CN108766799A - A kind of wink dynamic travel switch - Google Patents
A kind of wink dynamic travel switch Download PDFInfo
- Publication number
- CN108766799A CN108766799A CN201810870817.2A CN201810870817A CN108766799A CN 108766799 A CN108766799 A CN 108766799A CN 201810870817 A CN201810870817 A CN 201810870817A CN 108766799 A CN108766799 A CN 108766799A
- Authority
- CN
- China
- Prior art keywords
- moving contact
- contact
- switch
- contact group
- engine base
- 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
- 230000003068 static effect Effects 0.000 claims abstract description 25
- 229910001316 Ag alloy Inorganic materials 0.000 claims description 51
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 11
- 239000011230 binding agent Substances 0.000 claims description 5
- 229910001020 Au alloy Inorganic materials 0.000 claims description 3
- 239000003353 gold alloy Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 238000000926 separation method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 13
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- YCKOAAUKSGOOJH-UHFFFAOYSA-N copper silver Chemical compound [Cu].[Ag].[Ag] YCKOAAUKSGOOJH-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/16—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift
Landscapes
- Contacts (AREA)
- Manufacture Of Switches (AREA)
Abstract
The invention discloses move travel switch, including switch cover, switch engine base, button, resetting spring, moving contact component, spring leaf, shelves part lever a kind of wink；Button is housed at the top of switch engine base, resetting spring is housed on button, moving contact component is set among switch engine base；Shelves part lever is set in the both sides of moving contact component underbump, one end of shelves part lever resists moving contact component convex block, and for the positive opening of switch, the other end of shelves part lever is embedded into the groove on switch engine base；Normally opened static contact group and normally closed static contact group are embedded into the inside of switch engine base；Solve in the case where high current is connected, contact adhesion together the problem of and even if contact by the bonding in the case of high current after, the service life of switch can be improved as far as possible by contact separation by the change in the structure of shelves part lever.
Description
Technical field
The present invention relates to low voltage switchs more particularly to a kind of wink to move travel switch.
Background technology
Travel switch is moved wink in intelligent grid gas-insulated ring network cabinet, generally reserved auxiliary contact presses off to control height
The control for closing the motor, coil, electromagnet and signal in secondary circuit, it is right since the voltage and current grade of various loads is different
The requirement of the control component of a control loop is also different, and the control loop of DC250V voltages requires the disjunction energy of high current
Power, DC24V signal circuits, electric current is generally in 50mA, it is desirable that in the case of small voltage low current, reliability is connected, and simultaneously
When meeting different use classes, it is desirable that control switch is required with different technologies to meet.
A kind of electrical snap-action switch is disclosed according to CN103503102B, with can be via switch lever and bistable
Spring-operated contact bridge is provided with slide ramp (Gleitrampe) in the mobile route of contact bridge, disconnected in spring arm
Affiliated contacts separate when splitting by least one contact of contact bridge in final shift position with corresponding contact pair；But
The problem of bonding together due to contact is being still remained in the above technical solution, meanwhile, in the mobile route of contact bridge
It is provided with after slide ramp, equally the disjunction of meeting influencing contactor.
Contact and arc blow device associated with contact are disclosed according to CN 105826102A, wherein arc blow fills
It sets including at least one blow magnet for generating arc blow field, and wherein blow field has what is formed when contact disconnects to open
The technical solution that powered-down arc is put out from contact, although in the technical solution of the disclosure arc extinguishing can be carried out using arc blow field,
But also without solving the problems, such as contact disjunction under high current.
Thus according to technical solution disclosed above, always without solve conducting high current under, contact adhesion together with
And by the bonding in the case of high current, what happened ,then can be carried as far as possible by contact separation by the change in structure for contact
The service life of height switch.
Invention content
The purpose of the present invention is a kind of wink move stroke according in place of above-mentioned the deficiencies in the prior art, the object of the invention is realized and open
It closes, including switch cover, switch engine base, button, resetting spring, moving contact component, spring leaf, shelves part lever；It is opened in described
The top of shutdown seat is equipped with button, resetting spring is housed on the button, which is characterized in that in the switch engine base
Between moving contact component is set, spring leaf is set at the top of the described switch engine base, one end of spring leaf heads on the inside of button
The first groove in both sides is attached, second groove on the top of the other end connection moving contact component of spring leaf
It is interior；Shelves part lever is set in the both sides of moving contact component underbump, one end of shelves part lever resists moving contact component convex block, uses
It is embedded into the groove on switch engine base in the other end of the positive opening of switch, shelves part lever；The both sides of moving contact component are set
Set normally opened static contact group and normally closed static contact group；The normally opened static contact group and normally closed static contact group are embedded into switch engine base
It is internal.
Further, the moving contact component further includes silver alloy moving contact group, billon moving contact group, contact supporting,
Contact supporting buckles；The lateral snap-in groove of setting in the front and rear sides of contact supporting；At the rear of snap-in groove, one arc is set
The contact supporting of shape buckles；Billon moving contact group and silver alloy moving contact group are entrapped in snap-in groove；Contact supporting buckles
One end resist billon moving contact group and silver alloy moving contact group；A round bump is arranged in intermediate in snap-in groove；Jin He
Golden moving contact group and silver alloy moving contact group form point contact in snap-in groove.
Further, the silver alloy moving contact group further includes two silver alloy moving contacts being symmetrical set；Silver closes
The lower section of golden moving contact is copper alloy base；In the top of copper alloy base, silver alloy contact layer is set；The billon is dynamic
Sets of contacts includes two billon moving contacts being symmetrical set；The lower section of billon moving contact is copper alloy base；In copper
Silver alloy binder course, the plated with gold alloy contact layer above silver alloy binder course is arranged in the top of alloy base；
Further, the golden contact on the normally closed contact plate in the normally closed golden sets of contacts of the billon moving contact and lower section
It is in contact, is in cross contact structures.
Further, it being equipped with button installing hole at the top of the switch engine base, button is arranged in the button installing hole,
Moving contact group fixing groove is set in the bottom of the switch engine base, normally opened static contact group is equipped in the both sides of the switch engine base
Mounting groove and normally closed static contact group mounting groove are equipped with permanent magnet mounting hole in the centre of the switch engine base；It is installed in permanent magnet
Permanent magnet is set in hole.
Further, a holder is arranged in the left side at the top of switch engine base, for lever drive rod to be arranged；Lever drive rod is set
It sets in the top of button.
The technical effects of the invention are that solve the problem of in the case where high current is connected contact adhesion together and
After even if contact is by the bonding in the case of high current, by the change in the structure of shelves part lever can as far as possible by
Contact separation improves the service life of switch.The different ways of contact is arranged on contact to solve in breaking course, contacts
Unstable problem；Solve the problem of that the reliability generated in use since disjunction electric parameter is different reduces.
Description of the drawings
Fig. 1 is the switch internal structural schematic diagram of engine base of the present invention gone after cover.
Fig. 2 is the structural schematic diagram of the engine base of the present invention.
Fig. 3 is the moving contact group structure main view direction schematic diagram of the present invention.
Fig. 4 is the moving contact group structure left view direction schematic diagram of the present invention.
Fig. 5 is the enlarged diagram of the convex closure structure of the contact supporting of the present invention.
Fig. 6 is the schematic diagram for the method that moving contact group is installed into contact supporting.
Fig. 7 is the schematic diagram in the billon sets of contacts contact structures main view direction of the present invention.
Fig. 8 is the schematic diagram of the billon sets of contacts contact structures overlook direction of the present invention.
Fig. 9 is the billon structure of contact terminal schematic diagram of the present invention.
Figure 10 is the schematic diagram in the silver alloy contact group contact structures main view direction of the present invention.
Figure 11 is the schematic diagram in the silver alloy contact group contact structures main view direction of the present invention.
Figure 12 is the silver alloy contact structural schematic diagram of the present invention.
Figure 13 is the stereoscopic schematic diagram of the assembly lever drive rod of the second embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
It is incorporated in shown in attached drawing 1, attached drawing 2, present embodiments provides a kind of wink dynamic travel switch, including switch cover 3, open
Shut down seat 4, button 1, resetting spring 2, moving contact component 100, spring leaf 5, shelves part lever 6；It is equipped at the top of switch engine base 4
Button 1 is equipped with resetting spring 2 on button 1, moving contact component 100 is arranged among switch engine base 4, on the top of switch engine base 4
Spring leaf 5 is arranged in portion, and one end of spring leaf 5 heads on first groove 51 of the inside of button 1 in both sides and is attached, spring leaf 5
The other end connection moving contact component 100 top the second groove 52 in；Both sides below moving contact component convex block 101 are set
A grade part lever 6 is set, one end of shelves part lever 6 resists moving contact component convex block 101, for the positive opening of switch, shelves part lever 6
The other end be embedded into switch engine base 4 on groove 48 in；Normally opened static contact group 7 and often is arranged in the both sides of moving contact component 100
Close static contact group 7；The normally opened static contact group 7 and normally closed static contact group 8 is embedded into the inside of switch engine base 4.Above-mentioned knot
Structure constitutes the moving contact component 100 of the present invention and the structure of normally opened static contact group 7 and normally closed static contact group 8；Such knot
Structure solves the problem of that contact adhesion is together in the case where high current is connected；It can ensure the feelings together in contact adhesion
Under condition or even if contact by the bonding in the case of high current after, can be use up by the change in the structure of shelves part lever
It is possible by contact separation, improve the service life of switch.
In conjunction with shown in attached drawing 3, attached drawing 4, attached drawing 5, moving contact component 100 further includes silver alloy moving contact group 92, billon
Moving contact group 93, contact supporting 91, contact supporting buckle 911；In the front and rear sides of contact supporting 91, the lateral buckle of setting is recessed
Slot 912；At the rear of snap-in groove 912, the contact supporting buckle 911 of one arcuation is set；Billon moving contact group 93 and silver alloy
Moving contact group 92 is entrapped in snap-in groove 912；One end of contact supporting buckle 911 resists billon moving contact group 93 and silver closes
Golden moving contact group 92；A round bump 913 is arranged in intermediate in snap-in groove 912；Billon moving contact group 93 and silver alloy are dynamic
Sets of contacts 92 forms point contact in snap-in groove 912；
As shown in Fig. 6, the method that billon moving contact group 93 and silver alloy moving contact group 92 put into contact supporting 91, first
Billon moving contact group 93 and silver alloy moving contact group 92 are packed into contact supporting 91 by contact supporting buckle 911, then pushed away
Enter billon moving contact group 93 and silver alloy moving contact group 92 to 912 bottom of installation snap-in groove, due to contact supporting buckle 911
With certain resilience performance, elastic deformation occurs and billon moving contact group 93 and silver alloy moving contact group 92 are stuck in card slot
It is interior, it is clearance fit in slot, is blocked at rear billon moving contact group 93 and silver alloy moving contact group 92 by contact supporting buckle 911
It is the heeling condition of right end when stationary state, is touched in billon moving contact group 93 and silver alloy moving contact group 92 normally closed
Horizontality is returned back to after static contact group 8.It is touched since the effect billon moving contact group 93 and silver alloy of round bump 913 are dynamic
Head group 92 has the function of automatic capturing before and after forming swing on round bump 913, meets the experiment of 100,000 electric lifes of switch
It is required that.In this way, being gap-matched simultaneously, ensure silver alloy moving contact group 92, billon moving contact group 93 is in snap-in groove 912
In, assembly is reliable, and has certain swing gap simultaneously；Silver alloy moving contact group 92, billon moving contact group 93 can be
Contact supporting buckle 911 support under automatic capturing installation site, ensure in switch contact, will not due to contact scaling loss and
Cause the contact after plane height unreliable；Simultaneously in snap-in groove 912 be arranged round bump 913 in this way be more prone to so that
Silver alloy moving contact group 92, it is round convex in setting even if billon moving contact group 93 in the case of welding, is more prone to separate
After block 913, by the structure of the projection cube structure and contact supporting buckle 911, silver alloy moving contact can be lived in Bidirectional supporting
Group 92, while billon moving contact group 93, in silver alloy moving contact group 92, billon moving contact group 93 is due to switch motion time
Number can be by the support silver alloy moving contact of round bump 913 group 92 when tilting, and billon moving contact group 93 makes
It obtains it and returns back to the equal state of left and right contact position；Realize the function of automatic capturing.
By verification experimental verification, if not increasing round bump 913, between switch carries out electrical endurance test 10,000 5~20,000 time,
It will produce silver alloy moving contact group 92,93 or so non-equilibrium state of billon moving contact group, silver alloy moving contact group 92, billon
Single edge contact occurs for moving contact group 93, to seriously reduce the mechanical life of switch.After increasing round bump 913, switch exists
After carrying out 100,000 electrical endurance tests, silver alloy moving contact group 92, billon moving contact group 93 still maintains balance, and silver closes
2 contact wear situations of golden moving contact group 92, billon moving contact group 93 are identical；To ensure that the service life of contact.
In the present embodiment, in conjunction with shown in attached drawing 10, attached drawing 11, attached drawing 12, silver alloy moving contact group 92 further includes left and right
Symmetrically arranged two silver alloy moving contacts 921；The lower section of silver alloy moving contact 921 is copper alloy base 922；In copper alloy base
The top setting silver alloy contact layer 923 of layer 922；
Equally, the silver alloy moving contact 921 in silver alloy moving contact group 92 and the normally opened contact plate in normally opened static contact group 7
71 silver contact 711 is coordinated with one heart with rounded contact, ensures contact reliability.
In the present embodiment, in conjunction with shown in attached drawing 7, attached drawing 8, attached drawing 9, billon moving contact group 93 includes symmetrical sets
The two billon moving contacts 931 set；The lower section of billon moving contact 931 is copper alloy base 922；In copper alloy base 922
Top setting silver alloy binder course 932, the plated with gold alloy contact layer 933 above silver alloy binder course 932.
The structure of above-mentioned silver alloy moving contact 921 and billon moving contact 931, the gold in billon moving contact group 93 close
The billon moving contact 931 of golden moving contact 931 and the normally closed contact plate 81 of normally closed static contact group 8 is carried out with the cross way of contact
Assembly.The different ways of contact is arranged on contact to solve in breaking course, contacts unstable problem；Solution is using
In the process, the problem of reliability generated since disjunction electric parameter is different reduces.
Due to being clearance fit between silver alloy moving contact group 92, billon moving contact group 93 and contact supporting 91, and have
There is certain small swing space, generally using circular contact to ensure the reliability of contact when in most cases contacting.
Using rectangular contact, dynamic/static contact right-angled intersection cooperation contact, from the use on the one hand having saved golden contact, saved at
This.From another point of view again can simultaneously guarantee fund's contact contact reliability, when silver alloy moving contact group 92, billon moving contact group
When 93 generation small sway, the way of contact of cross enables to accessible area bigger, and not will produce using rounded contact
Often the contact-sliding phenomenon that can occur, to larger ensure that contact reliability.This kind of structure is carrying out 100,000 electric longevity
After life, scaling loss or the insecure situation of contact still will not occur.
In conjunction with shown in attached drawing 2,4 top of switch engine base is equipped with button installing hole 41, and button 1 is arranged in button installing hole 41
In, in the bottom setting moving contact group fixing groove 41 of switch engine base 4, pacify equipped with normally opened static contact group in the both sides of switch engine base 4
Tankage 43 and normally closed static contact group mounting groove 44 are equipped with permanent magnet mounting hole 45 in the centre of switch engine base 4；It is installed in permanent magnet
Permanent magnet 46 is set in hole 45.
It is the second embodiment of the present invention shown in attached drawing 13, in the case where Switch main body is constant, assembles lever
A holder is arranged in the left side at 4 top of switch engine base using diversity in the possibility of drive rod 14, further lifting switch
141, for lever drive rod 14 to be arranged；Lever drive rod 14 is arranged in the top of button 1.
As the preferred embodiment of the invention, it is obvious to a person skilled in the art that showing the present invention is not limited to above-mentioned
The details of exemplary embodiment, and without departing from the spirit or essential characteristics of the present invention, it can be with other specific
Form realizes the present invention and protection scope of the present invention.Therefore, in all respects, the embodiments should be taken as
It is exemplary, and be non-limiting, the scope of the invention being indicated by the appended claims rather than by the foregoing description, therefore purport
It is included within the present invention by all changes that come within the meaning and range of equivalency of the claims.Right should not be wanted
Any reference numeral in asking, which is considered as, to be limited the claims involved.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (6)
1. move travel switch a kind of wink, including switch cover, switch engine base, button, resetting spring, moving contact component, spring leaf,
Shelves part lever；Button is housed at the top of the switch engine base, resetting spring is housed on the button, feature exists
In moving contact component is arranged among the switch engine base, spring leaf, spring leaf is arranged at the top of the described switch engine base
One end head on first groove of the inside of button in both sides and be attached, the other end connection of the spring leaf moving contact group
In second groove on the top of part；Shelves part lever is set in the both sides of moving contact component underbump, one end of shelves part lever is supported
Firmly moving contact component convex block, for the positive opening of switch, the other end of shelves part lever is embedded into the groove on switch engine base；
Normally opened static contact group 43 and normally closed static contact group 44 is arranged in the both sides of moving contact component；The normally opened static contact group and normally closed quiet
Sets of contacts is embedded into the inside of switch engine base.
2. a kind of wink as described in claim 1 moves travel switch, which is characterized in that the moving contact component further includes silver-colored conjunction
Golden moving contact group, billon moving contact group, contact supporting, contact supporting buckle；It is arranged laterally in the front and rear sides of contact supporting
Snap-in groove；At the rear of snap-in groove, the contact supporting buckle of one arcuation is set；Billon moving contact group and silver alloy are dynamic
Sets of contacts is entrapped in snap-in groove；One end of contact supporting buckle resists billon moving contact group and silver alloy moving contact group；
A round bump is arranged in intermediate in snap-in groove；Billon moving contact group and silver alloy moving contact group are formed in snap-in groove
Point contact.
3. a kind of wink as claimed in claim 2 moves travel switch, which is characterized in that the silver alloy moving contact group further includes
Two silver alloy moving contacts being symmetrical set；The lower section of silver alloy moving contact is copper alloy base；In copper alloy base
Silver alloy contact layer is arranged in top；The billon moving contact group includes two billon moving contacts being symmetrical set；
The lower section of billon moving contact is copper alloy base；Silver alloy binder course is set in the top of copper alloy base, in silver alloy knot
Close plated with gold alloy contact layer above layer.
4. a kind of wink as claimed in claim 3 moves travel switch, which is characterized in that the billon moving contact and lower section
The golden contact on normally closed contact plate in normally closed gold sets of contacts is in contact, and is in cross contact structures.
5. a kind of wink as described in claim 1 moves travel switch, which is characterized in that be equipped with button at the top of the switch engine base
Mounting hole, button are arranged in the button installing hole, and moving contact group fixing groove is arranged in the bottom of the switch engine base,
It is equipped with normally opened static contact group mounting groove and normally closed static contact group mounting groove in the both sides of the switch engine base, in the switch engine base
Centre be equipped with permanent magnet mounting hole；Permanent magnet is set in permanent magnet mounting hole.
6. any one wink as described in claim 1-5 moves travel switch, which is characterized in that the left side at the top of switch engine base
A holder is arranged in side, for lever drive rod to be arranged；Lever drive rod is arranged in the top of button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810870817.2A CN108766799B (en) | 2018-08-02 | 2018-08-02 | Instantaneous travel switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810870817.2A CN108766799B (en) | 2018-08-02 | 2018-08-02 | Instantaneous travel switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108766799A true CN108766799A (en) | 2018-11-06 |
| CN108766799B CN108766799B (en) | 2024-06-25 |
Family
ID=63968690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810870817.2A Active CN108766799B (en) | 2018-08-02 | 2018-08-02 | Instantaneous travel switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108766799B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ308262B6 (en) * | 2019-03-13 | 2020-03-25 | Generi, S.R.O. | Low-voltage switchgear |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201122533Y (en) * | 2007-11-04 | 2008-09-24 | 朱建新 | Travel switch |
| CN201126778Y (en) * | 2007-10-06 | 2008-10-01 | 朱建新 | Closed type position switch |
| CN102097234A (en) * | 2010-12-27 | 2011-06-15 | 刘坚钢 | Permanent-magnet magnetic blowing effect-based travel switch |
| CN202384185U (en) * | 2011-12-22 | 2012-08-15 | 西安开天传动技术有限公司 | Double-bridge double-break magnetic blow-out sealed quick-acting switch |
| CN206148323U (en) * | 2016-07-22 | 2017-05-03 | 宁波速普电子有限公司 | Quick switch of normally opening normal close stand alone type contact module and adopting this contact module |
| CN208570379U (en) * | 2018-08-02 | 2019-03-01 | 上海飞力勋铖电气科技有限公司 | A kind of wink dynamic travel switch |
-
2018
- 2018-08-02 CN CN201810870817.2A patent/CN108766799B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201126778Y (en) * | 2007-10-06 | 2008-10-01 | 朱建新 | Closed type position switch |
| CN201122533Y (en) * | 2007-11-04 | 2008-09-24 | 朱建新 | Travel switch |
| CN102097234A (en) * | 2010-12-27 | 2011-06-15 | 刘坚钢 | Permanent-magnet magnetic blowing effect-based travel switch |
| CN202384185U (en) * | 2011-12-22 | 2012-08-15 | 西安开天传动技术有限公司 | Double-bridge double-break magnetic blow-out sealed quick-acting switch |
| CN206148323U (en) * | 2016-07-22 | 2017-05-03 | 宁波速普电子有限公司 | Quick switch of normally opening normal close stand alone type contact module and adopting this contact module |
| CN208570379U (en) * | 2018-08-02 | 2019-03-01 | 上海飞力勋铖电气科技有限公司 | A kind of wink dynamic travel switch |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ308262B6 (en) * | 2019-03-13 | 2020-03-25 | Generi, S.R.O. | Low-voltage switchgear |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108766799B (en) | 2024-06-25 |
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