CN208938836U - Transhipment formula electromagnetic switch mechanism and its phase-change switch, threephase switch and switching system - Google Patents
Transhipment formula electromagnetic switch mechanism and its phase-change switch, threephase switch and switching system Download PDFInfo
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- CN208938836U CN208938836U CN201821628647.9U CN201821628647U CN208938836U CN 208938836 U CN208938836 U CN 208938836U CN 201821628647 U CN201821628647 U CN 201821628647U CN 208938836 U CN208938836 U CN 208938836U
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Abstract
The utility model belongs to construction of switch field, it is related to a kind of transhipment formula electromagnetic switch mechanism and its phase-change switch, threephase switch and switching system, including moving contact rack, moving contact rack one end is equipped with moving contact, static contact is equipped with the mutual corresponding position of moving contact, static contact is fixedly connected with switch main casing, the other end of moving contact rack is connect by shaft one with switch main casing holder pivots, it is connect by the iron core pull rod of electromagnet with electromagnet between moving contact rack both ends, it is to be flexibly connected between moving contact rack and iron core pull rod, electromagnet is fixed with switch main casing.The structure design of the utility model is reasonable, simple, greatly shortens bounce time when switch closes a floodgate, extends the electrical endurance of switch.
Description
Technical field
The utility model relates to a kind of transhipment formula electromagnetic switch mechanisms, belong to construction of switch field.
Background technique
Electromagnetic switch is direct shipment type currently on the market, is mainly made of electromagnet, guide post and switch contact, work
Process be mainly electromagnet iron core pull rod by guide post drive moving contact up and down directly operation complete with the combined floodgate of static contact and
It disconnects, not only structure is complicated for this switch, but also due to its structure, opens caused by impacting when switching and closing a floodgate because of contact
It is serious to close contact bounce, switch contact spring not only influences closing time, but also can cause combined floodgate electric arc, seriously affects the electrical of switch
Service life.
Utility model content
The purpose of this utility model is that propose a kind of transhipment formula electromagnetic switch mechanism, the transhipment formula electromagnetic switch mechanism knot
Structure is simple, greatly shortens bounce time when switch closes a floodgate, extends the electrical endurance of switch.
Transhipment formula electromagnetic switch mechanism described in the utility model, including moving contact rack, moving contact rack one end are equipped with
Moving contact is equipped with static contact with the mutual corresponding position of moving contact, and static contact is fixedly connected with switch main casing, moving contact rack
The other end by shaft one with switch main casing holder pivots connect, pass through the iron of electromagnet between the both ends of moving contact rack
Core pull rod is connect with electromagnet, is flexibly connected between moving contact rack and iron core pull rod, and electromagnet is fixed with switch main casing.
Moving contact rack, switch main casing and switch main casing body support frame are insulator, and static contact electrical connection switchs defeated
Enter end, corresponding moving contact passes through the output end of flexible wire connection switch, the load of the output end connection power network line of switch
Side, flexible wire can be brush wire, and flexible wire keeps moving contact rack damping when rotating around shaft one smaller.Electricity
After magnet coil is powered, electromagnet core backward stick action, and iron core pull rod drives moving contact rack to rotate around shaft one, moves
Stylus holder pivots to drive moving contact corresponding thereto position static contact closure, coil blackout, then by electromagnet
Permanent magnet maintain moving contact and static contact closed state.No longer by multiple springs during moving contact and static contact combined floodgate
Collective effect, therefore when closing the switch, spring is reduced, and bounce time shortens, when considerably reducing combined floodgate caused by spring
Volume electric arc extends the electrical endurance of switch.
Iron core pull rod acts on the medium position of moving contact rack, and shaft is set to the structure side of the moving contact rack other end
Formula, compared to the other end that iron core pull rod acts on moving contact rack, shaft is set to the structure of the medium position of moving contact rack
For mode, closing time is shorter.And this mechanism completes phase energization by two pairs of dynamic and static contacts of original Zhi Yun mechanism and is changed to
A pair of dynamic and static contact completes a Xiang Tong electricity, has saved cost.
Preferably, the iron core pull rod link position of the moving contact rack and electromagnet is equipped with card slot, there is card in card slot
The baffle of the iron core tie rod end of electromagnet.When the iron core pull rod of electromagnet pushes moving contact rack to be rotated up, iron core is drawn
The baffle of boom end is to withstand card slot upper surface at this time；When the iron core pull rod of electromagnet pulls moving contact rack to rotate down,
The baffle of iron core tie rod end is to be close to card slot lower surface at this time.
Preferably, the iron core pull rod link position of the moving contact rack and electromagnet be equipped with connecting plate, connecting plate with
The iron core tie rod end of electromagnet is connected by shaft two, and the iron core pull rod of electromagnet is driven on moving contact rack by connecting plate
Lower rotation.
Preferably, described moving contact rack one end is equipped with 1 moving contact, is equipped with 1 with the mutual corresponding position of moving contact
A static contact.It can according to need the moving contact and static contact of the power supply choice of the number of phase respective numbers of connection.
Preferably, described moving contact rack one end is equipped with 3 moving contacts, sets 3 with the mutual corresponding position of moving contact
Static contact.
Preferably, the electromagnet is permanent-magnet electromagnet, is push-pull structure.
Preferably, the electromagnet includes outer housing, is equipped with coil rack, coil rack axial direction interposition in outer housing
Middle cavity has been installed, permanent magnet is equipped with below middle cavity, is equipped with iron core pull rod, iron core in the middle cavity above permanent magnet
Pull rod is soft magnet core, and coil rack periphery is wound with coil.Coil leads to direct current, and when actuation, coil leads to forward voltage, iron core
Pull rod moves downward, and moving contact and static contact are attracted, and powers off after actuation, maintains state by permanent magnet；When disconnection, coil is logical reversed
Voltage, iron core pull rod move upwards, and disconnect moving contact and static contact, coil blackout.
Preferably, the electromagnet includes outer housing, is equipped with coil rack, coil rack axial direction interposition in outer housing
Middle cavity is installed, setting has the annular permanent magnet of central through hole in the middle part of middle cavity, and annular permanent magnet is logical equipped with center
Hole, middle cavity is interior to be equipped with iron core pull rod, and coil rack periphery is wound with coil.Coil leads to direct current, and when actuation, coil is logical just
To voltage, iron core pull rod moves downward the central through hole across annular permanent magnet, and moving contact and static contact are attracted, break after actuation
Electricity maintains state by permanent magnet；When disconnection, coil leads to backward voltage, and iron core pull rod moves upwards, and keeps moving contact and static contact disconnected
It opens, coil blackout.Iron core pull rod does not collide during moving up and down with permanent magnet, is conducive to iron core pull rod and permanent magnet institute
It is damaged and is preferably minimized.
A kind of phase-change switch, the transhipment formula electromagnetic switch mechanism including three containing 1 pair of moving contact and static contact, three turn
The input terminal of fortune formula electromagnetic switch mechanism respectively corresponds the A phase input terminal, B phase input terminal and C phase input terminal of power network line, and three
The corresponding output end of transhipment formula electromagnetic switch mechanism is respectively a phase output terminal, b phase output terminal and c phase output terminal, and a phase is defeated
Outlet, b phase output terminal and c phase output terminal are connected together as phase L.The moving contact of transhipment formula electromagnetic switch mechanism is as output
End, and corresponding static contact is as input terminal.When certain running phase electricity needs to switch, first by the corresponding transhipment formula
The moving contact and static contact of electromagnetic switch mechanism disconnect, while the corresponding transhipment formula electromagnetic switch mechanism of route that needs are run
Moving contact and static contact be attracted, due to mechanism moving contact and static contact be attracted and opening velocity it is very fast, commutation
User power utilization is not impacted in journey.
A kind of threephase switch, the transhipment formula electromagnetic switch mechanism including one containing 3 pairs of moving contacts and static contact, this transhipment
Three input terminals of formula electromagnetic switch mechanism respectively correspond the A phase input terminal, B phase input terminal and C phase input terminal of power network line, phase
Corresponding three output ends are respectively a phase output terminal, b phase output terminal and c phase output terminal.A phase input terminal, B phase input terminal and C
Phase input terminal is separately connected the source side of power network line, a1Phase output terminal, b1Phase output terminal and c1Phase output terminal is separately connected power grid
The load side of route.Every a pair of of the moving contact and static contact of 3 pairs of moving contacts and static contact are respectively an output of threephase switch
End and input terminal, 3 are attracted or disconnect simultaneously to moving contact and static contact when magnet spool is logical positive electric or reversed electric.
Using the switching system of above-mentioned threephase switch, including two threephase switches, three input terminals of a threephase switch
Respectively correspond the A of power network line one1Phase input terminal, B1Phase input terminal and C1Phase input terminal, corresponding three output ends are respectively
a1Phase output terminal, b1Phase output terminal and c1Three input terminals of phase output terminal, another threephase switch respectively correspond power network line two
A2Phase input terminal, B2Phase input terminal and C2Phase input terminal, corresponding three output ends are respectively a2Phase output terminal, b2Mutually export
End and c2Phase output terminal, a1Phase output terminal and a2Phase output terminal is a phase output terminal, b after being connected1Phase output terminal and b2Mutually export
End is b phase output terminal, c after being connected1Phase output terminal and c2Phase input terminal is c phase output terminal after being connected.A1Phase input terminal, B1
Phase input terminal and C1Phase input terminal is separately connected the source side of power network line one, A2Phase input terminal, B2Phase input terminal and C2It is mutually defeated
Enter the source side that end is separately connected power network line two, a phase output terminal, b phase output terminal and c phase output terminal are separately connected grid line
The load side on road.Two threephase switches are respectively correspondingly connected with a power network line, can become dual-power transfer switch.
Possessed beneficial effect is the utility model compared with prior art:
The structure design of the utility model is reasonable, and by driving moving contact rack rotation to realize, moving contact and static contact are closed,
No longer by the collective effect of multiple springs during closure, therefore spring is reduced when closure, and bounce time shortens, and greatly subtracts
Electric arc caused by bouncing when having lacked combined floodgate, extends the electrical endurance of switch, and this mechanism is by two pairs of original Zhi Yun mechanism
Dynamic and static contact completes phase energization and is changed to one Xiang Tong electricity of a pair of dynamic and static contact completion, has saved cost；Using changing for this mechanism
It mutually switchs, due to moving contact and static contact is attracted and opening velocity is very fast, so not causing shadow to user power utilization in commutation process
It rings；It can be realized 3 pairs of moving contacts and static contact using the threephase switch of this mechanism while being attracted or disconnecting, and opened using this three-phase
The rapid switching of two power supplies may be implemented in the switching system of pass.
Detailed description of the invention
Fig. 1, transhipment formula electromagnetic switch mechanism structural schematic diagram one (moving contact and static contact disconnect)；
Fig. 2, transhipment formula electromagnetic switch mechanism structural schematic diagram two (moving contact and static contact are closed)；
Fig. 3, transhipment formula electromagnetic switch mechanism structural schematic diagram three；
Fig. 4,1 pair of moving contact and static contact structure schematic diagram；
Fig. 5,3 pairs of moving contacts and static contact structure schematic diagram；
Fig. 6, phase-change switch schematic diagram；
Fig. 7, threephase switch schematic diagram；
Fig. 8, switching system schematic diagram；
Fig. 9, transhipment formula electromagnetic switch mechanism structural schematic diagram four.
In figure: 1, electromagnet；2, iron core pull rod；3, main casing body support frame is switched；4, shaft one；5, moving contact rack；6, it moves
Contact；7, static contact；8, card slot；9, baffle；10, shaft two；11, coil；12, coil rack；13, permanent magnet；14, flexibility is led
Line；15, middle cavity；16, central through hole.
Specific embodiment
The utility model is described further with reference to the accompanying drawing:
Transhipment formula electromagnetic switch mechanism described in the utility model, as Figure 1-Figure 5, including moving contact rack 5, move touching
5 one end of head bracket is equipped with moving contact 6, is equipped with static contact 7, static contact 7 and switch main casing with the mutual corresponding position of moving contact 6
It is fixedly connected, the other end of moving contact rack 5 is rotatablely connected by shaft 1 and switch main casing body support frame 3, moving contact rack 5
Both ends between connect by the iron core pull rod 2 of electromagnet 1 with electromagnet 1, be living between moving contact rack 5 and iron core pull rod 2
Dynamic connection, electromagnet 1 are fixed with switch main casing.
There are two types of schemes for 2 connection type of iron core pull rod of moving contact rack 5 and electromagnet 1:
Scheme one: such as Fig. 1 and Fig. 2,2 link position of iron core pull rod of moving contact rack 5 and electromagnet 1 is equipped with card slot 8,
Card has the baffle 9 of 2 end of iron core pull rod of electromagnet 1 in card slot 8.When the iron core pull rod 2 of electromagnet 1 pushes moving contact rack 5
When being rotated up, the baffle 9 of 2 end of iron core pull rod is to withstand 8 upper surface of card slot at this time；When the iron core pull rod 2 of electromagnet 1 pulls
When moving contact rack 5 rotates down, the baffle 9 of 2 end of iron core pull rod is to be close to 8 lower surface of card slot at this time.
Scheme two: such as Fig. 3,2 link position of iron core pull rod of moving contact rack 5 and electromagnet 1 is equipped with connecting plate, connecting plate
It is connect with 2 end of iron core pull rod of electromagnet 1 by shaft 2 10, the iron core pull rod 2 of electromagnet 1 drives dynamic touching by connecting plate
Head bracket 5 rotates upwardly and downwardly.
On the basis of two schemes, need can choose 5 one end of moving contact rack equipped with 1 according to the specific installation of switch
A moving contact 6 is equipped with 1 static contact 7 (as shown in Figure 4) with the mutual corresponding position of moving contact 6；Or moving contact rack 5 one
End is equipped with 3 moving contacts 5, sets 3 static contacts 7 (as shown in Figure 5) etc. with the mutual corresponding position of moving contact 5.
Electromagnet 1 is permanent-magnet electromagnet, is push-pull structure.
On the basis of the above, there are two types of different structures for electromagnet tool；
Electromagnet structure one: such as Fig. 1, electromagnet 1 includes outer housing, is equipped with coil rack 12, coil bone 12 in outer housing
Frame axial direction middle position is equipped with middle cavity 15, and permanent magnet 13, the intermediate sky of 13 top of permanent magnet are equipped with below middle cavity 15
Iron core pull rod 2 is equipped in chamber 15, iron core pull rod 2 is soft magnet core, and 12 periphery of coil rack is wound with coil 11.Coil 11 is logical straight
Galvanic electricity, when actuation, coil 11 leads to forward voltage, and iron core pull rod 2 moves downward, and moving contact 6 and static contact 7 are attracted, and breaks after actuation
Electricity maintains state by permanent magnet 13；When disconnection, coil 11 leads to backward voltage, and iron core pull rod 2 moves upwards, moving contact 6 and stationary contact
First 7 disconnect, and coil 11 powers off.
Electromagnet structure two: such as Fig. 9, electromagnet 1 includes outer housing, is equipped with coil rack 12, coil bone 12 in outer housing
Frame axial direction middle position is equipped with middle cavity 15, and setting has the annular permanent magnet 13 of central through hole, ring in the middle part of middle cavity 15
Shape permanent magnet 13 is equipped with central through hole 16, is equipped with iron core pull rod 2 in middle cavity 15,12 periphery of coil rack is wound with coil
11.Coil 11 leads to direct current, and when actuation, coil 11 leads to forward voltage, and iron core pull rod 2 is moved downward across annular permanent magnet 13
Central through hole 16, moving contact 6 and static contact 7 are attracted, and are powered off after actuation, maintain state by permanent magnet 13；When disconnection, coil is logical anti-
To voltage, iron core pull rod 2 is moved upwards, and disconnects moving contact 6 and static contact 7, coil blackout.What iron core pull rod 2 moved up and down
It is not collided in the process with permanent magnet 13, is conducive to that iron core pull rod 2 and permanent magnet 13 are damaged and are preferably minimized.
Moving contact rack 5, switch main casing and switch main casing body support frame 3 are insulator, the electrical connection switch of static contact 7
Input terminal, output end of the corresponding moving contact 6 by the electrical connection switch of flexible wire 14, the output end connection power network line of switch
Load side, flexible wire 14 can be brush wire, and flexible wire 14 make moving contact rack 5 around shaft 1 rotate
When damping it is smaller.After the logical positive electricity of 1 coil 11 of electromagnet, the movement of 1 iron core pull rod 2 of electromagnet, and iron core pull rod 2 drives dynamic touching
Head bracket 5 is rotated around shaft 1, and the rotation of moving contact rack 5 is to drive the static contact 7 of the position corresponding thereto of moving contact 6
Closure, coil 11 power off, and the closed state of moving contact 6 and static contact 7 is then maintained by the permanent magnet 13 in electromagnet 1.Dynamic touching
First 6 close a floodgate with static contact 7 during no longer by the collective effect of multiple springs, therefore when closing the switch, spring is reduced, spring
Time shortens, and electric arc caused by bouncing when considerably reducing combined floodgate extends the electrical endurance of switch.Iron core pull rod 2 acts on
In the medium position of moving contact rack 5, shaft is set to the frame mode of 5 other end of moving contact rack, makees compared to iron core pull rod 2
For the other end of moving contact rack 5, shaft is set to for the frame mode of the medium position of moving contact rack 5, closing time
It is shorter.And this mechanism by two pairs of original Zhi Yun mechanism dynamic and static contacts 7 completes phases energization, and to be changed to a pair of dynamic and static contact 7 complete
Cheng Yixiang is powered, and has saved cost.
Phase-change switch described in the utility model turns moving contact and static contact containing 1 as shown in fig. 6, including three
The input terminal of fortune formula electromagnetic switch mechanism, three transhipment formula electromagnetic switch mechanisms respectively corresponds A phase input terminal, the B of power network line
Phase input terminal and C phase input terminal, three corresponding output ends of transhipment formula electromagnetic switch mechanism are respectively that a phase output terminal, b phase export
End and c phase output terminal, and a phase output terminal, b phase output terminal and c phase output terminal are connected together as phase L.Transhipment formula electromagnetism
The moving contact of switching mechanism is as output end, and corresponding static contact is as input terminal.When certain running phase electricity needs to cut
When changing, first the moving contact of the corresponding transhipment formula electromagnetic switch mechanism and static contact are disconnected, while will need to run line
The moving contact and static contact of the corresponding transhipment formula electromagnetic switch mechanism in road are attracted, since the moving contact and static contact of mechanism are attracted
It is very fast with opening velocity, therefore user power utilization is not impacted in commutation process.
Threephase switch described in the utility model, as shown in fig. 7, comprises one turns moving contact and static contact containing 3
Fortune formula electromagnetic switch mechanism, this transhipment formula electromagnetic switch mechanism three input terminals respectively correspond power network line A phase input terminal,
B phase input terminal and C phase input terminal, corresponding three output ends are respectively a phase output terminal, b phase output terminal and c phase output terminal.
A phase input terminal, B phase input terminal and C phase input terminal are separately connected the source side of power network line, a1Phase output terminal, b1Phase output terminal and
c1Phase output terminal is separately connected the load side of power network line.Every a pair of of the moving contact and static contact point of 3 pairs of moving contacts and static contact
Not Wei threephase switch an output end and input terminal, 3 to moving contact and quiet when magnet spool is logical positive electric or reversed electricity
Contact is attracted or disconnects simultaneously.
Switching system described in the utility model using above-mentioned threephase switch, as shown in figure 8, including that two three-phases are opened
It closes, three input terminals of a threephase switch respectively correspond the A of power network line one1Phase input terminal, B1Phase input terminal and C1Mutually input
End, corresponding three output ends are respectively a1Phase output terminal, b1Phase output terminal and c1Phase output terminal, another threephase switch
Three input terminals respectively correspond the A of power network line two2Phase input terminal, B2Phase input terminal and C2Phase input terminal, corresponding three defeated
Outlet is respectively a2Phase output terminal, b2Phase output terminal and c2Phase output terminal, a1Phase output terminal and a2Phase output terminal is a phase after being connected
Output end, b1Phase output terminal and b2Phase output terminal is b phase output terminal, c after being connected1Phase output terminal and c2Phase input terminal is connected
It is afterwards c phase output terminal.A1Phase input terminal, B1Phase input terminal and C1Phase input terminal is separately connected the source side of power network line one, A2Phase
Input terminal, B2Phase input terminal and C2Phase input terminal is separately connected the source side of power network line two, a phase output terminal, b phase output terminal and c
Phase output terminal is separately connected the load side of power network line.Two threephase switches are respectively correspondingly connected with a power network line, Ke Yicheng
For dual-power transfer switch.
Claims (10)
1. a kind of transhipment formula electromagnetic switch mechanism, it is characterised in that: including moving contact rack (5), moving contact rack (5) one end is set
There are moving contact (6), is equipped with static contact (7) with moving contact (6) mutual corresponding position, static contact (7) is fixed with switch main casing
The other end of connection, moving contact rack (5) passes through shaft one (4) and switch main casing body support frame (3) rotation connection, moving contact rack
(5) it is connect by the iron core pull rod (2) of electromagnet (1) with electromagnet (1) between both ends, moving contact rack (5) and iron core are drawn
To be flexibly connected between bar (2), electromagnet (1) is fixed with switch main casing.
2. transhipment formula electromagnetic switch mechanism according to claim 1, it is characterised in that: moving contact rack (5) and electromagnet
(1) iron core pull rod (2) link position is equipped with card slot (8), and card has iron core pull rod (2) end of electromagnet (1) in card slot (8)
Baffle (9).
3. transhipment formula electromagnetic switch mechanism according to claim 1, it is characterised in that: moving contact rack (5) and electromagnet
(1) iron core pull rod (2) link position is equipped with connecting plate, and connecting plate and iron core pull rod (2) end of electromagnet (1) pass through shaft
Two (10) connection.
4. transhipment formula electromagnetic switch mechanism according to claim 1 or 2 or 3, it is characterised in that: moving contact rack (5) one
End is equipped with 1 moving contact (6), is equipped with 1 static contact (7) with moving contact (6) mutual corresponding position.
5. transhipment formula electromagnetic switch mechanism according to claim 1 or 2 or 3, it is characterised in that: moving contact rack (5) one
End is equipped with 3 moving contacts (6), sets 3 static contacts (7) with moving contact (6) mutual corresponding position.
6. transhipment formula electromagnetic switch mechanism according to claim 1, it is characterised in that: electromagnet (1) includes outer housing, outside
Coil rack (12) are equipped in shell, coil rack (12) axial direction middle position is equipped with middle cavity (15), middle cavity (15)
Lower section is equipped with permanent magnet (13), is equipped with iron core pull rod (2) in the middle cavity (15) above permanent magnet (13), coil rack (12)
Periphery is wound with coil (11).
7. transhipment formula electromagnetic switch mechanism according to claim 1, it is characterised in that: electromagnet (1) includes outer housing, outside
Coil rack (12) are equipped in shell, coil rack (12) axial direction middle position is equipped with middle cavity (15), middle cavity (15)
Middle part setting has the annular permanent magnet (13) of central through hole (16), is equipped with iron core pull rod (2) in middle cavity (15), coil bone
Frame (12) periphery is wound with coil (11).
8. a kind of phase-change switch using transhipment formula electromagnetic switch mechanism as claimed in claim 4, it is characterised in that: including three
Transhipment formula electromagnetic switch mechanism containing 1 pair of moving contact and static contact, the input terminal difference of three transhipment formula electromagnetic switch mechanisms
A phase input terminal, B phase input terminal and the C phase input terminal of corresponding power network line, three transhipment formula electromagnetic switch mechanisms export accordingly
End is respectively a phase output terminal, b phase output terminal and c phase output terminal, and a phase output terminal, b phase output terminal are connected with c phase output terminal
It is used as phase L together.
9. a kind of threephase switch using the transhipment formula electromagnetic switch mechanism described in claim 5, it is characterised in that: including one
Transhipment formula electromagnetic switch mechanism containing 3 pairs of moving contacts and static contact, three input terminals point of this transhipment formula electromagnetic switch mechanism
The A phase input terminal, B phase input terminal and C phase input terminal of power network line are not corresponded to, and corresponding three output ends are respectively that a phase is defeated
Outlet, b phase output terminal and c phase output terminal.
10. a kind of switching system using threephase switch as claimed in claim 9, it is characterised in that: including two threephase switches,
Three input terminals of one threephase switch respectively correspond the A of power network line one1Phase input terminal, B1Phase input terminal and C1Phase input terminal,
Corresponding three output ends are respectively a1Phase output terminal, b1Phase output terminal and c1Phase output terminal, three of another threephase switch
Input terminal respectively corresponds the A of power network line two2Phase input terminal, B2Phase input terminal and C2Phase input terminal, corresponding three output ends
Respectively a2Phase output terminal, b2Phase output terminal and c2Phase output terminal, a1Phase output terminal and a2Phase output terminal exports after being connected for a phase
End, b1Phase output terminal and b2Phase output terminal is b phase output terminal, c after being connected1Phase output terminal and c2Phase input terminal is c after being connected
Phase output terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821628647.9U CN208938836U (en) | 2018-09-30 | 2018-09-30 | Transhipment formula electromagnetic switch mechanism and its phase-change switch, threephase switch and switching system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821628647.9U CN208938836U (en) | 2018-09-30 | 2018-09-30 | Transhipment formula electromagnetic switch mechanism and its phase-change switch, threephase switch and switching system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208938836U true CN208938836U (en) | 2019-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821628647.9U Expired - Fee Related CN208938836U (en) | 2018-09-30 | 2018-09-30 | Transhipment formula electromagnetic switch mechanism and its phase-change switch, threephase switch and switching system |
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| Country | Link |
|---|---|
| CN (1) | CN208938836U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109148177A (en) * | 2018-09-30 | 2019-01-04 | 浙江中乾电气有限公司 | Transhipment formula electromagnetic switch mechanism |
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2018
- 2018-09-30 CN CN201821628647.9U patent/CN208938836U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109148177A (en) * | 2018-09-30 | 2019-01-04 | 浙江中乾电气有限公司 | Transhipment formula electromagnetic switch mechanism |
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Granted publication date: 20190604 Termination date: 20210930 |