Device for detecting active oxygen content of fruit and vegetable washing salt

Abstract

The utility model discloses a fruit and vegetable washing salt active oxygen content detection device, and particularly relates to the technical field of detection devices, a driving motor drives a rotating seat through a driving roller and a driving gear, a cavity on the rotating seat is positioned to a proper position, and a special structural design ensures that the rotating seat rotates for a circle. The meshing relation of the connecting gear and the rotating cylinder forms a speed reduction mechanism through the planetary gear, the rotating speed of the rotating seat is further reduced, and the potassium permanganate solution is dropped into the beaker through the chambers of the rotating seat from the funnel and reacts with fruit and vegetable washing salt in the beaker. The reaction end point is judged according to the color change of the washing salt, the driving motor and the speed reducing mechanism enable the rotating seat to rotate at an accurate speed to ensure that a potassium permanganate solution is accurately dropped into the beaker, the device automatically completes the titration process, the content of active oxygen in the washing salt is accurately measured, and important reference data is provided for product quality control.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection device technical field, concretely is a kind of fruit and vegetable washing salt active oxygen content detection device. BACKGROUND

[0002] Variety salt can be divided into edible type (seasoning class, health care class and food processing class) and functional type (daily chemical class, livestock aquaculture class, water treatment class, road snow melting class and industrial salt etc.) two categories according to use.Fruit and vegetable washing salt belongs to functional type daily chemical salt, and it is developed earlier in Europe, America, Japan, Korea and other countries, now it has certain production scale, forms stable market, and production technology is also relatively mature.At present, domestic daily chemical salt market is in the initial development stage, with the improvement of people's living standards and the strengthening of nutrition and health consciousness, the demand for fruit and vegetable washing salt and its effect are also increasingly high.

[0003] Fruit and vegetable washing salt is a new product for edible washing in family and restaurant, which is prepared according to the principle of sterilization and disinfection by high-concentration sodium chloride solution osmotic pressure, and supplemented with active oxygen-containing substances (generally sodium percarbonate) to increase its decomposition capacity for pesticide residues.The so-called active oxygen refers to the oxygen-containing and active substances in the body or natural environment.Generally, the washing agent can at most strip the toxic substances from the surface of clothes and fruits and vegetables, and finally discharge into the natural environment, while the mechanism of fruit and vegetable washing salt is completely different, which can release active oxygen molecules to attack the weak organic pesticide molecules and decompose them into water-soluble non-toxic small molecules, thereby reducing the pressure of natural environment on degradation of toxic substances, and achieving the effect of strong sterilization, harmless to human and environment-friendly.

[0004] Under the prior art, how to accurately detect the active oxygen content in fruit and vegetable washing salt is an important means to ensure product performance.However, there is no specific detection method for active oxygen in washing salt.At present, the detection of active oxygen is mostly by chemical titration method.The chemical titration method is divided into direct titration with potassium permanganate solution, and the content of active oxygen is calculated according to the amount of potassium permanganate solution.The detection of active oxygen in GB / T13173-2008 surface active agent washing agent test method and HG / T2764-2008 industrial percarbonate sodium is also this kind of detection method, which is simple in operation and rapid in detection, but needs accurate control of titration amount, otherwise the content of active oxygen in washing salt cannot be accurately detected, therefore, we propose a fruit and vegetable washing salt active oxygen content detection device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving one of the technical problems existing in prior art or related art.

[0006] Therefore, the technical scheme adopted by the utility model is as follows:

[0007] A kind of fruit and vegetable washing salt active oxygen content detection device, including workbench, the top of the workbench one side is fixedly connected with support rod, the top of the support rod is fixedly connected with the amount control component for controlling the drop amount of potassium permanganate solution, the amount control component bottom is placed with the beaker for being placed in fruit and vegetable washing salt, the amount control component includes drive motor, the surface of the drive motor is sleeved with fixed cylinder, the end of the fixed cylinder away from drive motor is sleeved with rotating cylinder, the end of the fixed cylinder away from drive motor is fixedly connected with rotating seat, four cavities are formed around the rotating seat, the surface of the rotating seat is sleeved with assembly cylinder, the upper and lower sides of the assembly cylinder are formed with discharge window, the output end of the drive motor is fixedly connected with drive roll, the end of the drive roll away from servo motor is fixedly connected with driving gear, the driving gear is provided with multiple connecting gears around, the connecting gears are meshed with driving gear, the side of the connecting gears close to drive motor is rotatably connected with rotating roll, the end of the rotating roll away from connecting gear is fixedly connected with the bottom of fixed cylinder inner cavity, the rotating cylinder is sleeved on the surface of multiple connecting gears.

[0008] Preferably, the drive motor is fixedly connected with the fixed cylinder, and the top of the support rod is sleeved on the surface of the fixed cylinder.

[0009] Preferably, the rotating cylinder is rotatably connected with the inner wall of the fixed cylinder, and the end faces of the fixed cylinder and the rotating cylinder in contact with each other are each formed with an assembly ring groove around the end face.

[0010] Preferably, multiple balls are installed in the assembly ring groove, the fixed cylinder and the rotating cylinder are in contact with each other through the multiple balls, and the inner wall of the end of the fixed cylinder close to the rotating cylinder is fixedly connected with a limiting ring for preventing the fixed cylinder from being separated from the rotating cylinder.

[0011] Preferably, the four cavities are uniformly distributed around the axis of the rotating seat, the rotating seat is rotatably connected with the inner wall of the assembly cylinder, and the discharge windows on the two sides are symmetrically distributed along the axis of the assembly cylinder.

[0012] Preferably, the axes of the driving gear, the fixed cylinder and the rotating cylinder coincide, and multiple connecting gears are uniformly distributed around the axis of the driving gear.

[0013] Preferably, multiple tooth grooves matched with the connecting gears are formed in the inner wall of the rotating cylinder, and multiple tooth grooves are uniformly distributed around the axis of the rotating cylinder, and the connecting gears are meshed with the rotating cylinder.

[0014] Preferably, the discharge windows of the assembly cylinder are each fixedly connected with a connecting pipe, the top of the connecting pipe is fixedly connected with a funnel, and the bottom of the connecting pipe is arranged on the top of the beaker.

[0015] By adopting the above technical scheme, the present application has the following advantages:

[0016] The utility model discloses a drive motor drives the rotating seat through the drive roll and driving gear, and the chamber on the rotating seat is positioned to the proper position, and the special structure design guarantees its rotating seat rotation a week, can fall four chamber volume's potassium permanganate solution, and the meshing relation of connecting gear and rotating cylinder is reduced mechanism through planetary gear, further reduces the rotating speed of rotating seat, and the potassium permanganate solution drops into the beaker from the chamber of funnel through the rotating seat and reacts with the fruit and vegetable washing salt placed in it, and the active oxygen in washing salt participates in the oxidation -reduction reaction of potassium permanganate solution, and in the titration process, according to the color change of washing salt, judges the end point of reaction, and the drive motor and reduction mechanism make the rotating seat rotate with accurate speed, ensure that the potassium permanganate solution drops into the beaker accurately, need not manual intervention, and the device can complete the titration process automatically, can quantitatively titrate the consumption of potassium permanganate solution, and the active oxygen content in washing salt is accurately measured, and important reference data is provided for product quality control, and the device combines the advantages of accurate control and automation operation, makes the determination of active oxygen content become efficient and reliable, and is suitable for the detection work of oxygen content in the production and quality control process of various fruit and vegetable washing salts. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is whole structure schematic diagram of the utility model.

[0018] Figure 2 It is assembly cylinder and rotating seat connecting structure schematic diagram of the utility model.

[0019] Figure 3 It is control assembly structure schematic diagram of the utility model.

[0020] Figure 4 It is rotating cylinder and fixed cylinder assembly structure schematic diagram of the utility model.

[0021] Figure 5 It is planetary gear structure schematic diagram of the utility model.

[0022] In the drawing: 1, workbench;101, support rod;102, beaker;2, control assembly;201, drive motor;202, drive roll;203, driving gear;204, connecting gear;205, rotating roll;206, fixed cylinder;207, rotating cylinder;208, gear slot;209, assembly ring groove;210, ball;211, limit ring;212, rotating seat;213, chamber;214, assembly cylinder;215, discharge window;216, connecting pipe;217, funnel. DETAILED DESCRIPTION

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Example: Figures 1-5 As shown, this utility model provides a device for detecting the active oxygen content of fruit and vegetable washing salt, including a workbench 1. A support rod 101 is fixedly connected to one side of the top of the workbench 1. A volume control component 2 for controlling the amount of potassium permanganate solution dripped is fixedly connected to the top of the support rod 101. A beaker 102 for placing fruit and vegetable washing salt is placed at the bottom of the volume control component 2. The volume control component 2 includes a drive motor 201. A fixed cylinder 206 is sleeved on the surface of the drive motor 201 and fixedly connected to the fixed cylinder 206. One end of the top of the support rod 101 is sleeved on the surface of the fixed cylinder 206. A fixed cylinder 206 is fixedly connected, and a rotating cylinder 207 is sleeved on the end of the fixed cylinder 206 away from the drive motor 201. The rotating cylinder 207 is rotatably connected to the inner wall of the fixed cylinder 206. Both the end faces of the fixed cylinder 206 and the rotating cylinder 207 that come into contact with each other are provided with an assembly ring groove 209 that surrounds itself. Multiple balls 210 are installed in the assembly ring groove 209. The fixed cylinder 206 and the rotating cylinder 207 are in contact with each other through the multiple balls 210. A limiting ring 211 is fixedly connected to the inner wall of the end of the fixed cylinder 206 closest to the rotating cylinder 207 to prevent it from detaching from the rotating cylinder 207. The fixed cylinder 206 is located away from the drive motor 201. One end is fixedly connected to a rotating seat 212. Four chambers 213 are formed around the rotating seat 212, evenly distributed around its axis. An assembly cylinder 214 is fitted onto the surface of the rotating seat 212, rotatably connecting the rotating seat 212 to the inner wall of the assembly cylinder 214. Discharge windows 215 are formed on both the upper and lower sides of the assembly cylinder 214, symmetrically distributed along its axis. Connecting pipes 216 are fixedly connected to each discharge window 215 of the assembly cylinder 214. A funnel 217 is fixedly connected to the top of each connecting pipe 216, and the bottom of the connecting pipe 216 is positioned within the beaker 102. At the top, when the chamber 213 of the rotating seat 212 rotates to connect with the top connecting pipe 216, the potassium permanganate solution in the funnel 217 enters the chamber 213. When the chamber 213 rotates to the bottom of the connecting pipe, the potassium permanganate solution in this unit chamber 213 can be discharged. The rotating seat 212 has four chambers 213. When the rotating seat 212 is driven by the drive motor 201, the potassium permanganate solution in the four chambers 213 can enter the beaker 102 to react with the washing salt for each rotation. This makes it easy for the staff to precisely control the amount of potassium permanganate solution entering, and no manual labor is required.

[0025] Further, the drive motor 201 is fixedly connected with a drive roller 202, the drive roller 202 is fixedly connected with a driving gear 203 at one end away from the servo motor, the driving gear 203, the fixed cylinder 206 and the rotating cylinder 207 are coaxial, a plurality of connecting gears 204 are arranged around the driving gear 203, the connecting gears 204 are meshed with the driving gear 203, the plurality of connecting gears 204 are uniformly distributed around the axis of the driving gear 203, the connecting gears 204 are rotatably connected with a rotating roller 205 at one side close to the drive motor 201, the rotating roller 205 is fixedly connected with the bottom of the inner cavity of the fixed cylinder 206 at one end away from the connecting gears 204, the rotating cylinder 207 is sleeved on the surfaces of the plurality of connecting gears 204, a plurality of tooth grooves 208 matched with the connecting gears 204 are formed in the inner wall of the rotating cylinder 207, the plurality of tooth grooves 208 are uniformly distributed around the axis of the rotating cylinder 207, the connecting gears 204 are meshed with the rotating cylinder 207, through the structural design of the planetary gear, a speed reducer structure is formed, and the rotating speed of the rotating seat 212 is further reduced, so that the worker can more finely control the entering amount of the potassium permanganate solution, and the detection is more accurate.

[0026] The potassium permanganate solution will undergo oxidation-reduction reaction in the titration process, and the active oxygen in the washing salt will participate in the reaction, causing the reduction of the potassium permanganate solution, and the titration end point can be judged by the color change of the washing salt, from purple to colorless or light pink, the higher the content of active oxygen, the more potassium permanganate solution is needed to titrate to the end point, and the volume of the potassium permanganate solution consumed in the titration process is in a proportional relationship with the content of active oxygen in the sample. The higher the content of active oxygen, the more potassium permanganate solution is needed to reach the titration end point, and it is very simple and intuitive to determine the content of active oxygen in the washing salt by the device, which is suitable for rapid detection in laboratories or industrial production.

[0027] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Therefore, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalent technologies, the present application also intends to include these modifications and variations.

Claims

1. A device for detecting active oxygen content of fruit and vegetable washing salt, characterized by, The application relates to a workbench (1) which is provided with a supporting rod (101) fixedly connected to one side of the top of the workbench (1), a quantity control assembly (2) for controlling the dropping amount of potassium permanganate solution fixedly connected to the top of the supporting rod (101), a beaker (102) for containing fruit and vegetable washing salt arranged at the bottom of the quantity control assembly (2), a driving motor (201) arranged in the quantity control assembly (2), a fixed cylinder (206) sleeved with the surface of the driving motor (201), a rotating cylinder (207) sleeved with one end of the fixed cylinder (206) away from the driving motor (201), a rotating seat (212) fixedly connected to one end of the fixed cylinder (206) away from the driving motor (201), four cavities (213) arranged around the rotating seat (212), an assembling cylinder (214) sleeved with the surface of the rotating seat (212), discharge windows (215) arranged on the upper and lower sides of the assembling cylinder (214), a driving roller (202) fixedly connected to the output end of the driving motor (201), a driving gear (203) fixedly connected to one end of the driving roller (202) away from the servo motor, a plurality of connecting gears (204) arranged around the driving gear (203), the connecting gears (204) being in meshing connection with the driving gear (203), a rotating roller (205) rotatably connected to one side of the connecting gear (204) close to the driving motor (201), one end of the rotating roller (205) away from the connecting gear (204) being fixedly connected to the bottom of the inner cavity of the fixed cylinder (206), and the rotating cylinder (207) being sleeved with the surfaces of the plurality of connecting gears (204).

2. The device for detecting active oxygen content of fruit and vegetable washing salt according to claim 1, characterized in that, The driving motor (201) is fixedly connected with the fixed cylinder (206), one end of the supporting rod (101) is sleeved with the surface of the fixed cylinder (206), and the supporting rod (101) is fixedly connected with the fixed cylinder (206).

3. The device for detecting active oxygen content of fruit and vegetable washing salt according to claim 1, characterized in that, The rotating cylinder (207) is rotatably connected with the inner wall of the fixed cylinder (206), and the end surfaces of the fixed cylinder (206) and the rotating cylinder (207) in mutual contact are both provided with an assembling ring groove (209) surrounding one side thereof.

4. The device for detecting active oxygen content of fruit and vegetable washing salt according to claim 3, characterized in that, A plurality of rolling balls (210) are arranged in the assembling ring groove (209), the fixed cylinder (206) and the rotating cylinder (207) are in mutual contact through the plurality of rolling balls (210), and a limiting ring (211) for preventing the fixed cylinder (206) from being separated from the rotating cylinder (207) is fixedly connected to the inner wall of one end of the fixed cylinder (206) close to the rotating cylinder (207).

5. The device for detecting active oxygen content of fruit and vegetable washing salt according to claim 1, characterized in that, The four cavities (213) are uniformly distributed around the axis of the rotating seat (212), the rotating seat (212) is rotatably connected with the inner wall of the assembling cylinder (214), and the discharge windows (215) on the two sides are symmetrically distributed along the axis of the assembling cylinder (214).

6. The device for detecting active oxygen content of fruit and vegetable washing salt according to claim 1, characterized in that, The axes of the driving gear (203), the fixed cylinder (206) and the rotating cylinder (207) coincide, and the plurality of connecting gears (204) are uniformly distributed around the axis of the driving gear (203).

7. The device for detecting active oxygen content of fruit and vegetable washing salt according to claim 1, characterized in that, The inner wall of the rotating cylinder (207) is provided with a plurality of tooth grooves (208) matched with the connecting gear (204), and the plurality of tooth grooves (208) are uniformly distributed around the axis of the rotating cylinder (207), and the connecting gear (204) is in meshing connection with the rotating cylinder (207).

8. The device for detecting active oxygen content of fruit and vegetable washing salt according to claim 1, characterized in that, The connecting pipe (216) is fixedly connected at the top of the assembly cylinder (214), and the funnel (217) is fixedly connected at the top of the connecting pipe (216).

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