CN219142367U - Sample separating mechanism and automatic water quality sampling equipment - Google Patents
Sample separating mechanism and automatic water quality sampling equipment Download PDFInfo
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- CN219142367U CN219142367U CN202223257941.2U CN202223257941U CN219142367U CN 219142367 U CN219142367 U CN 219142367U CN 202223257941 U CN202223257941 U CN 202223257941U CN 219142367 U CN219142367 U CN 219142367U
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Abstract
The utility model provides a sample separating mechanism and automatic water quality sampling equipment, wherein the automatic water quality sampling equipment comprises a water sampling unit, a plurality of sample reserving bottles and the sample separating mechanism; the sample separating mechanism comprises a power source; the rotary disc hopper is connected with and driven by the power source to rotate, the rotary disc hopper is provided with a chassis and a peripheral wall, the chassis is obliquely arranged, a water outlet is formed in the lowest position, and the peripheral wall is connected with the outer edge of the chassis in a surrounding mode; each sample reserving bottle is circumferentially distributed on the rotating shaft of the rotary disc funnel, the water collecting unit is located above the rotary disc funnel, and water in the water collecting unit falls into the rotary disc funnel and flows into the water outlet to leave the rotary disc funnel and then is distributed to each sample reserving bottle. The sample separating mechanism and the automatic water quality sampling equipment provided by the utility model solve the problem that a sampling tube in the existing water quality sample separating mechanism winds a rotating shaft and a sample separating arm when the sample separating arm rotates.
Description
Technical Field
The utility model relates to the technical field of water quality sampling, in particular to a sample separating mechanism and automatic water quality sampling equipment.
Background
The automatic water quality sampling equipment is an important equipment unit for realizing automatic sampling, sample feeding and sample reserving in a water quality monitoring system, and can realize the functions of automatic sampling, water mixing, automatic sample feeding to chemical analysis instruments such as total phosphorus total nitrogen, ammonia nitrogen, COD and the like, exceeding the standard and sample reserving and the like. The out-of-standard sample reserving is to automatically store out-of-standard water samples into sample reserving bottles with corresponding bottle numbers in a refrigerating chamber, and the storage of the out-of-standard water samples into the 24 sample reserving bottles is realized by a sample dividing mechanism according to program instructions. At present, the technology is mature and the most widely applied sample dividing mechanism is of a rocker arm type structure, the sample dividing arm is only capable of rotating in the range of 0-360 degrees to divide samples, and the problem that a sample reserving pipe is wound on a rotating shaft slightly exists, namely, the sample reserving pipe cannot continuously rotate towards the same direction after being rotated from a sample reserving bottle No. 1 to a sample reserving bottle No. 24, otherwise, the sample reserving pipe is wound, once a program is out of control, the sample dividing arm always rotates towards the same direction to cause the sample reserving motor to be burnt out, or the sample reserving pipe is pulled out, so that the normal operation of the water quality automatic sampling equipment and the whole online monitoring system is influenced.
Therefore, how to solve the above-mentioned problem of the sampling tube winding is needed to be studied.
Disclosure of Invention
The utility model aims to provide a sample separating mechanism and automatic water quality sampling equipment, which are used for solving the problem that a sampling tube in the existing water quality sample separating mechanism winds a rotating shaft and a sample separating arm when the sample separating arm rotates.
In order to achieve the above purpose, the present utility model provides the following technical scheme:
a divide appearance mechanism for a quality of water automatic sampling equipment, quality of water automatic sampling equipment includes adopts water unit and a plurality of sample bottle of reserving, divide appearance mechanism to include:
a power source;
the rotary disc hopper is connected with and driven by the power source to rotate, the rotary disc hopper is provided with a chassis and a peripheral wall, the chassis is obliquely arranged, a water outlet is formed in the lowest position, and the peripheral wall is connected with the outer edge of the chassis in a surrounding mode;
the sample reserving bottles are circumferentially distributed on the rotating shaft of the rotary disc funnel, the water collecting unit is located above the rotary disc funnel, and water in the water collecting unit falls into the rotary disc funnel and flows into the water outlet to leave the rotary disc funnel and then is distributed to the sample reserving bottles.
In some embodiments of the present utility model, the turntable funnel is further provided with a first mounting hole;
the sample separating mechanism further comprises a rotating shaft, one end of the rotating shaft is fixedly connected with the crankshaft of the power source, and the other end of the rotating shaft is fixedly connected with the rotary disc funnel through the first mounting hole.
In some embodiments of the present utility model, the sample separation mechanism further comprises a flow guiding pipe;
one end of the flow guide pipe is connected with the water outlet of the rotary disc funnel, and the port of the other end of the flow guide pipe is correspondingly arranged with the bottle mouth of the sample reserving bottle.
In some embodiments of the utility model, the sample separating mechanism further comprises a support arm;
one end of the support arm is fixedly connected to the chassis of the rotary disc funnel, the other end of the support arm deviates from the chassis and faces the sample reserving bottle to extend, and the support arm is fixedly connected to one end of the flow guiding pipe, which is arranged corresponding to the bottle mouth of the sample reserving bottle.
In some embodiments of the present utility model, the first mounting hole penetrates through the chassis, a second mounting hole is formed in one end, fixedly connected with the chassis, of the support arm, the second mounting hole is arranged corresponding to the first mounting hole, and the rotating shaft sequentially penetrates through the first mounting hole and the second mounting hole.
In some embodiments of the present utility model, a docking hole is formed at one end of the rotating shaft fixedly connected with the shaft of the power source, the shaft of the power source is inserted into the docking hole, the docking hole is a D-shaped hole, and the cross section of the shaft of the power source is a D-shaped surface;
a fixing hole is further formed in one end, fixedly connected with the crankshaft, of the power source, of the rotating shaft, the fixing hole penetrates through the rotating shaft in the radial direction of the rotating shaft and is communicated with the butt joint hole, and a set screw is arranged in the fixing hole to fix the rotating shaft and the crankshaft;
the power source is a stepping motor with double-shaft output;
the rotary table funnel comprises a rotary table funnel body, wherein a water outlet of the rotary table funnel body penetrates through the rotary table funnel body, and one end of a flow guide pipe is sleeved on the outer peripheral surface of the rotary table funnel body.
In some embodiments of the present utility model, the orthographic projection of the chassis is a circle, and the first mounting hole is located at a center of the chassis.
In some embodiments of the utility model, the support arm comprises a first section, a second section and a third section which are connected in sequence, wherein the first section is close to the chassis, and the third section is close to the sample reserving bottle;
the included angle between the first section and the second section is alpha, the included angle between the second section and the third section is beta, alpha and beta are coplanar angles, alpha epsilon (90 degrees, 180 degrees), beta epsilon (90 degrees, 180 degrees) and the included angle between the angular bisector of alpha and the angular bisector of beta is more than 0 degrees and not more than 90 degrees;
the middle section of honeycomb duct in proper order with second section and third section laminating set up.
In some embodiments of the present utility model, a fixing portion is formed on the second section of the support arm;
the fixed part is provided with a perforation in a penetrating way, and the honeycomb duct passes through the perforation to be fixed with the support arm;
and a through hole is further formed in the third section of the support arm in a penetrating mode, and the flow guide pipe penetrates through the through hole from one side, close to the rotary disc funnel, of the support arm to one side, away from the rotary disc funnel, of the support arm.
In some embodiments of the present utility model, a boss is disposed on a side of the chassis of the turntable funnel, which is away from the water collection unit, and the first mounting hole penetrates through the chassis and the boss;
the support arm also comprises a fourth section, the fourth section is connected to one end of the first section, which is away from the second section, and the shape and the size of the boss are matched with those of the fourth section of the support arm.
In some embodiments of the utility model, the support arm is provided with a reinforcing rib;
the reinforcing rib is arranged on one side of the support arm, which is away from the flow guide pipe, and extends along the longitudinal direction of the support arm
Or, the reinforcing ribs comprise two reinforcing ribs, the reinforcing ribs are arranged on one side, close to the flow guide pipe, of the support arm and extend along the longitudinal direction of the support arm, and the flow guide pipe is clamped between the two reinforcing ribs.
In some embodiments of the present utility model, the sample separation mechanism further comprises a photoelectric sensing component, the photoelectric sensing component comprises:
the photoelectric sensor is fixedly arranged on the automatic water quality sampling equipment and is provided with two bulges which are oppositely arranged along the axial direction of the rotating shaft and form a notch;
the shielding piece is fixedly connected and driven to rotate by one of the rotating shaft and the crankshaft of the power source, and the extending direction of the shielding piece is matched with the extending direction of the support arm;
wherein one of the projections emits light and is received by the other projection, and the shield rotates into the slot and shields the light.
In order to achieve the above purpose, the present utility model also provides the following technical solutions:
an automatic water sampling apparatus, the apparatus comprising:
the sample separating mechanism is characterized by comprising a sample separating mechanism;
the water sampling unit is arranged above the rotary disc funnel of the sample separating mechanism;
the sample reserving bottles are circumferentially distributed on the rotating shaft of the rotary disc funnel.
In some embodiments of the present utility model, a conduit is disposed on the water collecting unit;
one end of the guide pipe is communicated with the water collecting unit, and the other end of the guide pipe is correspondingly arranged above the rotary disc funnel;
the pipe diameter of the guide pipe is smaller than or equal to the caliber of the water outlet of the rotary disc funnel.
Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:
1. according to the sample separating mechanism and the automatic water quality sampling equipment, through the rotatable rotary disc hopper with the inclined chassis, the problem that a plurality of sample reserving bottles surrounding the rotary shaft of the rotary disc hopper are distributed and sent samples are solved, meanwhile, the problem that the sample reserving tubes in the traditional sample separating mechanism are wound around the rotary shaft and the sample separating arm when the sample separating arm rotates is solved, the rotation angle larger than 360 degrees can be achieved, the function of rotating infinitely along the same direction without turning around and turning around is achieved, and the problem that the sample separating arm in the traditional sample separating mechanism must rotate once after rotating 360 degrees is solved ingeniously, so that the whole sample separating mechanism and the automatic sampling equipment are more efficient, flexible and reliable.
2. According to the sample separating mechanism and the automatic water quality sampling equipment, the support arm with the two inclined sections is adopted, the flow guide pipe is attached to the two inclined sections, and the design of the support arm with the two inclined sections realizes that no water sample residues exist in the flow guide pipe, and meanwhile, the problems that the flow guide pipe is pulled and excessively extruded and deformed when the total height of the support arm in the vertical direction is smaller can be solved, so that water samples in the flow guide pipe can smoothly flow out and are not remained.
3. In the sample separating mechanism and the automatic water quality sampling equipment provided by the utility model, the functions of accurately positioning and calibrating the support arm and the turntable funnel are realized through the photoelectric sensing assembly; specifically, a shielding piece connected with a crankshaft or a rotating shaft of the power source is arranged, the shielding piece can rotate to enter or leave the notch position of the photoelectric sensor, so that the optical signal of the photoelectric sensor is shielded, the shielding piece can be automatically calibrated once every time the photoelectric sensor passes, and therefore zero clearing of the angle error is achieved.
4. In the sample separating mechanism and the automatic water quality sampling equipment provided by the utility model, the power source of the D-type surface double-output machine shaft, the rotating shaft with one end being the D-type surface and the other end being the D-type hole, and the rotating disc hopper and the support arm which are provided with the D-type holes are adopted, so that the design is convenient, and the sample separating mechanism still has high accuracy after being disassembled and reassembled by users.
5. In the automatic water quality sampling equipment provided by the utility model, the pipe diameter of the water outlet pipe of the water sampling unit is smaller than or equal to the water outlet caliber of the turntable funnel, so that the water inflow in the turntable funnel is smaller than or equal to the water outflow, and the problem that water samples overflow from the turntable funnel is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural diagram of a sample separating mechanism according to an embodiment of the present utility model;
FIG. 2 is a top view of the turntable funnel of FIG. 1;
FIG. 3 is a cross-sectional view taken along the direction A-A in FIG. 2;
FIG. 4 is a bottom view of the turntable funnel of FIG. 1;
FIG. 5 is a bottom view of the arm of FIG. 1;
FIG. 6 is a cross-sectional view taken along the direction B-B in FIG. 5;
fig. 7 is a schematic structural diagram of an automatic water quality sampling device according to an embodiment of the present utility model.
The main reference numerals in the drawings of the present specification are explained as follows:
101-a power source;
102-a turntable funnel; 1021-chassis; 1022-peripheral wall; 1023-a first mounting hole; 1024-docking protrusions; 1025-a boss; 1026-water outlet;
103-rotating shaft;
104-a flow guiding pipe;
105-arm; 1051-a second mounting hole; 1052-first section; 1053-second stage; 1054-third section; 1055-securing portion; 10551-piercing; 1056-reinforcing bars; 1057-vias; 1058-fourth section;
1061—a photosensor; 10611-bump; 10612-notch; 1062-a shield;
201-a water collecting unit; 2011-catheter; 202-reserving a sample bottle; 203-a refrigerator.
Detailed Description
The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
The technical scheme of the utility model provides a sample separating mechanism and automatic water quality sampling equipment, and the sample separating mechanism and the automatic water quality sampling equipment are respectively described in detail below. It should be noted that the following description order of the embodiments is not intended to limit the preferred order of the embodiments of the present utility model. In the following embodiments, the descriptions of the embodiments are focused on, and for the part that is not described in detail in a certain embodiment, reference may be made to the related descriptions of other embodiments.
Example 1
As shown in fig. 1 and 7, in some embodiments of the present utility model, a sample separating mechanism is used in an automatic water quality sampling apparatus, where the automatic water quality sampling apparatus includes a water sampling unit 201 and a plurality of sample reserving bottles 202, and the sample separating mechanism includes: a power source 101; a turntable funnel 102 connected to and driven by the power source 101 to rotate, wherein the turntable funnel 102 has a chassis 1021 and a peripheral wall 1022, the chassis 1021 is arranged in an inclined manner, a water outlet 1026 is formed at the lowest position, and the peripheral wall 1022 is connected to the outer edge of the chassis 1021 in a surrounding manner; wherein, each sample reserving bottle 202 is circumferentially distributed on the rotation axis of the turntable funnel 102, the water sampling unit 201 is located above the turntable funnel 102, and water in the water sampling unit 201 falls into the turntable funnel 102 and flows into the water outlet 1026 to leave the turntable funnel 102, and is further distributed to each sample reserving bottle 202. It can be appreciated that the sample separating mechanism provided by the utility model, through the rotatable turntable funnel 102 with an inclined chassis, the problem that the sample separating arm is wound when the sample separating arm rotates by the sample reserving bottles 202 which are arranged around the rotating shaft of the turntable funnel in a circumferential direction is skillfully avoided while the sample distributing is realized, the rotating angle larger than 360 degrees can be realized, the function of 'infinitely rotating along the same direction without turning around and turning around' can be realized, and the problem that the sample separating arm in the traditional sample separating mechanism must be rotated once after rotating 360 degrees is skillfully solved, so that the whole sample separating mechanism and the automatic sampling equipment are more efficient, flexible and reliable.
In some embodiments of the present utility model, as shown in fig. 2 and 3, the turntable funnel 102 is further provided with a first mounting hole 1023; as shown in fig. 1, the sample separating mechanism further includes a rotating shaft 103, one end of the rotating shaft 103 is fixedly connected with the crankshaft of the power source 101, and the other end is fixedly connected with the turntable funnel 102 through the first mounting hole 1023.
As shown in fig. 1, in some embodiments of the present utility model, the sample separation mechanism further includes a flow guide 104; one end of the flow guide pipe 104 is connected with the water outlet 1026 of the rotary disc funnel 102, and the port of the other end is correspondingly arranged with the bottle mouth of the sample reserving bottle 202, so that the functions of rotating the rotary disc funnel 102, enabling the water outlet 1026 to pass through the upper part or the vicinity of the bottle mouth of each sample reserving bottle 202, and distributing water samples in the rotary disc funnel 102 and falling into each sample reserving bottle 202 are realized.
As shown in fig. 1, 5 and 6, in some embodiments of the utility model, the sample separation mechanism further includes a support arm 105; one end of the support arm 105 is fixedly connected to the chassis 1021 of the turntable funnel 102, the other end of the support arm is away from the chassis 1021 and extends towards the sample reserving bottle 202, and the support arm is fixedly connected to one end of the flow guiding pipe 104, which is arranged corresponding to the bottle mouth of the sample reserving bottle 202, so that the flow guiding pipe 104 faces the bottle mouth of the sample reserving bottle 202.
In some embodiments of the utility model, as shown in fig. 2-4, the first mounting hole 1023 extends through the chassis 1021; as shown in fig. 5 and 6, a second mounting hole 1051 is formed at one end of the support arm 105 fixedly connected with the chassis 1021, the second mounting hole 1051 is disposed corresponding to the first mounting hole 1023, and referring to fig. 1, the rotation shaft 103 sequentially passes through the first mounting hole 1023 and the second mounting hole 1051. It can be appreciated that the inner walls of the first and second mounting holes 1023 and 1051 and the outer circumferential surface of the rotation shaft 103 may be provided with threads to achieve a fixing effect by means of screw locking; in some embodiments of the present utility model, a lock nut may be sleeved on the outer peripheral surface of the rotating shaft 103 to further enhance the locking effect.
As shown in fig. 2 and fig. 4, in some embodiments of the present utility model, a docking hole (not shown) is formed at an end of the rotating shaft 103 fixedly connected to the crankshaft of the power source 101, the crankshaft of the power source 101 is inserted into the docking hole, the docking hole is a D-shaped hole, a cross section of the crankshaft of the power source 101 is a D-shaped surface, a fixing hole (not shown) is further formed at an end of the rotating shaft 103 fixedly connected to the crankshaft of the power source 101, and the fixing hole penetrates through the rotating shaft 103 along a radial direction of the rotating shaft 103 and is communicated with the docking hole, and a set screw is disposed in the fixing hole to fix the rotating shaft 103 and the crankshaft; the cross section of pivot 103 with carousel funnel 102 fixed connection's part is the D profile, the pivot 103 with support arm 105 fixed connection's part's cross section is the D profile, first mounting hole 1023 and second mounting hole 1051 are the D type hole to realize the slow-witted effect of preventing in the assembly process, and, when the user unpacks each part, also can facilitate the user to simply assemble each part again into an organic whole, make things convenient for sample separation mechanism still to have very high accuracy after being dismantled the reload by the user.
In some embodiments of the present utility model, the power source 101 is a dual-axis stepper motor, so as to output torque to the rotating shaft 103, thereby realizing the rotation of the turntable funnel 102, and the specific type and specification of the stepper motor can be selected and adjusted according to the actual application scenario; other types of motors may be used in other embodiments of the utility model to achieve equal output torque.
As shown in fig. 3, in some embodiments of the present utility model, a pair of docking protrusions 1024 are convexly disposed at the position of the water outlet 1026 of the rotary disk funnel 102, the water outlet 1026 of the rotary disk funnel 102 penetrates through the docking protrusions 1024, and one end of the flow guiding tube 104 is sleeved on the outer peripheral surface of the docking protrusions 1024.
As shown in fig. 2 and 3, in some embodiments of the present utility model, the front projection of the chassis 1021 is circular, and the first mounting hole 1023 is located at the center of the chassis 1021.
As shown in fig. 6, in some embodiments of the present utility model, the arm 105 includes a first section 1052, a second section 1053, and a third section 1054 that are sequentially connected, where the first section 1052 is close to the chassis 1021, and the third section 1054 is close to the sample retention bottle 202; the included angle between the first section 1052 and the second section 1053 is α, the included angle between the second section 1053 and the third section 1054 is β, α and β are coplanar angles, α e (90 °,180 ° ], β e (90 °,180 ° ], and the included angle between the angle bisector of α and the angle bisector of β is greater than 0 ° and not greater than 90 °), and the middle section of the flow guide 104 is sequentially attached to the second section 1053 and the third section 1054 to implement the accommodation and fixation of the flow guide 104.
As shown in fig. 1 and 6, in some embodiments of the present utility model, a fixing portion 1055 is formed on the second section 1053 of the support arm 105; the fixing portion 1055 is provided with a through hole 10551, and the flow guiding tube 104 passes through the through hole 10551 to be fixed with the support arm 105. It should be noted that the fixing portion 1055 may include a plurality of fixing portions, which are sequentially disposed along the extending direction of the arm 105, so as to further enhance the fixing effect on the flow guiding tube 104. It will be appreciated that the particular dimensional parameters employed for the securing portion 1055 may be selected and adjusted depending upon the application, and that in other embodiments of the utility model, the securing portion 1055 may be disposed in the second section 1053 or other suitable location of the arm 105.
As shown in fig. 6, in some embodiments of the present utility model, a through hole 1057 is further formed through the third section 1054 of the support arm 105, and the flow guide 104 passes through the through hole 1057 from a side of the support arm 105 near the turntable funnel 102 to a side of the support arm 105 away from the turntable funnel 102, so as to be opposite to the mouth of the sample retention bottle 202, thereby achieving the effect of "the sample leaves the turntable funnel 102 via the flow guide 104 and is distributed into each sample retention bottle 202".
As shown in fig. 3 and 4, in some embodiments of the present utility model, a boss 1025 is disposed on a side of the chassis 1021 of the turntable funnel 102 facing away from the water collection unit 201, and the first mounting hole 1023 penetrates through the chassis 1021 and the boss 1025; the arm 105 further comprises a fourth section 1058, the fourth section 1058 is connected to an end of the first section 1052 facing away from the second section 1053, and the boss 1025 is shaped and sized to fit the shape and size of the fourth section 1058 of the arm 105, and the boss 1025 is used to achieve a stable assembly between the turntable funnel 102 and the arm 105.
In some embodiments of the utility model, as shown in fig. 5 and 6, the support arm 105 is provided with a reinforcing rib 1056; the reinforcing ribs 1056 are provided on the side of the support arm 105 facing away from the draft tube 104 and extend in the longitudinal direction of the support arm 105, and it is apparent that the reinforcing ribs 1056 serve to reinforce the structural strength of the support arm 105.
In other embodiments of the present utility model, the reinforcing ribs 1056 are disposed on the side of the support arm 105 near the flow guiding pipe 104 and extend along the longitudinal direction of the support arm 105, and the flow guiding pipe 104 is sandwiched between the two reinforcing ribs 1056, so as to strengthen the structural strength of the support arm 105 and stabilize the flow guiding pipe 104, so that the flow guiding pipe 104 is not easy to be inclined and loosened.
As shown in fig. 1, in some embodiments of the present utility model, the sample separation mechanism further includes a photo-sensing assembly, and the photo-sensing assembly includes: the photoelectric sensor 1061 is fixedly arranged on the automatic water quality sampling device, and is provided with two protrusions 10611, and the two protrusions 10611 are oppositely arranged along the axial direction of the rotating shaft 103 and form a notch 10612; a shield 1062 fixedly connected to and rotated by a crankshaft of the power source 101, an extending direction of the shield 1062 being adapted to an extending direction of the arm 105; wherein one of the protrusions 10611 emits light and is received by the other protrusion 10611, and the shield 1062 rotates into the slot 10612 between the two protrusions 10611 and shields the light so that no light is received from the other protrusion 10611 on one of the protrusions 10611. In the debugging stage, when the shielding piece 1062 rotates to the position of the notch 10612 of the photoelectric sensor 1061 for the first time and interrupts the optical signal, the power source 101 stops rotating, and then if the support arm 105 is just aligned to the middle position of the bottle mouth of the sample reserving bottle 202 No. 1, the shielding piece can rotate to the middle position of the bottle mouth of the next sample reserving bottle 202 every time by an angle of gamma, wherein gamma= (360 °)/N, N is the number of sample reserving bottles 202 uniformly distributed in the circumferential direction; if the support arm 105 is not aligned with the middle position of the bottle mouth of the sample-reserving bottle 202, the power source 101 is driven to continuously rotate by setting parameter compensation, the support arm 105 is rotated to a position corresponding to the middle position of the bottle mouth of the sample-reserving bottle 202, then the next sample-reserving bottle 202 is reached by rotating a gamma angle, after the support arm rotates to the middle position of the bottle mouth of the last sample-reserving bottle, the support arm, the rotary disc funnel and the shielding piece rotate to the notch position of the photoelectric sensor along with the power source to shield and interrupt the photoelectric sensor optical signals, the power source is stopped, then the support arm is rotated to the middle position of the bottle mouth of the sample-reserving bottle 1 again according to the set parameter compensation, and at the moment, the accumulated angle error in the circumferential rotation process can be automatically cleared. That is, the shielding piece 1062 will be automatically calibrated once every time the photoelectric sensor 1061 passes, so as to zero the angle error, eliminate the accumulated angle error after long-time sample separation operation of the sample separation mechanism, ensure the sample separation precision of the sampling device and the stable reliability of long-term operation, and ensure that the sample separation mechanism still has high sample separation precision after being disassembled and reassembled by a user.
Referring to fig. 1 and 7, when the arm 105, the turntable funnel 102 and the shielding member 1062 rotate along with the shaft of the power source 101 to a position corresponding to the notch 10612 of the photoelectric sensor 1061, specifically, when the shielding member 1062 rotates into the notch 10612, the optical signal of the photoelectric sensor 1061 will change, if the arm is aligned with the bottle opening middle position of the No. 1 sample reserving bottle 202 (taking the No. 1 sample reserving bottle 202 as a reference bottle, of course, the reference bottle may also be other bottle number sample reserving bottles 202), the rotating angle γ can rotate to the bottle opening middle position of the next bottle number sample reserving bottle 202, where γ= (360 °)/N is the number of sample reserving bottles 202 evenly arranged circumferentially; if the support arm 105 is not aligned with the middle position of the bottle mouth of the sample-reserving bottle 202, parameter compensation can be set by software, so that the support arm 105 and the water outlet end of the flow-guiding pipe 104 are aligned with the middle position of the bottle mouth of the sample-reserving bottle 202, and then the rotation angle gamma can be rotated to the sample-reserving bottle 202 of the next bottle number, because the relative positions of the support arm 105 and the shielding piece 1062 are fixed, the position of the photoelectric sensor 1061 is also fixed, when the support arm 105, the turntable funnel 102 and the shielding piece 1062 rotate to the position corresponding to the notch 10612 of the photoelectric sensor 1061 along with the crankshaft of the power source 101, namely, when the shielding piece 1062 rotates to the notch 10612, the water outlet end of the flow-guiding pipe 104 rotates to the middle position of the bottle mouth of the sample-reserving bottle 202 according to the set compensation parameter, so that the accumulated angle error in the rotation process of the power source 101 can be automatically cleared, namely, the angle error can be automatically cleared when the sample-reserving bottle 202 rotates to the sample-reserving bottle 1 every time; it should be noted that, if the optical signal of the photoelectric sensor 1061 changes when the arm 105, the turntable funnel 102, and the shielding member 1062 rotate to the notch 10612 of the photoelectric sensor 1061 along with the axis of the power source 101, if the arm 105 is aligned to the middle position of the bottle mouth of the sample bottle 202, compensation is not required, and the compensation parameter is set to 0.
It can be understood that when the arm 105, the turntable funnel 102 and the shielding piece 1062 rotate along with the shaft of the power source 101 to the notch 10612 of the photoelectric sensor 1061, the optical signal of the photoelectric sensor 1061 changes from on to off, if the arm 105 is aligned with the middle position of the bottle mouth of the No. 1 sample bottle at this time, the arm can rotate to the next sample bottle number by the rotating angle γ, wherein γ=360 °/N, N is the number of sample bottles uniformly arranged in the circumferential direction; if the support arm 105 is not aligned with the middle position of the bottle mouth of the sample-reserving bottle No. 1, compensation parameters can be set through software parameters, the bottle mouth middle position of the sample-reserving bottle No. 1 can be aligned, then the rotation angle gamma can be rotated to the next sample-reserving bottle No. since the relative positions of the support arm 105 and the shielding piece 1062 are fixed, and the positions of the photoelectric sensor 1061 are also fixed, when the support arm 105, the turntable funnel 102 and the shielding piece 1062 rotate to the notch 10612 of the photoelectric sensor 1061 along with the power source 101, the accumulated angle errors of the power source 101 in the 360-degree rotation process can be automatically cleared, namely, the sample separation mechanism provided by the utility model can be calibrated once through the photoelectric sensor 1061 every time the shielding piece 1062 rotates.
Example 2
As shown in fig. 7, in some embodiments of the present utility model, an automatic water quality sampling apparatus includes: a sample separation mechanism as described in example 1; the water sampling unit 201 is fixedly connected with a frame (not numbered) and is arranged above the rotary disc funnel 102 of the sample separating mechanism; a plurality of sample bottles 202 are circumferentially distributed around the rotation axis of the rotary disk hopper 102.
As shown in fig. 7, in some embodiments of the present utility model, a conduit 2011 is disposed on the water collecting unit 201; one end of the conduit 2011 is communicated with the water sampling unit 201, and the other end is correspondingly arranged above the turntable funnel 102; it can be appreciated that, through the drainage effect of the pipe 2011, the water sample in the water sampling unit 201 can be drained to the turntable funnel 102, and the problem that the water sample in the water sampling unit 201 cannot splash due to falling from the high altitude when falling into the turntable funnel 102 can be avoided, so that the water sample is prevented from being wasted, and the water sample is prevented from wetting or polluting the internal environment of the equipment.
As shown in fig. 7, in some embodiments of the present utility model, the water sampling unit 201 is fixed outside the rack, and the pipe 2011 passes from outside the rack to the space inside the rack to dispense the water sample to the turntable funnel 102.
In some embodiments of the present utility model, the pipe diameter of the pipe 2011 is smaller than or equal to the caliber of the water outlet 1026 of the turntable funnel 102, which can limit the water inflow of the water sample in the turntable funnel 102, so that the water inflow is smaller than the water outflow, so as to avoid the problem that the water inflow is larger than the water outflow, and thus water overflow occurs.
It can be appreciated that the pipe diameter of the pipe 2011 and the caliber of the water outlet 1026 of the turntable funnel 102 can be selected and adjusted according to the practical application scenario.
In some embodiments of the present utility model, the automatic water quality sampling apparatus further comprises a refrigerator 203; as shown in fig. 7, in some embodiments of the present utility model, the rotary funnel 102, the flow guide 104, the support arm 105 and the sample bottle 202 are accommodated in the refrigerator 203, so as to achieve the refrigerated preservation effect of the samples. Specifically, the water sampling unit 201 is fixedly disposed at the top of the refrigerator 203, two through holes are disposed at the top of the refrigerator 203, and the rotating shaft 103 and the conduit 2011 in the sample separation mechanism respectively pass through the two through holes.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims. Furthermore, the foregoing description of the principles and embodiments of the utility model has been provided for the purpose of illustrating the principles and embodiments of the utility model and for the purpose of providing a further understanding of the principles and embodiments of the utility model, and is not to be construed as limiting the utility model.
Claims (14)
1. A divide appearance mechanism for a quality of water automatic sampling equipment, quality of water automatic sampling equipment includes adopts water unit and a plurality of sample bottle of reserving, its characterized in that, divide appearance mechanism includes:
a power source;
the rotary disc hopper is connected with and driven by the power source to rotate, the rotary disc hopper is provided with a chassis and a peripheral wall, the chassis is obliquely arranged, a water outlet is formed in the lowest position, and the peripheral wall is connected with the outer edge of the chassis in a surrounding mode;
the sample reserving bottles are circumferentially distributed on the rotating shaft of the rotary disc funnel, the water collecting unit is located above the rotary disc funnel, and water in the water collecting unit falls into the rotary disc funnel and flows into the water outlet to leave the rotary disc funnel and then is distributed to the sample reserving bottles.
2. The sample separating mechanism according to claim 1, wherein the rotary disc funnel is further provided with a first mounting hole;
the sample separating mechanism further comprises a rotating shaft, one end of the rotating shaft is fixedly connected with the crankshaft of the power source, and the other end of the rotating shaft is fixedly connected with the rotary disc funnel through the first mounting hole.
3. The sample separation mechanism of claim 2, further comprising a draft tube;
one end of the flow guide pipe is connected with the water outlet of the rotary disc funnel, and the port of the other end of the flow guide pipe is correspondingly arranged with the bottle mouth of the sample reserving bottle.
4. The sample separation mechanism of claim 3, further comprising a support arm;
one end of the support arm is fixedly connected to the chassis of the rotary disc funnel, the other end of the support arm deviates from the chassis and faces the sample reserving bottle to extend, and the support arm is fixedly connected to one end of the flow guiding pipe, which is arranged corresponding to the bottle mouth of the sample reserving bottle.
5. The sample separation mechanism according to claim 4, wherein the first mounting hole penetrates through the chassis, a second mounting hole is formed in one end, fixedly connected with the chassis, of the support arm, the second mounting hole is arranged corresponding to the first mounting hole, and the rotating shaft sequentially penetrates through the first mounting hole and the second mounting hole.
6. The sample separating mechanism according to claim 5, wherein a butt joint hole is formed in one end of the rotating shaft fixedly connected with the shaft of the power source, the shaft of the power source is inserted into the butt joint hole, the butt joint hole is a D-shaped hole, and the cross section of the shaft of the power source is a D-shaped surface;
a fixing hole is further formed in one end, fixedly connected with the crankshaft, of the power source, of the rotating shaft, the fixing hole penetrates through the rotating shaft in the radial direction of the rotating shaft and is communicated with the butt joint hole, and a set screw is arranged in the fixing hole to fix the rotating shaft and the crankshaft;
the cross section of the part, fixedly connected with the rotary table funnel, of the rotary shaft is a D-shaped surface, the cross section of the part, fixedly connected with the support arm, of the rotary shaft is a D-shaped surface, and the first mounting hole and the second mounting hole are both D-shaped holes;
the power source is a stepping motor with double-shaft output;
the rotary table funnel comprises a rotary table funnel body, wherein a water outlet of the rotary table funnel body penetrates through the rotary table funnel body, and one end of a flow guide pipe is sleeved on the outer peripheral surface of the rotary table funnel body.
7. The sample separation mechanism of any one of claims 2-6, wherein the orthographic projection of the chassis is circular, and the first mounting hole is located at a center of the chassis.
8. The sample separation mechanism according to claim 5, wherein the support arm comprises a first section, a second section and a third section which are connected in sequence, the first section is close to the chassis, and the third section is close to the sample retention bottle;
the included angle between the first section and the second section is alpha, the included angle between the second section and the third section is beta, alpha and beta are coplanar angles, alpha epsilon (90 degrees, 180 degrees), beta epsilon (90 degrees, 180 degrees) and the included angle between the angular bisector of alpha and the angular bisector of beta is more than 0 degrees and not more than 90 degrees;
the middle section of honeycomb duct in proper order with second section and third section laminating set up.
9. The sample separating mechanism according to claim 8, wherein a fixing part is arranged on the second section of the support arm;
the fixed part is provided with a perforation in a penetrating way, and the honeycomb duct passes through the perforation to be fixed with the support arm;
and a through hole is further formed in the third section of the support arm in a penetrating mode, and the flow guide pipe penetrates through the through hole from one side, close to the rotary disc funnel, of the support arm to one side, away from the rotary disc funnel, of the support arm.
10. The sample separating mechanism according to claim 8, wherein a boss is arranged on one side of the chassis of the rotary disc funnel, which is away from the water sampling unit, and the first mounting hole penetrates through the chassis and the boss;
the support arm also comprises a fourth section, the fourth section is connected to one end of the first section, which is away from the second section, and the shape and the size of the boss are matched with those of the fourth section of the support arm.
11. The sample separating mechanism according to claim 8, wherein the support arm is provided with a reinforcing rib;
the reinforcing rib is arranged on one side of the support arm, which is away from the flow guide pipe, and extends along the longitudinal direction of the support arm
Or, the reinforcing ribs comprise two reinforcing ribs, the reinforcing ribs are arranged on one side, close to the flow guide pipe, of the support arm and extend along the longitudinal direction of the support arm, and the flow guide pipe is clamped between the two reinforcing ribs.
12. The sample separation mechanism of claim 4, further comprising a photo-sensing assembly, the photo-sensing assembly comprising:
the photoelectric sensor is fixedly arranged on the automatic water quality sampling equipment and is provided with two bulges which are oppositely arranged along the axial direction of the rotating shaft and form a notch;
the shielding piece is fixedly connected and driven to rotate by one of the rotating shaft and the crankshaft of the power source, and the extending direction of the shielding piece is matched with the extending direction of the support arm;
wherein one of the projections emits light and is received by the other projection, and the shield rotates into the slot and shields the light.
13. An automatic water sampling apparatus, the apparatus comprising:
the sample separation mechanism of any one of claims 1-12;
the water sampling unit is arranged above the rotary disc funnel of the sample separating mechanism;
the sample reserving bottles are circumferentially distributed on the rotating shaft of the rotary disc funnel.
14. The automatic water sampling device according to claim 13, wherein a conduit is provided on the water sampling unit;
one end of the guide pipe is communicated with the water collecting unit, and the other end of the guide pipe is correspondingly arranged above the rotary disc funnel;
the pipe diameter of the guide pipe is smaller than or equal to the caliber of the water outlet of the rotary disc funnel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202223257941.2U CN219142367U (en) | 2022-11-30 | 2022-11-30 | Sample separating mechanism and automatic water quality sampling equipment |
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| CN202223257941.2U CN219142367U (en) | 2022-11-30 | 2022-11-30 | Sample separating mechanism and automatic water quality sampling equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117074097A (en) * | 2023-08-28 | 2023-11-17 | 浙江环茂自控科技有限公司 | Treatment device for water distribution of rotating arm |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117074097A (en) * | 2023-08-28 | 2023-11-17 | 浙江环茂自控科技有限公司 | Treatment device for water distribution of rotating arm |
| CN117074097B (en) * | 2023-08-28 | 2024-03-19 | 浙江环茂自控科技有限公司 | Treatment device for water distribution of rotating arm |
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