CN106373705A - Electromagnet position sensing apparatus - Google Patents
Electromagnet position sensing apparatus Download PDFInfo
- Publication number
- CN106373705A CN106373705A CN201610870919.5A CN201610870919A CN106373705A CN 106373705 A CN106373705 A CN 106373705A CN 201610870919 A CN201610870919 A CN 201610870919A CN 106373705 A CN106373705 A CN 106373705A
- Authority
- CN
- China
- Prior art keywords
- electric magnet
- detecting element
- electromagnet
- location sensitive
- sensitive module
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
- H01F7/1844—Monitoring or fail-safe circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
- H01F7/1805—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
- H01F7/1844—Monitoring or fail-safe circuits
- H01F2007/185—Monitoring or fail-safe circuits with armature position measurement
Abstract
Disclosed is an electromagnet position sensing apparatus. The electromagnet position sensing apparatus comprises an electromagnet (1), an electromagnet position sensing module (11), a non-contact position detection element (21) and a control element, wherein the electromagnet position sensing module (11) is fixed at one end of an iron core (12) of the electromagnet (1); the non-contact position detection element (21) generates different position signals by detecting whether a sensing position exists on the electromagnet position sensing module (11) or not; the control element is connected with the non-contact position detection element (21) for receiving the positioning signals; and the control element is also connected with the electromagnet (1) so as to control the power supply to the electromagnet (1) according to the received position signals. By adoption of the electromagnet position sensing apparatus, the electromagnet state is obtained to control the power-on and power-off of the electromagnet by detecting the position of the iron core of the electromagnet which is connected with the electromagnet position sensing module through the non-contact position detection element, so that the hidden danger caused by counter-acting force applied in the action process of the electromagnet and after the electromagnet moves to a proper position is avoided.
Description
Technical field
The present invention relates generally to electric magnet applied technical field, more particularly, to a kind of electric magnet position induction device.
Background technology
At this stage simple latch is generally or using electric magnet dynamic iron core promotion thing for the application mode of electric magnet
The working method of body acting, and here due to needing long charged work, lead to institute in the case of needing to overcome external force to do work
Need electric magnet volume larger, in addition in actual applications, need in a lot of fields to use long charged driving and position is anti-
The combination application of feedback signal..And routine drives in the mode of jogging switches measurement, electric magnet needs to overcome the anti-work of microswitch
Firmly do work, it will lead to the bigger size of electric magnet needs and acting electric current, thus leading to electric magnet volume excessive or warm
Rise too high and produce hidden danger.
Content of the invention
Therefore, it is intended that exploitation is a kind of being filled with the low-power consumption new electromagnet that action signal detection is fed back using non-acting formula
Put, provide feedback signal by testing agency's cooperation of non-contact detection element and electric magnet, it is to avoid direct drive fine motion
Switch etc. can be applied in, in electromagnet action process and after putting in place, the hidden danger that counteracting force leads to.
A kind of one side according to invention, there is provided electric magnet position induction device, including electric magnet, includes noncontact
The electric magnet position detection components of position detecting element and corresponding electric magnet location sensitive module, control element；
Described electric magnet location sensitive module keeps being synchronized with the movement with the dynamic iron core of electric magnet；
Described non-contacting position detecting element is arranged on original position or the maximum travel position of electric magnet location sensitive module, root
Judge that the dynamic iron core of electric magnet is according to its sensed position with the presence or absence of the generation of electric magnet location sensitive module to stretch out or retraction shape
The position signalling of state；
Described control element connects non-contacting position detecting element, to receive the position of non-contacting position detecting element transmission
Signal；Control element is also connected with described electric magnet simultaneously, to control the confession power-off to electric magnet according to the position signalling receiving.
Because electric magnet location sensitive module keeps being synchronized with the movement with the dynamic iron core of electric magnet, when electric magnet dynamic iron core is because of electricity
Magnet is powered when extending out to maximum position, and electric magnet location sensitive module synchronization moves to its range, no matter noncontact
Position detecting element is located at situ or the maximum formation of electric magnet location sensitive module, all can leave original position or fortune
Move, to during range, signal intensity is sensed by non-contacting position detecting element, this signal can be used for judging that electric magnet moves ferrum
Core is in the location status retracted or stretch out, and, according to the electromagnetic driven plunger position status signal receiving, it is right to be formed for control element
The break-make signal of telecommunication of electric magnet, makes electric magnet work under the states such as small current, zero current, it is to avoid lasting high current is powered and led to
Intensification too high.
Further, the electric magnet location sensitive module of the present invention is fixed on one end of the dynamic iron core of electric magnet.So both
Achieve the Complete Synchronization of electric magnet location sensitive module and the motion of electric magnet dynamic iron core, eliminate needs exceptional space simultaneously
Electric magnet location sensitive module is installed and needs special purpose device to carry out DM location sensitive module with electric magnet dynamic iron core together
Step motion.
Further, the described non-contacting position detecting element of the present invention and described electric magnet location sensitive module do not connect
Touch.This is also that the element detecting electric magnet dynamic iron core position is named as " non-contacting position detecting element " reason.Described non-connect
Tactile position detecting element does not contact i.e. non-contacting position detecting element with electric magnet location sensitive module and not to electric magnet and its moves
Iron core produces the power of impact electric magnet dynamic iron core action, it is to avoid contact or the mutual position producing active force are detected to electricity
Magnet dynamic iron core produces active force and leads to electric magnet to need to overcome this active force and generation heat of doing work, and this active force may be right simultaneously
Electromagnet core produces mechanical damage.
Further, the non-contacting position detecting element of the present invention is optical detection device, corresponding electric magnet position
Induction module is the module stopping light.When the light that optical detection device detects its sensed position is blocked or occurs substantially to become
Change, different signals can be formed.
Or, the non-contacting position detecting element of the present invention is infrared detection device, corresponding electric magnet location sensitive mould
Block is spontaneous thermal modules.Spontaneous thermal modules are because higher than the temperature of surrounding enviroment and assembly, when it is through infrared detection device
During sensed position, forming position signal can be detected.
More or, the non-contacting position detecting element of the present invention is magnetic detecting element, corresponding electric magnet location sensitive mould
Block is magnetic module.
Further, the described electric magnet of the present invention is Self-retaining electromagnet or conventional non-Self-retaining electromagnet, works as electromagnetism
When ferrum is conventional non-Self-retaining electromagnet, the power supply to electric magnet adopts high voltage startup low pressure holding circuit.
Further, the inclusion non-contacting position detecting element of the present invention and corresponding electric magnet location sensitive module
Electric magnet position detection components be more than one group.Such as, can be set by the position of non-contacting position detecting element, make electromagnetism
Ferrum dynamic iron core extend out to the sensed position that electric magnet location sensitive module during maximum rating is located at non-contacting position detecting element, then
During electric magnet dynamic iron core retraction original position, electric magnet location sensitive module is located at the non-inductive position of non-contacting position detecting element；When
So can also reversely be set, will electric magnet dynamic iron core retraction original position when electric magnet location sensitive module correspond to noncontact
The sensed position of position detecting element；Then the difference in one end of electric magnet dynamic iron core installs two or more groups electromagnetism side by side
Ferrum location sensitive module and corresponding non-contacting position detecting element, extend and retract shape with measure electric magnet dynamic iron core respectively
State, or it is respectively mounted one or more groups of electric magnet location sensitive modules and corresponding noncontact at the two ends of electric magnet dynamic iron core
Position detecting element, extends and retracts state with measure electric magnet dynamic iron core respectively.
Further, the sensed position of non-contacting position detecting element is groove, and electric magnet location sensitive module is and institute
State the position stop of groove shapes coupling.
It is fixed on the technology of electric magnet dynamic iron core rear end (dynamic iron core stretches out direction rear end) in electric magnet location sensitive module
In scheme, in order to electric magnet itself is easy to assembly, technical scheme accommodation can be, in electric magnet dynamic iron core and the sense of electric magnet position
Answer increase dynamic iron core push rod between module, that is, dynamic iron core push rod two ends are respectively fixedly connected with dynamic iron core and electric magnet location sensitive mould
Block, and if dynamic iron core push rod has the performance of electric magnet location sensitive module, then may replace electric magnet location sensitive module,
Use as the electric magnet location sensitive module being detected by non-contacting position detecting element, corresponding non-contacting position detecting element
Installation site is adjusted according to electric magnet location sensitive module or substituted dynamic iron core push rod position change, this technical scheme
Changing does not affect other technologies details, merely to easy to assembly.
Further, the non-contacting position detecting element of the present invention is mutually solid with electric magnet and electric magnet location sensitive module
It is scheduled on auxiliary circuit board.They are fixed on auxiliary circuit board by screw or the mode such as riveting or bonding or external stability.
The present invention is by the non-contacting position induction module being synchronized with the movement with electric magnet dynamic iron core or even interfix, permissible
Move in relative position with non-contacting position detecting element and detected, to reach the timely mesh feeding back work of electromagnet state
's.Meanwhile, electric magnet dynamic iron core is stretched out or the bolt rod of its dynamic iron core external part prolongation stretches out, and equally comes with bolt principle
Reach structure and realize purpose with mechanism cooperation.Further, since present invention employs the location sensitive mode of non-direct contact type, electricity
Need not externally do work during magnet movement it is only necessary to overcome self resistance (gravity, magnetic resistance etc.), therefore can choose as far as possible little
Electric magnet.
Compared to prior art, advanced point is the present invention:
1st, electric magnet is integrated with contactless position detecting element, realizes work of electromagnet state-detection and control.
2nd, the electric magnet of the present invention can be made with Self-retaining electromagnet or conventional electromagnetic ferrum high voltage startup low pressure holding circuit
Obtain electric magnet to work under small current or zero current.
3rd, the contactless position detecting element that the present invention adopts, can use magnetic induction, thermoinduction, the noncontact such as photoinduction
Formula mode.
The 4th, the induction module of cooperation corresponding with contactless position detecting element is had on the electric magnet of the present invention.
5th, the control element of the present invention has the function of powering and provide position signalling feedback to electric magnet.
6th, the electric magnet of the present invention and contactless position detecting element can pass through the sides of being fastenedly connected such as pcb plate screw
Formula or tightened together with modes such as plastic packagings.
Brief description
From the detailed description to the embodiment of the present invention below in conjunction with the accompanying drawings, these and/or the other side of the present invention and
Advantage will become clearer from and is easier to understand, wherein:
Accompanying drawing 1 is the electric magnet position induction device perspective view according to the embodiment of the present invention；
Accompanying drawing 2 is the schematic perspective view of another angle of electric magnet position induction device according to the embodiment of the present invention；
Specific embodiment
In order that those skilled in the art more fully understand the present invention, with reference to the accompanying drawings and detailed description to this
Bright it is described in further detail.Here it is to be noted that it in the accompanying drawings, identical reference is given and substantially has
The ingredient of same or like 26S Proteasome Structure and Function, and will omit with regard to their repeated description.
In following illustrative description, it is illustrated taking single position induction device keeping electric magnet as a example, but this is only
For example, the electric magnet of the embodiment of the present invention, optocoupler detecting element, position stop (electric magnet location sensitive module) etc. all can quilts
It is replaced to other modes.
A kind of electric magnet position induction device, including electric magnet, includes non-contacting position detecting element and corresponding
The electric magnet position detection components of electric magnet location sensitive module, control element, auxiliary circuit board with an electronic circuit, and will
Auxiliary circuit board and the interconnective screw of electric magnet.Auxiliary circuit board has pin leads to draw to be connected with control element and controlled
System receives.
Electric magnet keeps electric magnet 1 using single, and non-contacting position detecting element is optocoupler detecting element 21, and the present embodiment is adopted
Power taking magnet positions induction module is fixed on the scheme that electric magnet dynamic iron core stretches out direction rear end, is that electric magnet is easy to assembly, electricity
Magnet dynamic iron core is stretched out direction rear end and is fixed with dynamic iron core push rod, and electric magnet location sensitive module is fixed on the another of dynamic iron core push rod
One end, electric magnet location sensitive module is position stop 11, and electric magnet dynamic iron core is stretched out direction and is fixedly arranged at the front end with latch；Optocoupler is examined
The sensed position surveying element 21 is arranged on position stop 11 present position when electric magnet dynamic iron core is stretched out.Electric magnet is by direct current control
System, when electromagnetism Tie Tong forward dc electricity, under magneticaction, electric magnet dynamic iron core pushrod movement to maximum position and keeps,
Now dynamic iron core is released forward, reaches the purpose of latch, and the position stop 11 of electric magnet is displaced to the sense of optical coupled switch 21 simultaneously
Answer position so that output switch parameter changes, and provide, to external control circuit, the feedback letter number that puts in place, now, control element receives
To after signal, stop output direct current and supply electricity to electric magnet 1, electric magnet is maintained at the operating position that dynamic iron core is stretched out.
And when control element leads to reverse unidirectional current to electric magnet 1, under magneticaction, electric magnet dynamic iron core push rod is reverse
Move to maximum position and keep, now bolt rod 12 rollback backward, reach the purpose releasing latch, the position of electric magnet simultaneously
Block 11 is displaced to the non-inductive position of optical coupled switch 21 so that output switch parameter change, and be given to control element put in place anti-
Feedback signal, now, after control element receives signal, stops output direct current and supplies electricity to electric magnet 1, electric magnet is maintained at dynamic iron core contracting
The off-position returning.
It should be noted that the embodiment of this patent is not limited to previously described example, also can be evolved into other and be similar to
Frame mode, for example with conventional non-Self-retaining electromagnet, or adopt infrared sensing switch, the noncontact such as magnetic induction switch
Formula induction mode is with identical purpose.
In above-described embodiment, keep electric magnet and optocoupler detecting element as electric magnet and non-contacting position inspection using single
Survey the example of element, but this is only used as example rather than as limiting, and can take other switch form.Have been described above
Various embodiments of the present invention, described above is exemplary, and non-exclusive, and it is also not necessarily limited to disclosed each enforcement
Example.In the case of the scope and spirit without departing from illustrated each embodiment, for those skilled in the art
For many modifications and changes will be apparent from.Therefore, protection scope of the present invention should be with the protection model of claim
Enclose and be defined.
Claims (10)
1. a kind of electric magnet position induction device, including electric magnet (1), electric magnet position detection components, control element, electric magnet
Position detection components include non-contacting position detecting element (21) and corresponding electric magnet location sensitive module (11)；
Described electric magnet location sensitive module (11) keeps being synchronized with the movement with the dynamic iron core (12) of electric magnet (1)；
Described non-contacting position detecting element (21) is arranged on original position or the range position of electric magnet location sensitive module (11)
Put, the dynamic iron core (12) that electric magnet location sensitive module (11) produces instruction electric magnet (1) be whether there is according to its sensed position
Be in stretch out or retracted mode position signalling；
Described control element connects non-contacting position detecting element (21), to receive what non-contacting position detecting element (21) sent
Position signalling；Control element is also connected with described electric magnet (1) simultaneously, to be controlled to electric magnet according to the position signalling receiving
(1) confession power-off.
2. electric magnet position induction device as claimed in claim 1, wherein said electric magnet location sensitive module (11) is fixing
One end in the dynamic iron core (12) of electric magnet (1).
3. electric magnet position induction device as claimed in claim 2, wherein said non-contacting position detecting element (21) and institute
State electric magnet location sensitive module (11) not contact.
4. electric magnet position induction device as claimed in claim 3, non-contacting position detecting element (21) therein is photoelectricity
Detecting element, corresponding electric magnet location sensitive module (11) is the module stopping light.
5. electric magnet position induction device as claimed in claim 3, wherein non-contacting position detecting element (21) are infrared inspection
Survey element, corresponding electric magnet location sensitive module (11) is spontaneous thermal modules.
6. electric magnet position induction device as claimed in claim 3, wherein non-contacting position detecting element (21) are Magnetic testi
Element, corresponding electric magnet location sensitive module (11) is magnetic module.
7. electric magnet position induction device as claimed in claim 3, wherein said electric magnet (1) is Self-retaining electromagnet or normal
Advise non-Self-retaining electromagnet, when electric magnet (1) is conventional electromagnetic ferrum, the power supply to electric magnet (1) adopts high voltage startup low pressure
Holding circuit.
8. electric magnet position induction device as claimed in claim 3, wherein said electric magnet position detection components are more than one group.
9. electric magnet position induction device as claimed in claim 3, the sensing position of described non-contacting position detecting element (21)
It is set to groove, electric magnet location sensitive module (11) is the position stop mated with described groove shapes.
10. electric magnet position induction device as claimed in claim 9, wherein non-contacting position detecting element (21) and electric magnet
(1) interfix on auxiliary circuit board (2) with electric magnet location sensitive module (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610870919.5A CN106373705A (en) | 2016-09-30 | 2016-09-30 | Electromagnet position sensing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610870919.5A CN106373705A (en) | 2016-09-30 | 2016-09-30 | Electromagnet position sensing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106373705A true CN106373705A (en) | 2017-02-01 |
Family
ID=57897778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610870919.5A Pending CN106373705A (en) | 2016-09-30 | 2016-09-30 | Electromagnet position sensing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106373705A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873099A (en) * | 2018-08-03 | 2018-11-23 | 广州市安屯尼电子科技有限公司 | A kind of locking detection structure, detection method, mobile power source charging module and mobile power source in place |
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| CN201465703U (en) * | 2009-05-11 | 2010-05-12 | 许益人 | Electromagnet with working condition detecting device |
| CN105311709A (en) * | 2015-09-23 | 2016-02-10 | 重庆天如生物科技有限公司 | Non-contact double-passage flow blocking device |
| JP2016080131A (en) * | 2014-10-22 | 2016-05-16 | 大豊工業株式会社 | Direct-acting actuator |
| CN105804513A (en) * | 2016-04-06 | 2016-07-27 | 苏州耀德科电磁技术有限公司 | Direct-current self-resetting electromagnet |
| CN206210515U (en) * | 2016-09-30 | 2017-05-31 | 深圳易瓦科技有限公司 | Electromagnet position induction device |
-
2016
- 2016-09-30 CN CN201610870919.5A patent/CN106373705A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1348071A (en) * | 2000-10-06 | 2002-05-08 | 速睦喜股份有限公司 | Change valve with magnetic sensor |
| CN200959268Y (en) * | 2006-10-13 | 2007-10-10 | 珠海优特电力科技股份有限公司 | Magnetic-retaining solenoid with signal feedback |
| CN201465703U (en) * | 2009-05-11 | 2010-05-12 | 许益人 | Electromagnet with working condition detecting device |
| JP2016080131A (en) * | 2014-10-22 | 2016-05-16 | 大豊工業株式会社 | Direct-acting actuator |
| CN105311709A (en) * | 2015-09-23 | 2016-02-10 | 重庆天如生物科技有限公司 | Non-contact double-passage flow blocking device |
| CN105804513A (en) * | 2016-04-06 | 2016-07-27 | 苏州耀德科电磁技术有限公司 | Direct-current self-resetting electromagnet |
| CN206210515U (en) * | 2016-09-30 | 2017-05-31 | 深圳易瓦科技有限公司 | Electromagnet position induction device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108873099A (en) * | 2018-08-03 | 2018-11-23 | 广州市安屯尼电子科技有限公司 | A kind of locking detection structure, detection method, mobile power source charging module and mobile power source in place |
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Application publication date: 20170201 |
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