the plugging of the sample are realized; on the basis, a plurality of groups of parallel tests and control tests can be arranged through a plurality of detection tubes which are embedded in the detection tube placing frame side by side, so that the detection result is more accurate and reliable; then, the vibration positioning device can ensure that the sample is accurately added into the detection tube through the lower sampling tube for detection, and plays a role in vibrating and shaking up the detection liquid in the detection tube; finally, the arrangement of the electrothermal wire, the temperature sensor and the display screen can ensure that the detection chamber is in a certain temperature range.
Drawings
Fig. 1 is a schematic structural view of a sulfur dioxide detecting device for fruit cans according to the present invention;
fig. 2 is a partial cross-sectional view of a sulfur dioxide detection device for fruit cans according to the present invention.
In the figure: 1-detection box, 2-grinding box, 3-telescopic motor, 4-telescopic rod, 5-grinding chopping block, 6-placing plate, 7-first rotating part, 8-limit baffle, 9-guide plate, 10-partition plate, 11-crushing outer cylinder, 12-crushing motor, 13-rotating shaft, 14-crushing inner cylinder, 15-crushing blade, 16-lower tube, 17-blocking rod, 18-buffer block, 19-detection tube placing rack, 20-slide rail, 21-detection tube, 22-connecting rod, 23-handle, 24-steel ball, 25-detection tube placing groove, 26-arc chute, 27-limit groove, 28-elastic piece, 29-distilled water filling port, 30-color development clamping plate, 31-electric heating wire blocking, 32-temperature sensor, 33-display screen, 34-vibration motor, 35-filter screen and 36-second rotating part.
Detailed Description
In the description of the present invention, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
The invention is further illustrated in the following figures and examples.
Referring to fig. 1, a sulfur dioxide detecting device for fruit cans comprises a detecting box body 1 divided into a crushing chamber and a detecting chamber by a partition plate 10, wherein the partition plate 10 is horizontally arranged in the detecting box body 1;
the crushing chamber is internally provided with a crushing outer cylinder 11, the crushing outer cylinder 11 comprises a cylinder wall nested with a crushing inner cylinder 14 and a bottom cylinder with a conical structure, the bottom cylinder penetrates through the partition plate 10 and stretches into the detection chamber, the bottom of the bottom cylinder is provided with a lower sampling pipe 16, a rotatable blocking rod 17 is inserted into the lower sampling pipe 16, and a sample guide hole which can be communicated with the bottom cylinder is formed in the blocking rod 17; the crushing inner cylinder 14 is internally provided with crushing blades 15 connected with the crushing motor 12, the bottom of the crushing inner cylinder 14 is provided with a liquid-permeable hole, and a filter screen 35 is arranged below the liquid-permeable hole;
the top of the detection box body 1 is provided with a grinding box body 2, and a grinding device and a reversible object placing plate 6 are arranged in the grinding box body 2; one end of the object placing plate 6 is embedded in the left side of the grinding box body 2, and the other end extends out of the right side of the grinding box body 2 and is connected with the first rotating part 7; the bottom of the grinding box body 2 is connected with the grinding inner cylinder 14 through a guide plate 9 which is obliquely arranged; the grinding box body can grind and press the big fruits in the fruit cans, so that the quick grinding of the grinding chamber is facilitated, and meanwhile, the grinding uniformity of the fruits is better ensured.
Referring to fig. 1 and 2, a detection tube rack 19 slidably connected to the bottom of the detection chamber is disposed in the detection chamber, and a plurality of detection tubes 21 are embedded in the detection tube rack 19 side by side; one end of the detection tube placing frame 19 is connected with a handle (23) outside the detection chamber through a connecting rod 22;
referring to fig. 1 and 2, the detection chamber is further provided with a vibration positioning device, the vibration positioning device comprises vibration motors 34 arranged on the inner walls of the two sides of the detection chamber, and the vibration motors 34 are respectively embedded in limit grooves 27 formed in the inner walls of the two sides of the detection chamber; the vibration motor 34 is connected with the steel ball 24 through the elastic piece 28; the two side walls of the detecting tube placing frame 19 are provided with arc-shaped sliding grooves 26 matched with the steel balls 24 at positions corresponding to the detecting tubes 21, and the steel balls 24 are embedded in the arc-shaped sliding grooves 26.
Referring to fig. 1, the bottom cylinder of the conical structure of the crushing outer cylinder 11 and the wall of the crushing outer cylinder 11 are integrated, and the detecting tube 21 in this embodiment is a prior art, which is not further described in this embodiment. In this embodiment, the plugging rod 17 inserted at the bottom of the lower sampling tube 16 is tightly attached to the periphery of the lower sampling tube 16 to be reinforced and lubricated by vaseline, and one end of the plugging rod 17 inserted in the lower sampling tube 16 is exposed out of the lower sampling tube 16.
According to the embodiment, firstly, the pretreatment operation and detection of sulfur dioxide detection of the fruit cans are combined through the arrangement of the grinding box body, the grinding chamber and the detection chamber, so that the sulfur dioxide in the fruit cans can be rapidly detected, the functions are diversified, and the ground fruit cans can enter the grinding chamber through the guide plate for grinding after being turned over at a certain angle through the turnover object placing plate arranged in the grinding box body; secondly, through the arrangement of the filter screen, the soaking liquid flowing into the blanking pipe can be filtered, so that the blanking pipe is prevented from being blocked; then, through inserting the rotatable plugging rod at the bottom of the lower sampling tube, and arranging a sample guide hole on the plugging rod, the sample in the lower sampling tube can be guided into the detection tube through the sample guide hole after rotating the plugging rod, so that the conduction and the plugging of the sample are realized; on the basis, a plurality of groups of parallel tests and control tests can be arranged through a plurality of detection tubes which are embedded in the detection tube placing frame side by side, so that the detection result is more accurate and reliable; then, the vibration positioning device can ensure that the sample is accurately added into the detection tube through the lower sampling tube for detection, and plays a role in vibrating and shaking up the detection liquid in the detection tube; finally, the arrangement of the electrothermal wire, the temperature sensor and the display screen can ensure that the detection chamber is in a certain temperature range.
Further, referring to fig. 1, the crushing motor 12 is fixedly arranged at the top of the crushing chamber, the crushing motor 12 is connected with the crushing blade 15 through the rotating shaft 13, and the crushed fruits are crushed by the crushing blade 15 under the driving of the crushing motor 12 in the crushing chamber, so that the crushing time is saved, the uniformity of the crushed fruits is ensured, the residual sulfur dioxide in the fruits is convenient to mix with the soaked distilled water uniformly as soon as possible, and the soaking solution is properly stirred by the crushing blade 15 after the soaking is finished, so that the uniformity of the soaking solution is ensured.
Further, referring to fig. 1, the filter screen 35 is fixed in the conical structure of the crushing outer cylinder 11 and is located between the bottom of the crushing inner cylinder 14 and the lower sampling tube 16, and is used for filtering the fruit scraps remained in the soaking solution, the filter screen 25 is a structure adapted to the conical structure, the cross section of the filter screen 25 is abutted against the conical structure, and the filter screen 25 is convenient to replace and clean while fixed.
Further, referring to fig. 1, the grinding device includes a telescopic motor 3 fixedly arranged at the top of the grinding box 2, and the telescopic motor 3 is connected with a grinding cutting board 5 positioned in the grinding box 2 through a telescopic rod 4; the object placing plate 6 is positioned below the grinding cutting board 5; the object placing plate 6 is also fixedly provided with limit baffles 8 positioned at two sides of the grinding cutting board 5; the bottom of the grinding box body 2 is communicated with the grinding inner cylinder 14 through a guide plate 9 obliquely arranged in the grinding chamber; the lower end of the guide plate 9 is smoothly connected with the crushing inner cylinder 14.
It should be noted that, referring to fig. 1, the horizontal inclination of guide plate 9 is 120-160 degrees, the fruit circulation mouth has been seted up at crushing urceolus 11 and crushing inner tube 14's top, the bottom of grinding pressure box 1 is equipped with the opening, the higher one end of guide plate is connected as an organic wholely structure with the bottom opening part of grinding pressure box 1, the lower end of guide plate 9 is connected with crushing inner tube 14 fruit circulation mouth's lower terminal surface, and the fruit after grinding is along guide plate 9 through fruit circulation mouth entering crushing inner tube 14 in smashing. Under the drive of telescopic motor 3, the vertical downward movement of grinding chopping block 5 in grinding box 2, the fruit on the opposition thing board 6 grinds, and grinding chopping block 5 upward movement resets after finishing grinding, will put thing board 6 upset certain angle through rotatory first rotary part 7 for the fruit after grinding is smashed along guide board 9 entering crushing inner tube 14.
Referring to fig. 1, a distilled water filling port 29 is provided at the top of the crushing chamber, the distilled water filling port 29 is connected to the crushing inner cylinder 14 through a pipe, and is used for filling distilled water into the crushing inner cylinder 14, soaking crushed fruits for 10min, and then, injecting the soaking solution into the detection tube 8 by rotating the second rotating part 36. When the amount of fruit to be measured was 5g, the amount of distilled water injected was 100ml.
Further, referring to fig. 1 and 2, the detection tube rack 19 is provided with a plurality of detection tube placing grooves 25 side by side, and the detection tube 21 is embedded in the detection tube rack 19 through the detection tube placing grooves 25.
Further, referring to fig. 1 and 2, the elastic member 28 is fixed between the steel ball 24 and the output shaft of the vibration motor 34; the steel ball 24 and the lower sampling tube 16 are both positioned at the center of the detection chamber.
It should be noted that, referring to fig. 1 and 2, the elastic member 28 in this embodiment is preferably a spring. In the embodiment, the handle 23 is pulled outwards to drive the detection tube placing frame 19 to slide at the bottom of the detection box body 1, and when the steel balls 24 slide at positions where the two sides of the detection tube placing frame 19 are not provided with the arc-shaped sliding grooves 26, the elastic piece 28 is in a constant compression state; when the steel balls 24 slide in one pair of arc-shaped sliding grooves 26 on two sides of the detection tube placing frame 19, the steel balls 24 are embedded in one pair of arc-shaped sliding grooves 26 under the action of the elastic piece 28 and are clamped with the pair of arc-shaped sliding grooves 26, the elastic piece 28 is reset to remind a user that one of the detection tubes 21 in the detection tube placing frame 19 is located under the dropper, at the moment, a sample flow guide hole is parallel to the blanking tube 5 by rotating the plugging rod 17, and the device is used for adding soaking liquid into the detection tube under the blanking tube 5 to detect sulfur dioxide in a sample; after the soaking liquid is injected into the detection tube, starting a vibration motor, under the action of the vibration motor, steel balls at two sides of the detection tube continuously horizontally strike the positions at two sides of the detection tube placing frame 19 corresponding to the detection tube, and as the detection tube is embedded in the detection tube placing frame 19, the soaking liquid in the detection tube vibrates when the steel balls strike, so that the soaking liquid in the detection tube is uniformly mixed; after shaking for 1min, the rotary end of the plugging rod is rotated again to stop sample feeding, and the handle 23 is pulled outwards continuously to enable the steel balls 24 to be separated from the arc-shaped sliding grooves 26 clamped with the steel balls until the steel balls are clamped with the next pair of arc-shaped sliding grooves 26, and then sound is generated, so that soaking liquid is continuously added, shaking is carried out, and sulfur dioxide detection is carried out. Taking out the detection tube 21 after 3min of reaction, observing the color development condition of the detection tube 21, and judging the content of sulfur dioxide in the sample according to the color development condition.
In order to facilitate the removal of the detection tube 21, a removal opening is provided in the side wall of the detection case 1.
Further, referring to fig. 1, the detecting tube rack 19 is slidably connected to the bottom of the detecting chamber through a sliding rail 20, where the sliding connection is in the prior art, and in this embodiment, details thereof are not described again; a buffer block 18 is adhered to one side of the detection chamber far from the handle 23, so as to protect the detection tube placing frame 19 and the detection tube 21.
Further, referring to fig. 1, one end of the plugging rod 17 extends out of the detection chamber, and a second rotating portion 36 is fixedly arranged on the plugging rod, so that the plugging rod 17 can rotate conveniently, and the second rotating portion 36 and the plugging rod are of an integral structure, which can be of a circular structure or a cuboid structure.
Further, referring to fig. 1, in order to reduce the influence of the temperature of the detection box 1 on the detection result as much as possible, an electric heating resistance wire 31 and a temperature sensor 32 are further disposed in the detection chamber; the electric heating resistance wire 31 is electrically connected with an external power supply, and the external power supply switch is started to heat the air in the detection chamber through the electric heating resistance wire, so that the detection chamber is kept in a certain temperature range; the outside of detecting the room inlays and is equipped with the display screen 33 that is connected with temperature sensor 32 electricity, detects the indoor temperature of detecting through temperature sensor, carries out real-time display through display screen 33, and the indoor temperature of being convenient for operator control detection is in suitable temperature range.
It should be noted that, in the embodiment, the temperature sensor is preferably a temperature sensor with a model PT100, the display screen is preferably a common liquid crystal display screen, the electrical connection between the temperature sensor 32 and the display screen and the electrical connection between the electrothermal resistive wire 31 and the external power supply are in the prior art, and they are not described in the embodiment.
Further, referring to fig. 1, a color-developing clamping plate 30 is adhered to the outer side wall of the detection box 1, and the color-developing clamping plate 30 is a labeled color-developing clamping plate, so that the detection result can be conveniently compared.
The pretreatment operation and detection of the sulfur dioxide detection of the canned fruits are combined, so that the sulfur dioxide in the canned fruits can be rapidly detected, and the functions are diversified.
The foregoing is a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention and are intended to be comprehended within the scope of the present invention.
Claims (8)
1. Fruit can sulfur dioxide detection device, its characterized in that: the device comprises a detection box body (1) divided into a crushing chamber and a detection chamber by a separation plate (10), wherein the separation plate (10) is horizontally arranged in the detection box body (1);
the device is characterized in that a crushing outer cylinder (11) is arranged in the crushing chamber, the crushing outer cylinder (11) comprises a cylinder wall embedded with a crushing inner cylinder (14) and a bottom cylinder with a conical structure, the bottom cylinder penetrates through a partition plate (10) and stretches into the detection chamber, a lower sampling pipe (16) is arranged at the bottom of the bottom cylinder, a rotatable blocking rod (17) is inserted into the lower sampling pipe (16), and a sample guide hole which can be communicated with the bottom cylinder is formed in the blocking rod (17); a crushing blade (15) connected with a crushing motor (12) is arranged in the crushing inner cylinder (14), a liquid-permeable hole is arranged at the bottom of the crushing inner cylinder (14), and a filter screen (35) is arranged below the liquid-permeable hole;
the top of the detection box body (1) is provided with a grinding box body (2), and a grinding device and a reversible storage plate (6) are arranged in the grinding box body (2); one end of the object placing plate (6) is embedded at the left side of the grinding box body (2), and the other end of the object placing plate extends out of the right side of the grinding box body (2) and is connected with the first rotating part (7); the bottom of the grinding box body (2) is connected with the grinding inner cylinder (14) through a guide plate (9) which is obliquely arranged;
a detection tube placing frame (19) which is connected with the bottom of the detection chamber in a sliding way is arranged in the detection chamber, and a plurality of detection tubes (21) are embedded in the detection tube placing frame (19) side by side; one end of the detection tube placing frame (19) is connected with a handle (23) outside the detection chamber through a connecting rod (22);
the detection chamber is internally provided with a vibration positioning device, the vibration positioning device comprises vibration motors (34) arranged on the inner walls of the two sides of the detection chamber, and the vibration motors (34) are connected with the steel balls (24) through elastic pieces (28); the two side walls of the detection tube placing frame (19) are provided with arc-shaped sliding grooves (26) matched with the steel balls (24) at positions corresponding to each detection tube (21), and the steel balls (24) are embedded in the arc-shaped sliding grooves (26);
the filter screen (35) is fixed in the conical structure of the crushing outer cylinder (11) and is positioned between the bottom of the crushing inner cylinder (14) and the lower sampling pipe (16);
the grinding device comprises a telescopic motor (3) fixedly arranged at the top of the grinding box body (2); the telescopic motor (3) is connected with a grinding cutting board (5) positioned in the grinding box body (2) through a telescopic rod (4);
the object placing plate (6) is positioned below the grinding cutting board (5); limiting baffles (8) positioned at two sides of the grinding cutting board (5) are also fixedly arranged on the object placing board (6); the lower end of the guide plate (9) is in smooth connection with the crushing inner cylinder (14).
2. The fruit can sulfur dioxide detection device according to claim 1, wherein: the crushing motor (12) is fixedly arranged at the top of the crushing chamber, and the crushing motor (12) is connected with crushing blades (15) through a rotating shaft (13).
3. The fruit can sulfur dioxide detection device according to claim 1, wherein: a plurality of detection tube placing grooves (25) are formed in the detection tube placing frame (19) side by side, and detection tubes are placed in the detection tube placing grooves (25).
4. The fruit can sulfur dioxide detection device according to claim 1, wherein: the elastic piece (28) is fixed between the steel ball (24) and the output shaft of the vibration motor (34); the steel ball (24) and the lower sampling tube (16) are both positioned at the center of the detection chamber.
5. A fruit can sulfur dioxide detection device according to claim 1 or 3, characterized in that: the detection tube placing frame (19) is connected with the bottom of the detection chamber in a sliding way through a sliding rail (20); a buffer block (18) is adhered to one side of the detection chamber far away from the handle (23).
6. The fruit can sulfur dioxide detection device according to claim 1, wherein: the blocking rod (17) extends out of the detection chamber, and a second rotating part (36) is fixedly arranged on the blocking rod.
7. The fruit can sulfur dioxide detection device according to claim 1, wherein: an electric heating resistance wire (31) and a temperature sensor (32) are arranged in the detection chamber; the electric heating resistance wire (31) is electrically connected with an external power supply; and a display screen (33) electrically connected with the temperature sensor (32) is embedded on the outer side of the detection chamber.
8. The fruit can sulfur dioxide detection device according to claim 1, wherein: the outer side wall of the detection box body (1) is adhered with a color-developing clamping plate (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811410728.6A CN109521009B (en) | 2018-11-24 | 2018-11-24 | Sulfur dioxide detection device for canned fruits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811410728.6A CN109521009B (en) | 2018-11-24 | 2018-11-24 | Sulfur dioxide detection device for canned fruits |
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| CN109946111B (en) * | 2019-04-24 | 2024-06-21 | 山东省农业科学院农业质量标准与检测技术研究所 | Sampling device for fruit detection |
| CN110108702A (en) * | 2019-05-10 | 2019-08-09 | 赵晓宇 | A kind of food inspection device for capableing of pretreatment sample |
| CN112986434B (en) * | 2021-02-23 | 2023-03-07 | 青岛黄海学院 | Supplementary quick screening device of biguanide class material for blood sugar reducing capsule |
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