CN108206105A - A kind of power supply maker - Google Patents
A kind of power supply maker Download PDFInfo
- Publication number
- CN108206105A CN108206105A CN201711488626.1A CN201711488626A CN108206105A CN 108206105 A CN108206105 A CN 108206105A CN 201711488626 A CN201711488626 A CN 201711488626A CN 108206105 A CN108206105 A CN 108206105A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- bar
- sliding block
- spring
- power supply
- 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
- 239000002184 metal Substances 0.000 claims description 18
- 230000002459 sustained effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 8
- 230000005611 electricity Effects 0.000 description 3
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
Abstract
The present invention relates to a kind of makers, in particular it is a kind of power supply maker, including frame portions, rotation changeover module and connect component, connection component in device is equivalent to the switch in circuit, device can make be connected a circuit power with a connection component at the same time, it solves the switch in two circuits easily to obscure, power supply connects the problem of wrong so as to caused by；And device can also be switched to the form for being also turned on two circuits.The frame portions include bottom plate, rotation seat bar, montant, perpendicular rail bar and riser, the left end of bottom plate is fixedly connected with rotation seat bar, the centre position of bottom plate is fixedly connected there are two montant, there are gaps between two montants, the right end of bottom plate is fixedly connected with riser, the right end of bottom plate is fixedly connected there are two perpendicular rail bar, and riser is located between montant and perpendicular rail bar.
Description
Technical field
The present invention relates to a kind of makers, are in particular a kind of power supply makers.
Background technology
The word explanation of switch is opens and closes.It also refers to that one can make open circuit, make current interruptions or make
It flows to the electronic component of other circuits.It is most common switch be allow people operate electromechanical equipment, wherein there are one or several electricity
Sub- contact.The " closed " of contact represents electronic contact conducting, and electric current is allowed to flow through；" open circuit " of switch represents that electronic contact is not led
It is logical to form open circuit, electric current is not allowed to flow through.It is certain there are two circuits and two switch in the case of, people are easily to two
Switch in circuit is easily obscured, and power supply is caused to connect the problem of wrong, in order to solve this problem, designs a kind of power supply and connects
Device.
Invention content
The present invention provides a kind of power supply maker, and advantage is that the connection component in device is equivalent to opening in circuit
It closes, device can make be connected a circuit power with a connection component at the same time, solve in two circuits
In switch easily obscure, so as to caused by power supply connect mistake the problem of；And device can also be switched to and be also turned on two
The form of circuit.
The present invention relates to a kind of makers, are in particular a kind of power supply makers, including frame portions, rotation switching
Component with connect component, the connection component in device is equivalent to the switch in circuit, and device can make use at the same time
It connects component for one to connect a circuit power, solves the switch in two circuits and easily obscure, the power supply so as to caused by
The problem of connecting mistake；And device can also be switched to the form for being also turned on two circuits.
The frame portions include bottom plate, rotation seat bar, montant, perpendicular rail bar and riser, the left end of bottom plate and are fixedly connected
There is a rotation seat bar, the centre position of bottom plate is fixedly connected there are two montant, and there are gaps, the right end of bottom plate between two montants to consolidate
Surely riser is connected with, the right end of bottom plate is fixedly connected there are two perpendicular rail bar, and riser is located between montant and perpendicular rail bar；
The rotation changeover module include rotating member, sliding block, baffle ring, shaft, L-shaped impeller, L-shaped impeller sliding slot,
Catch bar and trapezoidal raised line, shaft are rotatably connected on the upper end of rotation seat bar, are set in shaft there are two baffle ring, two baffle rings divide
Not Wei Yu rotation seat bar left and right ends, the right end of shaft is fixedly connected on the left end of rotating member, and the interposition of rotating member installs
L-shaped impeller sliding slot is equipped with, L-shaped impeller is slidably connected on L-shaped impeller sliding slot, and the front-end and back-end of rotating member are respectively provided with
There is trapezoidal raised line, sliding block is slidably connected on two trapezoidal raised lines, the upper end of the right side of sliding block is fixedly connected with catch bar；
The connection component includes perpendicular saddle, limiting abutment extending, spring loop bar and L-shaped frame, and connecting component has two groups, two
The one end for connecting component is slidably connected at respectively on two perpendicular rail bars, and L-shaped frame is fixedly connected on perpendicular saddle, and limiting abutment extending is slided
It is connected on perpendicular saddle, the right end for limiting abutment extending is fixedly connected with spring loop bar, and the right end of spring loop bar is slidably connected at L-shaped frame
On, spring II is cased on spring loop bar, spring II is located between limiting abutment extending and L-shaped frame, and the left end of two limiting abutment extendings rides over
The upper end of riser.
The frame portions further include positioning card column, door letter stencil, binding post I and sheet metal I, the one end for positioning card column and set
Be equipped with angle, the other end for positioning card column is provided with card column banking stop, on two montants sliding plug have a positioning card column, two
The angle end positioned in card column is opposite, and card column banking stop is bonded respectively with montant, and door has been connected by screw on two montants
Letter stencil, spring I is welded on door letter stencil, and the other end of spring I is welded in positioning card column.
The rotation changeover module further includes sliding block card slot, hand column and L-shaped impeller card slot, the upper end of the left end of sliding block
Hand column is fixedly connected with, the upper end of sliding block is provided with sliding block card slot.
The connection component further includes pulling-on piece, sheet metal II, spring leaf and binding post II, pulling-on piece and is fixedly connected on spring
The right end of loop bar, sheet metal II are fixedly connected on perpendicular saddle, and spring leaf and binding post II, spring leaf are provided on sheet metal II
Positioned at the top of sheet metal I.
The L-shaped impeller card slot is located at sustained height with positioning card column.
The rotating member is turned to when the sliding block card slot of front end being made to be open facing forward, and the catch bar of front end is located at front end limiting
The left end of abutment extending；Rotating member is turned to when the sliding block card slot of rear end being made to be open backwards, and the catch bar of rear end is located at rear end limiting and takes
The left end of bar.
A kind of power supply maker of the invention has the beneficial effect that：
A kind of power supply maker of the present invention, the connection component in device are equivalent to the switch in circuit, and device can make together
One time can only connect component with one and connect a circuit power, solve the switch in two circuits and easily obscure,
Power supply connects the problem of mistake so as to caused by；And device can also be switched to the form for being also turned on two circuits.
Description of the drawings
The present invention will be further described in detail with specific implementation method below in conjunction with the accompanying drawings.
Fig. 1 is a kind of structure diagram of power supply maker of the present invention；
Fig. 2 is the structure diagram one of frame portions；
Fig. 3 is the structure diagram two of frame portions；
Fig. 4 is the structure diagram one for rotating changeover module；
Fig. 5 is the structure diagram two for rotating changeover module；
Fig. 6 is the structure diagram of rotating member；
Fig. 7 is the structure diagram for connecting component；
Fig. 8 is the structure diagram for positioning card column.
In figure：Frame portions 1；Bottom plate 1-1；Rotation seat bar 1-2；Montant 1-3；Position card column 1-4；Angle 1-4-1；Card column
Banking stop 1-4-2；Door letter stencil 1-5；Perpendicular rail bar 1-6；Riser 1-7；Binding post I1-8；Sheet metal I1-9；Rotate changeover module 2；
Rotating member 2-1；Sliding block 2-2；Sliding block card slot 2-3；Hand column 2-4；Baffle ring 2-5；Shaft 2-6；L-shaped impeller 2-7；L-shaped impeller
Sliding slot 2-8；Catch bar 2-9；Trapezoidal raised line 2-10；L-shaped impeller card slot 2-11；Connect component 3；Perpendicular saddle 3-1；Limit abutment extending
3-2；Spring loop bar 3-3；Pulling-on piece 3-4；L-shaped frame 3-5；Sheet metal II3-6；Spring leaf 3-7；Binding post II3-8.
Specific embodiment
Specific embodiment one：
Illustrate present embodiment with reference to Fig. 1-8, the present invention relates to a kind of makers, are in particular a kind of power supplys
Maker including frame portions 1, rotation changeover module 2 and connects component 3, and the connection component in device is equivalent in circuit
Switch, device can make be connected a circuit power with a connection component at the same time, solve in two electricity
The problem of switch in road is easily obscured, and power supply connects mistake so as to caused by；And device can also be switched to and be also turned on two
The form of a circuit.
The frame portions 1 include bottom plate 1-1, rotation seat bar 1-2, montant 1-3, perpendicular rail bar 1-6 and riser 1-7, bottom
The centre position that the left end of plate 1-1 is fixedly connected with rotation seat bar 1-2, bottom plate 1-1 is fixedly connected there are two montant 1-3, two
There are gaps, the right end of bottom plate 1-1 between montant 1-3 to be fixedly connected with riser 1-7, and the right end of bottom plate 1-1 is fixedly connected with two
A perpendicular rail bar 1-6, riser 1-7 are located between montant 1-3 and perpendicular rail bar 1-6；
The rotation changeover module 2 includes rotating member 2-1, sliding block 2-2, baffle ring 2-5, shaft 2-6, L-shaped impeller 2-
7th, L-shaped impeller sliding slot 2-8, catch bar 2-9 and trapezoidal raised line 2-10, shaft 2-6 are rotatably connected on the upper of rotation seat bar 1-2
It holds, baffle ring 2-5, two baffle ring 2-5 are located at the left and right ends of rotation seat bar 1-2, shaft 2- respectively there are two settings on shaft 2-6
6 right end is fixedly connected on the left end of rotating member 2-1, and the centre position of rotating member 2-1 is provided with L-shaped impeller sliding slot 2-8, L
Shape impeller 2-7 is slidably connected on L-shaped impeller sliding slot 2-8, and the front-end and back-end of rotating member 2-1 are both provided with trapezoidal raised line
Sliding block 2-2 is slidably connected on 2-10, two trapezoidal raised line 2-10, the upper end of the right side of sliding block 2-2, which is fixedly connected with, to push away
Lever 2-9；
The connection component 3 includes perpendicular saddle 3-1, limiting abutment extending 3-2, spring loop bar 3-3 and L-shaped frame 3-5, connection group
Part 3 has two groups, and one end of two connection components 3 is slidably connected at respectively on two perpendicular rail bar 1-6, erects fixed on saddle 3-1 connect
L-shaped frame 3-5 is connected to, limiting abutment extending 3-2 is slidably connected on perpendicular saddle 3-1, and the right end of limiting abutment extending 3-2 is fixedly connected with spring
The right end of loop bar 3-3, spring loop bar 3-3 are slidably connected on L-shaped frame 3-5, and spring II, spring II are cased on spring loop bar 3-3
Between limiting abutment extending 3-2 and L-shaped frame 3-5, the left end of two limiting abutment extending 3-2 rides over the upper end of riser 1-7.
The frame portions 1 further include positioning card column 1-4, door letter stencil 1-5, binding post I1-8 and sheet metal I1-9, fixed
One end of position card column 1-4 is provided with angle 1-4-1, and the other end of positioning card column 1-4 is provided with card column banking stop 1-4-2, two
Equal sliding plug has positioning card column 1-4 on montant 1-3, and two angle 1-4-1 ends positioned on card column 1-4 are opposite, card column limiting
Piece 1-4-2 is bonded respectively with montant 1-3, and a letter stencil 1-5 has been connected by screw on two montant 1-3, has been welded on door letter stencil 1-5
Spring I is connected to, the other end of spring I is welded on positioning card column 1-4.
The rotation changeover module 2 further includes sliding block card slot 2-3, hand column 2-4 and L-shaped impeller card slot 2-11, sliding block
The upper end that the upper end of the left end of 2-2 is fixedly connected with hand column 2-4, sliding block 2-2 is provided with sliding block card slot 2-3.
The connection component 3 further includes pulling-on piece 3-4, sheet metal II3-6, spring leaf 3-7 and binding post II3-8, pulling-on piece
3-4 is fixedly connected on the right end of spring loop bar 3-3, and sheet metal II3-6 is fixedly connected on perpendicular saddle 3-1, on sheet metal II3-6
Spring leaf 3-7 and binding post II3-8 are provided with, spring leaf 3-7 is located at the top of sheet metal I1-9.
The L-shaped impeller card slot 2-11 is located at sustained height with positioning card column 1-4.
The rotating member 2-1 is turned to when the sliding block card slot 2-3 of front end being made to be open facing forward, the catch bar of front end 2-9
In the left end of front end limiting abutment extending 3-2；Rotating member 2-1 is turned to when the sliding block card slot 2-3 of rear end being made to be open backwards, and rear end pushes away
Lever 2-9 is located at the left end of rear end limiting abutment extending 3-2.
A kind of operation principle of power supply maker of the present invention：Rotating member 2-1, which is turned to, makes the sliding block card slot 2-3 of front end be open
When facing forward, the catch bar 2-9 of front end is located at the left end of front end limiting abutment extending 3-2, at this moment pushes sliding block 2-2 to the right with hand column 2-4,
Sliding block card slot 2-3 on sliding block 2-2 is stuck on positioning card column 1-4, and so as to which sliding block 2-2 is fixed, sliding block 2-2 drives catch bar 2-
9 move right, and catch bar 2-9 pushes up go back to the limiting abutment extending 3-2 parts exposed on the left of perpendicular saddle 3-1, makes limiting abutment extending 3-2's
Left end is flushed with the left end of perpendicular saddle 3-1, at this moment limits the upper end that abutment extending 3-2 no longer rides over riser 1-7, before at this moment moving
The connection component 3 at end is whole to be moved down, and spring leaf 3-7 is made to be contacted with sheet metal I1-9, the power supply of a circuit is connected, binding post
I1-8 and binding post II3-8 are used to connecting wire；It connects after the completion of 3 use of component, will turn on component 3 and be moved to perpendicular rail bar 1-
6 the top, due to the effect of spring II on spring loop bar 3-3, limiting abutment extending 3-2 is stuck in the upper end of riser 1-7 again, will be fixed
Position card column 1-4 is extracted out of sliding block card slot 2-3 can move to left sliding block 2-2, and sliding block 2-2 is restored origin-location.Rotating member 2-1 turns
It moves to when the sliding block card slot 2-3 of rear end being made to be open backwards, the catch bar 2-9 of rear end is located at the left end of rear end limiting abutment extending 3-2, together
Reason connects the power supply of an another circuit；When needing to be also turned on two circuits, rotating member 2-1 is turned into horizontality, to
Right promotion L-shaped impeller 2-7 movements, make positioning card column 1-4 be stuck on L-shaped impeller card slot 2-11 and consolidate L-shaped impeller 2-7
It is fixed, when L-shaped impeller 2-7 moves right, two limiting abutment extending 3-2 parts exposed on the left of perpendicular saddle 3-1 are pushed up back, at this moment
Two connection components 3 can be moved down simultaneously, be also turned on the power supply of two circuits.Connection component 3 in device is equivalent to electricity
Switch in road, device can make be connected a circuit power with a connection component 3 at the same time, solve
The problem of switch in two circuits is easily obscured, and power supply connects mistake so as to caused by；And device can also be switched to simultaneously
Connect the form of two circuits.
Certainly, above description is not limitation of the present invention, and the present invention is also not limited to the example above, the art
The variations, modifications, additions or substitutions that those of ordinary skill is made in the essential scope of the present invention also belong to the guarantor of the present invention
Protect range.
Claims (6)
1. a kind of power supply maker including frame portions (1), rotation changeover module (2) and connects component (3), it is characterised in that：
The frame portions (1) include bottom plate (1-1), rotation seat bar (1-2), montant (1-3), perpendicular rail bar (1-6) and riser (1-
7), the left end of bottom plate (1-1) is fixedly connected with rotation seat bar (1-2), and the centre position of bottom plate (1-1) is fixedly connected with that there are two perpendicular
Bar (1-3), there are gaps, the right end of bottom plate (1-1) between two montants (1-3) to be fixedly connected with riser (1-7), bottom plate (1-
1) right end is fixedly connected there are two perpendicular rail bar (1-6), and riser (1-7) is between montant (1-3) and perpendicular rail bar (1-6)；
The rotation changeover module (2) is pushed away including rotating member (2-1), sliding block (2-2), baffle ring (2-5), shaft (2-6), L-shaped
Moving part (2-7), L-shaped impeller sliding slot (2-8), catch bar (2-9) and trapezoidal raised line (2-10), shaft (2-6) are rotatably connected on
The upper end of rotation seat bar (1-2), there are two baffle rings (2-5), two baffle rings (2-5) to be located at rotation respectively for setting in shaft (2-6)
The left and right ends of seat bar (1-2), the right end of shaft (2-6) are fixedly connected on the left end of rotating member (2-1), rotating member (2-1)
Centre position is provided with L-shaped impeller sliding slot (2-8), and L-shaped impeller (2-7) is slidably connected at L-shaped impeller sliding slot (2-8)
On, the front-end and back-end of rotating member (2-1) are both provided with trapezoidal raised line (2-10), the equal company of slip on two trapezoidal raised lines (2-10)
Sliding block (2-2) is connected to, the upper end of the right side of sliding block (2-2) is fixedly connected with catch bar (2-9)；
The connection component (3) includes perpendicular saddle (3-1), limiting abutment extending (3-2), spring loop bar (3-3) and L-shaped frame (3-5),
Connecting component (3) has two groups, and two one end for connecting component (3) are slidably connected at respectively on two perpendicular rail bars (1-6), erect saddle
L-shaped frame (3-5) is fixedly connected on (3-1), limiting abutment extending (3-2) is slidably connected on perpendicular saddle (3-1), limiting abutment extending (3-
2) right end is fixedly connected with spring loop bar (3-3), and the right end of spring loop bar (3-3) is slidably connected on L-shaped frame (3-5), bullet
Spring II is cased on spring loop bar (3-3), spring II is located between limiting abutment extending (3-2) and L-shaped frame (3-5), two limiting abutment extendings
The left end of (3-2) rides over the upper end of riser (1-7).
2. a kind of power supply maker according to claim 1, it is characterised in that：The frame portions (1) further include fixed
Position card column (1-4), door letter stencil (1-5), binding post I (1-8) and sheet metal I (1-9), one end of positioning card column (1-4) are provided with
Angle (1-4-1), the other end of positioning card column (1-4) are provided with card column banking stop (1-4-2), are slided on two montants (1-3)
Dynamic to be plugged with positioning card column (1-4), two angle (1-4-1) ends positioned in card columns (1-4) are opposite, card column banking stop (1-4-
2) it is bonded respectively with montant (1-3), a letter stencil (1-5), door letter stencil (1-5) has been connected by screw on two montants (1-3)
On be welded with spring I, the other end of spring I is welded in positioning card column (1-4).
3. a kind of power supply maker according to claim 2, it is characterised in that：The rotation changeover module (2) also wraps
Sliding block card slot (2-3), hand column (2-4) and L-shaped impeller card slot (2-11) are included, the upper end of the left end of sliding block (2-2) is fixedly connected
There is hand column (2-4), the upper end of sliding block (2-2) is provided with sliding block card slot (2-3).
4. a kind of power supply maker according to claim 3, it is characterised in that：The connection component (3) further includes drawing
Piece (3-4), sheet metal II (3-6), spring leaf (3-7) and binding post II (3-8), pulling-on piece (3-4) are fixedly connected on spring loop bar
The right end of (3-3), sheet metal II (3-6) are fixedly connected on perpendicular saddle (3-1), and spring leaf is provided on sheet metal II (3-6)
(3-7) and binding post II (3-8), spring leaf (3-7) is positioned at the top of sheet metal I (1-9).
5. a kind of power supply maker according to claim 3, it is characterised in that：The L-shaped impeller card slot (2-11)
With positioning card column (1-4) positioned at sustained height.
6. a kind of power supply maker according to claim 3, it is characterised in that：The rotating member (2-1), which turns to, to be made
When sliding block card slot (2-3) opening of front end is facing forward, the catch bar (2-9) of front end limits the left end of abutment extending (3-2) positioned at front end；Turn
Moving part (2-1) is turned to when the sliding block card slot (2-3) of rear end being made to be open backwards, and the catch bar (2-9) of rear end is limited positioned at rear end
The left end of abutment extending (3-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711488626.1A CN108206105B (en) | 2017-12-30 | 2017-12-30 | A kind of power supply maker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711488626.1A CN108206105B (en) | 2017-12-30 | 2017-12-30 | A kind of power supply maker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108206105A true CN108206105A (en) | 2018-06-26 |
| CN108206105B CN108206105B (en) | 2019-01-25 |
Family
ID=62605163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711488626.1A Expired - Fee Related CN108206105B (en) | 2017-12-30 | 2017-12-30 | A kind of power supply maker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108206105B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2512584A1 (en) * | 1981-09-09 | 1983-03-11 | Petercem Sa | Automatic or manual contactor-circuit breaker - uses slider, carrying main contactor contacts, mechanically coupled to circuit breaker contacts to open contactor |
| CN1320939A (en) * | 2000-04-27 | 2001-11-07 | 尹顿公司 | Mechanically interlocking device for coordinating operation of circuit protectors and with overregulation compensation |
| CN1988091A (en) * | 2005-12-21 | 2007-06-27 | 宁波奇乐电器实业总公司 | Three position type hand operate mechanism for automatic changing switch appliance |
| CN106252120A (en) * | 2015-06-04 | 2016-12-21 | 施耐德电器工业公司 | Dual-power transfer switch |
| CN106328405A (en) * | 2016-11-14 | 2017-01-11 | 天津市先智电气设备有限公司 | Mechanical interlocking mechanism independent of main body structure and dual-power-supply power unit |
| CN206401249U (en) * | 2017-01-18 | 2017-08-11 | 环宇集团浙江高科股份有限公司 | Double power supply automatic transfer switch |
-
2017
- 2017-12-30 CN CN201711488626.1A patent/CN108206105B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2512584A1 (en) * | 1981-09-09 | 1983-03-11 | Petercem Sa | Automatic or manual contactor-circuit breaker - uses slider, carrying main contactor contacts, mechanically coupled to circuit breaker contacts to open contactor |
| CN1320939A (en) * | 2000-04-27 | 2001-11-07 | 尹顿公司 | Mechanically interlocking device for coordinating operation of circuit protectors and with overregulation compensation |
| CN1988091A (en) * | 2005-12-21 | 2007-06-27 | 宁波奇乐电器实业总公司 | Three position type hand operate mechanism for automatic changing switch appliance |
| CN106252120A (en) * | 2015-06-04 | 2016-12-21 | 施耐德电器工业公司 | Dual-power transfer switch |
| CN106328405A (en) * | 2016-11-14 | 2017-01-11 | 天津市先智电气设备有限公司 | Mechanical interlocking mechanism independent of main body structure and dual-power-supply power unit |
| CN206401249U (en) * | 2017-01-18 | 2017-08-11 | 环宇集团浙江高科股份有限公司 | Double power supply automatic transfer switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108206105B (en) | 2019-01-25 |
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