CN209374336U - The driving vacuum switch of bipolar driving rotary permanent-magnet - Google Patents
The driving vacuum switch of bipolar driving rotary permanent-magnet Download PDFInfo
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- CN209374336U CN209374336U CN201920384028.8U CN201920384028U CN209374336U CN 209374336 U CN209374336 U CN 209374336U CN 201920384028 U CN201920384028 U CN 201920384028U CN 209374336 U CN209374336 U CN 209374336U
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- 238000009434 installation Methods 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 230000005389 magnetism Effects 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005404 monopole Effects 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model discloses a kind of driving vacuum switches of bipolar driving rotary permanent-magnet, including sliding axle, connector in switch housing body, operation handle, transmission device, active permanent magnet, vacuum warehouse, passive permanent magnet, movable contact, stationary contact, connecting terminal, storehouse, transmission device includes connecting rod and active permanent magnet installation part, operation handle drives active permanent magnet to slide on sliding axle outside storehouse by transmission device, passive permanent magnet, movable contact, stationary contact are placed in vacuum warehouse, passive permanent magnet is connect with movable contact, and stationary contact is connect with connecting terminal.The utility model can reduce the volume of vacuum warehouse and entire vacuum switch, save the cost by sliding axle and connector in setting storehouse as far as possible；The distance between movable contact and stationary contact can be smaller, are conducive to complete reliable open and close control；The transmission device constituted using connecting rod and active permanent magnet installation part, drive mechanism are simple, reliable for operation.
Description
Technical field
The utility model relates to a kind of vacuum switches for being mainly used for the fields such as electrical equipment, Electric control, more particularly to
A kind of driving vacuum switch of bipolar driving rotary permanent-magnet.
Background technique
Vacuum switch is a kind of switch being placed in make break contact in the vacuum lumen of vacuum warehouse, also referred to as vacuum contactor
Or vacuum circuit breaker, compared to antivacuum switch there is automatic arc-suppression function will not generate electric arc because not having air in vacuum.
Traditional vacuum switch, there are mainly two types of the closures and separation control of contact, and one is control by mechanical-force-transmission
Movable contact movement, another kind are by magnetic transmission control movable contact movement；The former due to necessarily have transmission mechanism pass through vacuum warehouse,
And transmission mechanism can move, so easilying lead to poorly sealed, air is easily accessible vacuum warehouse, causes to lose vacuum extinction
Function, and there are also drive mechanisms it is complicated, volume is larger the defects of, such as Patent No. " ZL 201520801050.X ", title
A kind of utility model patent for " monopole vacuum switch " there is the above problem；The latter passes through very due to not needing transmission mechanism
Hole capital after selling all securities, so the above problem is not present.It therefore, is device more advanced at present using the vacuum switch of magnetic control open and close.
But the existing vacuum switch using magnetic control open and close, there are magnetic pole distributions not to concentrate, volume is big, magnetic force is small
The problems such as, it is unfavorable for the miniaturization of vacuum switch, the reliability of switch control is insufficient, keeps its application limited.
Such as the utility model patent of Patent No. " ZL 200710141473.3 ", disclose a kind of the true of permanent magnetism control
Dumb contact switch, including shell, stationary contact, movable contact, moving contact support, moving contact support sliding block, moving contact support sliding block
Slideway, vacuum-pumping tube, capping, the magnet on the left of moving contact support, left side move the magnet on magnetic receiver, and left side moves magnetic
Iron seat, the magnet on the right side of moving contact support, right side move the magnet on magnetic receiver, and right side moves magnetic receiver.The vacuum is opened
The magnetic pole of pass is respectively provided at vacuum tube both ends, cannot concentrate in together, and causes loosely organized, and volume is larger, and uses magnet
Need larger, the too small magnetic force of magnet is inadequate, be easy to cause contact force insufficient, makes heating of contact, additionally, due to vacuum casting
It influences, makes the reduced capability of magnetic attraction and disjunction, disjunction stroke in contact reduces, and also reduces the reliability of switch control.
In addition, there is also drive mechanism either complexity or insecure problems for traditional vacuum switch, increase its volume
Or operation is unreliable, affects the operating characteristics of vacuum switch.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of structure and concentrate, small volume and open
It closes and controls the reliable driving vacuum switch of bipolar driving rotary permanent-magnet.
The utility model achieves the above object through the following technical schemes:
A kind of driving vacuum switch of bipolar driving rotary permanent-magnet, including switch housing body, operation handle, transmission dress
It sets, active permanent magnet, vacuum warehouse, passive permanent magnet, movable contact, stationary contact and connecting terminal, outside the switch housing
The operation handle is mounted on the switch housing body and is connect by the transmission device with the active permanent magnet, described
Active permanent magnet and the vacuum warehouse are placed in the switch housing body, the passive permanent magnet, the movable contact and described quiet
Contact is placed in the vacuum warehouse, and the passive permanent magnet is connect with the movable contact, the stationary contact and the connecting terminal
Inner end connection, it is external that the outer end of the connecting terminal is placed in the switch housing；The permanent magnetic drive type vacuum switch also wraps
Sliding axle and connector in storehouse are included, sliding axle is fixedly installed in the vacuum warehouse in the storehouse, and the passive permanent magnet passes through
The connector is fixedly connected with the movable contact, and the passive permanent magnet and the connector are equipped with central through hole and pass through
The central through hole is set in the storehouse on sliding axle, and the passive permanent magnet and the connector can slide up and down and not
Can rotation, one or more movable contacts and the one-to-one stationary contact are respectively arranged on the outer of sliding axle in the storehouse
Week, the spacing between the movable contact and the corresponding stationary contact are 1-5cm and under conditions of meeting sufficiently to disconnect
Small as far as possible, one section of size corresponding with the passive permanent magnet, which is less than other parts size and defines the section, in the vacuum warehouse is
Vacuum warehouse path section；The transmission device includes connecting rod and active permanent magnet installation part, and the connecting rod passes through the switch housing
The first end of through-hole and its both ends respectively with the middle part of the operation handle and the active permanent magnet installation part on body is fixed
Connection, the active permanent magnet are fixedly installed in the second end of the active permanent magnet installation part, the pole S of the passive permanent magnet
The symmetrical two sides of sliding axle in the storehouse are located at the pole N, the active permanent magnet is located at the outer of the vacuum warehouse path section
End outside, the pole S and the pole N of the active permanent magnet or the pole N and the pole S are extremely corresponding with the pole S of the passive permanent magnet and N respectively.
In above structure, sliding axle is smoothly slided convenient for active permanent magnet to drive movable contact mobile in storehouse, realize with it is quiet
On the one hand the contact and disconnection of contact, connector connect realization transmission with movable contact, on the other hand convenient for one or more is dynamic
Contact is mounted on connector, and convenient for installation corresponding with corresponding stationary contact, can be use up under the premise of realizing corresponding function
Amount saves the space in vacuum warehouse, reduces the volume of vacuum warehouse and entire vacuum switch；Meanwhile between movable contact and stationary contact
Distance can be smaller, and movable contact moving distance is smaller, and magnetic force can not have to too big i.e. between active permanent magnet and passive permanent magnet
Achievable reliable open and close control；Passive permanent magnet and the not revolvable structure of connector, which pass through routine techniques, to be realized easily,
For example raised line or groove are set on the central through hole wall of passive permanent magnet and connector, it is arranged on the outer wall of sliding axle in storehouse
Corresponding groove or raised line, the two cooperation can be realized, alternatively, on the outer wall of passive permanent magnet and connector be arranged raised line or
Groove, is arranged corresponding groove or raised line on the inner wall of vacuum warehouse path section, and the two cooperation can be realized；The shape of connector
Adaptability design is carried out according to actual needs with size, when carrying out single line open and close control, connector makes of conductor,
Design two movable contacts and two stationary contacts, electrical communication between two movable contacts, when movable contact and stationary contact connect,
Two stationary contact connections, are equivalent to vacuum switch and are in closed state, otherwise be in an off state；If controlling a plurality of electric wire
Open and close, then connector is made of non-conductor, and also external connecting terminal, every a pair of movable contact and stationary contact are right respectively for movable contact
The open and close an of electric wire are answered to control；Connecting rod can be driven to rotate by operation handle, connecting rod passes through active permanent magnet installation part band
Dynamic active permanent magnet is rotated, and active permanent magnet drives or push passive permanent magnet straight line to transport by suction or repulsion
It is dynamic, the final contact connectio and disconnection realized between movable contact and stationary contact.
Further, in order to the contact connectio between movable contact and stationary contact and disconnect both states carry out effective position
And operator can perceive, be equipped in the switch housing body locating piece and the locating piece be equipped with it is open at one end interior
Chamber, locating rod, which is placed in the interior intracavitary of the locating piece and is equipped with, can make the locating rod have answering far from the locating piece
The spring of position elastic force, the outer end of the locating rod is the arc surface to smoothly transit, and the periphery of the active permanent magnet installation part is set
There are two positioning groove, the outer end of the locating rod can be respectively placed in two positioning grooves, the active permanent magnet
Being located at the part between two grooves on the neighboring of installation part is arc edge, the setting of two positioning grooves
Meet following condition: when the outer end of the locating rod is placed in one in the positioning groove, the S of the active permanent magnet
Pole and the pole N are extremely corresponding with the pole N of the passive permanent magnet and S respectively and drive the passive permanent magnet far from described by suction
The stationary contact in vacuum warehouse makes to be in an off state between the movable contact and the stationary contact, when outside the locating rod
End is when being placed in another described positioning groove, the pole S and the pole N of the active permanent magnet S with the passive permanent magnet respectively
Pole and N are extremely corresponded to and are pushed the stationary contact of the passive permanent magnet in the vacuum warehouse to make the dynamic touching by repulsion
Contact connectio state is between point and the stationary contact.
Further, in order to which the movement to active permanent magnet installation part carries out accurate limiting, the vacuum warehouse path section it is outer
End is fixedly connected with the first end of rotary shaft, sliding axle coaxial inner conductor in the rotary shaft and the storehouse, the active permanent magnet
Installation part is equipped with inner cavity, and the second end of the rotary shaft passes through the through-hole of the second end cavity wall of the active permanent magnet installation part simultaneously
It is placed in interior intracavitary, the second end of the rotary shaft is equipped with for preventing the active permanent magnet installation part from being detached from the rotary shaft
Baffle.
The utility model has the beneficial effects that:
By sliding axle and connector in setting storehouse movable contact and stationary contact can be arranged in smaller space in the utility model
Point, while smoothly sliding convenient for active permanent magnet to drive movable contact mobile, realize contact and disconnection with stationary contact, Ke Yi
The space to practice every conceivable frugality in vacuum warehouse under the premise of realizing corresponding function reduces the volume of vacuum warehouse and entire vacuum switch, knot
Structure is simple, save the cost and convenient for using in narrow space；The distance between movable contact and stationary contact can be smaller, and movable contact moves
Dynamic distance is smaller, and magnetic force can not have to that reliable open and close control can be completed very much greatly between active permanent magnet and passive permanent magnet, and
And install active permanent magnet and passive permanent magnet concentratedly, interaction force enhancing, it is also beneficial to complete reliable open and close control；
The transmission device constituted using connecting rod and active permanent magnet installation part, transmission parts do not pass through vacuum warehouse, drive mechanism is simple,
Reliable for operation, conducive to the excellent seal for improving vacuum warehouse, vacuum extinction effect is more preferable, can effectively extend vacuum switch
Service life increases the electrical security reliability of equipment；Since active permanent magnet drives passive permanent magnetism by the way of rotation
The mobile and passive permanent magnet of body needs to generate driving force between two magnetic poles (i.e. the pole N and the pole S) and active permanent magnet, so this
Utility model name definition is the driving vacuum switch of bipolar driving rotary permanent-magnet；Vacuum switch described in the utility model is applicable in
In power of alterating and direct current control field.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the driving vacuum switch of bipolar driving rotary permanent-magnet described in the utility model,
Internal structure is shown in figure.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
As shown in Figure 1, the driving vacuum switch of bipolar driving rotary permanent-magnet described in the utility model includes switch housing
Body 4, operation handle 13, transmission device, active permanent magnet, vacuum warehouse 8, passive permanent magnet, movable contact, stationary contact, connecting terminal,
Sliding axle 22 and connector 23 in storehouse, the utility model is with two movable contacts i.e. the first movable contact 9 and the second movable contact 24, two
Stationary contact i.e. the first stationary contact 11 and the second stationary contact 25, two piece-root grafting line terminals i.e. the first connecting terminal 12 and the second connecting terminal
26 and connector 23 using conductor production for, the operation handle 13 positioned at outside switch housing 4 is mounted on switch housing body 4 simultaneously
It is connect by the transmission device with the active permanent magnet, the active permanent magnet and vacuum warehouse 8 are placed in switch housing body 4
Interior, the passive permanent magnet, the first movable contact 9, the second movable contact 24, the first stationary contact 11 and the second stationary contact 25 are placed in vacuum
In the inner cavity 10 in storehouse 8, sliding axle 22 is fixedly installed in the inner cavity 10 of vacuum warehouse 8 in storehouse, and the passive permanent magnet passes through connection
Part 23 is fixedly connected with the first movable contact 9 and the second movable contact 24, and the first stationary contact 11 and the second stationary contact 25 are respectively with first
Connecting terminal 12 is connected with the inner end of the second connecting terminal 26, and the outer end of the first connecting terminal 12 and the second connecting terminal 26 is placed in
Outside switch housing body 4；The passive permanent magnet and connector 23 are equipped with central through hole and are set in storehouse by the central through hole
On interior sliding axle 22, the passive permanent magnet and connector 23 can be slided up and down and cannot be rotated, the first movable contact 9 and
Two movable contacts 24 and one-to-one first stationary contact 11 and the second stationary contact 25 are respectively arranged on the periphery of sliding axle 22 in storehouse, the
Spacing between one movable contact 9 and the second movable contact 24 and one-to-one first stationary contact 11 and the second stationary contact 25 is 1-
5cm and small as far as possible under conditions of meeting sufficiently to disconnect, one section of size corresponding with the passive permanent magnet in vacuum warehouse 8
Less than other parts size and the section is defined as vacuum warehouse path section, can be saved as far as possible under the premise of meeting function and needing in this way
Save space, while being convenient for the installation and movement of active permanent magnet；The transmission device includes connecting rod 35 and the installation of active permanent magnet
Part 36, connecting rod 35 pass through switch housing body 4 on through-hole and its both ends respectively with the middle part of operation handle 13 and active permanent magnet
The first end of installation part 36 is fixedly connected, and the active permanent magnet is fixedly installed in the second end of active permanent magnet installation part 36,
The pole S 34 and the pole N 40 of the passive permanent magnet are located at the symmetrical two sides of sliding axle 22 in storehouse, and the active permanent magnet is located at
On the outside of the outer end of the vacuum warehouse path section, the pole S 39 of the active permanent magnet and the pole N 33(or the pole N 33 and the pole S 39) respectively with
The pole S 34 of the passive permanent magnet and the pole N 40 are corresponding；The outer end of the vacuum warehouse path section and the first end of rotary shaft 32 are fixed
Connection, 22 coaxial inner conductor of sliding axle in rotary shaft 32 and storehouse, active permanent magnet installation part 36 are equipped with inner cavity 37, and the of rotary shaft 32
The through-hole that two ends pass through the second end cavity wall of active permanent magnet installation part 36 is placed in inner cavity 37, and the second end of rotary shaft 32 is set
There is the baffle 38 for preventing active permanent magnet installation part 36 from being detached from rotary shaft 32；Locating piece 16 is installed in switch housing body 4
And locating piece 16 is equipped with inner cavity open at one end, locating rod 15, which is placed in the interior intracavitary of locating piece 16 and is equipped with, can make locating rod
15 springs 17 with remotely located piece 16 of reseting elasticity, the outer end of locating rod 15 is the arc surface to smoothly transit, actively forever
The periphery of magnet installation part 36 is set there are two positioning groove 2, and the outer end of locating rod 15 can be respectively placed in two positioning grooves 2
Interior, it is that arc edge is (main in figure that the part between two positioning grooves 2 is located on the neighboring of active permanent magnet installation part 36
The periphery of dynamic permanent magnet installation part 36 is circle, and two positioning grooves 2 are symmetrical), the setting of two positioning grooves 2 meets following item
Part: when the outer end of locating rod 15 is placed in one in a positioning groove 2, the pole S 39 of the active permanent magnet and the pole N 33 are distinguished
It is corresponding with the pole N 40 of the passive permanent magnet and the pole S 34 and drive the passive permanent magnet far from vacuum warehouse 8 by suction
First stationary contact 11 and the second stationary contact 25 make between the first movable contact 9 and the first stationary contact 11, the second movable contact 24 and second
It is in an off state between stationary contact 25, when the outer end of locating rod 15 is placed in another positioning groove 2, the active permanent magnetism
The pole S 39 and the pole N 33 of body it is corresponding with the pole S 34 of the passive permanent magnet and the pole N 40 respectively and pushed by repulsion it is described passive
First stationary contact 11 and second stationary contact 25 of the permanent magnet in vacuum warehouse 8, make the first movable contact 9 and the first stationary contact 11 it
Between, contact connectio state is between the second movable contact 24 and the second stationary contact 25.
As shown in Figure 1, in use, by the first connecting terminal 12 and the second connecting terminal 26 be connected in series in one it is to be controlled
On the route of open and close, state shown in fig. 1 is off-state, and the outer end of locating rod 15 is placed in one a positioning groove 2 at this time
It is interior, realize positioning function；If it is desired that vacuum switch is in closed state, then by the counter clockwise direction or clockwise direction in figure
180 ° of rotation process handle 13 and rotation, spring 17 is compressed at this time and the outer end of locating rod 15 is pushed in locating piece 16
Chamber, in the process, operation handle 13 drive active permanent magnet installation part 36 to rotate by connecting rod 35, active permanent magnet installation part
36 drive the pole S 39 of the active permanent magnet and the pole N 33 to rotate, until the outer end of locating rod 15 is placed in another positioning groove 2
After interior realization positioning, the pole S 39 and the pole N 33 of the active permanent magnet are right with the pole S 34 of the passive permanent magnet and the pole N 40 respectively
Should and first stationary contact 11 and second stationary contact 25 of the passive permanent magnet in vacuum warehouse 8 be pushed by repulsion, makes
Between one movable contact 9 and the first stationary contact 11, contact connectio state is between the second movable contact 24 and the second stationary contact 25, it is complete
At the closed procedure of vacuum switch；If be again off, again counterclockwise or rotate clockwise operation handle 13 and rotate
180 °.
Above-described embodiment is the preferred embodiment of the utility model, is not the limit to technical solutions of the utility model
System, as long as being regarded as falling into without the technical solution that creative work can be realized on the basis of the above embodiments
In the rights protection scope of the utility model patent.
Claims (3)
1. a kind of driving vacuum switch of bipolar driving rotary permanent-magnet, including switch housing body, operation handle, transmission device,
Active permanent magnet, vacuum warehouse, passive permanent magnet, movable contact, stationary contact and connecting terminal, outside the switch housing described in
Operation handle is mounted on the switch housing body and is connect by the transmission device with the active permanent magnet, the active
Permanent magnet and the vacuum warehouse are placed in the switch housing body, the passive permanent magnet, the movable contact and the stationary contact
It is placed in the vacuum warehouse, the passive permanent magnet is connect with the movable contact, and the stationary contact is interior with the connecting terminal
End connection, it is external that the outer end of the connecting terminal is placed in the switch housing；It is characterized by: the permanent magnetic drive type vacuum is opened
Pass further includes sliding axle and connector in storehouse, and sliding axle is fixedly installed in the vacuum warehouse in the storehouse, the passive permanent magnetism
Body is fixedly connected by the connector with the movable contact, and the passive permanent magnet and the connector are equipped with central through hole
And be set in the storehouse on sliding axle by the central through hole, the passive permanent magnet and the connector can go up downslide
It moves and cannot rotate, one or more movable contacts and the one-to-one stationary contact are respectively arranged on sliding axle in the storehouse
Periphery, spacing between the movable contact and the corresponding stationary contact is 1-5cm and the item that can sufficiently disconnect in satisfaction
Small as far as possible under part, corresponding with the passive permanent magnet in the vacuum warehouse one section of size is less than other parts size and definition is somebody's turn to do
Section is vacuum warehouse path section；The transmission device includes connecting rod and active permanent magnet installation part, and the connecting rod passes through the switch
Through-hole and its both ends on the outer housing first end with the middle part of the operation handle and the active permanent magnet installation part respectively
It is fixedly connected, the active permanent magnet is fixedly installed in the second end of the active permanent magnet installation part, the passive permanent magnet
The pole S and the pole N be located at the symmetrical two sides of sliding axle in the storehouse, the active permanent magnet is located at the vacuum warehouse path section
Outer end on the outside of, the pole S and the pole N of the active permanent magnet or the pole N and the pole S are extremely right with the pole S of the passive permanent magnet and N respectively
It answers.
2. the driving vacuum switch of bipolar driving rotary permanent-magnet according to claim 1, it is characterised in that: the switch
Locating piece is installed in outer housing and the locating piece is equipped with inner cavity open at one end, locating rod is placed in the inner cavity of the locating piece
Spring that is interior and being equipped with the reseting elasticity that can make the locating rod that there is the separate locating piece, the outer end of the locating rod
For the arc surface to smoothly transit, the periphery of the active permanent magnet installation part is set there are two positioning groove, the locating rod it is outer
End can be respectively placed in two positioning grooves, be located at described in two on the neighboring of the active permanent magnet installation part
Part between groove is arc edge, and the setting of two positioning grooves meets following condition: when outside the locating rod
End is when being placed in one in the positioning groove, the pole S and the pole N of the active permanent magnet respectively with the passive permanent magnet
The pole N and S are extremely corresponded to and are driven the passive permanent magnet to make described move far from the stationary contact in the vacuum warehouse by suction
It is in an off state between contact and the stationary contact, when the outer end of the locating rod is placed in another described positioning groove
When, the pole S and the pole N of the active permanent magnet are extremely corresponding with the pole S of the passive permanent magnet and N respectively and push institute by repulsion
Stating the stationary contact of the passive permanent magnet in the vacuum warehouse makes between the movable contact and the stationary contact in contacting
Connection status.
3. the driving vacuum switch of bipolar driving rotary permanent-magnet according to claim 1 or 2, it is characterised in that: described
The outer end of vacuum warehouse path section is fixedly connected with the first end of rotary shaft, and the rotary shaft and sliding axle in the storehouse are concentric
Line, the active permanent magnet installation part are equipped with inner cavity, and the second end of the rotary shaft passes through the active permanent magnet installation part
The through-hole of second end cavity wall is placed in interior intracavitary, and the second end of the rotary shaft is equipped with for preventing the active permanent magnet from installing
Part is detached from the baffle of the rotary shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920384028.8U CN209374336U (en) | 2019-03-25 | 2019-03-25 | The driving vacuum switch of bipolar driving rotary permanent-magnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920384028.8U CN209374336U (en) | 2019-03-25 | 2019-03-25 | The driving vacuum switch of bipolar driving rotary permanent-magnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209374336U true CN209374336U (en) | 2019-09-10 |
Family
ID=67824315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920384028.8U Expired - Fee Related CN209374336U (en) | 2019-03-25 | 2019-03-25 | The driving vacuum switch of bipolar driving rotary permanent-magnet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209374336U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109920695A (en) * | 2019-03-25 | 2019-06-21 | 四川艾贝斯科技发展有限公司 | Permanent magnetic drive type vacuum switch |
| CN111554541A (en) * | 2020-06-29 | 2020-08-18 | 广东电网有限责任公司东莞供电局 | Vacuum circuit breaker |
-
2019
- 2019-03-25 CN CN201920384028.8U patent/CN209374336U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109920695A (en) * | 2019-03-25 | 2019-06-21 | 四川艾贝斯科技发展有限公司 | Permanent magnetic drive type vacuum switch |
| CN111554541A (en) * | 2020-06-29 | 2020-08-18 | 广东电网有限责任公司东莞供电局 | Vacuum circuit breaker |
| CN111554541B (en) * | 2020-06-29 | 2022-05-27 | 广东电网有限责任公司东莞供电局 | Vacuum circuit breaker |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190910 |