CN214066202U - Non-full pipe electromagnetic flowmeter - Google Patents
Non-full pipe electromagnetic flowmeter Download PDFInfo
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- CN214066202U CN214066202U CN202023012119.0U CN202023012119U CN214066202U CN 214066202 U CN214066202 U CN 214066202U CN 202023012119 U CN202023012119 U CN 202023012119U CN 214066202 U CN214066202 U CN 214066202U
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Abstract
The utility model provides a full tub of electromagnetic flowmeter of non-erects in the first stiff end and the second stiff end of the inner wall of open channel, and it includes: the two-way telescopic rod is transversely arranged on the inner wall of the open channel and is arranged in a direction perpendicular to the water flow, movable ends are arranged at two ends of the two-way telescopic rod, and two ends of the two-way telescopic rod are fixedly connected with the first fixed end and the second fixed end respectively; the second telescopic rod is fixed at the lower end of the bidirectional telescopic rod; the external display device is fixedly arranged at the upper end of the bidirectional telescopic rod, a controller and a converter are arranged in the external display device, a display module is embedded at the outer end of the external display device, and the display module is electrically connected with the micro control module; and the electromagnetic flow meter body is electrically connected with the external display device through a connecting wire, and the electromagnetic flow meter body is fixedly connected with the movable end of the second telescopic rod. The electromagnetic flow velocity sensor has the advantages of strong applicability, high measurement accuracy degree and wide application range.
Description
Technical Field
The utility model belongs to the technical field of the electromagnetic flow meter technique and specifically relates to a non-full pipe electromagnetic flow meter.
Background
An open channel electromagnetic flowmeter is a flow meter that measures free surface natural flow in a non-full tubular open channel. Non-full pipe flow waterways are referred to as open channels and measuring the flow of water in open channels are referred to as non-full pipe electromagnetic flowmeters.
The electromagnetic flowmeter sensor is made by using Faraday's law of electromagnetic induction, when the conductive liquid moves along the measuring tube in the direction perpendicular to the magnetic lines of force in the alternating magnetic field, the conductive liquid cuts the magnetic lines of force to generate induced potential, and a pair of electrodes is arranged on the tube wall perpendicular to the axis of the measuring tube and the magnetic lines of force, and the electrodes detect the generated induced potential. The induced potential is proportional to the flow, the flow passing through the sensor can be derived by measuring the induced potential, and the flow signal (induced potential) is input into the converter to be amplified and converted into a digital quantity signal proportional to the flow signal, so that the flow measurement is realized.
Most of the existing electromagnetic flowmeters are designed into non-full-pipe electromagnetic flowmeters with certain sizes according to specific channel widths, the applicability is not high, and the specific-size open channel electromagnetic flowmeters need to be customized according to different open channel widths; in addition, the existing electromagnetic flowmeter has low accuracy and low applicability.
SUMMERY OF THE UTILITY MODEL
In view of the above problem that provides, the utility model provides a full tub of electromagnetic flowmeter of non-, its aim at provides an electromagnetic flow velocity sensor that the suitability is strong, the measurement accuracy degree is high and application range is wide.
In order to achieve the above objects and other related objects, the present invention provides a non-full pipe electromagnetic flowmeter, which is erected on a first fixed end and a second fixed end of an inner wall of an open channel, and comprises: the two-way telescopic rod is transversely arranged on the inner wall of the open channel and is arranged in a direction perpendicular to the water flow, movable ends are arranged at two ends of the two-way telescopic rod, and two ends of the two-way telescopic rod are fixedly connected with the first fixed end and the second fixed end respectively;
the second telescopic rod is fixed at the lower end of the bidirectional telescopic rod;
the external display device is fixedly arranged at the upper end of the bidirectional telescopic rod, a controller and a converter are arranged in the external display device, a display module is embedded at the outer end of the external display device, and the display module is electrically connected with the micro control module; and
the electromagnetic flowmeter body, its with the device is connected through the connecting wire electricity outward, the electromagnetic flowmeter body with the expansion end fixed connection of second telescopic link, the electromagnetic flowmeter body includes the casing, be equipped with in the casing through sealed excitation coil, magnetic pole head and a pair of measuring signal electrode of insulating resin adhesive, excitation coil and a pair of measuring signal electrode are all arranged in on the magnetic pole head.
Further, at least one set of depth of water measuring sensor is fixedly installed to the bottom of two-way telescopic link, depth of water measuring sensor with install in the inside controller electricity of electromagnetic flowmeter body is connected.
Furthermore, a key module and a power switch key are arranged in the external display device, the external display device is electrically connected with the power module, and the power switch key is electrically connected with the power module.
Furthermore, the tail of the shell is fixedly connected with the tail end along the axis direction of the shell, a rotating ring is arranged around the connected tail end, and a plurality of groups of balance wings are arranged around the outside of the rotating ring.
Further, the housing includes a front housing and a rear housing, which are connected by a screw thread.
Further, an electrode protective sleeve is arranged on the outer portion of the measuring signal electrode in an encircling mode.
Furthermore, the external display device also comprises a Bluetooth module, the Bluetooth module is electrically connected with the microcontroller, and the Bluetooth module is in signal connection with the mobile terminal.
Further, the bidirectional telescopic rod is an electric telescopic rod.
Further, the second telescopic rod is an electric telescopic rod.
Further, the front end portion of the front housing is conical.
The utility model has the advantages that:
the utility model provides a pair of electromagnetic flow velocity sensor that suitability is strong, measurement accuracy degree is high and application range is wide specifically embodies:
(1) the two-way telescopic rod with movable ends at two ends is respectively fixed on the first fixed end and the second fixed end of the inner wall of the open channel, and the two-way telescopic rod is suitable for open channels with different channel widths according to the scalability of the two-way telescopic rod, so that the applicability is strong;
(2) the second telescopic rod arranged at the lower end of the bidirectional telescopic rod is adopted, so that the adjustment of different water depths is guaranteed, and the data recording of observers is facilitated;
(3) the electromagnetic flowmeter is characterized in that an electromagnetic flowmeter body is electrically connected with an external display device through a connecting wire, the external display device which takes a power supply module as a power supply provides stable exciting current for the electromagnetic flowmeter body, the electromagnetic flowmeter acquires induced potential which is in direct proportion to the flow velocity of a measured fluid, the induced potential is transmitted to the external display device and is amplified and subjected to analog-to-digital conversion to obtain the flow of the measured fluid, and the flow is displayed, so that the flow measurement is convenient and rapid, and the measurement precision is high;
(4) through bathymetric survey sensor with install in the inside controller electricity of electromagnetic flowmeter body is connected, outer display device includes bluetooth module, bluetooth module is connected with microcontroller electricity, bluetooth module and mobile terminal signal connection, and the signal measurement simply acquires.
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 is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic illustration of an installation of a non-full pipe electromagnetic flowmeter according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an internal structure of a non-full pipe electromagnetic flowmeter according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the operation of the non-full pipe electromagnetic flowmeter of the present invention;
FIG. 4 is an electrical schematic of the non-full pipe electromagnetic flow meter of the present invention;
fig. 5 is a schematic circuit diagram of a non-full pipe electromagnetic flowmeter according to an embodiment of the present invention.
Description of reference numerals:
1-a bidirectional telescopic rod; 2-a first active end; 3-a second movable end; 4-a second fixed end; 5-inner wall of open channel; 6-the fixed end of a second telescopic rod; 7-the movable end of the second telescopic rod; 8-front case; 9-front end; 10-a bathymetric sensor; 11-a first fixed end; 12-an explicit device; 13-a display module; 14-a key module; 15-connecting lines; 16-a field coil; 17-a pole head; 18-a measurement signal electrode; 19-an electrode sheath; 20-connecting a coil; 21-a rear housing; 22-connecting the tail end; 23-a balance wing; 24-turn; 25-a controller; 26-a converter; 27-a bluetooth module; 28-a mobile terminal; 29-power supply module.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1 to 5, the present invention provides a non-full-pipe electromagnetic flowmeter, which is erected on the first fixed end 11 and the second fixed end 4 of the inner wall 5 of the open channel, and comprises: two-way telescopic link 1, second telescopic link 6, outer display device 12 and electromagnetic flowmeter body, two-way telescopic link 1 and second telescopic link 6 are electric telescopic handle.
Wherein, two-way telescopic link 1 transversely is located the direction of the inner wall 5 and the perpendicular to rivers of open channel is placed, two-way telescopic link 1's both ends all are equipped with the expansion end, first expansion end 2 and the second expansion end 3 in fig. 1 promptly, two-way telescopic link 1's both ends respectively through first expansion end 2 and second expansion end 3 with first stiff end 11 and 4 fixed connection of second stiff end. For example, the shape, the size homogeneous phase of first stiff end 11 and second stiff end 4 and relative setting, first stiff end 11 and second stiff end 4 all include base and link (do not mark in the picture), wherein the flange structure can be chooseed for use to base (do not mark in the picture), the bottom of link (do not mark in the picture) with base fixed connection, the top of link (do not mark in the picture) is for taking the notched column structure, the recess with the expansion end adaptation of two way telescopic rod 1. When the bidirectional telescopic rod is installed, the first fixed end 11 and the second fixed end 4 are fixed on the inner wall 5 of the open channel relatively, then the bidirectional telescopic rod 1 is taken out, the lengths of the two ends of the first movable end 2 and the second movable end 3 of the bidirectional telescopic rod 1 are adjusted, and the bidirectional telescopic rod 1 is erected in the groove where the first fixed end 11 and the second fixed end 4 are opposite.
The bottom end of the bidirectional telescopic rod 1 is fixedly provided with at least one group of water depth measuring sensors 10, the water depth measuring sensors 10 are electrically connected with a controller 25 arranged in the electromagnetic flowmeter body, physical signals of water depth in an open channel are converted into electric signals through the water depth sensors 10 and transmitted to the controller 25, and the water depth measuring sensors 10 can be non-contact liquid level sensors, such as ultrasonic liquid level transmitters, radar liquid level transmitters and the like.
The second telescopic link (not mark in the figure) set up in the lower extreme of two-way telescopic link 1, the second telescopic link (not mark in the figure) includes second telescopic link stiff end 6 and second telescopic link expansion end 7, and wherein, second telescopic link stiff end 6 is fixed in the lower extreme of two-way telescopic link 1, and both can adopt multiple mode fixed connection, the mode that technical staff in the field can choose for use such as welding, screw connection. Second telescopic link expansion end 7 and the casing fixed connection of electromagnetic flow meter body are through adjusting the position of second telescopic link expansion end 7 for second telescopic link stiff end 6 for it places the height according to the depth of water regulation of difference of second telescopic link expansion end 7 drive electromagnetic flow meter body.
The external display device 12 is fixedly welded at the upper end of the bidirectional telescopic rod 1, a controller 25 and a converter 26 are arranged in the external display device 12, a display module 13 is arranged at the outer end of the external display device 12, and the display module 13 is electrically connected with the controller 25. The key module 14 and the power switch key are arranged in the external display device 12, the external display device 12 is electrically connected with the power module 29, the power switch key is electrically connected with the power module 29, and a user can adjust the power on or off of the power module 29 by adjusting the power switch key. The controller 25 is used as a central system of the whole open channel electromagnetic flowmeter to comprehensively control the action of corresponding modules in the open channel electromagnetic flowmeter, and the controller 25 can be a control module which is manufactured by an existing PLC (programmable logic controller), STM32 and the like or other control units with various control functions and capable of completing the control functions.
Electromagnetic flowmeter body (not mark in the figure) with outer display device 12 is connected through connecting wire 15 electricity, electromagnetic flowmeter body (not mark in the figure) with the expansion end 7 fixed connection of second telescopic link, electromagnetic flowmeter body includes casing (not mark in the figure), be equipped with in the casing (not mark in the figure) through sealed excitation coil 16 of insulating resin glue, magnetic pole head 17 and a pair of measurement signal electrode 18, excitation coil 16 and a pair of measurement signal electrode 18 are all placed in on magnetic pole head 17. An electrode protective sleeve 19 is arranged around the measuring signal electrode 18. The case includes a front case 8 and a rear case 21, and the front case 8 and the rear case 21 are connected by screw threads. The front end part 9 of the front shell 8 is conical, so that water flow is facilitated. The tail end 22 is fixedly connected to the tail portion of the shell along the axis direction of the shell, a rotating ring 24 is arranged on the connecting tail end 22 in a surrounding mode, a plurality of groups of balance wings 23 are arranged on the outer portion of the rotating ring 24 in a surrounding mode, and stability of the electromagnetic flowmeter body in a water flow circulation process is guaranteed.
Referring to fig. 3 and 4, when a power switch (not labeled) is turned on, the converter 26 supplies current to the exciting coil 16 through the connecting wire 15, and the exciting coil 16 after the current is supplied generates a closed magnetic field loop along a direction perpendicular to a central axis of the electromagnetic flowmeter body (not labeled), and the loop direction has magnetic lines of force perpendicular to an axial direction of the case and perpendicular to a direction of a measured fluid. When the fluid to be measured makes magnetic line cutting motion, an induced potential proportional to the flow rate is generated, and the induced potential is detected by the measuring signal electrode 18 and is transmitted to the converter 26 and the controller 25 through the connecting line 15 for signal analysis and digital-to-analog conversion. The converter 26 and the controller 25 respectively integrate parameters such as basic structural dimension data of the open channel of the measured fluid measured in advance and water depth in the open channel measured by the water depth measuring sensor 10 with mathematical models inside the converter 26 and the controller 25 so as to calculate the flow velocity of the measured point of the measured fluid, and the result is finally displayed by the display module 13 embedded outside the external display device 12.
A Bluetooth module 27 is arranged in the external display device 12, and the Bluetooth module 27 is in signal connection with the controller 25. The bluetooth module 27 is used to transmit the signal of the controller 25 to the mobile terminal 28 of the user through the bluetooth module 27 under the harsh environment, so as to facilitate the wireless test of the user, which can be implemented by technical means known to those skilled in the art, and will not be described herein again.
To sum up, the utility model discloses a full tub of electromagnetic flowmeter of non-has following beneficial effect:
the utility model provides a pair of electromagnetic flow velocity sensor that suitability is strong, measurement accuracy degree is high and application range is wide specifically embodies:
(1) the two-way telescopic rod with movable ends at two ends is respectively fixed on the first fixed end and the second fixed end of the inner wall of the open channel, and the two-way telescopic rod is suitable for open channels with different channel widths according to the scalability of the two-way telescopic rod, so that the applicability is strong;
(2) the second telescopic rod arranged at the lower end of the bidirectional telescopic rod is adopted, so that the adjustment of different water depths is guaranteed, and the data recording of observers is facilitated;
(3) the electromagnetic flowmeter is characterized in that an electromagnetic flowmeter body is electrically connected with an external display device through a connecting wire, the external display device which takes a power supply module as a power supply provides stable exciting current for the electromagnetic flowmeter body, the electromagnetic flowmeter acquires induced potential which is in direct proportion to the flow velocity of a measured fluid, the induced potential is transmitted to the external display device and is amplified and subjected to analog-to-digital conversion to obtain the flow of the measured fluid, and the flow is displayed, so that the flow measurement is convenient and rapid, and the measurement precision is high;
(4) through bathymetric survey sensor with install in the inside controller electricity of electromagnetic flowmeter body is connected, outer display device includes bluetooth module, bluetooth module is connected with microcontroller electricity, bluetooth module and mobile terminal signal connection, and the signal measurement simply acquires.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. The utility model provides a non-full-pipe electromagnetic flowmeter, its first stiff end and the second stiff end of erectting in the inner wall of open channel, its characterized in that includes:
the two-way telescopic rod is transversely arranged on the inner wall of the open channel and is arranged in a direction perpendicular to the water flow, movable ends are arranged at two ends of the two-way telescopic rod, and two ends of the two-way telescopic rod are fixedly connected with the first fixed end and the second fixed end respectively;
the second telescopic rod is fixed at the lower end of the bidirectional telescopic rod;
the external display device is fixedly arranged at the upper end of the bidirectional telescopic rod, a controller and a converter are arranged in the external display device, a display module is embedded at the outer end of the external display device, and the display module is electrically connected with the controller; and
the electromagnetic flowmeter body, its with the device is connected through the connecting wire electricity outward, the electromagnetic flowmeter body with the expansion end fixed connection of second telescopic link, the electromagnetic flowmeter body includes the casing, be equipped with in the casing through sealed excitation coil, magnetic pole head and a pair of measuring signal electrode of insulating resin adhesive, excitation coil and a pair of measuring signal electrode are all arranged in on the magnetic pole head.
2. A non-full pipe electromagnetic flowmeter according to claim 1 wherein: at least one group of water depth measuring sensor is fixedly installed at the bottom end of the bidirectional telescopic rod, and the water depth measuring sensor is electrically connected with a controller installed inside the electromagnetic flowmeter body.
3. A non-full pipe electromagnetic flowmeter according to claim 1 wherein: the display device is internally provided with a key module and a power switch key, the display device is electrically connected with the power module, and the power switch key is electrically connected with the power module.
4. A non-full pipe electromagnetic flowmeter according to claim 2 wherein: the tail of the shell is fixedly connected with the tail end along the axis direction of the shell, the tail end is connected with a rotating ring in a surrounding mode, and a plurality of groups of balance wings are arranged outside the rotating ring in a surrounding mode.
5. A non-full pipe electromagnetic flowmeter according to claim 1 wherein: the housing includes a front housing and a rear housing that are connected by threads.
6. A non-full pipe electromagnetic flowmeter according to any one of claims 1 to 5 wherein: and an electrode protective sleeve is arranged on the outer ring of the measuring signal electrode.
7. A non-full pipe electromagnetic flowmeter according to claim 6 wherein: the external display device further comprises a Bluetooth module, the Bluetooth module is electrically connected with the controller, and the Bluetooth module is in signal connection with the mobile terminal.
8. A non-full pipe electromagnetic flowmeter according to claim 7 wherein: the bidirectional telescopic rod is an electric telescopic rod.
9. A non-full pipe electromagnetic flowmeter according to claim 8 wherein: the second telescopic rod is an electric telescopic rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023012119.0U CN214066202U (en) | 2020-12-15 | 2020-12-15 | Non-full pipe electromagnetic flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023012119.0U CN214066202U (en) | 2020-12-15 | 2020-12-15 | Non-full pipe electromagnetic flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214066202U true CN214066202U (en) | 2021-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023012119.0U Active CN214066202U (en) | 2020-12-15 | 2020-12-15 | Non-full pipe electromagnetic flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214066202U (en) |
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2020
- 2020-12-15 CN CN202023012119.0U patent/CN214066202U/en active Active
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