CN212843884U - Portable electromagnetic flow calibrator - Google Patents

Abstract

The utility model discloses a portable electromagnetic flow check gauge, including the box and with the case lid of the rear side top rotation connection of box, be equipped with the fixed plate in the bottom of box, be equipped with the fixing base on the fixed plate, be equipped with the flow meter on the fixing base, the both ends of flow meter are equipped with inlet pipeline and outlet pipeline respectively, the position department that corresponds inlet pipeline and outlet pipeline on the box is equipped with first through-hole and second through-hole respectively, still be equipped with the control module who is connected with the flow meter electricity on the fixed plate, portable electromagnetic flow check gauge still includes the apron that covers in flow meter and control module upper end, be equipped with the opening in the position department that corresponds the control module on the apron; the utility model discloses portable electromagnetic flow check gauge has small, simple structure, can adapt to the check-up environment of multiple difference to easily accomodate, conveniently carry.

Description

Portable electromagnetic flow calibrator

Technical Field

The utility model relates to a metering device technical field, concretely relates to portable electromagnetic flow check gauge.

Background

At present, when the flow velocity of a water body is measured, the adopted flow velocity meters are more in types and mainly comprise an ultrasonic flow meter, a rotary cup type (mechanical type) flow meter, a Doppler flow meter and an electromagnetic flow meter, wherein the accuracy and the durability of the ultrasonic flow meter and the rotary cup type flow meter are poor, the Doppler flow meter is expensive, the requirement on a test environment is strict, and the electromagnetic flow meter is a good choice for measuring the flow velocity of the water body.

The principle of the electromagnetic flowmeter is as follows: the conductive liquid flows in the non-magnetic measuring tube perpendicular to the magnetic field, and can generate induced potential proportional to flow in the direction perpendicular to the flow direction of the fluid.

At present, flowmeter calibration equipment on the market is because structural problem, detects the precision and is also not ideal enough, generally is fixing device, and has bulky, the structure is complicated, can not adapt to the check-up environment of multiple difference to there is inconvenient carrying, the difficult check-up position that alternaties after accomplishing, the difficult problem of dismantling, being difficult for accomodating after the check-up is accomplished, the utility model discloses portable electromagnetic flow check-up appearance is applicable to and measures and checks up all kinds of conductive medium flowmeters.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at provides one kind for overcoming current technical defect, has small, simple structure, can adapt to the check-up environment of multiple difference to easily accomodate, conveniently carry.

In order to solve the technical problem, the utility model provides a portable electromagnetic flow check gauge, including the box and with the case lid of connecting is rotated at box rear side top, the bottom of box is equipped with the fixed plate, be equipped with the fixing base on the fixed plate, be equipped with the flow meter on the fixing base, the both ends of flow meter are equipped with inlet line and outlet pipeline respectively, correspond on the box inlet line and outlet pipeline's position department is equipped with first through-hole and second through-hole respectively, still be equipped with control module on the fixed plate, portable electromagnetic flow check gauge still establishes including the lid the apron of flow meter and control module upper end, correspond on the apron control module's position department is equipped with the opening.

Furthermore, a first dustproof cover and a second dustproof cover are respectively arranged at the first through hole and the second through hole.

Furthermore, the left side and the right side of the front end of the box body are both provided with a lock catch, and the left side and the right side of the front end of the box cover are both provided with a lock head matched with the lock catch.

Furthermore, the outside of hasp all is equipped with the screw, the outside of tapered end all is equipped with the through-hole that the screw corresponds.

Furthermore, a handle is rotatably arranged at the front end of the box body.

Furthermore, foot pads are arranged at four corners of the lower end of the box body.

Furthermore, the control module comprises a lower shell arranged on the fixing plate, a battery arranged in the lower shell, a circuit board electrically connected with the battery, a meter core module electrically connected with the circuit board and an upper shell arranged at the upper end of the lower shell, and the flow meter is electrically connected with the meter core module.

Furthermore, a first opening is formed in the upper shell, and a screen electrically connected with the circuit board is arranged in the first opening.

Furthermore, a second opening is formed in the position, corresponding to the watch core module, of the upper shell, and a transparent lining plate is arranged in the second opening.

Furthermore, the upper shell is also provided with a USB interface, a cable interface and a switch which are electrically connected with the circuit board.

The utility model discloses following beneficial effect has:

when various measuring flowmeters on a pipeline with conductive media are required to be measured to be checked by the portable electromagnetic flow check meter, the portable electromagnetic flow check meter is serially connected to the same measuring pipeline with a to-be-checked meter, fluid enters from an inlet pipeline and flows out from an outlet pipeline after flowing through the flow meter, the flow meter can measure parameters of the fluid on the pipeline to be measured, the fluid is processed and analyzed by a control module, then the data measured by the flow meter is compared and adjusted with the data measured by various flowmeters on the pipeline to be measured, the checking work can be completed, when the checking is not required, the box cover is covered with the box body by rotating the box cover, then the box cover is locked at the upper end of the box body by matching of a lock catch and a lock head, thereby the work of storage and arrangement is completed, and then the lifting handle can be lifted, is convenient for carrying.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, do not constitute a limitation of the invention, and in which:

FIG. 1 is an exploded view of a portable electromagnetic flow verifier in an embodiment;

fig. 2 is an exploded view of the control module in the example embodiment.

Detailed Description

In order to fully understand the technical contents of the present invention, the present invention will be further described and explained with reference to the accompanying drawings and specific embodiments; it should be noted that, if "first" or "second" is described in the text, it is used to distinguish different components, and the like, and does not represent the order of precedence, and does not limit "first" and "second" to be different types.

The technical solutions in the embodiments of the present invention will be clearly and completely described below 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 those skilled in the art without creative efforts belong to the protection scope of the present invention.

Examples

As shown in fig. 1 to 2, the portable electromagnetic flow verifier of the present embodiment includes a case 1, the top of the rear side of the box body 1 is rotatably connected with a box cover 2 through a hinge 10, the bottom of the box body 1 is provided with a fixing plate 11, a fixed seat 12 is arranged on the fixed plate 11, arc-shaped fixed parts 13 are arranged at the left end and the right end of the fixed seat 12, the fixed part 13 is provided with a flow meter 3, an inlet pipeline 31 and an outlet pipeline 32 are respectively connected with the two ends of the flow meter 3, a first through hole 21 is provided at a position corresponding to the inlet pipe 31 on the tank body, a second through hole 22 is provided at a position corresponding to the outlet pipe on the tank body, the fixed plate is also provided with a control module 4 electrically connected with the flowmeter 3, the portable electromagnetic flowmeter calibrator further comprises a cover plate 14 covering the flowmeter 3 and the upper end of the control module 4, and an opening 15 is arranged on the cover plate 14 at a position corresponding to the control module 4; in the structure, when needing to check up the electromagnetic flowmeter on the measured pipeline, through inserting portable electromagnetic flowmeter check gauge on the pipeline of awaiting measuring, the fluid gets into from inlet pipe 31, flow through and flow out by outlet pipe 32 behind the flowmeter 3, flowmeter 3 just can measure the parameter of the fluid on the pipeline of awaiting measuring, handle the analysis through control module 4, then compare the data that obtains that flowmeter 3 measures with the data that electromagnetic flowmeter on the pipeline of awaiting measuring measures and measure and adjust, can accomplish the work of check-up, when need not checking up, through rotating case lid 2, make case lid 2 and box 1 lid close, can accomplish the work of accomodating the arrangement, and is convenient to carry.

Specifically, first shield 23 and second shield 24 are respectively arranged at first through hole 21 and second through hole 22, the left end of inlet pipeline 31 can stretch into first shield 23, the right end of outlet pipeline 32 can stretch into second shield 24, first shield 23 and second shield 24 can protect inlet pipeline 31 and outlet pipeline 32, and simultaneously, external dust, particles and other substances can be placed in inlet pipeline 31 and outlet pipeline 32, so that the accuracy of the data measured by flowmeter 3 is influenced.

Specifically, the left side and the right side of the front end of the box body 1 are both provided with the lock catches 16, the left side and the right side of the front end of the box cover are both provided with lock heads 26 matched with the lock catches 16, the outer sides of the two lock catches 16 are both provided with screw holes 17, and the outer sides of the two lock heads 26 are both provided with through holes 27 corresponding to the screw holes 17; when the verification is not needed, the box cover 2 is rotated to cover the box body 1, and then the box cover 2 is locked at the upper end of the box body 1 through the matching of the lock catch 16 and the lock head 26, so that the storage and arrangement work can be finished, and the carrying is convenient; in the case of not using for a long time or needing to carry for a long distance, in order to further lock the case cover 2 on the case body 1, the bolts can be used to pass through the through holes 27 and then be matched with the screw holes 17, so that the case cover 2 can be locked on the case body 1 more firmly.

Specifically, a lifting handle 18 is rotatably arranged at the front end of the box body 1, foot pads 19 are arranged at four corners of the lower end of the box body 1, when verification is not needed, the box cover 2 is enabled to be covered with the box body 1 by rotating the box cover 2, then the box cover 2 is locked at the upper end of the box body 1 through the matching of the lock catch 16 and the lock head 26, and therefore storage and arrangement work is completed, and then the box cover can be lifted up through the lifting handle 18, and is convenient to carry; when the calibration is needed, the box body 1 is placed on the workbench, and the foot pad 19 can play a certain role in buffering and skid resistance, so that the stability of the calibration work is ensured.

Specifically, the control module 4 includes a lower case 40 disposed on the fixing plate 11, a battery 41 and a circuit board 42 electrically connected to the battery 41 are disposed inside the lower case 40, a battery fixing strip 33 for fixing the battery 41 is disposed on the battery 41, a meter core mounting plate 34 is further disposed on the battery 41, a meter core module 43 electrically connected to the circuit board 42 is disposed on the meter core mounting plate 34, the flowmeter 3 is electrically connected to the core module 43, and an upper case 44 matched with the lower case 40 is further disposed at an upper end of the lower case 40; the battery 41 can provide an energy source for the whole portable electromagnetic flow check meter, the circuit board 42 can control the work of the whole portable electromagnetic flow check meter, and the meter core module 43 can read and process the data measured by the flow meter 3.

Specifically, a first opening 45 is formed in the upper case 44, a screen 47 electrically connected to the circuit board 42 is disposed in the first opening 45, a second opening 46 is further formed in a position of the upper case 44 corresponding to the movement module 43, and a transparent lining plate 48 is disposed in the second opening 46; the screen 47 can display data and the like detected by the flow meter 3, and the watch core module 43 is arranged at the lower end of the transparent lining plate 48, so that the working state of the watch core module 43 can be conveniently observed.

Specifically, the upper shell 44 is further provided with a USB interface 36, seven cable interfaces 37 and a switch 38 electrically connected to the circuit board 42; the switch 38 can control the switch of the whole portable electromagnetic flow check meter, the USB interface 36 and the cable interface 37 can provide a certain expansibility for the portable electromagnetic flow check meter, so as to increase the application range, and meanwhile, the data measured by the portable electromagnetic flow check meter can be extracted, so that the data can be analyzed and processed by an external computer.

The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the description should not be construed as a limitation to the present invention.

Claims (10)

1. The utility model provides a portable electromagnetic flow check gauge, its characterized in that, including the box and with the case lid of the rear side top rotation connection of box, the bottom of box is equipped with the fixed plate, be equipped with the fixing base on the fixed plate, be equipped with the flow meter on the fixing base, the both ends of flow meter are equipped with inlet line and outlet pipeline respectively, correspond on the box inlet line and outlet pipeline's position department is equipped with first through-hole and second through-hole respectively, still be equipped with on the fixed plate with the control module that the flow meter electricity is connected, portable electromagnetic flow check gauge still establishes including the lid apron of flow meter and control module upper end, correspond on the apron control module's position department is equipped with the opening.

2. The portable electromagnetic flow verifier of claim 1, wherein the first and second through holes have first and second dust caps, respectively.

3. The portable electromagnetic flow verifier of claim 2, wherein latches are provided on both sides of the front end of the case, and locking heads engaged with the latches are provided on both sides of the front end of the case cover.

4. The portable electromagnetic flow verifier of claim 3, wherein the outer sides of the latches are each provided with a screw hole, and the outer sides of the locking heads are each provided with a through hole corresponding to the screw hole.

5. The portable electromagnetic flow verifier of claim 4, wherein a handle is rotatably disposed at a front end of the case.

6. The portable electromagnetic flow verifier of claim 5, wherein foot pads are disposed at four corners of the lower end of the case.

7. The portable electromagnetic flow verifier of any one of claims 1-6, wherein the control module comprises a lower case disposed on the fixing plate, a battery disposed in the lower case, a circuit board electrically connected to the battery, a core module electrically connected to the circuit board, and an upper case disposed at an upper end of the lower case, and the flow meter is electrically connected to the core module.

8. The portable electromagnetic flow verifier of claim 7, wherein a first opening is defined in the upper housing, and a screen electrically connected to the circuit board is disposed in the first opening.

9. The portable electromagnetic flow verifier of claim 8, wherein a second opening is provided in the upper case at a location corresponding to the movement module, and a transparent liner is provided in the second opening.

10. The portable electromagnetic flow verifier of claim 9, further comprising a USB port, a cable port, and a switch electrically coupled to the circuit board.

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