CN212432299U

CN212432299U - Portable flowmeter calibration equipment

Info

Publication number: CN212432299U
Application number: CN202021541541.2U
Authority: CN
Inventors: 巴忠磊; 李琦
Original assignee: Guangzhou Suyuan Power Equipment Co ltd
Current assignee: Guangzhou Suyuan Power Equipment Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-01-29
Anticipated expiration: 2030-07-29

Abstract

The utility model discloses a portable flowmeter calibration device, in particular to the technical field of flowmeter calibration, comprising a flowmeter, wherein a calibration mechanism is arranged outside the flowmeter; the calibration mechanism comprises a first transparent water tank, a floating plate is arranged inside the first transparent water tank, two vertical rods are fixedly arranged at the top of the floating plate, a transverse rod is fixedly arranged at the top end of each vertical rod, a touch switch is arranged at the bottom of the transverse rod, an electronic stopwatch is arranged on one side of the touch switch, a first vertical pipe is fixedly arranged at the bottom of the floating plate, a second vertical pipe is arranged at the bottom of the first vertical pipe, and a second transparent water tank is fixedly arranged at the bottom end of the second vertical pipe. The utility model discloses an utilize first water tank, second water tank and electron stopwatch to calculate the flow of liquid to compare its numerical value with the instruction of flowmeter, with the determination flow meter whether has the error, make it not receive the influence of other flowmeters, and need not to insert the flowmeter in the water pipeline, make the operation more convenient.

Description

Portable flowmeter calibration equipment

Technical Field

The embodiment of the utility model provides a relate to flowmeter check-up technical field, concretely relates to portable flowmeter check-up device.

Background

The flow meter is defined as: meters that indicate the measured flow rate and/or the total amount of fluid in a selected time interval, simply meter meters of the type used to measure the flow rate of fluid in a pipe or open channel, need to be calibrated before use to prevent misalignment from affecting the measurement.

In the prior art, two flowmeters of the same type are needed in the process of calibrating the flowmeters, but once the errors of the two flowmeters are consistent, whether the flowmeters are accurate or not is difficult to detect, and the flowmeters need to be connected into a water pipeline in the process of checking, so that the flowmeters cannot be detected at any time.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a portable flowmeter verifying attachment calculates the flow of liquid through utilizing first water tank, second water tank and electronic stopwatch to compare its numerical value with the instruction of flowmeter, whether have the error with the determinand flowmeter, make it not receive the influence of other flowmeters, and need not to insert the flowmeter in the water pipeline, make the operation more convenient, in order to solve among the prior art because the unanimous influence testing result and the inconvenient problem of operation that leads to of two flowmeter errors.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: a portable flowmeter calibration device comprises a flowmeter, wherein a calibration mechanism is arranged outside the flowmeter;

the checking mechanism comprises a first transparent water tank arranged at the top of the flowmeter, a floating plate is arranged in the first transparent water tank, two vertical rods are fixedly arranged at the top of the floating plate, the vertical rods are arranged in the first transparent water tank and penetrate through the first transparent water tank to extend out of the top of the first transparent water tank, a cross bar is fixedly arranged at the top end of the vertical bar, a light touch switch is arranged at the bottom of the cross bar, the light touch switch is fixedly arranged at the top of the first transparent water tank, an electronic stopwatch is arranged on one side of the light touch switch and is fixedly connected with the top of the first transparent water tank, a first vertical pipe is fixedly arranged at the bottom of the floating plate, an electromagnetic valve is fixedly arranged at the outer end of the first vertical pipe, the flowmeter is arranged at the bottom of the first vertical pipe, a second vertical pipe is arranged at the bottom of the first vertical pipe, the second vertical pipe is arranged at the bottom of the flowmeter, and a second transparent water tank is fixedly arranged at the bottom end of the second vertical pipe.

Further, first standpipe bottom end fixing is equipped with the first joint, flowmeter one end is established inside the first joint, flowmeter one end passes through threaded connection with the first joint, the fixed second that is equipped with in second standpipe top connects, the flowmeter is established at second joint top, the flowmeter other end is established inside the second joint, the flowmeter other end passes through threaded connection with the second joint.

Furthermore, a water outlet pipe is fixedly arranged on one side of the second transparent water tank, and a switch valve is fixedly arranged on the outer end of the water outlet pipe.

Further, the outer end of the vertical rod is provided with a nut, the nut is arranged at the top of the first transparent water tank, and the nut is connected with the vertical rod through threads.

Further, a water inlet pipe is fixedly arranged at the top of the first transparent water tank, and the water inlet pipe is arranged on one side of the vertical rod.

Further, first transparent water tank both sides all are fixed and are equipped with the diaphragm, the diaphragm bottom is fixed and is equipped with two bracing pieces, bracing piece bottom and the transparent water tank top fixed connection of second, first standpipe, flowmeter and second standpipe are established between a plurality of bracing pieces.

Furthermore, the front side of the second transparent water tank 12 is provided with scale marks.

The embodiment of the utility model provides a have following advantage:

the utility model discloses an install the flowmeter between first joint and second joint, make the liquid in the first water tank flow into the second water tank inside through first standpipe, solenoid valve, flowmeter and second standpipe, make the flowmeter can measure the size of the inside liquid flow of first standpipe and second standpipe, then can utilize the scale mark of second water tank outside to confirm the volume of liquid, simultaneously can also calculate the volume of liquid through the reading of electron stopwatch and the index of flowmeter, then make it compare with the numerical value that the scale mark shows, thus can confirm whether the flowmeter has the error, whole testing process need not to use other flowmeters and operate more conveniently, compared with the prior art, the influence of other flowmeters to the testing result has effectively been avoided, thus can ensure the accuracy of testing result, and need not to insert the utility model into the pipeline, so that the operation of the utility model is more convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic view of the overall structure provided by the present invention;

fig. 2 is a cross-sectional view provided by the present invention;

fig. 3 is a side view provided by the present invention;

fig. 4 is an enlarged view of a in fig. 3 according to the present invention;

fig. 5 is a perspective view of the floating plate and the vertical rod provided by the present invention.

In the figure: 1 first transparent water tank, 2 kickboards, 3 montants, 4 horizontal poles, 5 dabs the switch, 6 electronic stopwatches, 7 first standpipe, 8 solenoid valves, 9 first joints, 10 second joints, 11 second standpipe, 12 second transparent water tank, 13 outlet pipes, 14 nuts, 15 inlet tubes, 16 flowmeters, 17 horizontal boards, 18 bracing pieces.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.

Referring to fig. 1-5 of the specification, the portable flowmeter verification device of the embodiment comprises a flowmeter 16, wherein a verification mechanism is arranged outside the flowmeter 16;

the checking mechanism comprises a first transparent water tank 1, the first transparent water tank 1 is arranged at the top of a flowmeter 16, a floating plate 2 is arranged inside the first transparent water tank 1, two vertical rods 3 are fixedly arranged at the top of the floating plate 2, the vertical rods 3 are arranged inside the first transparent water tank 1 and penetrate through the first transparent water tank 1 to extend out of the top of the first transparent water tank 1, cross rods 4 are fixedly arranged at the top ends of the vertical rods 3, a tact switch 5 is arranged at the bottom of each cross rod 4, the tact switch 5 is fixedly arranged at the top of the first transparent water tank 1, an electronic stopwatch 6 is arranged on one side of the tact switch 5, the electronic stopwatch 6 is fixedly connected with the top of the first transparent water tank 1, a first vertical pipe 7 is fixedly arranged at the bottom of the floating plate 2, an electromagnetic valve 8 is fixedly arranged at the outer end of the first vertical pipe 7, the flowmeter 16 is arranged at the bottom of the first vertical, the second vertical pipe 11 is arranged at the bottom of the flowmeter 16, and a second transparent water tank 12 is fixedly arranged at the bottom end of the second vertical pipe 11.

Further, the fixed first joint 9 that is equipped with in first standpipe 7 bottom, flowmeter 16 one end is established inside first joint 9, flowmeter 16 one end passes through threaded connection with first joint 9, the fixed second joint 10 that is equipped with in second standpipe 11 top, flowmeter 16 establishes at the second joint 10 top, the flowmeter 16 other end is established inside second joint 10, the flowmeter 16 other end passes through threaded connection with second joint 10, be convenient for insert flowmeter 16 between first standpipe 7 and the second standpipe 11.

Further, a water outlet pipe 13 is fixedly arranged on one side of the second transparent water tank 12, and a switch valve is fixedly arranged at the outer end of the water outlet pipe 13, so that liquid in the second transparent water tank 12 can be conveniently discharged.

Further, the outer end of the vertical rod 3 is provided with a nut 14, the nut 14 is arranged at the top of the first transparent water tank 1, and the nut 14 is in threaded connection with the vertical rod 3, so that the position of the vertical rod 3 can be fixed.

Further, a water inlet pipe 15 is fixedly arranged at the top of the first transparent water tank 1, and the water inlet pipe 15 is arranged on one side of the vertical rod 3, so that water can be conveniently injected into the first transparent water tank 1.

Further, 1 both sides of first transparent water tank are all fixed and are equipped with diaphragm 17, diaphragm 17 bottom is fixed and is equipped with two

bracing pieces

18, 18 bottom and the transparent water tank 12 top fixed connection of second of bracing piece, first standpipe 7, flowmeter 16 and second standpipe 11 are established between a plurality of bracing pieces 18, are favorable to fixing first transparent water tank 1 at the top of the transparent water tank 12 of second.

Furthermore, the front side of the second transparent water tank 12 is provided with scale marks, which is convenient for reading the volume of the liquid in the second transparent water tank 12.

The implementation scenario is specifically as follows: when the utility model is used, the vertical rod 3 needs to be moved upwards first, the floating plate 2 is driven to move upwards by the vertical rod 3, so that the top of the floating plate 2 can be contacted with the top end inside the first transparent water tank 1, then the nut 14 can be screwed down to fix the position of the vertical rod 3, so that the position of the floating plate 2 can be fixed, then a proper amount of water can be injected into the first transparent water tank 1 through the water inlet pipe 15, so that the floating plate 2 can float on the water surface, then the nut 14 can be unscrewed, then the flowmeter 16 can be connected between the first connector 9 and the second connector 10, so that the flowmeter 16 can measure the flow of the liquid passing through the first vertical pipe 7 and the second vertical pipe 11, then the tact switch 5 can be manually opened, so that the electronic stopwatch 6 and the electromagnetic valve 8 controlled by the tact switch 5 are simultaneously opened, after the electromagnetic valve 8 is opened, the liquid inside the first transparent water tank 1 can enter the first, the liquid passes through the flowmeter 16 through the first vertical pipe 7 and moves to the inside of the second vertical pipe 11, and then moves to the inside of the second transparent water tank 12 through the second vertical pipe 11, wherein the flowmeter 16 can measure and display the flow of the liquid in the process that the liquid passes through the flowmeter 16, at the moment, the numerical value displayed by the flowmeter 16 needs to be recorded, and meanwhile, the electronic stopwatch 6 starts to time after being opened, when the liquid in the first transparent water tank 1 gradually decreases, the water surface in the first transparent water tank 1 gradually decreases, then the water surface drives the floating plate 2 to move downwards, then the floating plate 2 moves to drive the vertical rods 3 to move downwards, and the cross rods 4 are driven to move downwards through the vertical rods 3, when the bottom of the floating plate 2 is contacted with the bottom end in the first transparent water tank 1, the liquid in the first transparent water tank 1 can all move to the inside of the second transparent water tank 12, then the bottom of the cross bar 4 will contact with the tact switch 5, so as to close the tact switch 5, and the electronic stopwatch 6 and the electromagnetic valve 8 controlled by the tact switch 5 will be closed, so as to finish timing, and the volume of the liquid inside the second transparent water tank 12 can be read out by the scale mark on the front side of the second transparent water tank 12, then the value displayed by the electronic stopwatch 6 can be multiplied by the value displayed by the flowmeter 16 to obtain a calculated value of the volume of the liquid, and then the calculated value is compared with the value displayed by the scale mark, if they are consistent, it indicates that there is an error in the flowmeter 16, and on the contrary, there is an error in the flowmeter 16, so as to verify the error of the flowmeter 16, and the verification process will not be affected by other flowmeters, so as to ensure the stability of the verification result, and it is not necessary to connect the present invention into the water pipeline, thereby can make things convenient for people to utilize at any time the utility model discloses check-up flowmeter 16, effectual improvement the utility model discloses a novel convenience, this embodiment has specifically solved among the prior art because the unanimous influence testing result and the inconvenient problem of operation that leads to of two flowmeter errors.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. A portable flow meter verification device comprising a flow meter (16), characterized by: a checking mechanism is arranged outside the flowmeter (16);

the checking mechanism comprises a first transparent water tank (1), the first transparent water tank (1) is arranged at the top of a flow meter (16), a floating plate (2) is arranged inside the first transparent water tank (1), two vertical rods (3) are fixedly arranged at the top of the floating plate (2), the vertical rods (3) are arranged inside the first transparent water tank (1) and penetrate through the first transparent water tank (1) to extend out of the top of the first transparent water tank (1), a cross rod (4) is fixedly arranged at the top end of the vertical rods (3), a tact switch (5) is arranged at the bottom of the cross rod (4), the tact switch (5) is fixedly arranged at the top of the first transparent water tank (1), an electronic stopwatch (6) is arranged on one side of the tact switch (5), the electronic stopwatch (6) is fixedly connected with the top of the first transparent water tank (1), a first vertical pipe (7) is fixedly arranged at the bottom of the floating plate, first standpipe (7) outer end is fixed and is equipped with solenoid valve (8), establish in first standpipe (7) bottom flowmeter (16), first standpipe (7) bottom is equipped with second standpipe (11), establish in flowmeter (16) bottom second standpipe (11), second standpipe (11) bottom mounting is equipped with second transparent water tank (12).

2. The portable flowmeter verification device of claim 1, wherein: first standpipe (7) bottom mounting is equipped with first joint (9), flowmeter (16) one end is established inside first joint (9), flowmeter (16) one end passes through threaded connection with first joint (9), second standpipe (11) top is fixed and is equipped with second joint (10), establish at second joint (10) top flowmeter (16), establish inside second joint (10) flowmeter (16) other end, flowmeter (16) other end passes through threaded connection with second joint (10).

3. The portable flowmeter verification device of claim 1, wherein: a water outlet pipe (13) is fixedly arranged on one side of the second transparent water tank (12), and a switch valve is fixedly arranged at the outer end of the water outlet pipe (13).

4. The portable flowmeter verification device of claim 1, wherein: the outer end of the vertical rod (3) is provided with a nut (14), the nut (14) is arranged at the top of the first transparent water tank (1), and the nut (14) is connected with the vertical rod (3) through threads.

5. The portable flowmeter verification device of claim 1, wherein: a water inlet pipe (15) is fixedly arranged at the top of the first transparent water tank (1), and the water inlet pipe (15) is arranged on one side of the vertical rod (3).

6. The portable flowmeter verification device of claim 1, wherein: first transparent water tank (1) both sides all are fixed and are equipped with diaphragm (17), diaphragm (17) bottom is fixed and is equipped with two bracing pieces (18), bracing piece (18) bottom and second transparent water tank (12) top fixed connection, establish between a plurality of bracing pieces (18) first standpipe (7), flowmeter (16) and second standpipe (11).

7. The portable flowmeter verification device of claim 1, wherein: the front side of the second transparent water tank (12) is provided with scale marks.