CN208720980U - A kind of die assembly and current vortex sensor for fixed inductance coil - Google Patents
A kind of die assembly and current vortex sensor for fixed inductance coil Download PDFInfo
- Publication number
- CN208720980U CN208720980U CN201820988536.2U CN201820988536U CN208720980U CN 208720980 U CN208720980 U CN 208720980U CN 201820988536 U CN201820988536 U CN 201820988536U CN 208720980 U CN208720980 U CN 208720980U
- Authority
- CN
- China
- Prior art keywords
- inductance coil
- pushing tow
- segment
- substrate
- opening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000758 substrate Substances 0.000 claims abstract description 41
- 239000007787 solid Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 17
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000005339 levitation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 239000000523 sample Substances 0.000 description 5
- 239000000725 suspension Substances 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Coils Or Transformers For Communication (AREA)
Abstract
The utility model relates to magnetic levitation technology fields, and in particular to a kind of die assembly and current vortex sensor for fixed inductance coil.Die assembly provided by the utility model includes positioning column and yoke frame, positioning column includes columned second segment, the side wall surface of second segment is equipped with pushing tow protrusion, the second segment of positioning column is put into the through-hole on substrate when in use, the first opening is equipped on substrate, pushing tow protrusion is located in the first opening at this time, then using yoke frame inductance coil push-in first is open interior and be resisted against on the outer end face of pushing tow protrusion, it is fixed on inductance coil in the first opening, then dispensing between inductance coil and substrate in being open first, it is fixed on inductance coil in the first opening, it is more convenient for the installation fixation of inductance coil in this way, and pushing tow protrusion and the cooperation of the first opening can preferably position the installation site of inductance coil, inductance coil installation site is more accurate.
Description
Technical field
The utility model relates to magnetic levitation technology fields, and in particular to a kind of die assembly for fixed inductance coil and
Current vortex sensor.
Background technique
Miniature motor is the most common form for converting electrical energy into mechanical energy, is had in household electrical appliance and industrial circle
It is widely applied.Traditional motor mainly includes motor stator portion, rotor part, rotor supports bearing, casing etc.
Part.The mechanical bearing as used in conventional motors will lead to bearing retainer under ultrahigh rotating speed and cross cause thermal damage and cannot achieve
Long-term operating, and mechanical bearing needs lubricating oil to maintain, and had not only influenced electrical machinery life in this way but also had been unfavorable for the cleaning of equipment.Cause
This is in order to realize that the long-life of ultrahigh rotating speed operation and equipment, cleaning oil-free must use contactless support side in the motor
Formula, i.e. magnetic suspension supporting way.And magnetic suspension bearing can also realize vibration suppression by active control, realize equipment
Super steady super quiet operation.The core component of magnetic suspension bearing includes magnetic suspension bearing ontology, displacement sensor, playing floating ring, (machinery is standby
With bearing).
Current vortex sensor can statically and dynamically non-contact, high linearity, measure metal conductor measured to high resolution
Away from detecting head surface distance.It is a kind of non-contacting linearisation metering outfit.Current vortex sensor can accurately measure measured body (must
Must be metallic conductor) and probe tip face between static and dynamic relative displacement change.
Current vortex sensor probe coil is wound on plastics probe in the prior art, passes through a bracket (or circuit
Plate) plastics probe is placed near detected body, probe coil is connected by cable with fore-lying device.Entire technical process is more numerous
It is trivial, and the cable being connected with coil needs properly to fix, and otherwise the junction of cable and coil easily disconnects；In addition existing
The small volume of inductance coil on current vortex sensor is not easily controlled in installation fixation procedure, is easy to appear inductor wire
The problem of extraction thread breakage on circle.Therefore, current current vortex sensor needs to be made biggish volume, in this way convenient for peace
Dress.
Utility model content
(1) the technical problem to be solved by the utility model is to inductance coil volume on existing current vortex sensor
It is small, fixed inconvenient, the problem of being easy to appear the extraction thread breakage of inductance coil.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides a kind of die assembly for fixed inductance coil,
Including positioning column and yoke frame, the positioning column includes first segment and columned second segment, the lower end of the first segment and institute
The upper end for stating second segment is fixedly connected, and the side wall surface of the second segment is equipped at least one pushing tow protrusion, the pushing tow protrusion
It is corresponded with the quantity of the yoke frame, the yoke frame is used to for the inductance coil being resisted against the outer of the pushing tow protrusion
On surface.
The utility model has the beneficial effects that die assembly provided by the utility model includes positioning column and yoke frame, it is described
Positioning column is equipped with columned second segment, and the side wall surface of the second segment is equipped at least one pushing tow protrusion, the pushing tow
Part is used to for the inductance coil being resisted against the outer surface of the pushing tow protrusion；The second segment of positioning column is put into when in use
In through-hole on the substrate, it is equipped with the first opening on the substrate, pushing tow protrusion is located in first opening at this time, so
Using yoke frame inductance coil push-in first is open interior afterwards and be resisted against on the outer end face of the pushing tow protrusion, makes the inductance
Coil is fixed in the first opening, and then the dispensing between inductance coil and substrate in the first opening, is fixed on inductance coil
It is more convenient for the installation fixation of inductance coil in this way in first opening, and the cooperation of pushing tow protrusion and the first opening
Preferably the installation site of inductance coil can be positioned, inductance coil installation site is more accurate.
Further, the pushing tow protrusion is equipped with multiple, and multiple pushing tow protrusions are in the side wall surface of the second segment
It is uniformly distributed.
Further, the pushing tow protrusion is cuboid, and the side wall surface of the second segment protrudes outward to form the top
Push away protrusion.
Further, the yoke frame is mandril, and the mandril has pushing tow plane and cooperation plane, the cooperation plane
It is mutually perpendicular to the pushing tow plane, the pushing tow plane is used to for the inductance coil being resisted against the appearance of the pushing tow protrusion
Face.
Further, the mandril is semicylinder.
The utility model additionally provides a kind of current vortex sensor, including substrate and inductance coil, sets in the middle part of the substrate
There is the second circular through hole, the circumferential direction of the second circular through hole inner wall is equipped at least one first opening, and each described first
The inductance coil is fixed in opening.
Further, first opening is equipped with multiple, and multiple first openings are in the second circular through hole inner wall
Circumferential direction on be uniformly distributed.
Further, the substrate is annulus plate structure, and the substrate is equipped with dowel hole.
Further, the current vortex sensor further includes circuit board, and the circuit board is fixed on the upper end of the substrate,
The circuit board is equipped with third circular through hole, and the internal diameter of the third circular through hole is greater than the interior of second circular through hole
Diameter, the outer diameter of the third circular through hole are less than or equal to the outer diameter of second circular through hole；
The circuit board is equipped with terminals, and the lead-out wire of the inductance coil is electrically connected with the terminals on the circuit board
It connects.
Further, the substrate is circuit board, and the circuit board is equipped with terminals, the lead-out wire of the inductance coil
It is electrically connected with the terminals on the circuit board.
Detailed description of the invention
The advantages of the utility model is above-mentioned and/or additional aspect will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the decomposition texture schematic diagram of positioning seat and substrate described herein；
Fig. 2 is the decomposition texture schematic diagram of positioning column and substrate cooperation in the application；
Fig. 3 is the decomposition texture schematic diagram of the fixed inductance coil of positioning column in the application；
Fig. 4 is the structural schematic diagram of the fixed inductance coil of positioning column in the application；
Fig. 5 is the structural schematic diagram of the substrate and inductance coil cooperation；
Fig. 6 is the structural schematic diagram of substrate and circuit board cooperation；
Fig. 7 is the fluid figure of current vortex sensor described herein；
Fig. 8 is the top view of current vortex sensor described herein.
Wherein corresponding relationship of the Fig. 1 into Fig. 8 between appended drawing reference and component names are as follows:
1, positioning column, 11, first segment, 12, second segment, 121, pushing tow protrusion, 2, yoke frame, 3, positioning seat, the 31, first circle
Shape through-hole, 32, positioning pin, 4, substrate, the 41, first opening, 42, dowel hole, the 43, second circular through hole, 5, circuit board, 51,
Third circular through hole, 52, terminals, 6, inductance coil.
Specific embodiment
In order to be more clearly understood that the above objects, 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.
As shown in Figures 1 to 4, the utility model provides a kind of die assembly for fixed inductance coil 6, including fixed
Position column 1 and yoke frame 2, the positioning column 1 include first segment 11 and columned second segment 12, the lower end of the first segment 11 with
The upper end of the second segment 12 is fixedly connected, and the side wall surface of the second segment 12 is equipped at least one pushing tow protrusion 121, described
Pushing tow protrusion 121 and the quantity of the yoke frame 2 correspond, and the yoke frame 2 is used to the inductance coil 6 being resisted against institute
On the outer surface for stating pushing tow protrusion 121.
Die assembly provided by the utility model includes positioning column 1 and yoke frame 2, and the positioning column 1 is equipped with cylindric
Second segment 12, the side wall surface of the second segment 12 is equipped at least one pushing tow protrusion 121, and the yoke frame 2 is used for institute
Inductance coil 6 is stated to be resisted against on the outer surface of the pushing tow protrusion 121；The second segment 12 of positioning column 1 is put into institute when in use
It states in the through-hole on substrate 4, the first opening 41 is equipped on the substrate 4, pushing tow protrusion 121 is located at first opening at this time
In 41, the side wall surface of second segment 12 and the side wall surface of first circular through hole 31 lean at this time, and block the second segment
12 to be positioned, and then the push-in of inductance coil 6 first is open in 41 using yoke frame 2 and is resisted against the pushing tow protrusion
On 121 outer end face, be fixed on the inductance coil 6 in first opening 41, then first opening 41 in inductance coil 6 with
Dispensing between substrate 4 is fixed on inductance coil 6 in first opening 41, the installation of inductance coil 6 is fixed in this way
It is more convenient, and pushing tow protrusion 121 with first opening 41 cooperate can the installation site preferably to inductance coil 6 determine
Position, 6 installation site of inductance coil are more accurate.
As shown in Figures 2 to 4, the first segment 11 of the positioning column 1 is cylindrical body, and the second segment 12 is also cylindrical body,
The outer diameter of the second segment 12 is greater than the outer diameter of the first segment 11, and it is convex that the side wall surface of the second segment 12 is equipped with the pushing tow
121 are played, the pushing tow protrusion 121 is cuboid, such as cuboid, square；The outside pleurapophysis of side wall surface of the second segment 12
Form the pushing tow protrusion 121 out, the thickness of the pushing tow protrusion 121 is less than the depth of first opening 41, and described the
Two section 12 of outer diameter is equal to or slightly less than the energy of the second circular through hole 43 on the substrate 4, is put into second in second segment 12 in this way
When in circular through hole 43, therebetween almost without gap, the pushing tow protrusion 121 just fully enters first opening 41
Interior, the size that pushing tow protrusion 121 enters first opening 41 is fixed, therefore positioning is more accurate；Then pass through pushing tow
Inductance coil 6 is put into the first opening 41 and leans with the lateral surface of the pushing tow protrusion 121 by part 2, at this time inductance coil
6 first opening 41 in position be it is fixed, position it is more accurate.
Preferably, the pushing tow protrusion is equipped with more than 121, and multiple pushing tow protrusions 121 are in the side of the second segment 12
It is uniformly distributed on wall surface, the top due to the cooperation of 1 second segment 12 and the first opening 41 of positioning column, in each first opening 41
The fixation position for pushing away protrusion 121 is fixed.
As shown in Figure 3 and Figure 4, the yoke frame 2 is mandril, and the mandril 2 has cooperation plane and pushing end, the top
It pushes away end and is equipped with fixed column, as shown in Fig. 5 to Fig. 8, the inductance coil 6 is annular in shape, as shown in figure 3, first by inductance coil 6
It covers in the fixed column, inductance coil 6 is secured to the top of the mandril 2 at this time, and the top of the mandril 2 is institute
Pushing end is stated, fixed column is arranged on mandril 2 more convenient to be fixed on inductance coil 6 on the mandril 2, in this way
It is more convenient in the installation space that inductance coil 6 is put into the first opening 41, it is only necessary to which that mandril 2 described in pushing tow are being pushed up
It does not need to fix the inductance coil 6 again during pushing away, is convenient for operation.Specifically, when the inductance coil 6 described in pushing tow, such as Fig. 3
Shown, first by 6 sets of inductance coil in the fixed column, the length of fixed column is less than the thickness of the inductance coil 6, such as Fig. 4
It is shown, then the inductance coil 6 is put into installation space, cooperate planar pressing in the upper surface of the substrate 4 at this time, so
It pushes mandril 2 that the inductance coil 6 is made to be close to the pushing tow protrusion 121 afterwards, the inductance coil 6 can be fixed in this way
In the installation space, then inductance coil 6 and the substrate 4 is fixed.As shown in Figure 3 and Figure 4, the mandril is semicircle
Cylinder, the cross sectional shape of the semicylinder are semicircle, and the inductance coil 6 is annular shape, and the outer diameter of the mandril is greater than
Equal to the outer diameter of the inductance coil 6, the stress equalization of inductance coil 6 can be made in this way, be preferably fixed；The cooperation
Plane is the baseplane of the mandril.
Preferably, die assembly described herein further includes positioning seat 3, and the positioning seat 3 is in annulus plate structure, institute
The middle part for stating positioning seat 3 is equipped with the first circular through hole 31, and the positioning seat 3 is equipped with positioning pin 32, institute on the positioning seat
State two opposite positioning for being set to 31 two sides of the first circular through hole of the positioning pins 32 there are two positioning pin 32 sets
The upper surface of seat 3, and the positioning pin 32 is vertical with positioning seat 3 connect, two positioning pins 32 of correspondence on the substrate 4
Position is set there are two location hole, the substrate 4 and the positioning seat 3, is carried out by the cooperation of positioning pin 32 and respective pin hole 42
It positions and fits together, substrate 4 can be avoided by the positioning of positioning pin 32 and pin hole 42 the problem of moving shaking occur,
Guarantee the stability and reliability of assembly.Wherein the substrate 4 and the positioning seat 3 all can be integrally formed in this application
Structure, as injection molding or turning form；Certainly, the positioning column 1 is also possible to individual structure and fixation in this application
On positioning seat 3, as described in being fixed on by way of welding, grafting on positioning seat 3, equally it can be realized in the application
To the purpose that substrate 4 and positioning seat 3 are positioned, objective should belong to guarantor of the invention without departing from design philosophy of the invention
Protect range.
As shown in Figure 7 and Figure 8, the current vortex sensor prepared using the preparation process of above-described embodiment, including base
Plate 4 and inductance coil 6, are equipped with the second circular through hole 43 in the middle part of the substrate 4, in the circumferential direction of 43 inner wall of the second circular through hole
Equipped at least one the first opening 41, the inductance coil 6 is fixed in each first opening 41.
Current vortex sensor provided by the present application, inductance coil 6 are fixed on by above-mentioned current vortex sensor preparation process
In first opening 41, such fixation of inductance coil 6 is more easier, and can reduce the manufacture difficulty and system of current vortex sensor
This is caused, it is too small to solve 6 volume of inductance coil in the prior art, it is not easy to fixed problem be installed, and then avoid inductor wire
The case where enclosing the extraction thread breakage on 6, can be improved yield rate.In addition the installation site of inductance coil 6 is accurate, therefore detection accuracy
It is higher；Simpler for the fixation of current vortex sensor, structure is simple, compact, small in size, is advantageously implemented and uses the electricity whirlpool
Flow sensor does the miniaturization of the equipment of displacement detecting, improves the whole mechanical positioning accuracy of equipment.
Preferably, as shown in Fig. 5 to Fig. 8, first opening 41 is equipped with multiple, and multiple first openings are 41 described
It is uniformly distributed in the circumferential direction of second circular through hole, 43 inner wall；Further, there are four first opening 41 is set, in this way described
Just fixed on substrate 4 there are four the inductance coils 6, can detect the location information in four orientation up and down simultaneously, detect
As a result more acurrate, detection accuracy is higher.
Optionally, as shown in fig. 6, the current vortex sensor further includes circuit board 5, the circuit board 5 is fixed on described
The upper end of substrate 4, the circuit board 5 are equipped with third circular through hole 51, and the internal diameter of the third circular through hole 51 is greater than described
The outer diameter of the internal diameter of second circular through hole 43, the third circular through hole 51 is less than or equal to second circular through hole 43
Outer diameter；
The circuit board 5 is equipped with terminals 52 and control circuit, the lead-out wire and the circuit board of the inductance coil 6
Terminals 52 on 5 are electrically connected, and two lead-out wires of each inductance coil 6 are connect with individual two terminals 52,
I.e. each corresponding two individual terminals 52 of the inductance coil 6.
Certainly, the substrate 4 can also be provided directly as to circuit board 5 in this application, the circuit board 5 is equipped with and connects
Line end 52, the lead-out wire of the inductance coil 6 are electrically connected with the terminals 52 on the circuit board 5, equally can be realized this
The purpose of application, objective should belong to protection scope of the present invention without departing from design philosophy of the invention.
In conclusion die assembly provided by the utility model includes positioning column and yoke frame, the positioning column is equipped with
Columned second segment, the side wall surface of the second segment are equipped at least one pushing tow protrusion, and the yoke frame is used for will be described
Inductance coil is resisted against on the outer surface of the pushing tow protrusion；The second segment of positioning column is put on the substrate when in use
In through-hole, it is equipped with the first opening on the substrate, pushing tow protrusion is located in first opening at this time, then utilizes yoke frame
It in the first opening of inductance coil push-in and will be resisted against on the outer end face of the pushing tow protrusion, the inductance coil made to be fixed on the
In one opening, the then dispensing between inductance coil and substrate in the first opening makes inductance coil be fixed on first opening
It is interior, it is more convenient for the installation fixation of inductance coil in this way, and the cooperation of pushing tow protrusion and the first opening can be preferably right
The installation site of inductance coil is positioned, and inductance coil installation site is more accurate.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term " on ", "lower"
To be based on the orientation or positional relationship shown in the drawings, it is merely for convenience of describing the present invention and simplifying the description, without referring to
Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage
Solution is limitations of the present invention.In addition, term " first ", " second " are used for description purposes only, and should not be understood as indicating
Or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connection ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be direct connection, can also by intermediary indirect communication,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.In addition, in the description of the present invention, unless otherwise indicated, " multiples' " contains
Justice is two or more.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of die assembly for fixed inductance coil, it is characterised in that: including positioning column and yoke frame, the positioning column
Including first segment and columned second segment, the lower end of the first segment is fixedly connected with the upper end of the second segment, and described
Two sections of side wall surface is equipped at least one pushing tow protrusion, the quantity one-to-one correspondence of the pushing tow protrusion and the yoke frame, institute
Yoke frame is stated for the inductance coil to be resisted against to the outer surface of the pushing tow protrusion.
2. die assembly according to claim 1, it is characterised in that: the pushing tow protrusion is equipped with multiple, multiple tops
Protrusion is pushed away to be uniformly distributed in the side wall surface of the second segment.
3. die assembly according to claim 1, it is characterised in that: the pushing tow protrusion is cuboid, the second segment
Side wall surface protrude outward to form pushing tow protrusion.
4. die assembly according to claim 1, it is characterised in that: the yoke frame is mandril, one end of the mandril
Equipped with fixed column, the inductance coil is mounted on one end of the mandril by the fixed column.
5. die assembly according to claim 4, it is characterised in that: the mandril is semicylinder.
6. a kind of current vortex sensor, including substrate and inductance coil, it is characterised in that: it is round to be equipped with second in the middle part of the substrate
Through-hole, the circumferential direction of the second circular through hole inner wall are equipped at least one first opening, and each first opening is interior solid
A fixed inductance coil.
7. current vortex sensor according to claim 6, it is characterised in that: first opening is equipped with multiple, Duo Gesuo
The first opening is stated to be uniformly distributed in the circumferential direction of the second circular through hole inner wall.
8. current vortex sensor according to claim 6, it is characterised in that: the substrate is annulus plate structure, described
Substrate is equipped with dowel hole.
9. according to the described in any item current vortex sensors of claim 6 to 8, it is characterised in that: the current vortex sensor is also
Including circuit board, the circuit board is fixed on the upper end of the substrate, and the circuit board is equipped with third circular through hole, and described the
The internal diameter of three circular through holes is greater than the internal diameter of second circular through hole, and the outer diameter of the third circular through hole is less than or equal to institute
State the outer diameter of the second circular through hole；
The circuit board is equipped with terminals, and the lead-out wire of the inductance coil is electrically connected with the terminals on the circuit board.
10. according to the described in any item current vortex sensors of claim 6 to 8, it is characterised in that: the substrate is circuit board,
The circuit board is equipped with terminals, and the lead-out wire of the inductance coil is electrically connected with the terminals on the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820988536.2U CN208720980U (en) | 2018-06-25 | 2018-06-25 | A kind of die assembly and current vortex sensor for fixed inductance coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820988536.2U CN208720980U (en) | 2018-06-25 | 2018-06-25 | A kind of die assembly and current vortex sensor for fixed inductance coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208720980U true CN208720980U (en) | 2019-04-09 |
Family
ID=65972014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820988536.2U Active CN208720980U (en) | 2018-06-25 | 2018-06-25 | A kind of die assembly and current vortex sensor for fixed inductance coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208720980U (en) |
-
2018
- 2018-06-25 CN CN201820988536.2U patent/CN208720980U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207049193U (en) | A kind of permanent magnetism off-set magnetic suspension unit and magnetic suspension motor | |
| CN208386352U (en) | A kind of current vortex sensor and a kind of magnetic suspension motor | |
| US6323637B1 (en) | Miniature crossed coil gauge having an active flux ring | |
| CN104813175A (en) | Current and/or voltage sensing device for integrative use | |
| CN102753942A (en) | Actuator and sensor assembly | |
| CN201830125U (en) | Structure of direct-current brushless motor sensing with Hall element | |
| CN108880119B (en) | A kind of current vortex sensor preparation process | |
| CN102762933B (en) | Internal position and limit sensor for free piston machines | |
| CN108414030A (en) | A kind of temperature and pressure integral sensor | |
| CN109983665A (en) | Motor | |
| CN208720980U (en) | A kind of die assembly and current vortex sensor for fixed inductance coil | |
| CN104101899A (en) | Multi-coil multi-terminal closed-loop geophone accelerometer | |
| CN109029231A (en) | A kind of current vortex sensor and its processing technology and a kind of magnetic suspension motor | |
| CN208383054U (en) | A kind of current vortex sensor and a kind of magnetic suspension motor | |
| CN208386351U (en) | A kind of current vortex sensor and a kind of magnetic suspension motor | |
| CN211697850U (en) | Magnetoelectric revolution speed transducer and revolution speed detecting system | |
| CN110780105B (en) | Graphene current sensor | |
| CN111980939A (en) | Non-contact type measuring device and method for measuring axial play amount of main shaft of shield pump | |
| CN113640538A (en) | Magnetoelectric revolution speed transducer and revolution speed detecting system | |
| CN115632533A (en) | Permanent magnet synchronous motor magnetic variable real-time monitoring device and monitoring method | |
| CN102539591A (en) | Small-sized hydrogen flame ionization detection device | |
| CN211791046U (en) | Brush lifting device for electric brush | |
| CN107655615A (en) | Pressure-detecting device and kitchen appliance for kitchen appliance | |
| CN207456668U (en) | For the pressure-detecting device and kitchen appliance of kitchen appliance | |
| CN117128842B (en) | Displacement sensor probe, displacement sensor detection circuit and magnetic suspension system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200527 Address after: 100095 Unit 301-B146, Building 17, No. 3 Gaolizhang Road, Haidian District, Beijing Patentee after: Beijing Kuntengmig Technology Co.,Ltd. Address before: 518000 1B1704, Jinji Road, Nanshan street, Shenzhen, Guangdong, Nanshan District 1, China Patentee before: SHENZHEN MAGNETIC POWER TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240112 Address after: Room 1612-06, Building 3, Skywing Business Center, No. 133 Hongtai Road, Shangcheng District, Hangzhou City, Zhejiang Province, 310009 Patentee after: Hangzhou Kuntai Maglev Technology Co.,Ltd. Address before: Room 301-B146, Unit 1, Building 17, Yard 3, Gaolizhang Road, Haidian District, Beijing 100095 Patentee before: Beijing Kuntengmig Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |