Automatic emptying device for sample reserving bottle of automatic water sampler

Abstract

The utility model discloses an automatic emptying device for sample reserving bottles of an automatic water sampler. The automatic emptying device comprises a box body, the reserved sample bottle bracket is fixed in the box body, a plurality of reserved sample bottles which are arranged along the circumference are placed on the reserved sample bottle bracket, and each reserved sample bottle is provided with a water inlet and a water outlet; the motor is fixed at the bottom in the box body, and a rotating shaft of the motor penetrates through the center of the reserved sample bottle bracket; the water injection pipe is fixed with the rotating shaft, an outlet of the water injection pipe faces a water inlet of the sample reserving bottle, sample reserving water can be injected into the sample reserving bottle, and the water injection pipe is communicated with a water sample external pipe; one end of the rotating frame is fixed with the rotating shaft; the magnetic body is mounted at the water outlet of the sample reserving bottle; the sealing ring is arranged between the magnetic body and the water outlet of the sample reserving bottle; the electromagnet is fixed at the other end of the rotating frame, and the electromagnet can generate magnetic poles of which like poles repel each other to jack up the magnetic body, so that the water outlet of the reserved sample bottle can be opened for draining water and emptying; the utility model has the beneficial effects of low energy consumption and high reliability.

Description

Technical Field

[0001] This utility model relates to an automatic emptying device for sample bottles in an automatic water quality sampler. Background Technology

[0002] Environmental protection is an indispensable part of modern social development, with water body monitoring being particularly important. In water body monitoring, automatic water samplers are used to collect water samples. When the number of samples reaches the maximum number of bottles that can be retained, to ensure that the sampler can retain samples normally without affecting other samples if subsequent water samples exceed the standard, the sampler needs to have an automatic emptying function for the sample bottles. Chinese patent CN216236009U, entitled "Emptying Device for Water Sampling Sample Bottles," has the following problems in actual use: The valve opening device for the sample bottle requires precise positioning and control of the rotation angle, increasing the control difficulty and cost. Furthermore, this structure controls the rotation of the sample bottles via a rotating disc. Typically, 24 sample bottles are needed, each containing more than 1 kg of water, resulting in an overall weight of over 24 kg. Therefore, the power requirement for controlling the rotation of the sample bottles is relatively high, leading to significant power consumption. Another Chinese patent discloses a sample bottle and a bottom venting device, CN201920457463.9 (CN209791587U), which further discloses a scheme that uses a steel ball to press the water outlet and then uses an electromagnet to control the push rod to push the steel ball open for venting. This scheme also has the technical problem of requiring high control precision during venting. Utility Model Content

[0003] To address the above shortcomings, this utility model provides an automatic emptying device for the sample bottle of an automatic water quality sampler, which can reduce the control precision during emptying. At the same time, the rotation of the sample bottle is improved to prevent the sample bottle from rotating.

[0004] The technical solution of this utility model is:

[0005] An automatic emptying device for sample bottles in an automatic water quality sampler includes:

[0006] Box;

[0007] The sample bottle holder is fixed inside the box. Multiple sample bottles are placed on the sample bottle holder in a circular arrangement. Each sample bottle is equipped with an inlet and an outlet.

[0008] The motor is fixed at the bottom of the box, and its rotating shaft passes through the center of the sample bottle holder. The motor is electrically connected to the controller.

[0009] The water injection pipe is fixed to the rotating shaft. The outlet of the water injection pipe faces the inlet of the sample bottle, which can inject the sample water into the sample bottle. The water injection pipe is connected to the external water sample connector, which is fixed to the box body.

[0010] A rotating frame, one end of which is fixed to a rotating shaft;

[0011] A magnetic body is installed at the outlet of the sample bottle, with its N and S poles arranged vertically.

[0012] The sealing ring is placed between the magnetic body and the outlet of the sample bottle. The magnetic body can use its own weight or the attraction of its own weight on the magnetic material outside the bottle to press the sealing ring, thereby sealing the outlet of the sample bottle.

[0013] An electromagnet is fixed at the other end of the rotating frame. The electromagnet coil is electrically connected to the controller. The iron core of the electromagnet can be aligned with the N or S magnetic pole of the magnetic body of one of the sample bottles. The electromagnet can generate like poles that repel each other, pushing the magnetic body upward, thereby opening the outlet of the sample bottle to drain the water.

[0014] The sample bottle position identification device is fixed on the rotating shaft by a bracket and can mark the position of the sample bottle;

[0015] A position sensor, fixed to the bottom of the sample bottle holder, can collect signals from the sample bottle position identification device. The position sensor is electrically connected to the controller.

[0016] Preferably, the sealing ring is fitted at the bottom corner of the magnetic body, and the water-permeable gap between the outer wall of the magnetic body and the sample bottle ensures that the magnetic body can only move up and down and cannot be flipped.

[0017] Preferably, the magnetic body is fixed to the bottom of the column, and the sealing ring is fitted at the bottom corner of the column. The water-permeable gap between the column and the sample bottle ensures that the magnetic body can only move up and down and cannot be flipped.

[0018] Preferably, the side of the columnar body is provided with multiple ribs, which can increase the water flow rate through the water passage gap.

[0019] Preferably, the outlet of the sample bottle is located at the bottom of the bottle cap, and the magnetic body is located inside the bottle cap.

[0020] Preferably, the water injection pipe is fixed to the rotary joint and internally connected, the rotary joint is fixed to the rotating shaft of the motor, and the rotary joint can be connected to the water sample external pipe.

[0021] Preferably, the water sample external connector is coaxially arranged with the rotating shaft, and the water sample external connector is rotatably and sealed to the rotating joint via an adapter seal ring.

[0022] Preferably, the rotating shaft of the motor is fixed with a magnetic ring plate by a bracket. The magnetic ring plate has a notch, and the electromagnet is located in the notch. The magnetic body in one of the sample bottles arranged in a circle can be controlled by the electromagnet, and the magnetic bodies in the other sample bottles can generate an attractive force on the magnetic ring plate, thereby pressing the corresponding sealing ring.

[0023] Preferably, the sample bottle position identification device is made of magnetic material, and the position sensor is a Hall sensor.

[0024] Compared with the prior art, the present invention has the following advantages:

[0025] Multiple sample bottles remain stationary, reducing energy consumption and simplifying the structure;

[0026] The use of magnetic valves, which are non-contact, reduces control precision while improving reliability.

[0027] This utility model has the advantages of simple structure, low cost, convenient installation and use, low energy consumption and high reliability. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0029] Figure 2 This is a schematic diagram of the structure of the magnetic body of the sample bottle of this utility model.

[0030] Figure 3 This is a schematic diagram of the columnar structure of this utility model.

[0031] Figure 4 This is a schematic diagram of the sealing ring of this utility model.

[0032] Figure 5 This is a schematic diagram of another structure of the magnetic body of the sample bottle of this utility model. Detailed Implementation

[0033] The present invention will now be further described with reference to the accompanying drawings:

[0034] like Figure 1 As shown, an automatic emptying device for sample bottles in an automatic water quality sampler includes:

[0035] Box 1;

[0036] The sample bottle holder 11 is fixed inside the box 1. Multiple sample bottles 6 are placed on the sample bottle holder 11 in a circular arrangement. Each sample bottle 6 is equipped with an inlet 62 and an outlet 601. Typically, 24 sample bottles 6 can be selected, and one bottle is sampled per hour.

[0037] Motor 21 is fixed at the bottom inside the housing 1. The rotating shaft 22 of motor 21 passes through the center of the sample bottle holder 11. Motor 21 is electrically connected to the controller. Motor 21 can be a geared motor. In order to increase stability, the upper part of the rotating shaft 22 of motor 21 can be fixed to the motor bracket via bearings. The motor bracket is fixed to the housing 1.

[0038] Water injection pipe 32 is fixed to the rotating shaft 22 of motor 21. The outlet of water injection pipe 32 faces the inlet 62 of sample bottle 6, which can inject sample water into sample bottle 6. Water injection pipe 32 is connected to water sample external connector 73, which is fixed to box body 1.

[0039] The rotating frame 31 has one end fixed to the rotating shaft 22;

[0040] A magnetic body 52 is installed at the outlet 601 of the sample bottle 6, and the N and S magnetic poles of the magnetic body 52 are arranged vertically.

[0041] The sealing ring 51 is set between the magnetic body 52 and the outlet 601 of the sample bottle 6. The magnetic body 52 can use its own weight or the attraction force of its own weight on the magnetic material outside the bottle to press the sealing ring 51, thereby sealing the outlet 601 of the sample bottle 6.

[0042] The bottom surface of the sealing ring 51 is provided with multiple closed convex rings 511.

[0043] Electromagnet 4 is fixed to the other end of the rotating frame 31. Electromagnet coil 42 is electrically connected to the controller. The iron core 41 of electromagnet 4 can be aligned with the N or S pole of the magnetic body 52 of one of the sample bottles 6. Electromagnet 4 generates like-pole repulsive magnetic poles, pushing the magnetic body 52 upwards, thereby opening the water outlet 601 of the sample bottle 6 to drain water. The water discharged from outlet 601 can be output through the water receiving tray 81 and external water inlet 82. In this embodiment, the N pole of the magnetic body 52 is the bottom surface, and the S pole is the top surface. The top surface of the iron core 41 is the N pole, and the bottom surface is the S pole. Figure 5 As shown, electromagnet 4 can be waterproof, or a regular electromagnet can be covered with a waterproof material.

[0044] The sample bottle position identification device 33 is fixed on the rotating shaft 22 by a bracket and can mark the position of the sample bottle 6;

[0045] The position sensor 34 is fixed to the bottom of the sample bottle holder 11 and can collect the signal of the sample bottle position identification device 33. The position sensor 34 is electrically connected to the controller.

[0046] The difference between this utility model and the prior art is that the sample bottle 6 does not rotate, while the water injection tube 32 and the electromagnet 4 rotate. Therefore, rotating the water injection tube 32 and the electromagnet 4 is significantly more energy-efficient than rotating the sample bottle 6, and the structure is also simpler.

[0047] This invention uses an electromagnet 4 to control the movement and emptying of a magnetic body 52, which is a non-contact method, reducing the control precision requirements and increasing reliability.

[0048] As a preferred embodiment, such as Figure 5 As shown, the sealing ring 51 is fitted at the bottom corner of the magnetic body 52. ​​The water-passing gap 65 between the outer wall of the magnetic body 52 and the sample bottle 6 ensures that the magnetic body 52 can only move up and down and cannot be flipped.

[0049] The structure of this embodiment is relatively simple. In addition, since the sealing ring is usually a relatively thin product, in order to prevent the sealing ring from deforming, the sealing ring 51 is fitted at the bottom corner of the magnetic body 52. ​​This structure can flatten the sealing ring 51 and fit it tightly against the magnetic body 52. ​​The top surface of the sealing ring 51 is not easy to accumulate dirt, and the bottom surface of the sealing ring 51 can be washed clean by water flow, which can prevent micro-leakage. This structure is superior to placing the sealing ring directly above the water outlet 601.

[0050] As another preferred embodiment, such as Figure 2 As shown, the magnetic body 52 is fixed to the bottom of the columnar body 53, and the sealing ring 51 is fitted at the bottom corner of the columnar body 53. The water-passing gap 65 between the columnar body 53 and the sample bottle 6 ensures that the magnetic body 52 can only move up and down and cannot be flipped.

[0051] In this embodiment, the columnar body 53 and the magnetic body 52 are preferably cylindrical. The columnar body 53 can be hollowed out, and if necessary, a counterweight can be placed in the hollowed-out part to adjust the sealing pressure. The magnetic body 52 can be a flat product, which can reduce weight and lower cost.

[0052] Furthermore, in order to ensure the smooth flow of air through the drainage channels, such as Figure 3 As shown, the side of the columnar body 53 is provided with multiple protruding ribs 531, which can increase the water flow rate of the water passage gap 65.

[0053] For ease of installation, the outlet 601 of the sample bottle 6 is located at the bottom of the bottle cap 60, and the magnetic body 52 is located inside the bottle cap 60.

[0054] To improve leak-proof performance, as a preferred option, such as Figure 4 As shown, the bottom surface of the sealing ring 51 in the above embodiment is provided with multiple closed convex rings 511. The convex rings 511 are located outside the water outlet 601. With multiple closed convex rings 511, the elasticity will be improved and the anti-leakage effect will be better. In addition, the convex rings 511 located on the bottom surface of the sealing ring 51 are not easy to accumulate dirt and are easy to be cleaned by water flow.

[0055] As a preferred option, such as Figure 1As shown, the water injection pipe 32 is fixed and internally connected to the rotary joint 71. The rotary joint 71 is fixed to the rotating shaft 22 of the motor 21. The rotary joint 71 can be connected to the water sample external pipe 73. Furthermore, the water sample external pipe 73 is coaxially arranged with the rotating shaft 22. The water sample external pipe 73 is rotatably and sealed to the rotary joint 71 via the adapter sealing ring 72. This structure is simple and has good reliability.

[0056] As a preferred option, such as Figure 1 As shown, the sample bottle position identification device 33 is made of magnetic material, and the position sensor 34 is a Hall sensor.

[0057] The magnetic bodies 52 of this invention are usually arranged evenly in a circle. As long as sample bottle 1 6 can be identified, the positions of sample bottles 2-24 6 can be inferred with only rough positioning of the others.

[0058] The sample bottle 6 is initially positioned by magnetic materials and Hall sensors, and then the rotation angle is controlled by a motor such as a stepper motor or servo motor so that the water injection pipe 32 is accurately aligned with the other sample bottles 6. At the same time, the valve of the magnetic body 52 is opened by the electromagnet 4 to drain the sewage in the sample bottle 6. The sewage discharged from the sample bottle 6 can be discharged from the box 1 through the receiving plate 81 and the water outlet pipe 82.

Claims

1. An automatic emptying device for sample bottles in an automatic water quality sampler, characterized in that, include: Box (1); A sample bottle holder (11) is fixed inside the box (1). Multiple sample bottles (6) are placed on the sample bottle holder (11) in a circular arrangement. Each sample bottle (6) is provided with an inlet (62) and an outlet (601). The motor (21) is fixed at the bottom inside the box (1). The rotating shaft (22) of the motor (21) passes through the center of the sample bottle support (11). The motor (21) is electrically connected to the controller. Water injection pipe (32) is fixed to rotating shaft (22). The outlet of water injection pipe (32) faces the inlet (62) of sample bottle (6) and can inject sample water into sample bottle (6). Water injection pipe (32) is connected to water sample external connector (73) and water sample external connector (73) is fixed to box body (1). A rotating frame (31) has one end fixed to a rotating shaft (22); A magnetic body (52) is installed at the outlet (601) of the sample bottle (6), and the N and S magnetic poles of the magnetic body (52) are arranged vertically. A sealing ring (51) is set between the magnetic body (52) and the outlet (601) of the sample bottle (6). The magnetic body (52) can use its own weight or the attraction force of its own weight on the magnetic material outside the bottle to press the sealing ring (51) tightly, thereby sealing the outlet (601) of the sample bottle (6). A waterproof electromagnet (4) is fixed at the other end of the rotating frame (31). The electromagnet coil (42) is electrically connected to the controller. The iron core (41) of the electromagnet (4) can be aligned with the N pole or S pole of the magnetic body (52) of one of the sample bottles (6). The electromagnet (4) can generate like poles that repel each other and push the magnetic body (52) upward, thereby opening the water outlet (601) of the sample bottle (6) to release water. The sample bottle position identification device (33) is fixed on the rotating shaft (22) by a bracket and can mark the position of the sample bottle (6); The position sensor (34) is fixed at the bottom of the sample bottle holder (11) and can collect the signal of the sample bottle position identification device (33). The position sensor (34) is electrically connected to the controller.

2. The automatic emptying device for a sample bottle of an automatic water quality sampler according to claim 1, characterized by The sealing ring (51) is fitted at the bottom corner of the magnetic body (52). The water-passing gap (65) between the outer wall of the magnetic body (52) and the sample bottle (6) satisfies that the magnetic body (52) can only move up and down and cannot be flipped.

3. The automatic emptying device for a sample bottle of an automatic water quality sampler according to claim 1, characterized by The magnetic body (52) is fixed at the bottom of the column (53), and the sealing ring (51) is fitted at the bottom corner of the column (53). The water-permeable gap (65) between the column (53) and the sample bottle (6) satisfies the requirement that the magnetic body (52) can only move up and down and cannot be flipped.

4. The automatic emptying device for a sample bottle of an automatic water quality sampler according to claim 3, characterized by The side of the column (53) is provided with multiple ribs (531), and the arrangement of multiple ribs (531) can increase the water flow rate of the water passage gap (65).

5. The automatic emptying device for the sample bottle of an automatic water sampler as described in any one of claims 1-4, characterized in that, The outlet (601) of the sample bottle (6) is located at the bottom of the bottle cap (60) of the sample bottle (6), and the magnetic body (52) is located inside the bottle cap (60).

6. The automatic emptying device for a sample bottle of an automatic water quality sampler according to any one of claims 1 to 4, characterized by The water injection pipe (32) is fixed and internally connected to the rotating joint (71). The rotating joint (71) is fixed to the rotating shaft (22) of the motor (21). The rotating joint (71) can be connected to the water sample external pipe (73).

7. The automatic emptying device for a sample bottle of an automatic water quality sampler according to claim 6, characterized by The water sample external connector (73) is coaxially arranged with the rotating shaft (22), and the water sample external connector (73) is rotatably and sealed to the rotating joint (71) via the adapter seal ring (72).

8. The automatic emptying device for the sample bottle of an automatic water quality sampler as described in any one of claims 1-4, characterized in that, The sample bottle position identification device (33) is made of magnetic material, and the position sensor (34) is a Hall sensor.

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