CN105513894A - Non-magnetic position detection sensor - Google Patents

Non-magnetic position detection sensor Download PDF

Info

Publication number
CN105513894A
CN105513894A CN201610018591.4A CN201610018591A CN105513894A CN 105513894 A CN105513894 A CN 105513894A CN 201610018591 A CN201610018591 A CN 201610018591A CN 105513894 A CN105513894 A CN 105513894A
Authority
CN
China
Prior art keywords
magnetic
action movie
glue box
plate
sheet
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.)
Granted
Application number
CN201610018591.4A
Other languages
Chinese (zh)
Other versions
CN105513894B (en
Inventor
刘利
龙克文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Yifu Technology Co Ltd
Foshan Chuandong Magnetoelectricity Co Ltd
Original Assignee
Foshan Yifu Technology Co Ltd
Foshan Chuandong Magnetoelectricity Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Foshan Yifu Technology Co Ltd, Foshan Chuandong Magnetoelectricity Co Ltd filed Critical Foshan Yifu Technology Co Ltd
Priority to CN201610018591.4A priority Critical patent/CN105513894B/en
Publication of CN105513894A publication Critical patent/CN105513894A/en
Application granted granted Critical
Publication of CN105513894B publication Critical patent/CN105513894B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H36/008Change of magnetic field wherein the magnet and switch are fixed, e.g. by shielding or relative movements of armature

Abstract

The invention relates to the technical field of magnetic switches, in particular to a non-magnetic position detection sensor. The non-magnetic position detection sensor comprises a hollow plastic box, wherein an operating sheet is transversely arranged in an inner cavity of the plastic box; a silver connection joint is arranged on the operating sheet, and a conductive sheet which is in on-off fit with the silver connection joint is arranged below the silver connection joint; a magnetizer is arranged in the plastic box, and is connected with the other end of the operating sheet to realize integrated linkage setting; a buffering body matched with the magnetizer is arranged in the plastic box below the magnetizer. The non-magnetic position detection sensor is reasonable in structure; external magnetism drives the operating sheet to be matched with the conductive sheet to realize on and off change; by means of shock absorption and reset driving of the buffering body, metal fatigue and impact of the operating sheet can be avoided, so that the working stability of the sensor is improved, and the service life is prolonged; the operating sheet can bear magnetic induction, operation driving and electric connection action; a magnetism fixing frame can realize a magnetism aggregation effect through a magnetic shielding material, so that the sensitivity and the accuracy of position detection are improved; the non-magnetic position detection sensor is simple in whole structure, convenient to process and assemble and high in control precision, and the whole cost of the sensor is reduced.

Description

One detects transducer without magnetic potential
Technical field
The present invention relates to magnetic switch technical field, specifically refer to that one detects transducer without magnetic potential.
Background technology
Magnetic approach switch is the one of proximity switch, and non electrical quantity or electromagnetic quantities, by magnetic original paper perceived position relationship change, are converted into the required signal of telecommunication by it, thus reaches the object controlling or measure.For robot application technology, self-navigation and detection and localization are the core technologies realizing intelligentized control method, and the position probing that proximity switch can provide and execution control program, there is the advantage not available for other controllers.Magnetic approach switch is at military industry fields such as magnetic fuze bullet, spacecraft fluxgates, the field such as folding lid, pressure detecting of high-end equipment manufacture industry, automatically processing device, manufacturing industry and the household electrical appliance such as bullet train, automatic elevator, magnetic heat generating, all can realize stronger detection and stable security control ability.
Existing magnetic approach switch realizes location sensitive by magnetic field detection, its type is divided into Hall-type, magnetic group formula, dry-reed etc. mostly, and the magneto sensor of its core mostly is external introduction, the production cycle is long and core technology is under one's control, causes cost to remain high.The interaction force that existing magnetic sensor relies on interior magnetic and outer magnetic mostly realizes the disjunction of lifting one's head and connection, and in it, magnetic is easy to precision to the action of conductive metal structure magnetizing effect and sensitivity; And interior magnetic adopts the easy dry linting of ferrite Hard Magnetic, adopt neodymium iron boron Hard Magnetic to need again to electroplate coated magnetic, under prolonged and repeated action, the electrodeposited coating of contact site easily comes off, and causing interior magnetic afunction or magnetic to come off affects electrical contact.How realizing one does not need magneto sensor to drive, the transducer of position detecting is realized again by magnetic field detection, realize the production domesticization independent development of key parts, the originality mastered a skill and the independent development of core technology are the expectation of industry colleague in fact.
Summary of the invention
The object of the invention is to the defect for prior art and deficiency, a kind of rational in infrastructure, having stable behavior is provided, detects transducer without the need to specific magnetic photosensitive elements without magnetic potential.
To achieve these goals, the present invention is by the following technical solutions:
One of the present invention detects transducer without magnetic potential, comprise the glue box of hollow, laterally action movie is provided with in the inner chamber of described glue box, one end of action movie is fixedly connected with glue box, action movie has elasticity and its other end can be freely up and down movable, action movie is provided with silver contact and to be provided with it be the conducting strip that break-make coordinates in the below of this silver contact, and the sidewall of glue box is provided with and goes between in the turnover be electrically connected with action movie and conducting strip respectively; Being provided with in described glue box can magnetic conductor, can be connected and arrange in integrally linking by magnetic conductor with the other end of action movie, can be provided with the buffer body be mated in the glue box below magnetic conductor.
According to above scheme, the other end of described action movie is provided with solid magnet frame, can be located in solid magnet frame and link in one with it by magnetic conductor.
According to above scheme, described solid magnet frame comprises pallet, the two ends of pallet are equipped with connecting plate and one of them connecting plate action movie other end is fixedly connected with, and pallet both sides are equipped with sidewall paneling, and two connecting plates, two sidewall panelings and pallets are four opening up limit frame-shaped constructions; Describedly can be located on pallet and to be connected with connecting plate, sidewall paneling respectively and to arrange in integrally linking by magnetic conductor.
According to above scheme, the upper end of described two connecting plates is equipped with the snapping plate bent inwards, can magnetic conductor to coordinate with solid magnet frame be tetragonal body vibrational power flow, and two snapping plates are detained respectively, and be located at can on the upper surface of magnetic conductor.
According to above scheme, another connecting plate described is laterally provided with extension tongue piece, and glue box top board is provided with the buffer body that arrange corresponding to extending tongue piece.
According to above scheme, one end of described action movie sets firmly portion for it, is laterally provided with layering dividing plate in glue box inner chamber, and the portion of setting firmly of action movie to be arranged between layering dividing plate and glue box top board and to be connected with the two respectively.
According to above scheme, described glue box top board is provided with briquetting, and layering dividing plate is provided with the strip projected parts corresponding with briquetting; The both sides in the portion that sets firmly of described action movie are equipped with the solid plate in side, and lead-in wire to be arranged between the solid plate in two sides and to be electrically connected with the portion of setting firmly of action movie; The upper surface, the portion that sets firmly of described action movie is to being located on briquetting, and the base of the solid plate in side is to be located on layering dividing plate and Gu Ban base, side offers the spacing bayonet socket coordinated with strip projected parts.
According to above scheme, be provided with fixed block in described glue box, fixed block vertically arranges and coordinates with layering dividing plate end face and is set in distance; One end of described conducting strip is provided with the triggering sheet of " Z " font, and the vertical section triggering sheet is arranged between fixed block and layering dividing plate, and the transverse sheet triggering sheet top is provided with the silver contact coordinated with action movie.
According to above scheme, the side of described fixed block is provided with limit for height backing plate, and the far-end triggering sheet top transverse sheet is shelved on limit for height backing plate.
Beneficial effect of the present invention is: the present invention is rational in infrastructure, and external magnetic region moves action movie and coordinates conducting strip to realize break-make change, magnetic conductor and external magnetic poles can be equipped with, realizes the closed action of normal opening mechanism when repelling each other, attracting, realizes the cut-out action of normally closed mechanism; Action movie and can the induction having stable behavior of magnetic conductor, by shock-absorbing and the reset drives of buffer body, avoids metal fatigue and the impact of action movie, improves working sensor stability and useful life; Especially, in normally closed mechanism, iron block can be adopted and outer magnetic is attracting can realize cut-out action by magnetic conductor; Thus make action movie can bear magnetic induction, action drives and electrical connection effect; Preferred magnet frame admittedly realizes magnetic building-up effect by magnetic shielding material, improves sensitivity and the accuracy of position probing; Overall structure is simple, process and assemble is convenient, control precision is high, effective actualizing technology autonomy-oriented thus reduce the holistic cost of magneto-dependent sensor.
Accompanying drawing explanation
Fig. 1 is whole interior structural representation of the present invention;
Fig. 2 is action movie of the present invention and conducting strip detonation configuration schematic diagram.
In figure:
1, glue box; 2, action movie; 3, conducting strip; 4, can magnetic conductor; 5, silver contact; 11, go between; 12, buffer body; 13, layering dividing plate; 14, briquetting; 15, strip projected parts; 16, fixed block; 17, limit for height backing plate; 21, solid magnet frame; 22, pallet; 23, connecting plate; 24, sidewall paneling; 25, snapping plate; 26, tongue piece is extended; 27, the solid plate in side; 28, spacing bayonet socket; 31, sheet is triggered.
Embodiment
Below in conjunction with accompanying drawing and embodiment, technical scheme of the present invention is described.
As shown in Figure 1, one of the present invention detects transducer without magnetic potential, comprise the glue box 1 of hollow, laterally action movie 2 is provided with in the inner chamber of described glue box 1, one end of action movie 2 is fixedly connected with glue box 1, action movie 2 has elasticity and its other end can be freely up and down movable, and action movie 2 is provided with silver contact 5 and to be provided with it be the conducting strip 3 that break-make coordinates in the below of this silver contact 5, and it is that the turnover be electrically connected goes between 11 with action movie 2 and conducting strip 3 respectively that the sidewall of glue box 1 is provided with, being provided with in described glue box 1 can magnetic conductor 4, can be connected with the other end of action movie 2 and arrange in integrally to link by magnetic conductor 4, the buffer body 12 be mated can be provided with in glue box 1 below magnetic conductor 4, described buffer body 12 is resilient compressible member, can magnetic conductor 4 be subject to external magnetic field produce action time, can magnetic conductor 4 and action movie 2 free end one body action extremely extreme position time, silver contact 5 on action movie 2 and conducting strip 3 produce the switching that break-make coordinates, and buffer body 12 is can before magnetic conductor 4 reaches the limit of trigger position, buffering stress is applied to it, transducer is avoided to trigger too early and false triggering, the buffering stress of buffer body 12 can be avoided the deformation action of magnetic conductor 4 on action movie 2 impacting further, reduce metal fatigue to improve useful life, described action movie 2 one end is fixedly connected on its other end on glue box 1 then can be freely up and down movable, and then can magnetic conductor 4 experience external magnets close to time sweeping action sheet 2 free end, the silver contact 5 on action movie 2 coordinates conducting strip 3 realize the switching of on off operating mode and export control signal, describedly can adopt magnet or sense magnet by magnetic conductor 4, can magnetic conductor 4 when being magnet to the adaptive demand of the polarity of external magnetic field to realize action control, and can magnetic conductor 4 when being sense magnet, the external magnetic field of any polarity all can realize the action control of magnetic induction, therefore action movie of the present invention 2 and can coordinate one interlock by magnetic conductor 4, and the integrated functionality bearing magnetic induction, on off operating mode switching action and electrical connection, simplify existing sensor element and layout complexity, the present invention can magnetic conductor 4 be preferably sense magnet, further when normally closed vibrational power flow, can magnetic conductor 4 be subject to that external magnets attracts can the electrical connection of upwards action cut-out and conducting strip 3, thus realize arranging without magnetic of transducer, avoid sensor internal element to produce magnetization in working long hours, improve job stability and useful life.
The other end of described action movie 2 is provided with solid magnet frame 21, can be located in solid magnet frame 21 and link in one with it by magnetic conductor 4, describedly can magnetic conductor 4 to be linked by solid magnet frame 21 and action movie 2 other end one, the present invention preferably admittedly magnet frame 21 adopt with can magnetic conductor 4 adapter structure, and solid magnet frame 21 is for exposing the window frame structure of sense magnetic surface, and then can the outer magnetic attachment in magnetic conductor 4 aware application face more accurately by the selection of NULL, improve the work accuracy of transducer.
Described solid magnet frame 21 comprises pallet 22, the two ends of pallet 22 are equipped with connecting plate 23 and one of them connecting plate 23 action movie 2 other end is fixedly connected with, pallet 22 both sides are equipped with sidewall paneling 24, and two connecting plates, 23, two sidewall panelings 24 and pallet 22 are in four opening up limit frame-shaped constructions; Describedly can be located on pallet 22 and to be connected with connecting plate 23, sidewall paneling 24 respectively and to arrange in integrally linking by magnetic conductor 4; Described connecting plate 23, sidewall paneling 24 and pallet 22 surround from 5 directions can magnetic conductor 4, thus is arranged by the selection of NULL that realize can the magnetic aggtegation of magnetic conductor 4, the sensitivity of magnetic force induction and direction accuracy when raised position detects.
The upper end of described two connecting plates 23 is equipped with the snapping plate 25 bent inwards, can magnetic conductor 4 to coordinate with solid magnet frame 21 be tetragonal body vibrational power flow, and two snapping plates 25 are detained respectively, and be located at can on the upper surface of magnetic conductor 4; Described snapping plate 25, from can be fixed in solid magnet frame 21 thus to make it link with action movie 2 one in magnetic conductor 4 upper surface, can improve solid magnet frame 21 and can the efficiency of assembling of magnetic conductor 4 and structural stability.
Another connecting plate 23 described is laterally provided with and extends tongue piece 26, glue box 1 top board is provided with the buffer body 12 that arrange corresponding to extending tongue piece 26, buffer body 12 on glue box 1 top board be as can magnetic conductor 4 up or homing action time buffering stress, the impact avoiding actuating mechanism to produce, for the impact of sensor internal element, improves overall work stability.
One end of described action movie 2 sets firmly portion for it, is laterally provided with layering dividing plate 13 in glue box 1 inner chamber, and the portion of setting firmly of action movie 2 to be arranged between layering dividing plate 13 and glue box 1 top board and to be connected with the two respectively; Described glue box 1 top board is provided with briquetting 14, and layering dividing plate 13 is provided with the strip projected parts 15 corresponding with briquetting 14; The both sides in the portion that sets firmly of described action movie 2 are equipped with the solid plate 27 in side, lead-in wire 11 to be arranged between the solid plate 27 in two sides and be electrically connected with the portion of setting firmly of action movie 2, and two solid plate 27 relative spacings in sides arrange and make the portion of setting firmly of action movie 2 form logical wire casing to facilitate the welding of lead-in wire 11; The upper surface, the portion that sets firmly of described action movie 2 is to being located on briquetting 14, and the base of the solid plate 27 in side is to be located on layering dividing plate 13 and Gu Ban27 base, side offers the spacing bayonet socket 28 coordinated with strip projected parts 15; What glue box 1 top board coordinated fixing action movie 2 with layering dividing plate about 13 sets firmly portion, and briquetting 14 is as the electronic controlled height adjustment of glue box 1 top board and layering dividing plate 13 and fixed mechanism, the solid plate 27 in portion and side is set firmly from upper and lower both direction holding action sheet 2, and the solid plate 27 in side realizes laterally fixing by spacing bayonet socket 28 clamping strip projected parts 15, and then improve efficiency of assembling and the connective stability of action movie 2.
Be provided with fixed block 16 in described glue box 1, fixed block 16 vertically arranges and coordinates with layering dividing plate 13 end face and is set in distance; One end of described conducting strip 3 is provided with the triggering sheet 31 of " Z " font, and the vertical section triggering sheet 31 is arranged between fixed block 16 and layering dividing plate 13, and the transverse sheet triggering sheet 31 top is provided with the silver contact 5 coordinated with action movie 2; The triggering sheet 31 of described " Z " font passes through height spring layer thus makes conducting strip 3 power connection end and action movie 2 set firmly the significant interval in portion, improves rationally distributed property and the electrical security in sensor internal space; Described fixed block 16 clamps with layering dividing plate 13 the vertical section triggering sheet 31, and then make conducting strip 3 and trigger sheet 31 from transversely realizing fixing, the transverse sheet triggering sheet 31 top is then shelved on fixed block 16, coordinates the switching realizing break-make and coordinate during action movie 2 free end knee-action with the silver contact 5 triggered on sheet 31.
The side of described fixed block 16 is provided with limit for height backing plate 17, and the far-end triggering sheet 31 top transverse sheet is shelved on limit for height backing plate 17; Described limit for height backing plate 17 and fixed block 16 are in relative cooperation, the transverse sheet triggering sheet 31 top is the action movie 2 downward storke limit, and then can avoid triggering the deformation problems of sheet 31 after repeatedly on-off action switches by the fixed support of limit for height pad 17, improve working stability and the mechanism reliability of transducer.
The above is only better embodiment of the present invention, therefore all equivalences done according to structure, feature and the principle described in patent claim of the present invention change or modify, and are included in patent claim of the present invention.

Claims (9)

1. one kind detects transducer without magnetic potential, comprise the glue box (1) of hollow, it is characterized in that: in the inner chamber of described glue box (1), be laterally provided with action movie (2), one end of action movie (2) is fixedly connected with glue box (1), action movie (2) has elasticity and its other end can be freely up and down movable, action movie (2) is provided with silver contact (5) and to be provided with it be the conducting strip (3) that break-make coordinates in the below of this silver contact (5), the sidewall of glue box (1) is provided with and goes between (11) with action movie (2) and conducting strip (3) in the turnover be electrically connected respectively, being provided with in described glue box (1) can magnetic conductor (4), can be connected with the other end of action movie (2) and arranges in integrally to link by magnetic conductor (4), the buffer body (12) be mated can be provided with in the glue box (1) below magnetic conductor (4).
2. according to claim 1ly detect transducer without magnetic potential, it is characterized in that: the other end of described action movie (2) is provided with solid magnet frame (21), can be located in solid magnet frame (21) and link in one with it by magnetic conductor (4).
3. according to claim 2ly detect transducer without magnetic potential, it is characterized in that: described solid magnet frame (21) comprises pallet (22), the two ends of pallet (22) are equipped with connecting plate (23) and one of them connecting plate (23) action movie (2) other end is fixedly connected with, pallet (22) both sides are equipped with sidewall paneling (24), and two connecting plates (23), two sidewall panelings (24) and pallets (22) are in four opening up limit frame-shaped constructions; Described can magnetic conductor (4) to be located at pallet (22) upper and be connected with connecting plate (23), sidewall paneling (24) respectively and arrange in integrally linking.
4. according to claim 3ly detect transducer without magnetic potential, it is characterized in that: the upper end of described two connecting plates (23) is equipped with the snapping plate (25) bent inwards, can magnetic conductor (4) to coordinate with solid magnet frame (21) be tetragonal body vibrational power flow, and two snapping plates (25) are detained respectively, and be located at can on the upper surface of magnetic conductor (4).
5. according to claim 3ly detect transducer without magnetic potential, it is characterized in that: upper being laterally provided with of described another connecting plate (23) extends tongue piece (26), and glue box (1) top board is provided with the buffer body (12) that arrange corresponding to extending tongue piece (26).
6. according to claim 1ly detect transducer without magnetic potential, it is characterized in that: one end of described action movie (2) sets firmly portion for it, laterally be provided with layering dividing plate (13) in glue box (1) inner chamber, the portion of setting firmly of action movie (2) to be arranged between layering dividing plate (13) and glue box (1) top board and to be connected with the two respectively.
7. according to claim 6ly detect transducer without magnetic potential, it is characterized in that: described glue box (1) top board is provided with briquetting (14), and layering dividing plate (13) is provided with the strip projected parts (15) corresponding with briquetting (14); The both sides in the portion that sets firmly of described action movie (2) are equipped with the solid plate (27) in side, and lead-in wire (11) to be arranged between the solid plate (27) in two sides and to be electrically connected with the portion of setting firmly of action movie (2); The upper surface, the portion that sets firmly of described action movie (2) is to being located on briquetting (14), and the base that plate (27) is consolidated in side offers to being located at solid plate (27) base, on layering dividing plate (13) and side the spacing bayonet socket (28) coordinated with strip projected parts (15).
8. according to claim 6ly detect transducer without magnetic potential, it is characterized in that: be provided with fixed block (16) in described glue box (1), fixed block (16) vertically arranges and coordinates with layering dividing plate (13) end face and is set in distance; One end of described conducting strip (3) is provided with the triggering sheet (31) of " Z " font, the vertical section triggering sheet (31) is arranged between fixed block (16) and layering dividing plate (13), and the transverse sheet triggering sheet (31) top is provided with the silver contact (5) coordinated with action movie (2).
9. according to claim 8ly detect transducer without magnetic potential, it is characterized in that: the side of described fixed block (16) is provided with limit for height backing plate (17), the far-end triggering sheet (31) top transverse sheet is shelved on limit for height backing plate (17).
CN201610018591.4A 2016-01-12 2016-01-12 One kind is without magnetic potential detection sensor Expired - Fee Related CN105513894B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610018591.4A CN105513894B (en) 2016-01-12 2016-01-12 One kind is without magnetic potential detection sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610018591.4A CN105513894B (en) 2016-01-12 2016-01-12 One kind is without magnetic potential detection sensor

Publications (2)

Publication Number Publication Date
CN105513894A true CN105513894A (en) 2016-04-20
CN105513894B CN105513894B (en) 2017-10-03

Family

ID=55721794

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610018591.4A Expired - Fee Related CN105513894B (en) 2016-01-12 2016-01-12 One kind is without magnetic potential detection sensor

Country Status (1)

Country Link
CN (1) CN105513894B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4150350A (en) * 1976-12-16 1979-04-17 Fong Lee W Magnetic switch
CN203733714U (en) * 2014-03-03 2014-07-23 佛山市川东磁电股份有限公司 Magnetic microswitch
CN104008917A (en) * 2014-06-17 2014-08-27 佛山市川东照明科技有限公司 Magnetic proximity switch
CN104037016A (en) * 2014-06-27 2014-09-10 佛山市川东照明科技有限公司 Novel magnetic proximity switch

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4150350A (en) * 1976-12-16 1979-04-17 Fong Lee W Magnetic switch
CN203733714U (en) * 2014-03-03 2014-07-23 佛山市川东磁电股份有限公司 Magnetic microswitch
CN104008917A (en) * 2014-06-17 2014-08-27 佛山市川东照明科技有限公司 Magnetic proximity switch
CN104037016A (en) * 2014-06-27 2014-09-10 佛山市川东照明科技有限公司 Novel magnetic proximity switch

Also Published As

Publication number Publication date
CN105513894B (en) 2017-10-03

Similar Documents

Publication Publication Date Title
US11837936B2 (en) Vibrator generator having swing unit, frame and elastic member
CN204515213U (en) Lens driver and camera model
CN105470042A (en) 360 DEG blind-angle-free position detecting magnetic sensor
RU2015110986A (en) ELECTROMAGNETIC EXECUTIVE MECHANISM FOR VACUUM VOLTAGE CIRCUIT BREAKER
CN202930332U (en) Magnetic latching relay
CN104393734B (en) Controllable displacement feeding drive system
CN105513894A (en) Non-magnetic position detection sensor
JP2014095615A (en) Magnetic detection unit and stroke detection device using the same
CN107946020B (en) DC electromagnet working state feedback device
CN204179915U (en) Controlled displacement feeding drive system
CN109623311A (en) A kind of magnetic screen formula slide cam selector and its assembly method
CN102694455B (en) Magnetic driver
CN201956867U (en) Magnetic force driver
CN202067684U (en) Electromagnetic power module
CN105804513A (en) Direct-current self-resetting electromagnet
JP2014095614A (en) Stroke detection device
CN202367756U (en) Electromagnetic chuck mechanical arm
JP2021032654A (en) Motion detector and metal mold device
CN219013236U (en) Electromagnetic braking device
CN105479470A (en) Circumferential dead-corner-free position detection sensor
CN103176259B (en) Lens linear actuator and assembly technology thereof
CN101436815A (en) Novel permanent magnetic machine
CN206865337U (en) A kind of magnetic structure of loop circuit voice coil motor
CN105489446B (en) A kind of suspension type is without dead angle position detecting sensor
CN109076293A (en) Pronunciation device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20171003

Termination date: 20210112

CF01 Termination of patent right due to non-payment of annual fee