CN210894308U

CN210894308U - Food safety self-service detection machine

Info

Publication number: CN210894308U
Application number: CN201921173272.6U
Authority: CN
Inventors: 李琳; 肖艺斌; 汤国华; 柯慧贤
Original assignee: XIAMEN STANDARDS SCIENTIFIC INSTRUMENT CO LTD
Current assignee: XIAMEN STANDARDS SCIENTIFIC INSTRUMENT CO LTD
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-06-30
Anticipated expiration: 2029-07-24

Abstract

The utility model provides a food safety self-service detection machine, which comprises an ultrasonic pool with an ultrasonic oscillation function, at least one first sample cup, a first sampling head, a first injection pump, at least one first cuvette reaction pool and two first peristaltic pumps; the first sample cup is arranged in the ultrasonic pool, the lower part of the first sampling head is inserted into the first sample cup, and the first sampling head is provided with a liquid sampling port; the first injection pump is provided with a plurality of first liquid suction ends and a plurality of first liquid injection ends, one first liquid suction end is communicated with the liquid collection port through a sampling tube, and the first cuvette reaction tank is communicated with one first liquid injection end through a hose; one end of each of the two first peristaltic pumps is communicated with the ultrasonic pool, and the other end of each of the two first peristaltic pumps is communicated with a waste water tank and a water storage tank. The utility model discloses can be used to in the farm trade market, harmful residue in the self-service food that detects of common people satisfies their quality safety inspection demands to common food such as fruit vegetables, aquatic products, meat.

Description

Food safety self-service detection machine

Technical Field

The utility model relates to a food safety short-term test technical field, in particular to food safety detects machine by oneself.

Background

With frequent occurrence of food safety problems and higher requirements of people on food consumption quality, food safety detection work is very important, and in order to avoid harm of harmful factors and food pollution to human bodies, detection equipment which is easy and convenient to operate is researched and developed, is suitable for being used by common people in public places such as farmer markets and the like, and becomes a technical problem to be solved urgently at present.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the above-mentioned technology to a certain extent. Therefore, an object of the utility model is to provide a food safety self-service detection machine.

In order to achieve the above object, an embodiment of a first aspect of the present invention provides a food safety self-service detection machine, which includes an ultrasonic tank with an ultrasonic oscillation function, at least one first sample cup, a first sampling head, a first injection pump, at least one first cuvette reaction tank, and two first peristaltic pumps; the first sample cup is arranged in the ultrasonic pool, the lower part of the first sampling head is inserted into the first sample cup, and the first sampling head is provided with a liquid sampling port; the first injection pump is provided with a plurality of first liquid suction ends and a plurality of first liquid injection ends, one first liquid suction end is communicated with the liquid collection port through a sampling tube, and the first cuvette reaction tank is communicated with one first liquid injection end through a hose; one end of each of the two first peristaltic pumps is communicated with the ultrasonic pool, and the other end of each of the two first peristaltic pumps is communicated with a waste water tank and a water storage tank.

According to the utility model discloses pretreatment reagent gets into first sample cup through first syringe pump and reacts with the sample that awaits measuring, and the supersound draws the back, and the sampling tube carries reaction liquid to first cell reaction tank, pours into the detect reagent into again and measures, the discharge waste liquid after finishing.

In addition, according to the utility model discloses a food safety self-service detection machine that above-mentioned embodiment provided can also have following additional technical characterstic:

comprises an ultrasonic pool with an ultrasonic oscillation function, at least one first sample cup, a first sampling head, a first injection pump, at least one first cuvette reaction pool and two first peristaltic pumps; the first sample cup is arranged in the ultrasonic pool, the lower part of the first sampling head is inserted into the first sample cup, and the first sampling head is provided with a liquid sampling port; the first injection pump is provided with a plurality of first liquid suction ends and a plurality of first liquid injection ends, one first liquid suction end is communicated with the liquid collection port through a sampling tube, and the first cuvette reaction tank is communicated with one first liquid injection end through a hose; one end of each of the two first peristaltic pumps is communicated with the ultrasonic pool, and the other end of each of the two first peristaltic pumps is communicated with a waste water tank and a water storage tank.

Also comprises a plurality of first reagent bags, a waste liquid bottle and a reagent bottle; the first reagent bag is provided with at least one outlet which is communicated with a first liquid suction end of the first injection pump; the waste liquid bottle is communicated with a first liquid injection end of the first injection pump, and the reagent bottle is connected with a first liquid suction end of the first injection pump through a hose; the first sampling head is provided with a liquid inlet, and the first liquid injection end is communicated with the liquid inlet through a hose.

The device also comprises a sample pool, a second sample cup, a second sampling head, a second injection pump and a second cuvette reaction pool; the second sample cup is arranged in the sample pool, the lower part of the second sampling head is inserted into the second sample cup, and the second sampling head is provided with a sampling port; the second injection pump is provided with a plurality of second liquid suction ends and a plurality of second liquid injection ends, one of the second liquid suction ends is communicated with the sampling port through a hose, and one of the second liquid injection ends is connected to the second cuvette reaction tank through a hose.

The second reagent bag is communicated with a second liquid suction end of the second injection pump; the water collecting bottle is connected with a second liquid suction end of the second injection pump through a hose; the second sampling head is provided with a sample inlet, a second liquid injection end of the second injection pump is communicated with the sample inlet through a hose, and a second liquid injection end of the waste liquid bottle and the second injection pump is communicated.

The device also comprises two second peristaltic pumps, a cleaning pool and two horizontal displacement adjusting mechanisms arranged at the left end and the right end; one ends of the two second peristaltic pumps are respectively communicated with the cleaning pool, and the other ends of the two second peristaltic pumps are respectively communicated with a waste water tank and a water storage tank; the cleaning pool is positioned between the ultrasonic pool and the sample pool; each horizontal displacement adjusting mechanism comprises a first stepping motor, two belt wheels, a synchronous belt and a sliding plate; the belt wheel is tightly sleeved on the output end of the first stepping motor, the other belt wheel is horizontally arranged at the other end of the first stepping motor, and the synchronous belt is tensioned between the two belt wheels; the slide is fixed in on the synchronous belt, and the upper and lower both ends of this slide are equipped with two first sliders respectively, every all wear to be equipped with a slide bar between first slider and another horizontal displacement guiding mechanism's the corresponding first slider, and these two first sliders all can follow the slide bar is moved the setting from side to side.

The automatic adjusting device comprises a sliding plate, a first stepping motor, a screw rod, a first sliding block and a polished rod, wherein the sliding plate is arranged on the sliding plate in a linkage mode; one end of the polish rod is fixed on the sliding block, and the other end of the polish rod is fixedly connected with the first sampling head or the second sampling head.

The device is characterized by further comprising a PLC (programmable logic controller), wherein the PLC is respectively in control connection with the first injection pump, the two first peristaltic pumps, the second injection pump, the two second peristaltic pumps, the first stepping motor and the second stepping motor.

The cabinet comprises a display screen, an operation area and a lower cabinet from top to bottom, and a baffle is detachably connected to the operation area; the fixed bolster is located inside the rack, horizontal displacement guiding mechanism, vertical displacement guiding mechanism, supersound pond, washing pond, sample cell, first syringe pump, second syringe pump, first colorimetric ware reaction tank, second colorimetric ware reaction tank, first peristaltic pump, second peristaltic pump, waste liquid bottle, reagent bottle and water-collecting bottle all locate on the fixed bolster, just supersound pond, washing pond and sample cell correspond to the operation area sets up, and is located the baffle is at the back.

The lower part of the fixed support is provided with a plurality of hanging rod groups, each hanging rod group comprises a first hanging rod and a second hanging rod, and the first hanging rod comprises a horizontal rod and a cross rod connected to the tail end of the horizontal rod; the second hanging rod is a straight rod, and the tail part of the straight rod is bent upwards to form a hook-shaped part; the first reagent bag is hung on the horizontal rod and/or the straight rod; the second reagent bag is hung on the horizontal rod and/or the straight rod.

The beneficial effects of the utility model reside in that: can be used to detect harmful residues in food, can satisfy the self-service detection demand of common people to common food such as farmer's market fruit vegetables, aquatic products, meat, realizes that common people can be fast, convenient, accurate detection food safety problem, the reassurance of eating.

Drawings

Fig. 1 is the utility model discloses a food safety self-service detection machine's overall diagram.

Fig. 2 is a schematic structural diagram of the food safety self-service detection machine (removing the cabinet).

Fig. 3 is a schematic structural diagram of the middle horizontal displacement adjusting mechanism of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1-2 again, a food safety self-service detection machine 100 includes a cabinet 1, a fixing bracket 2, an ultrasonic tank 3 with ultrasonic oscillation function, at least one first sample cup 4, a first sampling head 5, a first syringe pump 6, at least one first cuvette reaction tank 7 and two first peristaltic pumps 8, a plurality of first reagent bags 9, a waste liquid bottle 10, a reagent bottle 11, a sample tank 12, a second sample cup (not shown), a second sampling head 13, a second syringe pump 14, a second cuvette reaction tank 15, at least one second reagent bag 16, a water collection bottle 17, two second peristaltic pumps 18, a cleaning tank 19, two horizontal displacement adjusting mechanisms 20 disposed at left and right ends, two vertical displacement adjusting mechanisms 30, and a PLC controller (not shown);

harmful residues in food comprise fruit and vegetable pesticide residues, sulfur dioxide in a dry product, nitrite in a meat product, hydrogen peroxide and formaldehyde in an aquatic product, sodium formaldehyde and sodium formaldehyde in a rice and flour product, polar components in edible oil, health value and the like, and a pesticide residue buffer solution (namely a pesticide residue buffer solution) or other buffer solutions capable of dissolving the harmful residues in the food are filled in the reagent bottle 11; purified water is filled in the water collecting bottle 17; the waste liquid bottle 10 is used for containing reaction liquid which is discarded after the reaction in the first sample cup 4 and the second sample cup is finished, and waste liquid which is measured in the first cuvette reaction tank 7 and the second cuvette reaction tank 15. The first and second reagent bags 9 and 16 contain a detection reagent that reacts with a harmful residue.

Referring to fig. 2 again, the first sample cup 4 is placed in the ultrasonic cell 3, the lower portion of the first sampling head 5 is inserted into the first sample cup 4, and the first sampling head 5 has a liquid sampling port 51; the first syringe pump 6 is provided with a plurality of first liquid suction ends 61 and a plurality of first liquid injection ends 62, one first liquid suction end 61 is communicated with the liquid sampling port 51 through a hose a, and the first cuvette reaction tank 7 is communicated with one first liquid injection end 62 through a hose a; one end of each of the two first peristaltic pumps 8 is respectively communicated with the ultrasonic pool 3, and the other end of each of the two first peristaltic pumps 8 is respectively communicated with a waste water tank (not shown) and a water storage tank (not shown). One of the two first peristaltic pumps 8 is used for pumping the clean water in the water storage tank into the ultrasonic pool 3, and the other one is used for discharging the dirty water in the ultrasonic pool 3 into the waste water tank.

Referring to fig. 2 again, the first reagent bag 9 has at least one outlet 91, and the outlet 91 is communicated with a first liquid-absorbing end 61 of the first syringe pump 6; the waste liquid bottle 10 is communicated with a first liquid injection end 62 of the first syringe pump 6, and the reagent bottle 11 is connected with a first liquid suction end 61 of the first syringe pump 6 through a hose a; the first sampling head 5 has an inlet 52, and a first filling end 62 is connected to the inlet 52 through a hose a. Pesticide residue buffer solution is filled in the reagent bottle 11, and after the pesticide residue buffer solution is injected into the first sampling head 5, harmful substances are extracted into the pesticide residue buffer solution through pretreatment ultrasonic oscillation and are to be detected.

Referring to fig. 2 again, the second sample cup is placed in the sample cell 12, the lower portion of the second sampling head 13 is inserted into the second sample cup, and the second sampling head 13 has a sampling port 131; the second syringe pump 14 has a plurality of second liquid-absorbing ends 141 and a plurality of second liquid-injecting ends 142, one of the second liquid-absorbing ends 141 is communicated with the sampling port 131 through a hose a, and one of the second liquid-injecting ends 142 is connected to the second cuvette reaction chamber 15 through a hose a. The second reagent bag 16 is communicated with a second liquid-absorbing end 141 of the second syringe pump 14; the water collecting bottle 17 is connected with a second liquid suction end 141 of the second injection pump 14 through a hose a; the second sampling head 13 has a sample inlet 132, a second liquid injection end 142 of the second syringe pump 14 is communicated with the sample inlet 132 through a hose a, and the waste liquid bottle 10 is communicated with a second liquid injection end 142 of the second syringe pump 14. Two second sample cups can be placed in the sample cell 12, and the second sample cups are mainly used for detecting oil substances, so that ultrasonic oscillation is not needed. One ends of the two second peristaltic pumps 18 are respectively communicated with the cleaning pool 19, and the other ends of the two second peristaltic pumps 18 are respectively communicated with a wastewater tank and a water storage tank; the cleaning pool 19 is positioned between the ultrasonic pool 3 and the sample pool 12; one of the two second peristaltic pumps 18 is used for pumping the clean water in the water storage tank into the cleaning tank 19, the other is used for discharging the dirty water in the cleaning tank 19 into the waste water tank, and the cleaning tank 19 is divided into two tanks by a partition plate, namely a first cleaning tank 191 and a second cleaning tank 192, wherein the first cleaning tank 191 is used for cleaning the first sampling head 5, and the second cleaning tank 192 is used for cleaning the second sampling head 13.

Referring to fig. 2-3, each horizontal displacement adjusting mechanism 20 includes a first stepping motor 21, two pulleys 22, a synchronous belt 23 and a sliding plate 24; the belt wheel 22 is tightly sleeved on the output end of the first stepping motor 21, the other belt wheel 22 is horizontally arranged at the other end of the first stepping motor 21, and the synchronous belt 23 is tensioned between the two belt wheels 22; the sliding plate 24 is fixed on the synchronous belt 23, two first sliding blocks 25 are respectively arranged at the upper end and the lower end of the sliding plate 24, a sliding rod 26 penetrates through the space between each first sliding block 25 and the corresponding first sliding block 25 of the other horizontal displacement adjusting mechanism 20, and the two first sliding blocks 25 can be arranged along the sliding rod 26 in a left-right moving mode. The first stepping motor 21 rotates the timing belt 23, thereby moving the slide plate 24 to the left or right, and simultaneously moving the second stepping motor 31 and the second slider 33 to the left or right as described below.

Referring to fig. 2-3 again, each of the vertical displacement adjusting mechanisms 30 includes a second stepping motor 31, a lead screw 32, a second slider 33 and a polish rod 34, an output end of the second stepping motor 31 is fixedly connected with the lead screw 32, the second slider 33 is sleeved on the lead screw 32 and can move up and down relative to the lead screw 32, and the second slider 33 and the second stepping motor 31 are both linked with the sliding plate 24; one end of the polish rod 34 is fixed on the second slide block 33, and the other end is fixedly connected with the first sampling head 5 or the second sampling head 13. The second stepping motor 31 drives the screw rod 32 to rotate, so that the second slide block 33 and the second sampling head 13 move up and down along the screw rod 32. The cabinet 1 comprises a display screen 11, an operation area 12 and a lower cabinet 13 from top to bottom, wherein a baffle plate 121 is detachably connected to the operation area 12; fixed bolster 2 is located inside 1 rack, horizontal displacement guiding mechanism 20, vertical displacement guiding mechanism 30, supersound pond 3, wash pond 19, sample cell 12, first syringe pump 6, second syringe pump 14, first cuvette reaction tank 7, second cuvette reaction tank 15, first peristaltic pump 8, second peristaltic pump 18, waste liquid bottle 10, reagent bottle 11 and water-collecting bottle 17 all locate fixed bolster 2, just supersound pond 3, wash pond 19 and sample cell 12 correspond to operation area 12 sets up, and is located baffle 121 is at the back. A plurality of hanging rod groups 27 are arranged at the lower part of the fixed bracket 2, each hanging rod group 27 comprises a first hanging rod 271 and a second hanging rod 272, and the first hanging rod 271 comprises a horizontal rod 2711 and a cross rod 2712 connected with the tail end of the horizontal rod 2711; the second hanging rod 272 is a straight rod 2721, and the tail of the straight rod 2721 is bent upwards to form a hook-shaped part 2722; the first reagent bag 9 is hung on the horizontal rod 2711 and/or the straight rod 2721; similarly, the second reagent bag 16 is hung on the horizontal rod 2711 and/or the straight rod 2721. The PLC is respectively connected with the first injection pump 6, the two first peristaltic pumps 8, the two second peristaltic pumps 18, the first stepping motor 21 and the second stepping motor 31 in a control mode.

Referring to fig. 1-3 again, the utility model discloses mainly used food safety short-term test trade, put and supply the citizen to detect in the farmer's market, if the citizen prepares a certain amount of sample chinese cabbage, take off baffle 121 and put into the sample cup, through operation display screen 11, the machine is carried out, first syringe pump 6 absorbs the pesticide residue buffer solution from reagent bottle 11, pours into first sample head 5 into, then ultrasonic pool 3 vibrates for a moment and stops, the reaction is accomplished, first syringe pump 6 absorbs the reaction liquid from first sample cup 4 and pours into first colorimetric ware reaction tank 7 again, first syringe pump 6 absorbs the testing reagent from first reagent bag 9 again, after the reaction of standing for 10 minutes, and show the result on display screen 11; when a plurality of samples are to be detected simultaneously, only the samples are placed in different sample cups, the horizontal displacement adjusting mechanism 20 drives the second sliding block 33 to move rightwards so as to drive the first sampling head 5 to move towards the cleaning pool 19, when the samples reach the upper part of the cleaning pool 19, the vertical displacement adjusting mechanism 30 drives the screw rod 32 to rotate, so that the second sliding block 33 moves downwards along the screw rod 32 until the first sampling head 5 is immersed in the cleaning pool 19, the cleaning pool 19 performs ultrasonic cleaning on the first sampling head 5, then the second sliding block 33 moves upwards along the screw rod 32 in the same way so as to drive the first sampling head 5 to move upwards, and then the samples are returned to another first sample cup 4 by the original path of the horizontal displacement adjusting mechanism 20 to perform detection on another sample; when a plurality of samples are detected, according to the principle of sequential detection, the samples 1 and 2 respectively react in a left 1 and a left 2 first cuvette reaction tank 7, after the reaction is finished, a first injection pump 6 sucks away reaction liquid in the first cuvette reaction tank 7, the reaction liquid is injected into a waste liquid bottle 10, then purified water 17 is injected into the first cuvette reaction tank 7 for cleaning, and after the cleaning, the detection of the samples 3 and the samples 4 is started.

The utility model discloses pesticide residue in the mainly used detection fruit vegetables sample, sulfur dioxide in the dry goods, meat products nitrite, hydrogen peroxide and formaldehyde in the aquatic products, indexes such as polarity component and health value in flour products rongalite and borax and the edible oil. The utility model discloses can put and supply citizen to detect in the farm trade market, can satisfy the quality safety inspection demand of common food such as the people to farm trade market fruit vegetables, aquatic products, meat, realize that the people can be quick, convenient, accurate detection food safety problem, the reassurance of eating.

In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The utility model provides a food safety self-service detection machine which characterized in that: comprises an ultrasonic pool with an ultrasonic oscillation function, at least one first sample cup, a first sampling head, a first injection pump, at least one first cuvette reaction pool and two first peristaltic pumps; the first sample cup is arranged in the ultrasonic pool, the lower part of the first sampling head is inserted into the first sample cup, and the first sampling head is provided with a liquid sampling port; the first injection pump is provided with a plurality of first liquid suction ends and a plurality of first liquid injection ends, one first liquid suction end is communicated with the liquid collection port through a sampling tube, and the first cuvette reaction tank is communicated with one first liquid injection end through a hose; one end of each of the two first peristaltic pumps is communicated with the ultrasonic pool, and the other end of each of the two first peristaltic pumps is communicated with a waste water tank and a water storage tank.

2. A food safety self-service detection machine as claimed in claim 1, wherein: also comprises a plurality of first reagent bags, a waste liquid bottle and a reagent bottle; the first reagent bag is provided with at least one outlet which is communicated with a first liquid suction end of the first injection pump; the waste liquid bottle is communicated with a first liquid injection end of the first injection pump, and the reagent bottle is connected with a first liquid suction end of the first injection pump through a hose; the first sampling head is provided with a liquid inlet, and the first liquid injection end is communicated with the liquid inlet through a hose.

3. A food safety self-service detection machine as claimed in claim 2, wherein: the device also comprises a sample pool, a second sample cup, a second sampling head, a second injection pump and a second cuvette reaction pool; the second sample cup is arranged in the sample pool, the lower part of the second sampling head is inserted into the second sample cup, and the second sampling head is provided with a sampling port; the second injection pump is provided with a plurality of second liquid suction ends and a plurality of second liquid injection ends, one of the second liquid suction ends is communicated with the sampling port through a hose, and one of the second liquid injection ends is connected to the second cuvette reaction tank through a hose.

4. A food safety self-service detection machine as claimed in claim 3, wherein: the second reagent bag is communicated with a second liquid suction end of the second injection pump; the water collecting bottle is connected with a second liquid suction end of the second injection pump through a hose; the second sampling head is provided with a sample inlet, a second liquid injection end of the second injection pump is communicated with the sample inlet through a hose, and a second liquid injection end of the waste liquid bottle and the second injection pump is communicated.

5. A food safety self-service detection machine as claimed in claim 4, wherein: the device also comprises two second peristaltic pumps, a cleaning pool and two horizontal displacement adjusting mechanisms arranged at the left end and the right end; one ends of the two second peristaltic pumps are respectively communicated with the cleaning pool, and the other ends of the two second peristaltic pumps are respectively communicated with a waste water tank and a water storage tank; the cleaning pool is positioned between the ultrasonic pool and the sample pool; each horizontal displacement adjusting mechanism comprises a first stepping motor, two belt wheels, a synchronous belt and a sliding plate; the belt wheel is tightly sleeved on the output end of the first stepping motor, the other belt wheel is horizontally arranged at the other end of the first stepping motor, and the synchronous belt is tensioned between the two belt wheels; the slide is fixed in on the synchronous belt, and the upper and lower both ends of this slide are equipped with two first sliders respectively, every all wear to be equipped with a slide bar between first slider and another horizontal displacement guiding mechanism's the corresponding first slider, and these two first sliders all can follow the slide bar is moved the setting from side to side.

6. A food safety self-service detection machine as claimed in claim 5, wherein: the automatic adjusting device comprises a sliding plate, a first stepping motor, a screw rod, a first sliding block and a polished rod, wherein the sliding plate is arranged on the sliding plate in a linkage mode; one end of the polish rod is fixed on the sliding block, and the other end of the polish rod is fixedly connected with the first sampling head or the second sampling head.

7. The food safety self-service detection machine of claim 6, wherein: the device is characterized by further comprising a PLC (programmable logic controller), wherein the PLC is respectively in control connection with the first injection pump, the two first peristaltic pumps, the second injection pump, the two second peristaltic pumps, the first stepping motor and the second stepping motor.

8. The food safety self-service detection machine of claim 6, wherein: the cabinet comprises a display screen, an operation area and a lower cabinet from top to bottom, and a baffle is detachably connected to the operation area; the fixed bolster is located inside the rack, horizontal displacement guiding mechanism, vertical displacement guiding mechanism, supersound pond, washing pond, sample cell, first syringe pump, second syringe pump, first colorimetric ware reaction tank, second colorimetric ware reaction tank, first peristaltic pump, second peristaltic pump, waste liquid bottle, reagent bottle and water-collecting bottle all locate on the fixed bolster, just supersound pond, washing pond and sample cell correspond to the operation area sets up, and is located the baffle is at the back.

9. A food safety self-service detection machine as claimed in claim 8, wherein: the lower part of the fixed support is provided with a plurality of hanging rod groups, each hanging rod group comprises a first hanging rod and a second hanging rod, and the first hanging rod comprises a horizontal rod and a cross rod connected to the tail end of the horizontal rod; the second hanging rod is a straight rod, and the tail part of the straight rod is bent upwards to form a hook-shaped part; the first reagent bag is hung on the horizontal rod and/or the straight rod; the second reagent bag is hung on the horizontal rod and/or the straight rod.