CN110085481A - Electromagnetic switching device - Google Patents
Electromagnetic switching device Download PDFInfo
- Publication number
- CN110085481A CN110085481A CN201910334225.3A CN201910334225A CN110085481A CN 110085481 A CN110085481 A CN 110085481A CN 201910334225 A CN201910334225 A CN 201910334225A CN 110085481 A CN110085481 A CN 110085481A
- Authority
- CN
- China
- Prior art keywords
- dynamic iron
- iron core
- core
- fixed
- switching device
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/28—Power arrangements internal to the switch for operating the driving mechanism using electromagnet
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/44—Magnetic coils or windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Electromagnets (AREA)
Abstract
The present invention provides a kind of electromagnetic switching device, including shell, the stator being installed in shell and can relative stator movement mover, stator includes being fixed on the fixed core of shell and being fixed on tubular coil, fixed core in shell to be installed in coil；Mover includes the dynamic iron core in coil and positioned at fixed core side, and return springs are connected between fixed core and dynamic iron core；Dynamic iron core is towards the first accommodation groove for offering one end for accommodating return springs on the end face of fixed core, and fixed core is towards the second accommodation groove for offering the other end for accommodating return springs on the end face of dynamic iron core；Electromagnetic switching device further includes being connected to dynamic iron core and end extends to outer side of shell with the connector for connecting external devices, and connector is driven by dynamic iron core and generates displacement.Electromagnetic switching device structure provided by the invention is simple, and parts machining and assembly are simple, at low cost.
Description
[technical field]
The present invention relates to field of electronic device, in particular to a kind of electromagnetic switching device applied to mobile terminal device.
[background technique]
It is to realize interior of mobile phone element by the mould group of stepper motor, retarder, drive screw pair at present in mobile phone industry
Elevating function；Its working principle is that: the stretching gear shaft of stepper motor is engaged with reducer gear, motor high speed rotation, is led to
It crosses gear and transmits torque to retarder, realize that reduction of speed increases square, retarder rear end connect with screw pair again, rotary motion is converted
To move along a straight line, the nut on screw pair moves along a straight line, and drives internal element lifting.This kind of existing lifting scheme Shortcomings
And disadvantage: structure is complicated for mould group, and part processing precision requires height, and assembly difficulty is big, higher cost, and batch production difficulty is big.
Therefore, it is necessary to provide a kind of simpler electromagnetic switching device of structure.
[summary of the invention]
The purpose of the present invention is to provide a kind of simpler electromagnetic switching devices of structure.
Technical scheme is as follows:
A kind of electromagnetic switching device is provided, including shell, the stator being installed in shell and can relative stator movement it is dynamic
Son, which is characterized in that the stator includes being fixed on the fixed core of the shell and being fixed on tubular in the shell
Coil, the fixed core are installed in the coil；The mover includes being set in the coil and being located at the fixed core one
The dynamic iron core of side, the coil are sheathed on the fixed core and the dynamic iron core periphery, the fixed core and the dynamic iron core it
Between be connected with return springs, the axially opposed fixed core movement of dynamic iron core described in the coil drive, the reset
Elastic component provides restoring force for the dynamic iron core；The dynamic iron core is towards offering for accommodating on the end face of the fixed core
State first accommodation groove of one end of return springs, the fixed core is towards offering for accommodating on the end face of the dynamic iron core
Second accommodation groove of the other end of the return springs；The electromagnetic switching device further includes being connected to the dynamic iron core and end
End extends to the outer side of shell with the connector for connecting external devices, and the connector is driven by the dynamic iron core and generated
Displacement.
Further, the dynamic iron core is towards being convexly equipped with guiding pillar on one end of the fixed core, on the fixed core
It is recessed with the guide groove being adapted to the guiding pillar.
Further, the fixed core is towards being convexly equipped with guiding pillar on one end of the dynamic iron core, in the dynamic iron core
It is recessed with the guide groove being adapted to the guiding pillar.
Further, the dynamic iron core is equipped with damping piece between the side and the shell of the fixed core.
Further, the return springs are helical spring.
Further, the connector includes the connecting rod of bolt button and coupling bar button and the dynamic iron core, on the shell
Offer the through-hole passed through for the connecting rod.
Further, the electromagnetic switching device further includes the bracket for fixing the coil, and the bracket includes set
Sleeve outside the fixed core and the dynamic iron core and two respectively from the edge of the two-port of the sleeve radially
The end wall of extension, the coil are sheathed on outside the sleeve and are located between end walls.
Further, the shell includes with the accommodating cavity for accommodating the coil, fixed core and the dynamic iron core
Housing main body and the cover board that is covered on the housing main body, the through-hole be provided with the cover board.
Further, the housing main body includes bottom wall opposite and spaced with the cover board and from the bottom
The side wall that the edge of wall extends towards the cover board, the fixed core are fixed on the bottom wall, the dynamic iron core and the reset bullet
Property part be arranged between the cover board and the fixed core.
The beneficial effects of the present invention are: it is powered to coil, fixed core and dynamic iron core are magnetized, dynamic iron core and fixed core
Attracting, dynamic iron core band follower link declines, and return springs are compressed, and after coil blackout, return springs rebound dynamic iron core
It resets, to realize that dynamic iron core band follower link moves back and forth, drives camera lifting.Electromagnetic switching device provided by the invention
Structure is simple, and parts machining and assembly are simple, at low cost.
[Detailed description of the invention]
Fig. 1 is the structural schematic diagram of electromagnetic switching device provided in an embodiment of the present invention；
Fig. 2 is the diagrammatic cross-section in an embodiment in Fig. 1 along line A-A (arrow direction is cutting direction)
Fig. 3 is the diagrammatic cross-section in another embodiment in Fig. 1 along line A-A (arrow direction is cutting direction).
100, electromagnetic switching device；1, shell；2, coil；31, fixed core；32, dynamic iron core；4, return springs；5, even
Fitting；311, it is oriented to pillar；301, guide groove；302, the first accommodation groove；303, the second accommodation groove；51, bolt button；52, connecting rod；
101, through-hole；6, bracket；61, sleeve；62, end wall；7, damping piece；10, accommodating cavity；11, housing main body；12, cover board；111, bottom
Wall；112, side wall.
[specific embodiment]
The invention will be further described with embodiment with reference to the accompanying drawing.
Referring to Fig.1 and 2, a kind of electromagnetic switching device 100 is provided, including shell 1, the stator being installed in shell 1
With can relative stator movement mover, stator includes being fixed on the fixed core 31 of shell 1 and being fixed on tubular in shell 1
Coil 2, fixed core 31 are installed in coil 2；Mover includes the dynamic iron core 32 in coil 2 and positioned at 31 side of fixed core,
Coil 2 is sheathed on 32 periphery of fixed core 31 and dynamic iron core, and return springs 4 are connected between fixed core 31 and dynamic iron core 32,
Coil 2 drives the movement of the axially opposed fixed core 31 of dynamic iron core 32, and return springs 4 are that dynamic iron core 32 provides restoring force；Dynamic iron
Core 32 is towards the first accommodation groove 302 for offering one end for accommodating return springs 4 on the end face of fixed core 31, fixed core
31 towards the second accommodation groove 303 for offering the other end for accommodating return springs 4 on the end face of dynamic iron core 32；Electromagnetism is opened
Closing device further includes being connected to dynamic iron core 32 and end extends to outer side of shell with the connector 5 for connecting external devices, even
Fitting 5 is driven by dynamic iron core 32 and generates displacement.
Fixed core 31 is fixed to shell 1, and the axial direction and connector 5 of coil 2 go up and down direction in the same direction, to line
Circle 2 is powered, and fixed core 31 and dynamic iron core 32 are magnetized, and the two is attracting, and dynamic iron core 32 declines (in Fig. 2 to the right with follower link 5
Direction), return springs 4 are compressed, and after coil 2 powers off, return springs 4 reset so that dynamic iron core 32 be rebounded (in Fig. 2
Direction to the left), to realize that dynamic iron core 32 is moved back and forth with follower link 5, drive internal element lifting.It is provided by the invention
100 structure of electromagnetic switching device is simple, and parts machining and assembly are simple, at low cost.One end of return springs 4 is by first
Limit of the limit, the other end of accommodation groove 302 by the second accommodation groove 303, so that return springs 4 are not easy in deformation process
Biased.
Preferably, dynamic iron core 32 is concavely provided with towards guiding pillar 311, fixed core 31 is convexly equipped on one end of fixed core 31
The guide groove 301 being adapted to guiding pillar 311.
It is oriented to pillar 311 and guide groove 301 cooperates, positioning is played to the mutual alignment of dynamic iron core 32 and fixed core 31 and is made
With, while playing the guiding role moved to dynamic iron core 32.
It is to be appreciated that the position of guiding pillar 311 and guide groove 301 can be interchanged.Positioning action equally may be implemented
It is used with guiding.
In another embodiment, referring to figure 3., dynamic iron core 32 is equipped with resistance between the side and shell 1 of fixed core 31
Damping member 7.Damping piece 7 can limit amplitude, be also possible to prevent dynamic iron core 32 and the collision of shell 1 generates noise.
Preferably, return springs 4 are helical spring.
Preferably, connector 5 includes the connecting rod 52 of bolt button 51 and coupling bar button 51 and dynamic iron core 32, is opened up on shell 1
There is the through-hole 101 passed through for connecting rod 52.Bolt button 51 is used for coupling bar button 51 and dynamic iron for installing internal element, connecting rod 52
Core 32.
Internal element can be camera, and bolt button 51 is annular in shape, and the latch hook fastened with bolt button 51 is equipped on camera, when
Right camera can also be threadably secured with bolt button 51 to be connect.
Preferably, electromagnetic switching device 100 further includes the bracket 6 for fixed coil 2, and bracket 6 includes being sheathed on to determine iron
The end wall 62 that sleeve 61 and two outside core 31 and dynamic iron core 32 are extended radially outward from the edge of the two-port of sleeve 61 respectively,
Coil 2 is sheathed on outside sleeve 61 and is located between end walls 62.
Bracket 6 is for installing coil 2, the shape of sleeve 61 and the shape adaptation of coil 2, axial direction of the end wall 62 along sleeve 61
The thickness in direction is greater than or equal to the thickness of coil 2.
Preferably, shell 1 includes with the shell for accommodating the accommodating cavity 10 of coil 2, fixed core 31 and dynamic iron core 32
Main body 11 and the cover board 12 being covered on housing main body 11, through-hole 101 are provided with the cover board 12.Being provided with for cover board 12 is conducive to
Open the detection of shell 1 and maintenance internal part.
Preferably, housing main body 11 includes opposite and spaced bottom wall 111 and from bottom wall 111 with cover board 12
The side wall 112 that edge extends towards cover board, fixed core 31 are fixed on bottom wall 111, and dynamic iron core 32 and return springs 4 are arranged in cover board
Between 12 and bottom wall 111.
Above-described is only embodiments of the present invention, it should be noted here that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, improvement can also be made, but these belong to protection model of the invention
It encloses.
Claims (9)
1. a kind of electromagnetic switching device, including shell, the stator being installed in shell and can relative stator movement mover, it is special
Sign is, the stator includes being fixed on the fixed core of the shell and being fixed on tubular coil in the shell, institute
Fixed core is stated to be installed in the coil；The mover includes the dynamic iron in the coil and positioned at the fixed core side
Core, the coil are sheathed on the fixed core and the dynamic iron core periphery, and connection is set between the fixed core and the dynamic iron core
There are return springs, the axially opposed fixed core movement of dynamic iron core described in the coil drive, the return springs are
The dynamic iron core provides restoring force；The dynamic iron core is towards offering for accommodating the reset bullet on the end face of the fixed core
First accommodation groove of one end of property part, the fixed core is towards offering for accommodating the reset on the end face of the dynamic iron core
Second accommodation groove of the other end of elastic component；The electromagnetic switching device further includes being connected to the dynamic iron core and end extends to
The outer side of shell is driven by the dynamic iron core with the connector for connecting external devices, the connector and is generated displacement.
2. electromagnetic switching device according to claim 1, it is characterised in that: the dynamic iron core towards the fixed core one
Guiding pillar is convexly equipped on end, the fixed core is concavely provided with the guide groove being adapted to the guiding pillar.
3. electromagnetic switching device according to claim 1, it is characterised in that: the fixed core towards the dynamic iron core one
Guiding pillar is convexly equipped on end, the dynamic iron core is concavely provided with the guide groove being adapted to the guiding pillar.
4. camera according to claim 1 goes up and down electromagnetic switching device electromagnetic switching device, it is characterised in that: described dynamic
Iron core is equipped with damping piece between the side and the shell of the fixed core.
5. electromagnetic switching device according to claim 1-4, it is characterised in that: the return springs are spiral
Spring.
6. electromagnetic switching device according to claim 1, it is characterised in that: the connector includes bolt button and coupling bar button
With the connecting rod of the dynamic iron core, the through-hole passed through for the connecting rod is offered on the shell.
7. electromagnetic switching device according to claim 1, it is characterised in that: the electromagnetic switching device further includes for solid
The bracket of the fixed coil, the bracket includes being sheathed on the fixed core and the sleeve and two outside the dynamic iron core respectively from institute
The end wall that the edge of the two-port of sleeve extends radially outward is stated, the coil is sheathed on outside the sleeve and is located in both ends
Between wall.
8. electromagnetic switching device according to claim 6, it is characterised in that: the shell includes with described for accommodating
The housing main body of the accommodating cavity of coil, fixed core and the dynamic iron core and the cover board being covered on the housing main body are described logical
Hole is provided with the cover board.
9. electromagnetic switching device according to claim 8, it is characterised in that: the housing main body includes and the cover board phase
Pair and spaced bottom wall and the side wall extended from the edge of the bottom wall towards the cover board, the fixed core be fixed on
The bottom wall, the dynamic iron core and the return springs are arranged between the cover board and the fixed core.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910334225.3A CN110085481B (en) | 2019-04-24 | 2019-04-24 | Electromagnetic switching device |
| PCT/CN2019/086249 WO2020215379A1 (en) | 2019-04-24 | 2019-05-09 | Electromagnetic switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910334225.3A CN110085481B (en) | 2019-04-24 | 2019-04-24 | Electromagnetic switching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110085481A true CN110085481A (en) | 2019-08-02 |
| CN110085481B CN110085481B (en) | 2020-09-29 |
Family
ID=67416434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910334225.3A Active CN110085481B (en) | 2019-04-24 | 2019-04-24 | Electromagnetic switching device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110085481B (en) |
| WO (1) | WO2020215379A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003297207A (en) * | 2002-04-01 | 2003-10-17 | Denso Corp | Magnet switch and starter |
| CN102024625A (en) * | 2009-02-19 | 2011-04-20 | 安电株式会社 | Electromagnetic relay |
| CN103871791A (en) * | 2012-12-13 | 2014-06-18 | 苏州景泰电气有限公司 | Shunt release for circuit breakers |
| CN205264617U (en) * | 2015-11-23 | 2016-05-25 | 浙江正泰电器股份有限公司 | Electromagnetic system of circuit breaker |
| CN206331987U (en) * | 2016-11-02 | 2017-07-14 | 上海良信电器股份有限公司 | A kind of terminals minor shunt release structure-improved |
| CN207489697U (en) * | 2017-10-16 | 2018-06-12 | 武汉天运汽车电器有限公司 | Novel automobile electromagnetic switch |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201160310Y (en) * | 2008-01-03 | 2008-12-03 | 中兴通讯股份有限公司 | Apparatus for protecting pick-up head of mobile phone |
-
2019
- 2019-04-24 CN CN201910334225.3A patent/CN110085481B/en active Active
- 2019-05-09 WO PCT/CN2019/086249 patent/WO2020215379A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003297207A (en) * | 2002-04-01 | 2003-10-17 | Denso Corp | Magnet switch and starter |
| CN102024625A (en) * | 2009-02-19 | 2011-04-20 | 安电株式会社 | Electromagnetic relay |
| CN103871791A (en) * | 2012-12-13 | 2014-06-18 | 苏州景泰电气有限公司 | Shunt release for circuit breakers |
| CN205264617U (en) * | 2015-11-23 | 2016-05-25 | 浙江正泰电器股份有限公司 | Electromagnetic system of circuit breaker |
| CN206331987U (en) * | 2016-11-02 | 2017-07-14 | 上海良信电器股份有限公司 | A kind of terminals minor shunt release structure-improved |
| CN207489697U (en) * | 2017-10-16 | 2018-06-12 | 武汉天运汽车电器有限公司 | Novel automobile electromagnetic switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110085481B (en) | 2020-09-29 |
| WO2020215379A1 (en) | 2020-10-29 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200122 Address after: No. 990, Wujin East Avenue, Wujin national high tech Industrial Development Zone, Changzhou City, Jiangsu Province Applicant after: Changzhou Ruitai photoelectric Co.,Ltd. Address before: 213167 No. 8 Fengqi Road, Wujin High-tech Industrial Development Zone, Changzhou City, Jiangsu Province Applicant before: AAC MODULE TECHNOLOGIES (CHANGZHOU) Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230912 Address after: No. 990 Wujin East Avenue, Wujin National High tech Industrial Development Zone, Changzhou City, Jiangsu Province, 213000 Patentee after: Changzhou Ruitai photoelectric Co.,Ltd. Patentee after: Jiangsu Jicui Zhongyi Technology Industry Development Co.,Ltd. Address before: No.990 Wujin East Avenue, Wujin national high tech Industrial Development Zone, Changzhou City, Jiangsu Province Patentee before: Changzhou Ruitai photoelectric Co.,Ltd. |
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| TR01 | Transfer of patent right |