Pesticide residue detection device

Abstract

The utility model relates to the technical field of food detection, in particular to a pesticide residue detection device which comprises a detection frame, a detection bottle, a crushing unit, a sample conveying unit and a reagent conveying unit, and the detection bottle, the crushing unit, the sample conveying unit and the reagent conveying unit are all arranged on the detection frame. A to-be-detected sample is put into the crushing unit and crushed by the crushing unit, after crushing, the sample conveying unit conveys the crushed sample into the detection bottle, after the sample is conveyed into the detection bottle, the reagent conveying unit introduces a detection reagent for detecting pesticides into the detection bottle, and the detection reagent and the sample are mixed in the detection bottle; the pesticide residue detection device is further provided with the driving unit, and the driving unit can accelerate the mixing of the detection reagent and the sample by shaking the detection bottle, so that the manpower required for mixing the detection reagent and the sample is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to food detection technical field especially relates to a pesticide residue detection device. BACKGROUND

[0002] The development of agricultural industrialization makes the production of agricultural products more and more depend on exogenous substances such as pesticides, antibiotics and hormones. The unreasonable use of these substances will lead to excessive pesticide residues in agricultural products, affect the safety of consumers, and even cause poisoning and death in serious cases. The limit standards of pesticide residues in various agricultural and sideline products are becoming more and more strict. Therefore, the pesticide residues in agricultural products need to be strictly detected by detection device regularly.

[0003] The existing pesticide residue detection device mainly includes a sample crushing module, a conveying module, a reagent adding module and a detection container. The sample crushing module crushes the sample to be detected, and then the sample is conveyed to the detection container through the conveying module. The reagent adding module adds a certain amount of detection reagent into the detection container according to the amount of the sample. After the reagent and the crushed sample are mixed in the detection container, the detection of the pesticide in the sample can be realized through the color development of the reagent.

[0004] Although the above detection device can realize the detection of pesticide residues in the sample, it does not improve the detection efficiency and accuracy. Usually, the detection container needs to be shaken manually to make the sample and reagent in the detection container mix quickly and fully. Because the detection amount is large, a large amount of manpower is consumed for the detection of pesticide residues in the sample. UTILITY MODEL CONTENT

[0005] Therefore, it is necessary to provide a pesticide residue detection device to solve the technical problem that the detection of pesticide residues in the sample needs to mix the sample and reagent manually, which consumes a lot of manpower in the detection process.

[0006] To achieve the above technical purpose, the technical scheme of the utility model provides a pesticide residue detection device, which comprises a detection frame and a:

[0007] detection bottle;

[0008] a crushing unit for crushing the sample to be detected;

[0009] a sample conveying unit connected to one end of the crushing unit and extending to the bottle opening of the detection bottle for conveying the crushed sample from the crushing unit to the detection bottle;

[0010] a reagent conveying unit extending to the bottle opening of the detection bottle for conveying the detection reagent to the detection bottle;

[0011] A driving unit is connected with the detection bottle and used for shaking the detection bottle.

[0012] Optionally, the driving unit comprises a hybrid driving motor, a transmission module and a support plate, the hybrid driving motor is arranged on the detection frame, the detection bottle is fixed on the support plate, and the transmission module is connected with the machine shaft of the hybrid driving motor and the support plate, and is used for driving the support plate to shake through the driving of the hybrid driving motor.

[0013] Optionally, the transmission module comprises a hybrid driving gear and a transmission belt, the hybrid driving gear is arranged on the machine shaft of the hybrid driving motor, the detection frame is provided with a rotating table, the transmission belt is sleeved on the rotating table and is engaged with the hybrid driving gear, and the support plate is fixed on the transmission belt through a support, so that the support plate reciprocates with the transmission belt rotating around the rotating table.

[0014] Optionally, the pesticide residue detection device further comprises a plurality of limiting blocks, each of the limiting blocks is located on the circumferential side of the support plate and abuts against the detection bottle, so as to clamp the detection bottle on the circumferential side of the detection bottle.

[0015] Optionally, the support plate is provided with a sliding seat, and the limiting block is provided with a sliding rod which is slidingly connected to the sliding seat.

[0016] Optionally, the limiting block is further provided with a compression spring, the compression spring is sleeved on the sliding rod, and two ends of the compression spring respectively abut against the limiting block and the sliding seat.

[0017] Optionally, the crushing unit comprises a crushing frame, two crushing teeth and a crushing driving assembly, the crushing frame is fixed on the detection frame, the two crushing teeth are rotationally connected to the crushing frame and are engaged with each other, and the crushing driving assembly is connected with the two crushing teeth and is used for driving the two crushing teeth to rotate.

[0018] Optionally, the crushing driving assembly comprises a crushing driving motor, a transmission shaft, a connecting belt and two crushing driving gears, the two crushing driving gears are respectively connected with the two crushing teeth and are engaged with each other, the crushing driving motor is fixed on the detection frame, the transmission shaft is fixed on the machine shaft of the crushing driving motor, and the connecting belt is sleeved on the transmission belt and one of the crushing driving gears.

[0019] Optionally, the sample conveying unit comprises a conveying pipeline and a spiral rod, the conveying pipeline is fixed on the detection frame and is connected with the crushing frame, an end of the conveying pipeline extends to the bottle opening of the detection bottle, the conveying pipeline is used for receiving the crushed sample of the crushing teeth, and the spiral rod is connected with the transmission shaft and is located in the inside of the conveying pipeline, and is used for conveying the crushed sample to the detection bottle through rotation.

[0020] Optionally, the reagent delivery unit comprises a reagent tank, a reagent pipe and a valve piece, the reagent tank is arranged on the detection frame and used for containing a detection reagent, the reagent pipe is connected to the reagent tank and extends to the bottle mouth of the detection bottle, and the valve piece is arranged on the reagent pipe.

[0021] Compared with the prior art, the pesticide residue detection device has the beneficial effects that: the pesticide residue detection device is provided with a detection frame, a detection bottle, a crushing unit, a sample delivery unit and a reagent delivery unit, the detection bottle, the crushing unit, the sample delivery unit and the reagent delivery unit are all arranged on the detection frame, when pesticide residue detection of a sample is performed, the sample to be detected is put into the crushing unit and crushed by the crushing unit, after crushing, the sample is delivered to the inside of the detection bottle by the sample delivery unit, after the sample is delivered to the inside of the detection bottle, the reagent delivery unit delivers a detection reagent for detecting pesticides into the inside of the detection bottle, the detection reagent and the sample are mixed in the detection bottle, and the pesticides contained in the sample can be detected, since the pesticide residue detection device is also provided with a driving unit, the driving unit can accelerate the mixing of the detection reagent and the sample by shaking the detection bottle, the detection efficiency and accuracy of the pesticides in the sample are improved, the manpower required for mixing the detection reagent and the sample is saved, and thus the manpower consumed for pesticide residue detection is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a structural schematic view of the pesticide residue detection device provided by the embodiment of the present application;

[0023] Figure 2 is Figure 1 is a local enlarged view of position A in FIG.

[0024] Figure 3 is a structural schematic view of the crushing unit of the pesticide residue detection device provided by the embodiment of the present application.

[0025] In the drawings, various reference signs represent:

[0026] 10 - detection frame; 20 - detection bottle; 30 - crushing unit

[0027] 31 - crushing frame; 32 - crushing tooth; 33 - crushing driving assembly

[0028] 40 - sample delivery unit; 41 - delivery pipeline; 42 - screw rod

[0029] 50 - reagent delivery unit; 51 - reagent tank; 52 - reagent pipe

[0030] 53 - valve piece; 60 - driving unit; 61 - mixing driving motor

[0031] 62 - transmission module; 63 - support plate; 70 - limit block

[0032] 71 - sliding rod; 72 - compression spring; 331 - crushing drive motor

[0033] 332 - transmission shaft; 333 - connecting belt; 334 - crushing drive gear

[0034] 621 - mixed drive gear; 622 - transmission belt; 631 - sliding seat DETAILED DESCRIPTION

[0035] The preferred embodiments of the present application are described below in detail with reference to the accompanying drawings, wherein the drawings form a part of the present application and are used to explain the principles of the present application together with the embodiments of the present application, but are not used to limit the scope of the present application.

[0036] The present application provides a pesticide residue detection device, as shown in Figure 1 The present application provides a pesticide residue detection device, as shown in

[0037] Specifically, the pesticide residue detection device is provided with a detection frame 10, a detection bottle 20, a crushing unit 30, a sample conveying unit 40 and a reagent conveying unit 50, the detection bottle 20, the crushing unit 30, the sample conveying unit 40 and the reagent conveying unit 50 are all installed on the detection frame 10, when the pesticide residue in the sample is detected, the sample to be detected is put into the crushing unit 30 and crushed by the crushing unit 30, then the sample conveying unit 40 conveys the crushed sample into the detection bottle 20, after the sample is conveyed into the detection bottle 20, the reagent conveying unit 50 conveys the detection reagent for detecting pesticide into the detection bottle 20, the detection reagent and the sample are mixed in the detection bottle 20, and then the pesticide contained in the sample can be detected, since the pesticide residue detection device is also provided with a driving unit 60, the driving unit 60 can accelerate the mixing of the detection reagent and the sample by shaking the detection bottle 20, the detection efficiency and accuracy of the pesticide in the sample are improved, the manpower required for mixing the detection reagent and the sample is saved, and thus the manpower consumed in the pesticide residue detection is reduced.

[0038] In the embodiment, the pesticide residue detection device is mainly used for detecting pesticide residues in samples of agricultural and sideline products such as vegetables and fruits. The detection reagent performs a color reaction with the pesticide contained in the sample, so as to obtain the amount of pesticide residues in the sample.

[0039] Optionally, as shown in Figure 1 and 3 , the crushing unit 30 comprises a crushing frame 31, two crushing teeth 32 and a crushing driving assembly 33. The crushing frame 31 is fixed to the detection frame 10. The two crushing teeth 32 are rotationally connected to the crushing frame 31 and are engaged with each other. The crushing driving assembly 33 is connected to the two crushing teeth 32 and is used for driving the two crushing teeth 32 to rotate. Specifically, when the crushing work of the sample is performed, the sample to be detected is put into the crushing frame 31. The crushing driving assembly 33 drives the two crushing teeth 32 to rotate. The sample is crushed through extrusion and grinding of the two crushing teeth 32. After the sample is crushed, the sample is output from the bottom of the crushing frame 31.

[0040] Optionally, as shown in Figure 1 and 3 , the crushing driving assembly 33 comprises a crushing driving motor 331, a transmission shaft 332, a connecting belt 333 and two crushing driving gears 334. The two crushing driving gears 334 are connected to the two crushing teeth 32 and are engaged with each other. The crushing driving motor 331 is fixed to the detection frame 10. The transmission shaft 332 is fixed to the shaft of the crushing driving motor 331. The connecting belt 333 is sleeved on the transmission belt 622 and one of the crushing driving gears 334. Specifically, when the driving work of the two crushing teeth 32 is performed, the crushing driving motor 331 drives the transmission shaft 332 to rotate. The connecting belt 333 drives the sleeved crushing driving gear 334 to rotate synchronously through being sleeved on the transmission shaft 332 and one of the crushing driving gears 334. Then, the other crushing driving gear 334 engaged with the sleeved crushing driving gear 334 is reversely rotated, so as to drive the two crushing teeth 32 to rotate in opposite directions, thereby realizing crushing of the sample to be detected.

[0041] Optionally, as shown in Figure 1 and 3As shown, the sample conveying unit 40 comprises a conveying pipe 41 and a screw rod 42, the conveying pipe 41 is fixed to the detection rack 10 and connected to the crushing frame 31, the end of the conveying pipe 41 extends to the bottle mouth of the detection bottle 20, the conveying pipe 41 is used to receive the sample crushed by the crushing teeth 32, and the screw rod 42 is connected to the transmission shaft 332 and located inside the conveying pipe 41, and is used to convey the crushed sample to the detection bottle 20 by rotating. Specifically, the sample conveying unit 40 is provided with the conveying pipe 41 and the screw rod 42, the sample crushed by the two crushing teeth 32 will pass from the bottom of the crushing frame 31 into the conveying pipe 41, the crushing driving motor 331 drives the transmission shaft 332 to rotate, which in turn drives the screw rod 42 to rotate synchronously, and in the process of rotating the screw rod 42, the crushed sample will finally enter the detection bottle 20 along the conveying pipe 41, thereby realizing the conveying of the crushed sample to the detection bottle 20.

[0042] Optionally, as shown in Figure 1 The reagent conveying unit 50 comprises a reagent tank 51, a reagent pipe 52 and a valve piece 53, the reagent tank 51 is arranged on the detection rack 10 and used to contain the detection reagent, the reagent pipe 52 is connected to the reagent tank 51 and extends to the bottle mouth of the detection bottle 20, and the valve piece 53 is arranged on the reagent pipe 52. Specifically, after the conveying of the crushed sample to the conveying bottle is completed, the valve piece 53 is opened, the detection reagent in the reagent tank 51 is introduced into the detection bottle 20 through the reagent pipe 52, thereby realizing the conveying of the detection reagent to the reagent bottle, and the amount of the conveyed reagent can be controlled according to the amount of the sample.

[0043] It can be understood that the driving unit 60 can be a vibrator, which drives the detection bottle 20 to vibrate back and forth, thereby accelerating the mixing of the detection reagent and the sample.

[0044] Optionally, as shown in Figure 1 and 2 The driving unit 60 comprises a mixing driving motor 61, a transmission module 62 and a support plate 63, the mixing driving motor 61 is arranged on the detection rack 10, the detection bottle 20 is fixed to the support plate 63, the transmission module 62 is connected to the support plate 63 and the shaft of the mixing driving motor 61, and is used to drive the support plate 63 to shake through the driving of the mixing driving motor 61. Specifically, after the crushed sample and the detection reagent are introduced into the reagent bottle, the mixing driving motor 61 is started, the support plate 63 is shaken through the transmission of the transmission module 62, and in the process of shaking the support plate 63, the reagent bottle fixed to the support plate 63 is shaken, thereby realizing the driving of the reagent bottle and accelerating the mixing of the detection reagent and the sample.

[0045] Optionally, as shown in Figure 1 and 2As shown in

[0046] Optionally, as shown in Figure 1 and 2 The pesticide residue detection device further comprises a plurality of limiting blocks 70, each limiting block 70 is located on the circumferential side of the support plate 63 and abuts against the detection bottle 20 to clamp the detection bottle 20 on the circumferential side of the detection bottle 20. Specifically, the reagent bottle is clamped and fixed by the cooperation of each limiting block 70, so that the detection bottle 20 is clamped and fixed.

[0047] Optionally, as shown in Figure 1 and 2 The support plate 63 is provided with a sliding seat 631, and the limiting block 70 is provided with a sliding rod 71 which is slidingly connected to the sliding seat 631. Specifically, the limiting block 70 is slidingly connected to the sliding seat 631, so that the spacing between each limiting block 70 can be adjusted according to the size of the detection bottle 20 to fix detection bottles 20 of various gears.

[0048] Optionally, as shown in Figure 1 and 2 The limiting block 70 is further provided with a compression spring 72, the compression spring 72 is sleeved on the sliding rod 71, and the two ends of the compression spring 72 abut against the limiting block 70 and the sliding seat 631 respectively. Specifically, the limiting block 70 is driven by the compression spring 72 to press the limiting block 70 into detection bottles 20 of various sizes, thereby fixing reagent bottles of various sizes on the support plate 63.

[0049] The specific working principle of the pesticide residue detection device is as follows: when the pesticide residue detection work of agricultural and sideline products is performed, the reagent bottle is fixed on the support plate 63 through the limiting block 70, then the sample to be detected is put into the crushing frame 31, the crushing drive motor 331 drives the transmission shaft 332 to rotate, the connecting belt 333 is sleeved with the transmission shaft 332 and one of the crushing drive gears 334, the sleeved crushing drive gear 334 is driven to rotate synchronously, and then the other crushing drive gear 334 meshed with the sleeved crushing drive gear 334 is driven to rotate reversely, so that the two crushing teeth 32 are driven to rotate in opposite directions, the sample to be detected is crushed, and the crushed sample is discharged from the bottom of the crushing frame 31 into the conveying pipeline 41, the crushing drive motor 331 drives the transmission shaft 332 to rotate, and the spiral rod 42 is driven to rotate synchronously, in the rotating process of the spiral rod 42, the crushed sample is finally introduced into the detection bottle 20 along the conveying pipeline 41, and the conveying of the crushed sample to the detection bottle 20 is realized.

[0050] After the conveying of the crushed sample to the conveying bottle is completed, the valve piece 53 is opened, and the detection reagent in the reagent tank 51 is introduced into the detection bottle 20 through the reagent pipe 52.

[0051] After the crushed sample and the detection reagent are introduced into the reagent bottle, the mixing drive motor 61 is started, the mixing drive gear 621 is driven to rotate, the transmission belt 622 is sleeved with the rotating table and meshed with the mixing drive gear 621, and then the rotating table can be rotated around the rotating table under the driving of the mixing drive gear 621, the support plate 63 is driven to rotate the rotating table, the detection bottle 20 is shaken, the mixing of the detection reagent and the sample is accelerated, the rapid automatic mixing of the sample to be detected and the detection reagent is realized, and after mixing, the detection of the pesticide residue in the sample to be detected can be realized by observing the color of the detection reagent.

[0052] The above only describes a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the technical field can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A pesticide residue detection device characterized by comprising: The pesticide residue detection device comprises a detection frame, and a detection bottle, a crushing unit, a sample conveying unit, a reagent conveying unit and a driving unit arranged on the detection frame. The crushing unit is arranged on the detection frame and used for crushing a sample to be detected. The sample conveying unit is connected to one end of the crushing unit and extends to the bottle mouth of the detection bottle, and is used for conveying the sample crushed by the crushing unit to the detection bottle. The reagent conveying unit extends to the bottle mouth of the detection bottle and is used for conveying a detection reagent to the detection bottle. The driving unit is connected to the detection bottle and used for shaking the detection bottle. The driving unit comprises a hybrid driving motor, a transmission module and a support plate.

2. The pesticide residue detection device according to claim 1, characterized in that, The hybrid driving motor is arranged on the detection frame, the detection bottle is fixed on the support plate, and the transmission module is connected to the shaft of the hybrid driving motor and the support plate.

3. The pesticide residue detection device according to claim 2, characterized in that, The transmission module comprises a hybrid driving gear and a transmission belt.

4. The pesticide residue detection device according to claim 2, characterized in that, The hybrid driving gear is arranged on the shaft of the hybrid driving motor.

5. The pesticide residue detection device according to claim 4, wherein The detection frame is provided with a rotating table.

6. The pesticide residue detection device according to claim 5, wherein The transmission belt is sleeved on the rotating table and engaged with the hybrid driving gear.

7. The pesticide residue detection device according to claim 3, wherein The support plate is fixed on the transmission belt through a support.

8. The pesticide residue detection device according to claim 7, characterized in that, The support plate reciprocates with the transmission belt around the rotating table.

9. The pesticide residue detection device according to claim 8, wherein The pesticide residue detection device further comprises a plurality of limiting blocks.

10. The pesticide residue detection device according to claim 1, wherein Each limiting block is located on the side of the support plate and abuts against the detection bottle. The support plate is provided with a sliding seat. The limiting block is provided with a sliding rod. The sliding rod is slidably connected to the sliding seat. The limiting block is further provided with a compression spring. The compression spring is sleeved on the sliding rod. The crushing unit comprises a crushing frame, two crushing teeth and a crushing driving assembly. The crushing frame is fixed on the detection frame. The two crushing teeth are rotatably connected to the crushing frame and engage with each other. The crushing driving assembly is connected to the two crushing teeth and used for driving the two crushing teeth to rotate. The crushing driving assembly comprises a crushing driving motor, a transmission shaft, a connecting belt and two crushing driving gears. The two crushing driving gears are respectively connected to the two crushing teeth and engage with each other. The crushing driving motor is fixed on the detection frame. The transmission shaft is fixed on the shaft of the crushing driving motor. The connecting belt is sleeved on the transmission belt and one of the crushing driving gears. The sample conveying unit comprises a conveying pipeline and a spiral rod. The conveying pipeline is fixed on the detection frame and connected to the crushing frame. The end of the conveying pipeline extends to the bottle mouth of the detection bottle. The conveying pipeline is used for receiving the sample crushed by the crushing teeth. The spiral rod is connected to the transmission shaft and located in the conveying pipeline. The spiral rod is used for conveying the crushed sample to the detection bottle by rotating. The reagent conveying unit comprises a reagent tank, a reagent pipeline and a valve. The reagent tank is arranged on the detection frame and used for containing a detection reagent. The reagent pipeline is connected to the reagent tank and extends to the bottle mouth of the detection bottle. The valve is arranged on the reagent pipeline.

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