CN209043394U - Electromagnetic flowmeter and its excitation vibration-proof structure - Google Patents
Electromagnetic flowmeter and its excitation vibration-proof structure Download PDFInfo
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- CN209043394U CN209043394U CN201821987036.3U CN201821987036U CN209043394U CN 209043394 U CN209043394 U CN 209043394U CN 201821987036 U CN201821987036 U CN 201821987036U CN 209043394 U CN209043394 U CN 209043394U
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- 230000005284 excitation Effects 0.000 title claims abstract description 39
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 22
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 9
- 238000013016 damping Methods 0.000 claims description 8
- 230000006698 induction Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000004026 adhesive bonding Methods 0.000 abstract description 6
- 239000003292 glue Substances 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 11
- 230000005611 electricity Effects 0.000 description 8
- 238000005259 measurement Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 210000000988 bone and bone Anatomy 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
- G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
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- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The utility model provides a kind of electromagnetic flowmeter and its excitation vibration-proof structure, and the excitation vibration-proof structure of electromagnetic flowmeter includes: main body rack, and main body rack is equipped with mounting groove；Electromagnetic coil, for generating magnetic field, electromagnetic coil includes coil rack and the coil that is wrapped on coil rack, and electromagnetic coil is mounted in mounting groove, and through-hole is provided on coil rack；Magnetic conductive part, setting is in through-holes；The open end of main body rack is arranged in electromagnetic shielding plate, and electromagnetic shielding plate is connected with main body rack, to block the open end of main body rack；And first elastic component, it is arranged between electromagnetic shielding plate and magnetic conductive part, the side of the first elastic component is abutted against with magnetic conductive part, and the other side and the electromagnetic shielding plate of the first elastic component abut against, with the movement of backstop magnetic conductive part.Excitation vibration-proof structure provided by the utility model, in the related technology by way of the fixed magnetic conductive part of gluing compared with, it is slower to solve the problems, such as that the glue solidifies, accelerates the production efficiency of electromagnetic flowmeter.
Description
Technical field
The utility model relates to electromagnetic flowmeter technical fields, subtract in particular to a kind of excitation of electromagnetic flowmeter
Structure of shaking and a kind of electromagnetic flowmeter.
Background technique
The working principle of electromagnetic flowmeter is based on Faraday's electromagnetic induction law, and traditional electromagnetic flowmeter is for splicing thread
The magnetic field generated is enclosed, a silicon steel column, and one silicon steel sheet of lid above silicon steel column can be added in coil inside, due to electromagnetic current
Meter uses AC excitation mode, and the magnetic field meeting pole NS that coil generates alternately changes, and silicon steel column is mounted on magnet exciting coil skeleton
Inside, if do not fixed, silicon steel column can generate vibration inside coil rack, to influence the stability in magnetic field, in turn
Affect the measurement accuracy of electromagnetic flowmeter.The silicon steel column fixed form of existing electromagnetic flowmeter largely uses the side of gluing
Silicon steel column is fixed together by formula with coil rack, although silicon steel column and coil rack can be fixed on one by the mode of gluing
Rise, but relatively slow since the glue solidifies, will affect the production efficiency of electromagnetic flowmeter, also, after gluing, cause silicon steel column with
Coil rack one-time fixes, be unfavorable for subsequent product reprocess and case study.
Utility model content
The utility model aims to solve at least one of technical problems existing in the prior art or related technologies.
For this purpose, the one aspect of the utility model proposes a kind of excitation vibration-proof structure of electromagnetic flowmeter.
The other side of the utility model proposes a kind of electromagnetic flowmeter.
In view of this, first aspect according to the present utility model, provides a kind of excitation vibration damping knot of electromagnetic flowmeter
Structure, comprising: main body rack, main body rack are equipped with mounting groove；Electromagnetic coil, for generating magnetic field, electromagnetic coil includes coil bone
Frame and the coil being wrapped on coil rack, electromagnetic coil are mounted in mounting groove, and through-hole is provided on coil rack；Magnetic conduction
Part, setting is in through-holes；The open end of main body rack is arranged in electromagnetic shielding plate, and electromagnetic shielding plate is connected with main body rack,
To block the open end of main body rack；And first elastic component, it is arranged between electromagnetic shielding plate and magnetic conductive part, the first elastic component
Side is abutted against with magnetic conductive part, and the other side and the electromagnetic shielding plate of the first elastic component abut against, with the movement of backstop magnetic conductive part.
The excitation vibration-proof structure of electromagnetic flowmeter provided by the utility model, including main body rack, electromagnetic coil, magnetic conduction
Part, electromagnetic shielding plate and the first elastic component, main body rack are equipped with mounting groove, and electromagnetic coil is mounted on the mounting groove of main body rack
In, electromagnetic coil is made of coil rack and the coil being wrapped on coil rack, and through-hole is provided on coil rack, is led
Magnetic part is mounted in the through-hole of coil rack, by installing magnetic conductive part in the through-hole of coil rack, can intensifier coil generate
Magnetic field；The electromagnetic shielding plate being connected with main body rack is provided in the open end of main body rack, for blocking main body rack
Open end, wherein be provided with the first elastic component between electromagnetic shielding plate and magnetic conductive part, the two sides of the first elastic component respectively with lead
Magnetic part and electromagnetic shielding plate abut against, i.e., the first elastic component is folded among magnetic conductive part and electromagnetic shielding plate, are used for backstop magnetic conduction
Movement of the part in the through-hole of coil rack；Magnetic conductive part is fixed in the through-hole of coil rack by the first elastic component of setting,
It can prevent magnetic conductive part from moving in the through-hole of coil rack and cause electromagnetic flowmeter to generate vibration and the stability in magnetic field is made
At influence, so that it is guaranteed that the measurement accuracy of electromagnetic flowmeter, in the related technology by way of the fixed magnetic conductive part of gluing compared with,
It is slower to solve the problems, such as that the glue solidifies, accelerates the production efficiency of electromagnetic flowmeter, meanwhile, without passing through the fixed magnetic conduction of glue
Part is also beneficial to the disassembly and maintenance of subsequent product.
In addition, according to the excitation vibration-proof structure of the electromagnetic flowmeter in above-mentioned technical proposal provided by the utility model, also
It can have following additional technical feature:
In the above-mentioned technical solutions, it is preferable that the excitation shock-damping structure of electromagnetic flowmeter further include: the second elastic component；Line
The height of ring framework is less than the depth of mounting groove, and the second elastic component is folded between electromagnetic shielding plate and coil rack.
In the technical scheme, specifically define that the height of coil rack is less than the depth of mounting groove, specifically, electromagnetic screen
Shield plate lid is located at the open end of main body rack, when in the mounting groove that coil rack is located at main body rack, the upper table of coil rack
There is certain spacing, excitation shock-damping structure further includes being folded in electromagnetic shielding plate and coil rack between face and electromagnetic shielding plate
Between the second elastic component, by be arranged the second elastic component make between electromagnetic shielding plate and coil rack have buffering, thus
Coil rack can be fixed in the mounting groove of main body rack, prevent coil rack from generating movement in mounting groove.
In any of the above-described technical solution, it is preferable that the first elastic component is connected with the second elastic component, and the second elastic component is set
It sets in the periphery of the first elastic component.
In the technical scheme, the first elastic component of setting is connected with the second elastic component, and the second elastic component is arranged first
The periphery of elastic component, namely when the first elastic component and the second elastic component are commonly mounted in mounting groove, the first elastic component sandwiched
Between magnetic conductive part and electromagnetic shielding plate, the second elastic component is folded between coil rack and electromagnetic shielding plate, by setting simultaneously
The first elastic component and the second elastic component are set, so that the spacing between electromagnetic shielding plate and coil rack is by the first elastic component and second
Elastic component fills up, and the first elastic component and the second elastic component can play buffer function, so as to play fixed magnetic conductive part and coil bone
The effect of frame.
In any of the above-described technical solution, it is preferable that the first elastic component and the second elastic component are an integral structure.
In the technical scheme, the first elastic component and the second elastic component are preferably an integral structure, because being an integral structure
Mechanical property it is good, it is thus possible to the bonding strength between the first elastic component and the second elastic component is improved, in addition, can be by the first bullet
Property part and the second elastic component be made into integration, produce in batches, to improve the processing efficiency of product, reduce the processing cost of product, and
And by the way that the first elastic component and the second elastic component are designed as integrally formed integral structure, the globality of product is improved,
Reduce number of components, reduce installation procedure, improve installation effectiveness, keeps the installation of product more convenient reliable.
In any of the above-described technical solution, it is preferable that the spacing between the first elastic component and magnetic conductive part and electromagnetic shielding plate
Interference fit.
In the technical scheme, matched by the spacing interference between the first elastic component of setting and magnetic conductive part and electromagnetic shielding plate
Close, i.e., the thickness of the first elastic component is greater than spacing between magnetic conductive part and electromagnetic shielding plate, when the first elastic component by magnetic conductive part and
Electromagnetic shielding plate tightly when being pressed together in the spacing, due to the first elastic component generate elastic deformation after restoring force can be by magnetic conduction
Part is fixed in the through-hole of coil rack, to further enhance the first elastic component to the fixed effect of magnetic conductive part, further
It prevents magnetic conductive part from moving in the through-hole of coil rack and electromagnetic flowmeter is caused to generate vibration caused by the stability in magnetic field
It influences, so that it is guaranteed that the measurement accuracy of electromagnetic flowmeter.
In any of the above-described technical solution, it is preferable that the spacing between the first elastic component and magnetic conductive part and electromagnetic shielding plate
Magnitude of interference range be 0.5mm to 1mm.
In the technical scheme, the mistake of the spacing between the first elastic component and magnetic conductive part and electromagnetic shielding plate is specifically defined
The range for the amount of being full of is on the one hand 0.5mm to 1mm is avoided that the first elastic component and magnetic conductive part and electromagnetic shielding plate in the range
Between spacing magnitude of interference it is too small, less than each components mismachining tolerance and cause the first elastic component thickness be less than magnetic conductive part
Spacing between electromagnetic shielding plate, so as to cause there is the through-hole that magnetic conductive part can not be fixed on coil rack by the first elastic component
The problems in；On the other hand, avoid the magnitude of interference of the spacing between the first elastic component and magnetic conductive part and electromagnetic shielding plate excessive, and
The problem for causing the first elastic component difficult to install.
In any of the above-described technical solution, it is preferable that the extending direction of through-hole and the opening direction of mounting groove are consistent.
In the technical scheme, the extending direction for the through-hole being arranged on coil rack and the opening of mounting groove are specifically described
Direction is consistent, convenient for accurately and rapidly magnetic conductive part is installed in through-hole from the opening of mounting groove, promotes the installation of magnetic conductive part
Efficiency.
In any of the above-described technical solution, it is preferable that the excitation vibration-proof structure of electromagnetic flowmeter further include: connector is used
To connect electromagnetic shielding plate and main body rack；The first fixation hole is provided on electromagnetic shielding plate；Second is provided on main body rack
Fixation hole；One end of connector passes through the first fixation hole and is fixed in the second fixation hole.
In the technical scheme, the excitation vibration-proof structure of electromagnetic flowmeter further includes connector, and connector is for connecting electricity
Magnetic shield panel and main body rack are specifically provided with the first fixation hole on electromagnetic shielding plate, and is provided on main body rack
Two fixation holes, one end of connector pass through the first fixation hole and are fixed in the second fixation hole, by using connector by electromagnetic screen
Shield plate is fixed on main body rack, on the one hand improves the bonding strength between electromagnetic shielding plate and main body rack, on the other hand
The first elastic component being arranged between electromagnetic shielding plate and magnetic conductive part can be clamped, further prevents magnetic conductive part in coil rack
It is moved in through-hole and electromagnetic flowmeter is caused to generate vibration influence caused by the stability in magnetic field, so that it is guaranteed that electromagnetic flowmeter
Measurement accuracy.
Preferably, connector is screw or bolt, using screw or is bolted and facilitates installation, saves cost, simplifies and gives birth to
Production. art improves production efficiency, while being convenient for subsequent demolition and maintenance.It certainly, can also between electromagnetic shielding plate and main body rack
Not use connector to connect, can also be attached using the mode such as buckling, slot is docked with pillar, herein not one by one
It enumerates.
In any of the above-described technical solution, it is preferable that the first elastic component is rubber parts or silica gel part；And/or second elasticity
Part is rubber parts or silica gel part.
In the technical scheme, specifically describing the first elastic component can be rubber parts or silica gel part and/or the second elastic component
It can be rubber parts or silica gel part, rubber parts and silica gel part have the advantages that performance is stable, the cost of material is low, easy to process.
Certainly, the first elastic component and/or the second elastic component can also be made of other flexible materials, can be according to reality
Border needs to select the first elastic component and/or the second elastic component appropriate, numerous to list herein.
In any of the above-described technical solution, it is preferable that magnetic conductive part is silicon steel column；And/or electromagnetic shielding plate is sheet metal；
And/or first elastic component be non-magnetic elastic component.
In the technical scheme, specifically describing magnetic conductive part can be silicon steel column, and silicon steel column has good magnetic conductivity, by silicon
Steel column is arranged in the through-hole of coil rack, can further enhance the magnetic field of coil generation；Further, silicon steel column is preferably by more
A silicon steel sheet is superimposed to be formed；And/or electromagnetic shielding plate is sheet metal, sheet metal has good electro-magnetic screen function, also,
Sheet metal is readily produced, and cost is relatively low；And/or first elastic component be non-magnetic elastic component, specifically define the first elastic component not
With magnetic conductivity, the magnetic field generated after preventing the first elastic component to have magnetic conductivity to coil is impacted, it is ensured that the quality of product.
The another aspect of the utility model provides a kind of electromagnetic flowmeter, comprising: any one of above-mentioned technical proposal mentions
The excitation vibration-proof structure of electromagnetic flowmeter out；And induction electrode, be mounted on main body rack, and can with flow through main body
The liquid in pipeline on bracket is in contact.
Electromagnetic flowmeter provided by the utility model, including the induction electrode being mounted on main body rack, and induced electricity
Pole can be in contact with the liquid in the pipeline flowed through on main body rack, simultaneously as Electromagnetic Flow provided by the utility model
The excitation vibration-proof structure with the electromagnetic flowmeter proposed in any of the above-described technical solution is counted, and then there is any of the above-described technical side
The beneficial effect of case, will not repeat them here.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 shows the structural schematic diagram of the electromagnetic flowmeter of one embodiment according to the present utility model；
The section signal that Fig. 2 shows the electromagnetic flowmeters of Fig. 1 one embodiment according to the present utility model at A-A
Figure；
Fig. 3 shows an explosive view of the electromagnetic flowmeter of one embodiment according to the present utility model；
Fig. 4 shows another explosive view of the electromagnetic flowmeter of one embodiment according to the present utility model；
Fig. 5 shows another explosive view of the electromagnetic flowmeter of one embodiment according to the present utility model.
Wherein, the corresponding relationship between appended drawing reference and component names of the Fig. 1 into Fig. 5 are as follows:
10 main body racks, 102 second fixation holes, 20 coil racks, 202 through-holes, 30 magnetic conductive parts, 40 electromagnetic shielding plates, 402
First fixation hole, 50 first elastic components, 60 second elastic components, 100 electromagnetic flowmeters.
Specific embodiment
In order to be more clearly understood that the above-mentioned aspects, features and advantages of the utility model, with reference to the accompanying drawing and have
The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen
The feature in embodiment and embodiment please can be combined with each other.
Many details are explained in the following description in order to fully understand the utility model, still, this is practical
Novel to be implemented using other than the one described here other modes, therefore, the protection scope of the utility model is simultaneously
It is not limited by the specific embodiments disclosed below.
Subtract referring to the excitation of Fig. 1 to Fig. 5 description electromagnetic flowmeter according to some embodiments of the utility model
Structure of shaking and electromagnetic flowmeter 100.
As shown in Figures 1 to 5, the first aspect of the utility model provides a kind of excitation vibration damping of electromagnetic flowmeter
Structure, comprising: main body rack 10, main body rack 10 are equipped with mounting groove；Electromagnetic coil, for generating magnetic field, electromagnetic coil includes
Coil rack 20 and the coil being wrapped on coil rack 20, electromagnetic coil are mounted in mounting groove, are set on coil rack 20
It is equipped with through-hole 202；Magnetic conductive part 30 is arranged in through-hole 202；The open end of main body rack 10 is arranged in electromagnetic shielding plate 40, electricity
Magnetic shield panel 40 is connected with main body rack 10, to block the open end of main body rack 10；And first elastic component 50, it is arranged in electricity
Between magnetic shield panel 40 and magnetic conductive part 30, side and the magnetic conductive part 30 of the first elastic component 50 are abutted against, the first elastic component 50 it is another
Side is abutted against with electromagnetic shielding plate 40, with the movement of backstop magnetic conductive part 30.
The excitation vibration-proof structure of electromagnetic flowmeter provided by the utility model, including main body rack 10, electromagnetic coil, magnetic conduction
Part 30, electromagnetic shielding plate 40 and the first elastic component 50, main body rack 10 are equipped with mounting groove, and electromagnetic coil is mounted on main body rack
In 10 mounting groove, electromagnetic coil is made of coil rack 20 and the coil being wrapped on coil rack 20, and coil rack
Through-hole 202 is provided on 20, magnetic conductive part 30 is mounted in the through-hole 202 of coil rack 20, passes through the through-hole in coil rack 20
In 202 install magnetic conductive part 30, can intensifier coil generate magnetic field；It is provided with and main body rack 10 in the open end of main body rack 10
The electromagnetic shielding plate 40 being connected, for blocking the open end of main body rack 10, wherein in electromagnetic shielding plate 40 and magnetic conductive part 30
Between be provided with the first elastic component 50, the two sides of the first elastic component 50 are abutted against with magnetic conductive part 30 and electromagnetic shielding plate 40 respectively,
I.e. the first elastic component 50 is folded among magnetic conductive part 30 and electromagnetic shielding plate 40, for backstop magnetic conductive part 30 in coil rack 20
Movement in through-hole 202；Magnetic conductive part 30 is fixed in the through-hole 202 of coil rack 20 by the first elastic component 50 of setting, it can
Electromagnetic flowmeter is caused to generate vibration to the stabilization in magnetic field to prevent magnetic conductive part 30 from moving in the through-hole 202 of coil rack 20
Degree impacts, so that it is guaranteed that the measurement accuracy of electromagnetic flowmeter, with the side for passing through gluing fixation magnetic conductive part 30 in the related technology
Formula is compared, and it is slower to solve the problems, such as that the glue solidifies, accelerates the production efficiency of electromagnetic flowmeter, meanwhile, without passing through glue
Fixed magnetic conductive part 30, is also beneficial to the disassembly and maintenance of subsequent product.
As shown in Figures 1 to 5, in one embodiment of the utility model, it is preferable that the excitation damping of electromagnetic flowmeter
Structure further include: the second elastic component 60；The height of coil rack 20 is less than the depth of mounting groove, and the second elastic component 60 is folded in electricity
Between magnetic shield panel 40 and coil rack 20.
In this embodiment, specifically define that the height of coil rack 20 is less than the depth of mounting groove, specifically, electromagnetic screen
Shield plate 40 covers the open end for being located at main body rack 10, when in the mounting groove that coil rack 20 is located at main body rack 10, coil bone
There is certain spacing, excitation shock-damping structure further includes being folded in electromagnetic shielding between the upper surface and electromagnetic shielding plate 40 of frame 20
The second elastic component 60 between plate 40 and coil rack 20 makes electromagnetic shielding plate 40 and coil by the way that the second elastic component 60 is arranged
There is buffering between skeleton 20, so as to which coil rack 20 to be fixed in the mounting groove of main body rack 10, prevent coil bone
Frame 20 generates movement in mounting groove.
In one embodiment of the utility model, it is preferable that the first elastic component 50 is connected with the second elastic component 60, the
The periphery of the first elastic component 50 is arranged in two elastic components 60.
In this embodiment, the first elastic component 50 of setting is connected with the second elastic component 60, and the setting of the second elastic component 60 exists
The periphery of first elastic component 50, namely when the first elastic component 50 and the second elastic component 60 are commonly mounted in mounting groove, first
Elastic component 50 is folded between magnetic conductive part 30 and electromagnetic shielding plate 40, and the second elastic component 60 is folded in coil rack 20 and electromagnetic screen
Between shield plate 40, by the way that the first elastic component 50 and the second elastic component 60 are arranged simultaneously, so that electromagnetic shielding plate 40 and coil rack
Spacing between 20 is filled up by the first elastic component 50 and the second elastic component 60, and the first elastic component 50 and the second elastic component 60 can play
Buffer function, so as to play the role of fixed magnetic conductive part 30 and coil rack 20.
In one embodiment of the utility model, it is preferable that the first elastic component 50 and the second elastic component 60 are integral type
Structure.
In this embodiment, the first elastic component 50 and the second elastic component 60 are preferably an integral structure, because of integral type knot
The mechanical property of structure is good, it is thus possible to the bonding strength between the first elastic component 50 and the second elastic component 60 is improved, in addition, can incite somebody to action
First elastic component 50 and the second elastic component 60 are made into integration, batch production, to improve the processing efficiency of product, reduce adding for product
Work cost, also, by the way that the first elastic component 50 and the second elastic component 60 are designed as integrally formed integral structure, it improves
The globality of product, reduces number of components, reduces installation procedure, improves installation effectiveness, keeps the installation of product more square
It can lean on.
As shown in Fig. 2, in one embodiment of the utility model, it is preferable that the first elastic component 50 and magnetic conductive part 30 and
Spacing interference fit between electromagnetic shielding plate 40.
In this embodiment, pass through the spacing mistake between the first elastic component 50 of setting and magnetic conductive part 30 and electromagnetic shielding plate 40
It is full of cooperation, i.e., the thickness of the first elastic component 50 is greater than the spacing between magnetic conductive part 30 and electromagnetic shielding plate 40, when the first elastic component
50 by magnetic conductive part 30 and electromagnetic shielding plate 40 when being tightly pressed together in the spacing, since the first elastic component 50 generates elastic deformation
Magnetic conductive part 30 can be fixed in the through-hole 202 of coil rack 20 by restoring force afterwards, to further enhance the first elastic component
The fixed effect of 50 pairs of magnetic conductive parts 30 further prevents magnetic conductive part 30 to move in the through-hole 202 of coil rack 20 and lead to electricity
Magnetic flowmeter generates vibration to be influenced caused by the stability in magnetic field, so that it is guaranteed that the measurement accuracy of electromagnetic flowmeter.
In one embodiment of the utility model, it is preferable that the first elastic component 50 and magnetic conductive part 30 and electromagnetic shielding plate
The range of the magnitude of interference of spacing between 40 is 0.5mm to 1mm.
In this embodiment, the spacing between the first elastic component 50 and magnetic conductive part 30 and electromagnetic shielding plate 40 is specifically defined
The range of magnitude of interference be 0.5mm to 1mm, in the range, be on the one hand avoided that the first elastic component 50 and magnetic conductive part 30 and electricity
The magnitude of interference of spacing between magnetic shield panel 40 is too small, less than each components mismachining tolerance and lead to the thickness of the first elastic component 50
Degree is less than the spacing between magnetic conductive part 30 and electromagnetic shielding plate 40, can not be by magnetic conductive part 30 so as to cause there is the first elastic component 50
It is fixed on the problems in the through-hole 202 of coil rack 20；On the other hand, the first elastic component 50 and magnetic conductive part 30 and electromagnetic screen are avoided
The magnitude of interference of spacing between shield plate 40 problem that is excessive, and causing the first elastic component 50 difficult to install.
As shown in Figure 1 to Figure 3, in one embodiment of the utility model, it is preferable that the extending direction of through-hole 202 with
The opening direction of mounting groove is consistent.
In this embodiment, the extending direction and mounting groove of the through-hole 202 that is arranged on coil rack 20 are specifically described
Opening direction is consistent, and convenient for accurately and rapidly magnetic conductive part 30 is installed in through-hole 202 from the opening of mounting groove, promotion is led
The installation effectiveness of magnetic part 30.
As shown in Figure 1 to Figure 3, in one embodiment of the utility model, it is preferable that the excitation vibration damping of electromagnetic flowmeter
Structure further include: connector (not shown), to connect electromagnetic shielding plate 40 and main body rack 10；On electromagnetic shielding plate 40
It is provided with the first fixation hole 402；The second fixation hole 102 is provided on main body rack 10；It is fixed that one end of connector passes through first
Hole 402 is fixed in the second fixation hole 102.
In this embodiment, the excitation vibration-proof structure of electromagnetic flowmeter further includes connector, and connector is for connecting electromagnetism
Barricade 40 and main body rack 10 are specifically provided with the first fixation hole 402, in main body rack 10 on electromagnetic shielding plate 40
On be provided with the second fixation hole 102, one end of connector passes through the first fixation hole 402 and is fixed in the second fixation hole 102, passes through
Electromagnetic shielding plate 40 is fixed on main body rack 10 using connector, on the one hand improves electromagnetic shielding plate 40 and main body rack
On the other hand bonding strength between 10 can clamp the first elastic component being arranged between electromagnetic shielding plate 40 and magnetic conductive part 30
50, it further prevents magnetic conductive part 30 to move in the through-hole 202 of coil rack 20 and electromagnetic flowmeter is caused to generate vibration to magnetic
It is influenced caused by the stability of field, so that it is guaranteed that the measurement accuracy of electromagnetic flowmeter.
Preferably, connector is screw or bolt, using screw or is bolted and facilitates installation, saves cost, simplifies and gives birth to
Production. art improves production efficiency, while being convenient for subsequent demolition and maintenance.Certainly, between electromagnetic shielding plate 40 and main body rack 10
Connector can not also be used to connect, can also be attached using the mode such as buckling, slot is docked with pillar, herein not
It enumerates.
In one embodiment of the utility model, it is preferable that the first elastic component 50 is rubber parts or silica gel part；And/or
Second elastic component 60 is rubber parts or silica gel part.
In this embodiment, specifically describing the first elastic component 50 can be rubber parts or silica gel part and/or the second elastic component
60 can be rubber parts or silica gel part, and rubber parts and silica gel part have the advantages that performance is stable, the cost of material is low, easy to process.
Certainly, the first elastic component 50 and/or the second elastic component 60 can also be made of other flexible materials, can root
The first elastic component 50 and/or the second elastic component 60 appropriate are selected according to actual needs, it is numerous to list herein.
In one embodiment of the utility model, it is preferable that magnetic conductive part 30 is silicon steel column；And/or electromagnetic shielding plate 40
For sheet metal；And/or first elastic component 50 be non-magnetic elastic component.
In this embodiment, specifically describing magnetic conductive part 30 can be silicon steel column, and silicon steel column has good magnetic conductivity, by silicon
Steel column is arranged in the through-hole 202 of coil rack 20, can further enhance the magnetic field of coil generation；Further, silicon steel column is excellent
Choosing is superimposed by multiple silicon steel sheets to be formed；And/or electromagnetic shielding plate 40 is sheet metal, sheet metal has good electromagnetic shielding function
Can, also, sheet metal is readily produced, and cost is relatively low；And/or first elastic component 50 be non-magnetic elastic component, specifically define the
One elastic component 50 does not have magnetic conductivity, and the magnetic field generated after preventing the first elastic component 50 to have magnetic conductivity to coil impacts,
Ensure the quality of product.
The second aspect of the utility model provides a kind of electromagnetic flowmeter 100, comprising: any one of above-described embodiment
The excitation vibration-proof structure of the electromagnetic flowmeter of proposition；And induction electrode, be mounted on main body rack 10, and can with flow through
The liquid in pipeline on main body rack 10 is in contact.
Electromagnetic flowmeter 100 provided by the utility model, including the induction electrode being mounted on main body rack 10, and feels
Answer electrode that can be in contact with the liquid in the pipeline flowed through on main body rack 10, simultaneously as electricity provided by the utility model
Magnetic flowmeter has the excitation vibration-proof structure of the electromagnetic flowmeter proposed in any of the above-described embodiment, and then has any of the above-described reality
The beneficial effect for applying example, will not repeat them here.
In the description of this specification, term " multiple " then refers to two or more, unless otherwise restricted clearly, art
The orientation or positional relationship of the instructions such as language "upper", "lower" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
Describe the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention；Term " connection ", " installation ", " Gu
It is fixed " etc. shall be understood in a broad sense, for example, " connection " may be a fixed connection, may be a detachable connection, or integrally connect
It connects；It can be directly connected, it can also be indirectly connected through an intermediary.For the ordinary skill in the art, may be used
To understand the concrete meaning of above-mentioned term in the present invention as the case may be.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least the one of the utility model
In a embodiment or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment
Or example.Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (11)
1. a kind of excitation vibration-proof structure of electromagnetic flowmeter characterized by comprising
Main body rack, the main body rack are equipped with mounting groove；
Electromagnetic coil, for generating magnetic field, the electromagnetic coil includes coil rack and is wrapped on the coil rack
Coil, the electromagnetic coil are mounted in the mounting groove, are provided with through-hole on the coil rack；
Magnetic conductive part, setting is in the through hole；
The open end of the main body rack is arranged in electromagnetic shielding plate, and the electromagnetic shielding plate is connected with the main body rack,
To block the open end of the main body rack；And
First elastic component is arranged between the electromagnetic shielding plate and the magnetic conductive part, the side of first elastic component and institute
It states magnetic conductive part to abut against, the other side and the electromagnetic shielding plate of first elastic component abut against, with magnetic conductive part described in backstop
Movement.
2. the excitation vibration-proof structure of electromagnetic flowmeter according to claim 1, which is characterized in that the excitation shock-damping structure
Further include:
Second elastic component；
The height of the coil rack is less than the depth of the mounting groove, and second elastic component is folded in the electromagnetic shielding plate
Between the coil rack.
3. the excitation vibration-proof structure of electromagnetic flowmeter according to claim 2, which is characterized in that
First elastic component is connected with second elastic component, and first elastic component is arranged in second elastic component
Periphery.
4. the excitation vibration-proof structure of electromagnetic flowmeter according to claim 2, which is characterized in that
First elastic component and second elastic component are an integral structure.
5. the excitation vibration-proof structure of electromagnetic flowmeter according to any one of claim 1 to 3, which is characterized in that
Spacing interference fit between first elastic component and the magnetic conductive part and the electromagnetic shielding plate.
6. the excitation vibration-proof structure of electromagnetic flowmeter according to claim 5, which is characterized in that
The range of the magnitude of interference of spacing between first elastic component and the magnetic conductive part and the electromagnetic shielding plate is 0.5mm
To 1mm.
7. the excitation vibration-proof structure of electromagnetic flowmeter according to any one of claim 1 to 3, which is characterized in that
The extending direction of the through-hole is consistent with the opening direction of the mounting groove.
8. the excitation vibration-proof structure of electromagnetic flowmeter according to any one of claim 1 to 3, which is characterized in that described
The excitation vibration-proof structure of electromagnetic flowmeter further include:
Connector, to connect the electromagnetic shielding plate and the main body rack；
The first fixation hole is provided on the electromagnetic shielding plate；
The second fixation hole is provided on the main body rack；
One end of the connector passes through first fixation hole and is fixed in second fixation hole.
9. the excitation vibration-proof structure of electromagnetic flowmeter according to claim 2, which is characterized in that
First elastic component is rubber parts or silica gel part；And/or
Second elastic component is rubber parts or silica gel part.
10. the excitation vibration-proof structure of electromagnetic flowmeter according to any one of claim 1 to 3, which is characterized in that
The magnetic conductive part is silicon steel column；
And/or the electromagnetic shielding plate is sheet metal；
And/or first elastic component is non-magnetic elastic component.
11. a kind of electromagnetic flowmeter characterized by comprising electromagnetic flowmeter described in any one of claims 1 to 10
Excitation vibration-proof structure；And
Induction electrode is mounted on the main body rack, and can be with the liquid in the pipeline that flows through on the main body rack
It is in contact.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821987036.3U CN209043394U (en) | 2018-11-29 | 2018-11-29 | Electromagnetic flowmeter and its excitation vibration-proof structure |
| PCT/CN2018/121585 WO2020107547A1 (en) | 2018-11-29 | 2018-12-17 | Electromagnetic flowmeter and excitation damping structure thereof |
| CN201880073620.4A CN111406199A (en) | 2018-11-29 | 2018-12-17 | Electromagnetic flowmeter and excitation vibration reduction structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821987036.3U CN209043394U (en) | 2018-11-29 | 2018-11-29 | Electromagnetic flowmeter and its excitation vibration-proof structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209043394U true CN209043394U (en) | 2019-06-28 |
Family
ID=67043782
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821987036.3U Expired - Fee Related CN209043394U (en) | 2018-11-29 | 2018-11-29 | Electromagnetic flowmeter and its excitation vibration-proof structure |
| CN201880073620.4A Pending CN111406199A (en) | 2018-11-29 | 2018-12-17 | Electromagnetic flowmeter and excitation vibration reduction structure thereof |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880073620.4A Pending CN111406199A (en) | 2018-11-29 | 2018-12-17 | Electromagnetic flowmeter and excitation vibration reduction structure thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN209043394U (en) |
| WO (1) | WO2020107547A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111406199A (en) * | 2018-11-29 | 2020-07-10 | 深圳市大疆创新科技有限公司 | Electromagnetic flowmeter and excitation vibration reduction structure thereof |
| CN112119285A (en) * | 2019-09-17 | 2020-12-22 | 深圳市大疆创新科技有限公司 | Electromagnetic flowmeter, sprinkler and movable platform |
| WO2021087655A1 (en) * | 2019-11-04 | 2021-05-14 | 深圳市大疆创新科技有限公司 | Electromagnetic flowmeter, spraying system and unmanned aerial vehicle |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6983661B2 (en) * | 2003-05-15 | 2006-01-10 | Endress + Hauser Flowtec Ag | Electromagnetic flow sensor |
| CN203203635U (en) * | 2013-03-05 | 2013-09-18 | 郦敏 | Electromagnetic-type heat meter flow sensor |
| US9631962B2 (en) * | 2014-03-18 | 2017-04-25 | Rosemount Inc. | Magnetic core configuration for magnetic flowmeters having a plurality of layers of magnetically permeable material |
| CN203966773U (en) * | 2014-07-21 | 2014-11-26 | 红旗集团温州变压器有限公司 | A kind of core construction of amorphous alloy transformer |
| CN105606169A (en) * | 2016-01-28 | 2016-05-25 | 江苏润东仪表科技有限公司 | Environment-friendly high-precision electromagnetic flowmeter |
| CN107887110B (en) * | 2017-10-27 | 2019-06-18 | 温州市洞头立德电子有限公司 | A kind of electronic transformer of anticorrosive function |
| CN108871472A (en) * | 2018-06-01 | 2018-11-23 | 重庆川仪自动化股份有限公司 | A kind of magnetic circuit device enhancing Electromagnetic Flow signal |
| CN209043394U (en) * | 2018-11-29 | 2019-06-28 | 深圳市大疆创新科技有限公司 | Electromagnetic flowmeter and its excitation vibration-proof structure |
-
2018
- 2018-11-29 CN CN201821987036.3U patent/CN209043394U/en not_active Expired - Fee Related
- 2018-12-17 CN CN201880073620.4A patent/CN111406199A/en active Pending
- 2018-12-17 WO PCT/CN2018/121585 patent/WO2020107547A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111406199A (en) * | 2018-11-29 | 2020-07-10 | 深圳市大疆创新科技有限公司 | Electromagnetic flowmeter and excitation vibration reduction structure thereof |
| CN112119285A (en) * | 2019-09-17 | 2020-12-22 | 深圳市大疆创新科技有限公司 | Electromagnetic flowmeter, sprinkler and movable platform |
| WO2021051273A1 (en) * | 2019-09-17 | 2021-03-25 | 深圳市大疆创新科技有限公司 | Electromagnetic flowmeter, spraying apparatus and movable platform |
| CN112119285B (en) * | 2019-09-17 | 2024-01-19 | 深圳市大疆创新科技有限公司 | Electromagnetic flowmeter, sprinkler and movable platform |
| WO2021087655A1 (en) * | 2019-11-04 | 2021-05-14 | 深圳市大疆创新科技有限公司 | Electromagnetic flowmeter, spraying system and unmanned aerial vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111406199A (en) | 2020-07-10 |
| WO2020107547A1 (en) | 2020-06-04 |
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