CN108630489A - A kind of locking type inertia switch - Google Patents
A kind of locking type inertia switch Download PDFInfo
- Publication number
- CN108630489A CN108630489A CN201810543395.8A CN201810543395A CN108630489A CN 108630489 A CN108630489 A CN 108630489A CN 201810543395 A CN201810543395 A CN 201810543395A CN 108630489 A CN108630489 A CN 108630489A
- Authority
- CN
- China
- Prior art keywords
- spring
- mass block
- shell
- locking type
- conductive column
- 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
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/14—Switches operated by change of acceleration, e.g. by shock or vibration, inertia switch
Abstract
The invention discloses a kind of locking type inertia switches, including magnet (2), screw (6), spring-mass block (1), conductive column (3), shell (4) and cover board (5), one end of the spring-mass block (1) is fixedly connected with the shell (4), and the other end is maintained a certain distance with the shell (4).Described conductive column (3) one end is cylinder, and interference fit is fixed in the conductive pole hole of the cover board (5), and conductive column (3) other end is rectangular sheet.The cover board (5) is realized and is blocked in place by the fixed installation of the screw (6) and the shell (4).The locking type inertia switch of the present invention, after spring-mass block experiences overload, spring-mass block is under inertia force and the suction of spring-mass block and magnet, the spring resistance of itself is overcome to move, until spring-mass block is contacted with conductive column, realize that the conducting of circuit and disconnection have blocking function in place.
Description
Technical field
The invention belongs to inertia switch technical fields, more particularly, to a kind of locking type inertia switch.
Background technology
Inertia switch is widely used in fields such as aerospace, automotive electronics and ammunitions.Micro electronmechanical (MEMS) inertia
Switch is using the acceleration sensing of micro-processing technology manufacture, and acceleration load transfer is electrode using inertia sensitive element by it
Then the variation in gap triggers the function that corresponding electric signal realizes differentiation acceleration signal by contact condition between electrode.Due to
It is small, light-weight, low energy consumption, anti high overload ability is strong, anti-electromagnetic interference capability is strong, convenient for integrated etc. excellent with digital circuit
Point, MEMS inertia switches have huge answer in the field of the environmental requirements harshness such as industrial vibration detection, weapons and ammunitions, aerospace
Use potentiality.
Existing inertia switch using spring and mass block structure, spring and quality as movable electrode, separately have with
Movable electrode fixation electrode spaced apart, when movable electrode, which is experienced, to be overloaded, spring elongation, the fixed electricity of mass block collision
Pole, to realize switch by being disconnected to conducting state, such inertia switch is after mass block collides fixed electrode, mass block meeting
It is flicked, therefore the closing time of such inertia switch and contact are unreliable.
Invention content
For the disadvantages described above or Improvement requirement of the prior art, the present invention provides a kind of locking type inertia switch, purpose
It is, is set on shell there are one the cavity for accommodating spring-mass block and magnet, be additionally provided with four screw holes.The one of spring-mass block
End is fixedly connected with the casing, and the other end is maintained a certain distance with shell, is in free state.Conductive column one end is cylinder,
Interference fit is fixed in the conductive pole hole of cover board, and the conductive column other end is rectangular sheet, and rectangular sheet one end is fixed on conductive column
On cylinder, the other end is free state.It is additionally provided with screw hole corresponding with shell on cover board, passes through screw realization and shell
Fixed installation, have the advantages that block in place.After spring-mass block experiences overload, spring-mass block is in inertia force and bullet
Under the suction of spring mass block and magnet, the spring resistance of itself is overcome to move, until spring-mass block and two conductive columns
Contact, realizes the conducting and disconnection of switch.
To achieve the goals above, the present invention provides a kind of locking type inertia switch, including magnet and screw, further includes bullet
Spring mass block, conductive column, shell and cover board；
It is set on the shell there are one the cavity for accommodating the spring-mass block and the magnet, the spring-mass block
One end is fixedly connected with the shell, and the other end maintains a certain distance with the shell and the magnet and is in free shape
State；
Described conductive column one end is cylinder, and interference fit is fixed in the conductive pole hole of the cover board, the conductive column
The other end is rectangular sheet, and described rectangular sheet one end is fixed on the cylinder of the conductive column, and the other end is free state；
It is additionally provided with screw hole corresponding with the shell on the cover board, passes through the fixation of the screw and the shell
Installation is blocked in place with realizing；
The spring-mass block is used to overcome under the suction in inertia force and the spring-mass block with the magnet
The spring resistance of itself is contacted with the conductive column, realizes the conducting and disconnection of circuit.
Further, the spring-mass block includes plane spring, mass block and T-shaped block, described plane spring one end
It is fixed in T-shaped block, the other end connect with mass block and is in free state.
Further, the spring-mass block is prepared using the micro Process of multiple lamination plating metal nickel.
Further, the line of the conductive column and the masses parallel, and the conductive column is protected with the mass block
Hold a certain distance.
Further, the thickness of the rectangular sheet on the conductive column is 0.3~0.6mm.
Further, the casing center is equipped with square groove, and the shell one end is connected to equipped with groove with the square groove, separately
One end is connected to equipped with card slot with the square groove.
Further, the T-shaped block is fixedly installed in the card slot, and the plane spring and mass block setting exist
In the square groove.
Further, the magnet bottom is embedded in the groove.
Further, the shell is rectangular, circle or other shapes structure.
Further, the cover board is identical with the hull shape.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, can obtain down and show
Beneficial effect：
(1) locking type inertia switch of the invention, sets that there are one the cavitys for accommodating spring-mass block and magnet on shell, also
If there are four screw holes.One end of spring-mass block is fixedly connected with the casing, the other end and shell and magnet keep it is certain away from
From and in free state.Conductive column one end is cylinder, and interference fit is fixed in the conductive pole hole of cover board, and conductive column is another
End is rectangular sheet, and rectangular sheet one end is fixed on the cylinder of conductive column, and the other end is free state.It is additionally provided on cover board and shell
The corresponding screw hole of body realizes the fixed installation with shell by screw, has the advantages that block in place, when spring-mass block
After experiencing overload, spring-mass block overcomes the spring of itself under inertia force and the suction of spring-mass block and magnet
Drag moves, until spring-mass block is contacted with conductive column, realizes the conducting and disconnection of circuit.
(2) locking type inertia switch of the invention, mass block, plane spring and T-shaped block, which are sequentially connected with, constitutes spring matter
The plane spring of gauge block, S-shaped shape is arranged symmetrically between mass block and T-shaped block.Plane spring one end is fixed on T-shaped block
On, the other end connect with mass block and is in free state.The structure uses the design of spring-mass block one, by adjusting bullet
The measures such as spring parameter and the distance between spring-mass block and magnet may be implemented the switch under the conditions of different overloading thresholds and close
It closes.
(3) locking type inertia switch of the invention, conductive column one end are cylinder, and interference fit is fixed on the conduction of cover board
In post holes, the conductive column other end is rectangular sheet, and rectangular sheet one end is fixed on the cylinder of conductive column, and the other end is free shape
State keeps self structure state under unstressed state, and can bend under the action of certain force.It cuts conductive column bottom
Rectangular plate shape, when spring-mass block collides conductive column, conductive column has appearance to become space, avoids spring-mass block from encountering and leads
It rebounds when electric column, ensures the reliable contacts of spring-mass block and conductive column.
(4) locking type inertia switch of the invention, two conductive columns are maintained a certain distance with mass block, i.e. spring-mass
Block keeps certain distance, the cooperation of gap width between spring-mass block and shell not only spring-mass block to be convenient for move with shell, but also
Certain guiding role is played to the movement of spring-mass block.
(5) locking type inertia switch of the invention, wherein spring-mass block is as core of the invention component, using multiple
The micro fabrication method of lamination plating metal nickel (Ni) makes so that the volume of entire mechanism greatly reduces, product quality one
Cause property is improved.
(6) locking type inertia switch of the invention, the wherein setting of magnet, it can be ensured that spring-mass block and two conductive columns
After contact, disappears even if inertia overload is unexpected, because of the suction between magnet and spring-mass block, also ensure that spring-mass block
With two conductive column reliable contacts.
Description of the drawings
Fig. 1 is a kind of exploded view of locking type inertia switch of the embodiment of the present invention；
Fig. 2 is the original state structural schematic diagram after a kind of assembly of locking type inertia switch of the embodiment of the present invention；
Fig. 3 is a kind of spring-mass block structure schematic diagram that locking type inertia switch is related to of the embodiment of the present invention；
Fig. 4 is a kind of shell structure schematic diagram that locking type inertia switch is related to of the embodiment of the present invention.
In all the appended drawings, same reference numeral indicates identical technical characteristic, specially：1- spring-mass block,
101- plane springs, 102- mass blocks, 103-T shapes block, 2- magnet, 3- conductive columns, 4- shells, 401- square grooves, 402- grooves,
403- card slots, 404- screw holes, 5- cover boards, 6- screws.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below that
Conflict is not constituted between this to can be combined with each other.
Fig. 1 is a kind of exploded view of locking type inertia switch of the embodiment of the present invention, and Fig. 2 is one kind of the embodiment of the present invention
Original state structural schematic diagram after the assembly of locking type inertia switch.As depicted in figs. 1 and 2, a kind of locking type inertia switch
Including spring-mass block 1, magnet 2, conductive column 3, shell 4, cover board 5, screw 6.Spring-mass block is accommodated there are one being set on shell 4
1 and magnet 2 cavity, be additionally provided with four screw holes.One end of spring-mass block 1 is fixedly connected with shell 4, the other end and shell
4 maintain a certain distance, and are in free state.3 one end of conductive column is cylinder, and interference fit is fixed on the conductive column of cover board 5
In hole, 3 other end of conductive column is rectangular sheet, and rectangular sheet one end is fixed on the cylinder of conductive column 3, and the other end is free shape
State.It is additionally provided with screw hole corresponding with shell 4 on cover board 5, the fixed installation with shell 4 is realized by screw 6, is had in place
The advantages of block.After spring-mass block 1 experiences overload, spring-mass block 1 is in inertia force and spring-mass block 1 and magnet 2
Suction under, overcome the spring resistance of itself to move, until spring-mass block 1 contacts with two conductive columns 3, realization circuit
Conducting and disconnection.The setting of magnet, it can be ensured that after spring-mass block is contacted with two conductive columns, disappear even if inertia overload is unexpected
It loses, because of the suction between magnet and spring-mass block, also ensures that spring-mass block and two conductive column reliable contacts.
Fig. 3 is a kind of structural schematic diagram of spring-mass block 1 that locking type inertia switch is related to of the embodiment of the present invention.Such as
Shown in Fig. 1 and Fig. 3, spring-mass block 1 includes plane spring 101, mass block 102 and T-shaped block 103.Wherein plane spring 101
For S-shaped structure, mass block 102 is T-shaped structure, and mass block 102, plane spring 101 and T-shaped block 103 are sequentially connected with composition bullet
Spring mass block 1.Preferably, the number of the plane spring 101 of S-shaped shape is two, is arranged symmetrically on mass block 102 and T shapes
Between block 103.101 one end of plane spring is fixed in T-shaped block 103, and the other end connect with mass block 102 and is in free shape
State.The structure uses the design of spring-mass block one, by between adjustment spring parameter and spring-mass block 1 and magnet 2
The measures such as distance, the switch under the conditions of different overloading thresholds may be implemented and be closed.
Such as Fig. 4, a kind of shell that locking type inertia switch is related to 4 includes：Square groove 401, groove 402, card slot 403 and spiral shell
Nail hole 404.Shell 4 is made of insulating materials, and the center of shell 4 is equipped with square groove 401, and one end is communicated therewith equipped with groove 402, separately
One end is communicated therewith equipped with card slot 403.Four angles of shell 4 are respectively provided with a screw hole 404.Wherein, groove 402 is for accommodating
Magnet 2, square groove 401 and card slot 403 are for accommodating spring-mass block 1.As shown in Fig. 2, T-shaped block 103 is fixedly installed on shell 4
In card slot 403, plane spring 101 and mass block 102 are arranged in the square groove 401 of shell 4, and 2 bottom of magnet is embedded in the recessed of shell 4
In slot 402, it is preferable that the shape of shell 4 is rectangular, round or other；Shell 4 is that moulding compound FX-501 is molded.
Further, as depicted in figs. 1 and 2, the shape of the shape of cover board 5 and shell 4 just as.Cover board 5 is insulating materials
It is made, is preferably moulding compound FX-501 molded.Four angles of cover board 5 are equipped with the screw hole corresponding with shell 4,
Cover board 5 and shell 4 are fixedly mounted by screw 6.Conductive pole hole is additionally provided on cover board 5, conductive pole hole is for disposing conductive column
3,3 one end of conductive column is cylinder, and interference fit is fixed in the conductive pole hole of cover board 5, and 3 other end of conductive column is rectangular sheet,
The thickness of rectangular sheet is 0.3~0.6mm, and rectangular sheet one end is fixed on the cylinder of conductive column 3, and the other end is free state,
Self structure state is kept under unstressed state, and can be bent under the action of certain force.It is cut into 3 bottom of conductive column
Rectangle plate shape, when spring-mass block 1 collides conductive column 3, conductive column 3 has appearance to become space, and spring-mass block 1 is avoided to encounter
It rebounds when conductive column 3, ensures the reliable contacts of spring-mass block 1 and conductive column 3.
Preferably, conductive column 3 is that the preferable material cutting of this deformation of copper wire is made.Conductive column 3 is preferably two
And the line of two conductive columns 3 is parallel with mass block 102, two conductive columns 3 are spaced from each other, and two conductive columns 3 and mass block
102 maintain a certain distance.I.e. spring-mass block 1 keeps certain distance with shell 4.Gap between spring-mass block 1 and shell 4
The cooperation of value was not only convenient for spring-mass block 1 to move, but also played certain guiding role to the movement of spring-mass block 1
A kind of locking type inertia switch, operation principle are as follows：
When not working, described two conductive columns 3 are spaced from each other, and keep certain distance, spring with the spring-mass block 1
The drag of mass block 1 and spring 101 on the suction and spring-mass block 1 of magnet 2 keeps balancing, and switch is in disconnection shape at this time
State.After spring-mass block 1 experiences overload, spring-mass block 1 is made in inertia force and spring-mass block 1 and the suction of magnet 2
Under, 101 drag of spring of itself is overcome to move, until mass block 102 is contacted with two conductive columns 3, is switched at this time by disconnecting
Become conducting state.With the Distance Shortened of spring-mass block 1 and magnet 2, suction gradually increases, and spring-mass block 1 is further
The rectangular sheet bending of 3 lower end of conductive column is pushed, even if inertia overload disappears, after moving to certain distance due to spring-mass block 1,
The suction of spring-mass block 1 and magnet 2 has been above the drag of spring 101, therefore two conductive columns 3 can be always held at conducting
State.
In addition, a kind of locking type inertia switch, spring-mass block 1 is used as core of the invention component, using multiple lamination
The micro fabrication method of plating metal nickel (Ni) makes so that the volume of entire mechanism greatly reduces, product quality consistency
It is improved, is made according to following technique：
S1, on the glass substrate sputtering Cr/Cu are as seed layer；
S2, whirl coating, photoetching are carried out；
S3, plating metal Ni are as 103 part of plane spring 101, mass block 102 and cylinder；
S4, this electroplating process is repeated several times, until the thickness of spring-mass block 1 reaches 0.4~0.8mm；
S5, it removes photoresist, remove seed layer release spring mass block 1.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not used to
The limitation present invention, all within the spirits and principles of the present invention made by all any modification, equivalent and improvement etc., should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of locking type inertia switch, including magnet (2) and screw (6), which is characterized in that further include spring-mass block (1),
Conductive column (3), shell (4) and cover board (5)；
The cavity of the spring-mass block (1) and the magnet (2), the spring matter are accommodated there are one being set on the shell (4)
One end of gauge block (1) is fixedly connected with the shell (4), and the other end is kept centainly with the shell (4) and the magnet (2)
Apart from and in free state；
Described conductive column (3) one end is cylinder, and interference fit is fixed in the conductive pole hole of the cover board (5), the conduction
Column (3) other end is rectangular sheet, and described rectangular sheet one end is fixed on the cylinder of the conductive column (3), and the other end is freely
State；
It is additionally provided with screw hole corresponding with the shell (4) on the cover board (5), passes through the screw (6) and the shell
(4) fixed installation is blocked in place with realizing；
The spring-mass block (1) is used under the suction in inertia force and the spring-mass block (1) with the magnet (2)
Overcome the spring resistance of itself to be contacted with the conductive column (3), realizes the conducting and disconnection of circuit.
2. a kind of locking type inertia switch according to claim 1, which is characterized in that the spring-mass block (1) includes
Plane spring (101), mass block (102) and T-shaped block (103), described plane spring (101) one end are fixed on T-shaped block (103)
On, the other end connect with mass block (102) and is in free state.
3. a kind of locking type inertia switch according to claim 1 or 2, which is characterized in that the spring-mass block (1) is adopted
It is prepared with the micro Process of multiple lamination plating metal nickel (Ni).
4. a kind of locking type inertia switch according to claim 2, which is characterized in that the line of the conductive column (3) with
The mass block (102) is parallel, and the conductive column (3) is maintained a certain distance with the mass block (102).
5. a kind of locking type inertia switch according to claim 4, which is characterized in that the rectangle on the conductive column (3)
The thickness of piece is 0.3~0.6mm.
6. a kind of locking type inertia switch according to claim 2, which is characterized in that shell (4) center is equipped with side
Slot (401), and the shell (4) one end is connected to equipped with groove (402) with the square groove (401), the other end is equipped with card slot (403)
It is connected to the square groove (401).
7. a kind of locking type inertia switch according to claim 6, which is characterized in that T-shaped block (103) fixed setting
In the card slot (403), the plane spring (101) and the mass block (102) setting are in the square groove (401).
8. a kind of locking type inertia switch according to claim 6, which is characterized in that magnet (2) bottom is embedded in institute
It states in groove (402).
9. a kind of locking type inertia switch according to claim 8, which is characterized in that the shell (4) is rectangular, round
Or other shapes structure.
10. a kind of locking type inertia switch according to claim 1, which is characterized in that the cover board (5) and the shell
(4) shape is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810543395.8A CN108630489A (en) | 2018-05-31 | 2018-05-31 | A kind of locking type inertia switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810543395.8A CN108630489A (en) | 2018-05-31 | 2018-05-31 | A kind of locking type inertia switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108630489A true CN108630489A (en) | 2018-10-09 |
Family
ID=63690715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810543395.8A Pending CN108630489A (en) | 2018-05-31 | 2018-05-31 | A kind of locking type inertia switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108630489A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112285381A (en) * | 2020-11-03 | 2021-01-29 | 上海交通大学 | MEMS inertial switch with adjustable threshold |
| CN114220702A (en) * | 2021-12-20 | 2022-03-22 | 湖南迈克森伟电子科技有限公司 | Mechanical locking type switch based on inertia |
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|---|---|---|---|---|
| CN102012434A (en) * | 2010-09-17 | 2011-04-13 | 孙博华 | Capacitive angular speed sensor of micro electro mechanical system and manufacturing method thereof |
| CN102157298A (en) * | 2011-03-22 | 2011-08-17 | 西安电子科技大学 | Permanent magnetic collision sensor |
| WO2013014634A1 (en) * | 2011-07-26 | 2013-01-31 | Rafael - Advanced Defense Systems Ltd. | Switching device |
| CN103594283A (en) * | 2013-11-28 | 2014-02-19 | 重庆大学 | Micro-mechanics transverse vibration acceleration switch |
| CN205863122U (en) * | 2016-08-03 | 2017-01-04 | 湖北三江航天红林探控有限公司 | A kind of overload connects electric switch |
-
2018
- 2018-05-31 CN CN201810543395.8A patent/CN108630489A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012434A (en) * | 2010-09-17 | 2011-04-13 | 孙博华 | Capacitive angular speed sensor of micro electro mechanical system and manufacturing method thereof |
| CN102157298A (en) * | 2011-03-22 | 2011-08-17 | 西安电子科技大学 | Permanent magnetic collision sensor |
| WO2013014634A1 (en) * | 2011-07-26 | 2013-01-31 | Rafael - Advanced Defense Systems Ltd. | Switching device |
| CN103594283A (en) * | 2013-11-28 | 2014-02-19 | 重庆大学 | Micro-mechanics transverse vibration acceleration switch |
| CN205863122U (en) * | 2016-08-03 | 2017-01-04 | 湖北三江航天红林探控有限公司 | A kind of overload connects electric switch |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112285381A (en) * | 2020-11-03 | 2021-01-29 | 上海交通大学 | MEMS inertial switch with adjustable threshold |
| CN112285381B (en) * | 2020-11-03 | 2021-09-24 | 上海交通大学 | MEMS inertial switch with adjustable threshold |
| CN114220702A (en) * | 2021-12-20 | 2022-03-22 | 湖南迈克森伟电子科技有限公司 | Mechanical locking type switch based on inertia |
| CN114220702B (en) * | 2021-12-20 | 2023-04-14 | 湖南迈克森伟电子科技有限公司 | Mechanical locking type switch based on inertia |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20181009 |