CN209133364U - It is a kind of rapidly to switch dual power supply equipment - Google Patents
It is a kind of rapidly to switch dual power supply equipment Download PDFInfo
- Publication number
- CN209133364U CN209133364U CN201821377951.0U CN201821377951U CN209133364U CN 209133364 U CN209133364 U CN 209133364U CN 201821377951 U CN201821377951 U CN 201821377951U CN 209133364 U CN209133364 U CN 209133364U
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- power supply
- changeover module
- electromagnetism
- switch
- armature
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- 230000009977 dual effect Effects 0.000 title claims abstract description 35
- 230000003068 static effect Effects 0.000 claims description 13
- 239000000919 ceramic Substances 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 16
- 230000005389 magnetism Effects 0.000 abstract description 5
- 238000010891 electric arc Methods 0.000 description 11
- 230000007423 decrease Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 7
- 230000005611 electricity Effects 0.000 description 4
- 230000001939 inductive effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000008054 signal transmission Effects 0.000 description 1
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Abstract
Rapidly switch dual power supply equipment the utility model discloses a kind of, belong to radiator field, its key points of the technical solution are that, including device housings, electromagnetism changeover module, drive rod, vacuum switch and armature, the inside left of power supply changeover module shell is fixedly installed with electromagnetism changeover module, through armature is connected with, the inside of electromagnetism changeover module is fixedly installed with enameled wire layer, is fixedly installed with drive rod on the right side of electromagnetism changeover module at the middle part of electromagnetism changeover module.This kind rapidly switches dual power supply equipment, run through at the middle part of electromagnetism changeover module and is connected with armature, by armature, when the main power source of equipment connection is in energized state, armature is adsorbed to inside electromagnetism changeover module under magneticaction, when main power source power-off, electromagnetism changeover module loses magnetism, armature glides, and drive rod declines pushing mechanism and opens vacuum switch, at this moment, backup power source is switched on, and allows the power supply in dual power supply to switch rapid effect to play.
Description
Technical field
The utility model relates to radiator fields, in particular to a kind of rapidly to switch dual power supply equipment.
Background technique
Dual power supply equipment is a kind of equipment connecting with a main power source and a backup power source, he can power off in main power source
When, it switches power on backup power source, avoids some important regions from powering off suddenly and cause the accident.
Authorization Notice No. be CN203242925U Chinese patent disclose a kind of dual power supply controller switching equipment, including cabinet body with
And cabinet door on the cabinet is set, the utility model structure is simple, needs to install different transmission line circuits according to user, realizes low
It is press-fitted the automatic switchover of electric installation dual power supply, but existing dual power supply equipment is switched to backup power source when main power source powers off
When the internal electronic component such as need to detect power cut-off and can just connect after confirming that the time required in this way is longer,
If can not be switched to backup power source in time when power-off suddenly in elevator, be easy to cause safety accident.
Utility model content
In view of the deficienciess of the prior art, rapidly switch dual power supply equipment the purpose of the utility model is to provide a kind of,
Previous dual power supply equipment is solved in main power source power-off, needs just to can turn on after waiting control elements to receive signal processing standby
It is waiting for a long time with power supply, backup power source access speed not fast enough problem not big enough in armature decline bring thrust,
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of double electricity of rapidly switching
Source device, including device housings, electromagnetism changeover module, drive rod, power supply changeover module shell, vacuum switch and armature, it is described
The inside left of power supply changeover module shell is fixedly installed with electromagnetism changeover module, and the middle part of the electromagnetism changeover module is through company
It is connected to armature, the inside of the electromagnetism changeover module is fixedly installed with enameled wire layer, and the right side of the electromagnetism changeover module is fixed
Drive rod is installed, driving wheel is engaged on the right side of the drive rod, the inner right side of the power supply changeover module shell is fixed
Vacuum switch is installed, static conductive bar, the bottom end weldering of the static conductive bar are fixedly connected at the top of the vacuum switch
It is connected to contact head, the Corner Strapped of the device housings is connected with eight conducting wire detent screws, the upper surface of the device housings
It is plugged with conducting wire with lower end surface, the front center of the device housings is fixedly connected with power supply changeover module shell, the electricity
The front center of source changeover module shell is fixedly installed with manual switch, and the front end of the manual switch is fixedly connected with handle
Further, the top of the drive rod is fixedly connected with the spring for pushing drive rod, and the middle part of spring
Bottom end is fixedly installed with the thin bar being connected with drive rod.
Further, the inside of the vacuum switch is fixedly connected with arc shield, and the both ends of arc shield point
Not to inclination at the axle center of static conductive bar and dynamic conducting rod.
Further, the top two sides of the power supply changeover module shell are fixedly installed with power supply indicator, the power supply
The top middle portion of changeover module shell is fixedly installed with Backup Power Switch, and power switch be located at two power supply indicators it
Between.
Further, the bottom end of the armature is socketed with driver plate, and flexible gear is fixedly mounted in the top of the driver plate
Block, and the right side of driver plate is connected with drive rod.
Further, the outer wall of the driving wheel is fixedly connected with engagement latch, passes through engagement on the right side of the driving wheel
Latch is meshed with switch force fit plate, and switching force fit plate is in " L shape ".
Further, the bottom of the vacuum switch is connected with dynamic conducting rod, the bottom end of the dynamic conducting rod
It is welded with special-shaped conductive column, and the bottom end of special-shaped conductive column is connected with conducting wire.
Further, the outside of the vacuum switch is closely fitted with ceramic shell, the inner bottom of the vacuum switch
It is fixedly connected with ripple platform set, and the inner sidewall of ripple housing and the lateral wall of dynamic conducting rod fit.
In conclusion the utility model has the following beneficial effects:
1, this kind rapidly switches dual power supply equipment, at the middle part of electromagnetism changeover module through being connected with armature, by armature,
When the main power source of equipment connection is in energized state, armature is adsorbed to electromagnetism under the magneticaction of electromagnetism changeover module and cuts
Component internal is changed, at this moment, drive rod is in impaction state, and electromagnetism changeover module loses magnetism when main power source power-off, under armature
Sliding, drive rod declines pushing mechanism and opens vacuum switch, and at this moment, backup power source is switched on, because electromagnetism changeover module is and master
Power supply is directly connected to and generates magnetism, so electromagnetism changeover module at once loosens armature when main power source power-off, solves
Previous dual power supply equipment needs just to can turn on standby electricity after waiting control elements to receive signal processing when main power source powers off
Source, the problem of extending the switching time of backup power source, allow the power supply in dual power supply to switch rapid effect to play.
2, this kind rapidly switches dual power supply equipment, is fixedly installed with enameled wire layer in the inside of electromagnetism changeover module, passes through
Enameled wire layer, it can generate inductive reaction between armature after the electric current of main power source enters, armature is sucked electromagnetism switch groups
Inside part, when main power source power-off when, the condition of inductive reaction is lost between enameled wire layer and armature, at this moment, armature rapidly from
Half is skidded off in electromagnetism changeover module, drives drive rod decline, solves previous dual power supply equipment and felt by electronic component
Answer whether main power source circulates, and the time that the signal transmission between electronic component is spent is long, is easy out of order problem, to rise
Immediately loosen armature to when main power source powers off, has achieved the effect that the rapid pushing mechanism of armature is allowed to open vacuum switch.
3, this kind rapidly switches dual power supply equipment, and driving wheel is engaged on the right side of drive rod, by driving wheel, because passing
It is mutually to be driven by engaging latch between driving wheel and drive rod and switch force fit plate, so when main power source power-off armature drives
When drive rod declines, drive rod can drive driving wheel by engagement latch, and driving wheel passes through engagement latch driving switch force fit plate
Rise, and these are all completed at the same time, so switch force fit plate, which rises, pushes vacuum switch to open while armature falls
It opens, solves the problems, such as that the waiting time is too long when previous dual power supply equipment switching primary and secondary power supply, so driving wheel plays together
Walk the effect of transmission.
4, this kind rapidly switches dual power supply equipment, is fixedly connected with the bullet for pushing drive rod on the top of drive rod
Spring, by spring, when main power source is powered, spring is in the state that bar is squeezed and compressed that is transmitted, and when main power source power-off, passes
Lever loses the thrust of armature, and at this moment, the elongation of spring moment restores to the original state, and drive rod is pushed to move down rapidly, opens to be entire
The mechanism of vacuum switch provides thrust, and it is not big enough to solve armature decline bring thrust, not fast enough the problem of speed, to rise
The effect of the speed of service of the entire transmission mechanism of raising is arrived.
5, this kind rapidly switches dual power supply equipment, is fixedly connected with arc shield in the inside of vacuum switch, passes through electricity
At this moment arc shielding case, holds because the powerful electric current that can generate in a flash that switch connects circuit is hit at switch connection
It is also easy to produce the electric arc that electric arc, especially high-tension current generate to be easy to burn the plastic wire breakdown in dual power supply equipment, cause
The failure of entire power supply system, and the high-voltage arc generated in a flash can be blocked in vacuum switch by arc shield, and benefit
It allows electric arc to lose the approach of propagation with the vacuum environment inside vacuum switch, solves previous dual power supply equipment in Switching power
When the problem of being easy to produce high-voltage arc injury device, to play the effect of protection equipment installation.
Detailed description of the invention
Fig. 1 is the overall structure figure of the utility model；
Fig. 2 is the power supply switching component structure figure of the utility model；
Fig. 3 is the electromagnetism switching component structure figure of the utility model；
Fig. 4 is the vacuum switch structure figure of the utility model.
In figure, 1, device housings；101, conducting wire detent screw；102, conducting wire；2, power supply changeover module shell；201, power supply
Indicator light；202, Backup Power Switch；203, manual switch；204；Handle；3, electromagnetism changeover module；301, armature；302, it passes
Movable plate；303, flexible block；304, enameled wire layer；4, drive rod；401, spring；402, driving wheel；403, force fit plate is switched；
404, latch is engaged；5, vacuum switch；501, special-shaped conductive column；502, ceramic shell；503, arc shield；504, static state is led
Electric pole；505, contact head；506, dynamic conducting rod；507, ripple housing.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: it is a kind of rapidly to switch dual power supply equipment, including set
Standby shell 1, electromagnetism changeover module 3, drive rod 4, power supply changeover module shell 2, vacuum switch 5 and armature 301, power supply switch groups
The inside left of part shell 2 is fixedly installed with electromagnetism changeover module 3, and the middle part of electromagnetism changeover module 3, which is run through, is connected with armature
301, by armature 301, when the main power source of equipment connection is in energized state, armature 301 is adsorbed under magneticaction
Inside electromagnetism changeover module 3, at this moment, drive rod 4 is in impaction state, and when main power source power-off, electromagnetism changeover module 3 loses magnetic
Property, the downslide of armature 301, the decline pushing mechanism opening vacuum switch 5 of drive rod 4, at this moment, backup power source is switched on, because of electromagnetism
Changeover module 3 is directly to be connected to main power source and generate magnetism, so electromagnetism changeover module 3 at once will when main power source power-off
Armature 301 loosens, and allows the power supply in dual power supply to switch rapid effect, the fixed peace in the inside of electromagnetism changeover module 3 to play
Equipped with enameled wire layer 304, by enameled wire layer 304, it can generate electromagnetism between armature 301 after the electric current of main power source enters
Reaction sucks armature 301 inside electromagnetism changeover module 3, when main power source power-off, loses between enameled wire layer 304 and armature 301
The condition of inductive reaction is gone, armature 301, which skids off rapidly, drives drive rod 4 to decline, and immediately puts to play in main power source power-off
Loose armature 301 has achieved the effect that the rapid pushing mechanism of armature 301 is allowed to open vacuum switch 5, the right side of electromagnetism changeover module 3
Be fixedly installed with drive rod 4, the right side of drive rod 4 is engaged with driving wheel 402, by driving wheel 402 because driving wheel 402 with
It is mutually to be driven by engaging latch 404 between drive rod 4 and switch force fit plate 403, so when electric armature 301 drives transmission
When bar 4 declines, drive rod 4 can drive driving wheel 402 by engagement latch 404, and driving wheel 402 is driven by engagement latch 404
Dynamic switch force fit plate 403 rises, and these are all completed at the same time, so switching force fit plate while armature 301 falls
403, which rise promotion vacuum switch 5, opens, so driving wheel 402 plays the effect of Synchronous Transmission, power supply changeover module shell 2
Inner right side be fixedly installed with vacuum switch 5, the top of vacuum switch 5 is fixedly connected with static conductive bar 504, static conductive
The bottom end of bar 504 is welded with contact head 505, and the Corner Strapped of device housings 1 is connected with eight conducting wire detent screws 101, equipment
The upper surface and lower end surface of shell 1 are plugged with conducting wire 102, and the front center of device housings 1 is fixedly connected with power supply switch groups
Part shell 2, the front center of power supply changeover module shell 2 are fixedly installed with manual switch 203, and the front end of manual switch 203 is solid
Surely it is connected with handle 204.
Further, the top of drive rod 4 is fixedly connected with the spring 401 for pushing drive rod 4, and spring 401
Middle part bottom end is fixedly installed with the thin bar being connected with drive rod 4, passes through spring 401, when main power source is powered, spring
401 squeeze and the state of compression in bar 4 is transmitted, and when main power source power-off, drive rod 4 loses the thrust of armature 301, this
When, the elongation of 401 moment of spring restores to the original state, and drive rod 4 is pushed to move down rapidly, mentions for the entire mechanism for opening vacuum switch 5
Arch thrust solves not big enough, not fast enough the problem of speed, so that it is entire to play raising that declines bring thrust of armature 301
The effect of the speed of service of transmission mechanism.
Further, the inside of vacuum switch 5 is fixedly connected with arc shield 503, and the two of arc shield 503
Head is respectively to inclination at the axle center of static conductive bar 504 and dynamic conducting rod 506, by arc shield 503, because of switch
The powerful electric current that can generate in a flash that circuit is connected is hit, and at this moment, electric arc is easy to produce at switch connection, especially
The electric arc that high-tension current generates is easy to burn the plastic wire breakdown in dual power supply equipment, causes the event of entire power supply system
Barrier, and the high-voltage arc generated in a flash can be blocked in vacuum switch 5 by arc shield 503, and using in vacuum switch 5
The vacuum environment in portion allows electric arc to lose the approach of propagation, solves previous dual power supply equipment and is easy to produce height in Switching power
The problem of piezoelectricity arc injury device, to play the effect of protection equipment installation.
Further, the top two sides of power supply changeover module shell 2 are fixedly installed with power supply indicator 201, power supply switching
The top middle portion of package shell 2 is fixedly installed with Backup Power Switch 202, and power switch 202 is located at two power supply indicators
Between 201, power supply changeover module is located at when main power source is connected by power supply indicator 201 and Backup Power Switch member 202
The power supply indicator 201 in 2 left side of shell lights, and at this moment, opens Backup Power Switch 202, at this moment, the static state of vacuum switch 5 is led
Electric pole 501 is connected with one end of backup power source, when main power source is cut off, and backup power source accesses, is located at power supply changeover module shell 2
The power supply indicator 202 on right side lights, to play the effect that the power supply that prompt is currently accessed is main power source or backup power source.
Further, the bottom end of armature 301 is socketed with driver plate 302, and flexible gear is fixedly mounted in the top of driver plate 302
Block 303, and the right side of driver plate 302 is connected with drive rod 4, by driver plate 302 and flexible block 303, when under armature 301
When drop, driver plate 302 drives drive rod 4 to decline, and when armature 301 rises, driver plate 302 drives drive rod 4 to rise, meanwhile,
Flexible block 303 strikes 3 on electromagnetic switching device, limits the climb of armature 301, prevents armature 301 from cutting into electromagnetism
The depth for changing component 3 is excessive, and driver plate 302 is caused to fall off, meanwhile, flexible block 303 is on striking electromagnetism changeover module 3
Dynamics it is excessive there is noise, drive drive rod 4 mobile so drive block 302 and flexible block play and reduce impact noise
Effect.
Further, the outer wall of driving wheel 402 is fixedly connected with engagement latch 404, and the right side of driving wheel 402 passes through engagement
Latch 404 is meshed with switch force fit plate 403, and switching force fit plate 403 is in " L shape ", is pressed by engagement latch 404 and switch
Plate 403 between driving wheel 402 and drive rod 4 and switch force fit plate 403 is mutually driven by engaging latch 404, so working as
When main power source powers off the drive decline of drive rod 4 of armature 301, drive rod 4 can drive driving wheel 402, biography by engagement latch 404
Driving wheel 402 is risen by engagement 404 driving switch force fit plate 403 of latch pushes dynamic conducting rod 506 to open vacuum switch 5,
So meshing gear 404 and switch force fit plate 403 play the effect that vacuum switch 5 is opened to transmitting power.
Further, the bottom of vacuum switch 5 is connected with dynamic conducting rod 506, the bottom end weldering of dynamic conducting rod 506
It is connected to special-shaped conductive column 501, and the bottom end of special-shaped conductive column 501 is connected with conducting wire, it is conductive by dynamic conducting rod 506 and abnormal shape
Column 501, because special-shaped conductive column 501 connects with another conducting wire of backup power source, when switch force fit plate 403 pushes dynamic
When conducting rod 506 rises, dynamic conductive 506 contacts with static conductive bar 504, to reach the effect for connecting backup power source
Fruit.
Further, the outside of vacuum switch 5 is closely fitted with ceramic shell 502, and the inner bottom of vacuum switch 5 is fixed
It is connected with ripple platform set 507, and the inner sidewall of ripple housing 507 and the lateral wall of dynamic conducting rod 506 fit, and pass through ceramics
Shell 502 and ripple housing 507, because ceramics have good insulating properties, when vacuum switch 5, which is connected, generates electric arc,
Ceramic shell can be very good for electric arc to be blocked in inside it, prevent electric arc from penetrating vacuum switch 5, cause failure at equipment, and
The ripple housing 507 to fit with dynamic conducting rod 506 can hinder extraneous air when dynamic conducting rod 504 is mobile
Gear prevents air from entering and the vacuum environment of vacuum switch 5 is caused to fail, so ceramic shell 502 and ripple housing 507 play
Protect the effect of vacuum switch 5.
Working principle: firstly, the conducting wire detent screw 101 on device housings is unscrewed, then, by the battery core of conducting wire 102
It is inserted into device housings 1, then, conducting wire detent screw 101 is tightened, then, main power source is connected with backup power source, at this moment,
The power supply indicator 201 in left side lights, meanwhile, the enameled wire layer 304 inside electromagnetism changeover module 3 is powered, and generates with armature 301
Magnetism, at this moment, armature 301 rise and enter in electromagnetism changeover module 3, meanwhile, driver plate 302 pushes drive rod 4 to rise, transmission
The spring 401 on 4 top of bar compresses, and the engagement latch 404 on 4 right side of drive rod moves up the engagement latch for driving 402 outer ring of driving wheel
404 is mobile, and at this moment, driving wheel 402 drives switch pressing version 402 to decline by engagement latch, then, presses Backup Power Switch
202, at this moment, the static conductive column 501 on 5 top of vacuum switch is connect with backup power source, when main power source power-off, enameled wire layer
304 power-off, armature 301 push drive rod 4 to decline, and at this moment, spring 401 flicks, and driving wheel 402 inverts, and switch on force fit plate 403
It rises and dynamic conducting rod 506 is pushed to rise, at this moment, 501 bottom end of the contact head 505 on 506 top of dynamic conducting rod and special-shaped conductive column
Contact head 505 contact, backup power source is connected, meanwhile, contact site generates electric arc, arc shield 503 and ceramic shell 502
Electric arc is stopped.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of rapidly switch dual power supply equipment, including device housings (1), electromagnetism changeover module (3), drive rod (4), power supply are cut
Change package shell (2), vacuum switch (5) and armature (301), it is characterised in that: the inside of the power supply changeover module shell (2)
Left side is fixedly installed with electromagnetism changeover module (3), and the middle part of the electromagnetism changeover module (3), which is run through, is connected with armature (301), institute
The inside for stating electromagnetism changeover module (3) is fixedly installed with enameled wire layer (304), and the right side of the electromagnetism changeover module (3) is fixed
It is equipped with drive rod (4), is engaged with driving wheel (402) on the right side of the drive rod (4), the power supply changeover module shell (2)
Inner right side be fixedly installed with vacuum switch (5), be fixedly connected with static conductive bar at the top of the vacuum switch (5)
(504), the bottom end of the static conductive bar (504) is welded with contact head (505), and the Corner Strapped of the device housings (1) connects
Eight conducting wire detent screws (101) are connected to, the upper surface and lower end surface of the device housings (1) are plugged with conducting wire (102), institute
The front center for stating device housings (1) is fixedly connected with power supply changeover module shell (2), the power supply changeover module shell (2)
Front center be fixedly installed with manual switch (203), the front end of the manual switch (203) is fixedly connected with handle (204).
2. a kind of rapidly switching dual power supply equipment according to claim 1, it is characterised in that: the top of the drive rod (4)
End is fixedly connected with the spring (401) for pushing drive rod (4), and the middle part bottom end of spring (401) is fixedly installed with one
The thin bar being connected with drive rod (4).
3. a kind of rapidly switching dual power supply equipment according to claim 1, it is characterised in that: the vacuum switch (5)
Inside is fixedly connected with arc shield (503), and the both ends of arc shield (503) respectively to static conductive bar (504) and
It is tilted at the axle center of dynamic conducting rod (506).
4. a kind of rapidly switching dual power supply equipment according to claim 1, it is characterised in that: outside the power supply changeover module
The top two sides of shell (2) are fixedly installed with power supply indicator (201), and the top middle portion of the power supply changeover module shell (2) is solid
Dingan County is equipped with Backup Power Switch (202), and power switch (202) is located between two power supply indicators (201).
5. a kind of rapidly switching dual power supply equipment according to claim 1, it is characterised in that: the bottom of the armature (301)
End cap is connected to driver plate (302), and flexible block (303), and driver plate is fixedly mounted in the top of the driver plate (302)
(302) right side is connected with drive rod (4).
6. a kind of rapidly switching dual power supply equipment according to claim 1, it is characterised in that: the driving wheel (402)
Outer wall is fixedly connected with engagement latch (404), and the right side of the driving wheel (402) is pressed by engagement latch (404) and switch
Plate (403) is meshed, and switching force fit plate (403) is in " L shape ".
7. a kind of rapidly switching dual power supply equipment according to claim 1, it is characterised in that: the vacuum switch (5)
Bottom is connected with dynamic conducting rod (506), and the bottom end of the dynamic conducting rod (506) is welded with special-shaped conductive column (501),
And the bottom end of special-shaped conductive column (501) is connected with conducting wire.
8. a kind of rapidly switching dual power supply equipment according to claim 7, it is characterised in that: the vacuum switch (5)
Outside is closely fitted with ceramic shell (502), and the inner bottom of the vacuum switch (5) is fixedly connected with ripple housing (507),
And the inner sidewall of ripple housing (507) and the lateral wall of dynamic conducting rod (506) fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821377951.0U CN209133364U (en) | 2018-08-24 | 2018-08-24 | It is a kind of rapidly to switch dual power supply equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821377951.0U CN209133364U (en) | 2018-08-24 | 2018-08-24 | It is a kind of rapidly to switch dual power supply equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209133364U true CN209133364U (en) | 2019-07-19 |
Family
ID=67229386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821377951.0U Expired - Fee Related CN209133364U (en) | 2018-08-24 | 2018-08-24 | It is a kind of rapidly to switch dual power supply equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209133364U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110828233A (en) * | 2019-12-03 | 2020-02-21 | 杭州西非电子信息技术有限公司 | Power-off protection device for electronic information equipment |
-
2018
- 2018-08-24 CN CN201821377951.0U patent/CN209133364U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110828233A (en) * | 2019-12-03 | 2020-02-21 | 杭州西非电子信息技术有限公司 | Power-off protection device for electronic information equipment |
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