CN217716519U

CN217716519U - High-precision photoelectric liquid flow metering device

Info

Publication number: CN217716519U
Application number: CN202220173738.8U
Authority: CN
Inventors: 冯正
Original assignee: Jiangsu Boruisi Scientific Research Instrument Co ltd
Current assignee: Jiangsu Boruisi Scientific Research Instrument Co ltd
Priority date: 2022-01-22
Filing date: 2022-01-22
Publication date: 2022-11-01
Anticipated expiration: 2032-01-22

Abstract

The utility model relates to a liquid flow measurement field discloses a high accuracy photoelectricity liquid flow metering device, which comprises a mounting bas, chi head right side is provided with the vernier, the vernier top is connected with photoelectric sensor through the spliced pole, photoelectric sensor sliding connection is in the glass pipe periphery, vernier fixed connection is at the slider left end, the slider front portion is provided with the display screen. The utility model discloses in, adopt photoelectric sensor response liquid to flow to the time point of setting for the position, eliminate the people for timing error, primary importance and second position are same photoelectric sensor simultaneously, thereby eliminated photoelectric sensor's the different error of individual difference response starting point position to through the outage button on the photoelectric sensor, when removing the second position from the primary importance, press the outage button, reduce photoelectric sensor and miss the response in the removal, thereby can realize the assurance to the precision of measurement result.

Description

High-precision photoelectric liquid flow metering device

Technical Field

The utility model relates to a liquid flow measurement field especially relates to a high accuracy photoelectricity liquid flow metering device.

Background

In a core flow/displacement experiment, the flow of part of liquid flowing through a core or displaced is extremely low, the conventional commercially available volume flow meter is difficult to accurately measure the liquid flow rate below 1ml/min, a balance weighing method or a measuring cylinder direct volume reading method is usually adopted in a laboratory, the balance weighing method is to obtain the volume by dividing the weight of the produced liquid by the density, the method is an indirect measuring method, the density of the displaced produced liquid is usually unstable, the measuring error is large, the measuring cylinder direct reading method is to divide the measured volume by time because a certain volume needs to be accurately measured, the measuring time is long, and the manually-read flow and the manually-read time have certain deviation, the corresponding relation between the two methods is manually judged, the reliability of the calculated result is poor, and therefore, the liquid flow measuring device is needed.

In the process of using the liquid flow metering device, the existing liquid flow metering device in the current market often has two shortcomings when in use, firstly, the existing liquid flow metering device often can not realize the guarantee of the precision of the metering result when in use, and secondly, the existing liquid flow metering device often can not realize the quick replacement of the glass tube when in use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high-precision photoelectric liquid flow metering device.

In order to realize the purpose, the utility model adopts the following technical scheme: a high-precision photoelectric liquid flow metering device comprises an installation seat, wherein a timer is fixedly connected to the left side of the top end of the installation seat, fixed blocks are fixedly connected to the left side and the right side of the inner upper wall of the front side of the installation seat, uniformly distributed cavities are formed in the fixed blocks, fixed columns penetrate through the cavities, limiting rings penetrate through and are connected with the peripheries of the fixed columns in a sliding mode, the limiting rings are fixedly connected to the interiors of the cavities, sliding rings are fixedly connected to the peripheries of the fixed columns, the sliding rings are connected to the interiors of the cavities in a sliding mode, springs are arranged between the sliding rings and the limiting rings, clamping blocks are fixedly connected to one ends, far away from the cavities, of the fixed columns, the utility model discloses a micrometer caliper, including the installation seat, the clamp splice all sets up inside the dead eye, the inside glass pipe that all is provided with of dead eye, the left fixed block bottom fixedly connected with stopper of installation seat, stopper left end fixedly connected with locating piece, the locating piece block is inside the micrometer head, micrometer head fixed connection is in micrometer periphery left side, both ends all block is inside the draw-in groove about the micrometer, the draw-in groove all sets up the one side that is close to mutually on fixture block upper portion, micrometer head right side is provided with the vernier, the vernier top is connected with photoelectric sensor through the spliced pole, photoelectric sensor sliding connection is in glass pipe periphery, vernier fixed connection is at the slider left end, the slider front portion is provided with the display screen.

As a further description of the above technical solution:

the photoelectric sensor is electrically connected with the timer.

As a further description of the above technical solution:

the slider is connected to the periphery of the micrometer in a sliding mode.

As a further description of the above technical solution:

the fixture blocks are fixedly connected to the left side and the right side of the inner wall of the front side of the mounting seat.

As a further description of the above technical solution:

the clamping blocks are attached to the periphery of the glass tube.

As a further description of the above technical solution:

the springs are all arranged inside the cavity.

As a further description of the above technical solution:

the springs are all sleeved on the peripheries of the fixing columns.

As a further description of the above technical solution:

the hollow holes penetrate through the fixing blocks.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first place the vernier on the micrometer in the initial position, with micrometer reading zero clearing, insert again and wait to measure liquid, when the initial position of starting point flows through, photoelectric sensor gives a pulse signal of timer, make the timer begin to time, press the outage button on the photoelectric sensor this moment, remove photoelectric sensor to mark the position in advance, when liquid flows through mark the position in advance, photoelectric sensor stops the timing for a pulse signal of timer, through cross-sectional area micrometer reading/time in the glass pipe, calculate the liquid flow, adopt photoelectric sensor response liquid stream to the moment point of setting for the position, eliminate artificial timing error, primary importance and secondary importance are same photoelectric sensor simultaneously, thereby the individual difference of photoelectric sensor has been eliminated responds to the different errors in starting point position, and through the outage button on the photoelectric sensor, when removing the secondary importance from the primary importance, press the outage button, reduce photoelectric sensor and miss the response in the removal, thereby can realize the assurance to the precision of measurement result, be particularly suitable for stabilizing, the liquid flow measurement of low discharge, high precision, convenient and fast.

2. The utility model discloses in, be provided with the cavity in the inside of fixed block, when using, insert the inside dead eye of fixed block with the glass pipe, can carry out the centre gripping with the glass pipe through the inside clamp splice of dead eye, can provide clamping-force for the clamp splice through the inside spring of cavity, thereby can realize stably fixing to the glass pipe, when needs are changed the glass pipe, can extract the glass pipe hard, change the glass pipe, high convenience and fast, be favorable to people to use, make it can realize the glass pipe of the different internal diameters of quick replacement, thereby can adjust flow measurement range and precision, high convenience and fast, therefore, the carrier wave prepaid electric energy meter is low in cost.

Drawings

Fig. 1 is a perspective view of a high-precision photoelectric liquid flow metering device provided by the present invention;

fig. 2 is a cross-sectional view of a high-precision photoelectric liquid flow meter according to the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

Illustration of the drawings:

1. a mounting seat; 2. a timer; 3. a photoelectric sensor; 4. a glass tube; 5. a clamping block; 6. a micrometer; 7. a ruler head; 8. a cursor; 9. a display screen; 10. a card slot; 11. a fixed block; 12. a cavity; 13. fixing a column; 14. connecting columns; 15. a slider; 16. a void; 17. a clamping block; 18. a limiting block; 19. positioning blocks; 20. a slip ring; 21. a limiting ring; 22. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a high-precision photoelectric liquid flow metering device comprises a mounting seat 1, a timer 2 is fixedly connected to the left side of the top end of the mounting seat 1, fixed blocks 11 are fixedly connected to the left side and the right side of the inner upper wall of the front side of the mounting seat 1, uniformly distributed cavities 12 are arranged in the fixed blocks 11, fixed columns 13 penetrate through the cavities 12, limiting rings 21 penetrate through the peripheries of the fixed columns 13 and are connected with the peripheries of the limiting rings 21 in a sliding mode, the limiting rings 21 are fixedly connected to the interiors of the cavities 12, sliding rings 20 are fixedly connected to the peripheries of the fixed columns 13, the sliding rings 20 are connected to the interiors of the cavities 12 in a sliding mode, springs 22 are arranged between the sliding rings 20 and the limiting rings 21, clamping force can be provided for the clamping blocks 17 through the springs 22 in the cavities 12, the clamping blocks 17 are fixedly connected to one ends of the fixed columns 13 far away from the cavities 12, the clamping blocks 17 are arranged in the cavities 16, glass tubes 4 are arranged in the cavities 16, when the device is used, the glass tube 4 is inserted into the hollow hole 16 in the fixed block 11, the glass tube 4 can be clamped through the clamping block 17 in the hollow hole 16, the clamping force can be provided for the clamping block 17 through the spring 22 in the cavity 12, so that the stable fixation of the glass tube 4 can be realized, when the glass tube 4 needs to be replaced, the glass tube 4 can be pulled out forcibly, the glass tube 4 can be replaced, the use is convenient and quick, the glass tube 4 can be replaced by people, the glass tube 4 with different inner diameters can be replaced quickly, the flow measurement range and precision can be adjusted, the convenience and the quickness are realized, the cost is low, the bottom end of the fixed block 11 on the left side of the mounting seat 1 is fixedly connected with the limiting block 18, the left end of the limiting block 18 is fixedly connected with the positioning block 19, the positioning block 19 is clamped in the ruler head 7, the ruler head 7 is fixedly connected on the left side of the periphery of the micrometer 6, the positioning block 19 and the limiting block 18 can be used for positioning and limiting the ruler head 7, thereby can make the measuring result more accurate, micrometer 6 is all blocked inside draw-in groove 10 in both ends about, draw-in groove 10 all sets up the one side that 5 upper portions of fixture block are close to mutually, can fix micrometer 6 through fixture block 5, can avoid the error because of rocking the production when using, chi head 7 right side is provided with vernier 8, vernier 8 top is connected with photoelectric sensor 3 through spliced pole 14, photoelectric sensor 3 sliding connection is in glass pipe 4 periphery, vernier 8 fixed connection is at the slider 15 left end, slider 15 front portion is provided with display screen 9, display screen 9 is used for showing vernier 8 and removes the length, place vernier 8 on micrometer 6 in the initial position, reset micrometer 6 reading, the liquid that waits to measure, when flowing through the initial position of starting point, photoelectric sensor 3 gives 2 a pulse signal of time-recorder, make time-recorder 2 begin to time-recorder, press the outage button on photoelectric sensor 3 this moment, remove photoelectric sensor 3 to the mark position in advance, when liquid flow through the mark position in advance, photoelectric sensor 3 stops the timing for time-recorder 2 pulse signal, through the interior sectional area of glass pipe 4, micrometer 6/the liquid flow calculation reading.

Photoelectric sensor

3 and 2 electric connection of time-recorder, slider 15 sliding connection is in micrometer 6 periphery, adopt photoelectric sensor 3 response liquid to flow to the time point of setting for the position, eliminate artificial timing error, simultaneously primary importance and second place are same photoelectric sensor 3, thereby photoelectric sensor 3's individual difference response error that the initial point position is different has been eliminated, and through the outage button on photoelectric sensor 3, when moving from the primary importance to the second place, press the outage button, reduce photoelectric sensor 3 and missense in the removal, thereby can realize the assurance to the precision of measurement result, be particularly suitable for stably, the liquid flow measurement of low flow, the precision is high, and is convenient and fast, fixture block 5 all fixed connection is in mount pad 1 front side inner wall left and right sides, clamp block 17 all laminates in glass pipe 4 periphery, spring 22 all sets up inside cavity 12, spring 22 all overlaps and establishes in fixed column 13 periphery, cavity 16 all runs through fixed block 11, when using, insert glass pipe 4 in the inside cavity 16 in hole 16, can carry out the centre gripping with glass pipe 4 through the inside clamp block 17, can provide the inside spring 12 through cavity 12, thereby can be stable to stable clamp block 17 is realized to glass pipe 4.

The working principle is as follows: firstly, a vernier 8 on a micrometer 6 is placed at an initial position, the reading of the micrometer 6 is cleared, then liquid to be measured is accessed, when the liquid flows through the initial position of the starting point, a pulse signal is given to a timer 2 by a photoelectric sensor 3, the timer 2 starts timing, a power-off button on the photoelectric sensor 3 is pressed at the moment, the photoelectric sensor 3 is moved to a pre-marked position, when the liquid flows through the pre-marked position, the time is stopped by the photoelectric sensor 3 giving the timer 2 a pulse signal, the liquid flow is calculated by reading/time of the micrometer 6 with the sectional area in a glass tube 4, the moment when the liquid flows to the set position is sensed by the photoelectric sensor 3, the artificial timing error is eliminated, meanwhile, the first position and the second position are the same photoelectric sensor 3, the error caused by different individuals of the photoelectric sensor 3 and different positions of the starting point is sensed, and the power-off button on the photoelectric sensor 3 is used, when the glass tube 4 is required to be replaced, the glass tube 4 can be pulled out by force to replace the glass tube 4, which is convenient and quick and is beneficial to people to use, so that the glass tube 4 with different inner diameters can be replaced quickly and quickly, therefore, the flow metering range and precision can be adjusted, and the method is convenient and quick and has low cost.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a high accuracy photoelectricity liquid flow metering device, includes mount pad (1), its characterized in that: the left side of the top end of the mounting seat (1) is fixedly connected with a timer (2), the left side and the right side of the inner upper wall of the front side of the mounting seat (1) are fixedly connected with fixed blocks (11), uniformly distributed cavities (12) are arranged in the fixed blocks (11), fixed columns (13) penetrate through the cavities (12), limiting rings (21) penetrate through the peripheries of the fixed columns (13) and are connected with the limiting rings in a sliding mode, the limiting rings (21) are fixedly connected inside the cavities (12), sliding rings (20) are fixedly connected on the peripheries of the fixed columns (13), the sliding rings (20) are connected inside the cavities (12) in a sliding mode, springs (22) are arranged between the sliding rings (20) and the limiting rings (21), clamping blocks (17) are fixedly connected to one ends, far away from the cavities (12), of the fixed columns (13), the clamping blocks (17) are arranged inside the cavities (16), glass tubes (4) are arranged inside the cavities (16), the bottom end of the left side of the mounting seat (1) is fixedly connected with a fixed block (18), the left side of the positioning block (18) is fixedly connected with a micrometer head (7), and the micrometer head (7) is fixedly connected to the left side, micrometer (6) are controlled the equal block in both ends and are inside draw-in groove (10), draw-in groove (10) all set up the one side that is close to mutually on fixture block (5) upper portion, chi head (7) right side is provided with vernier (8), vernier (8) top is connected with photoelectric sensor (3) through spliced pole (14), photoelectric sensor (3) sliding connection is in glass pipe (4) periphery, vernier (8) fixed connection is in slider (15) left end, slider (15) front portion is provided with display screen (9).

2. A high precision electro-optical liquid flow meter as claimed in claim 1, wherein: the photoelectric sensor (3) is electrically connected with the timer (2).

3. The high-precision photoelectric liquid flow metering device according to claim 1, characterized in that: the sliding block (15) is connected to the periphery of the micrometer (6) in a sliding mode.

4. The high-precision photoelectric liquid flow metering device according to claim 1, characterized in that: the fixture blocks (5) are fixedly connected to the left side and the right side of the inner wall of the front side of the mounting seat (1).

5. The high-precision photoelectric liquid flow metering device according to claim 1, characterized in that: the clamping blocks (17) are attached to the periphery of the glass tube (4).

6. A high precision electro-optical liquid flow meter as claimed in claim 1, wherein: the springs (22) are all arranged inside the cavity (12).

7. The high-precision photoelectric liquid flow metering device according to claim 1, characterized in that: the springs (22) are all sleeved on the periphery of the fixing column (13).

8. The high-precision photoelectric liquid flow metering device according to claim 1, characterized in that: the hollow holes (16) penetrate through the fixing block (11).