CN208422706U - Electron tubes type dual power supply automatic switching device - Google Patents
Electron tubes type dual power supply automatic switching device Download PDFInfo
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- CN208422706U CN208422706U CN201821056665.4U CN201821056665U CN208422706U CN 208422706 U CN208422706 U CN 208422706U CN 201821056665 U CN201821056665 U CN 201821056665U CN 208422706 U CN208422706 U CN 208422706U
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- Prior art keywords
- vacuum switch
- switch tube
- driving frame
- synchronous driving
- connecting rod
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- 230000009977 dual effect Effects 0.000 title claims abstract description 15
- 230000001360 synchronised effect Effects 0.000 claims abstract description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 claims abstract description 8
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 7
- 230000003068 static effect Effects 0.000 description 7
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses electron tubes type dual power supply automatic switching devices, it is characterized by: every two moving contacts with model vacuum switch tube are axially docked with connecting rod, adjusting length of connecting rod makes two vacuum switch tubes one open one to close, and a vacuum switch tube opened is opened away from meeting the opening away from technical requirements of the vacuum switch tube;Synchronous driving frame is equipped between two vacuum switch tubes, synchronous driving frame is made left and right activity setting and is pushed by bistable permanent magnetic electromagnet, synchronous driving frame pushes the moving contact of left side vacuum switch tube by left spring to the left when acting to the left, synchronous driving frame pushes the moving contact of the right vacuum switch tube to the right by right spring when acting to the right, iron core stroke the opening away from the pressure excess of stroke for adding vacuum switch tube moving contact equal to vacuum switch tube of bistable permanent magnetic electromagnet.The utility model can greatly shorten power supply conversion time, realize that load is uninterrupted in conversion process;And structure size is small, solenoid actuated power is small, properties of product ensure reliably.
Description
Technical field
The utility model relates to technical field of electricity, in particular to be a kind of electron tubes type Dual-power automatic switching
Device.
Background technique
Social economy requires power supply not interrupt in very fast development, the modern life and modern industry.Developed countries are (outstanding
It is the U.S. and Japan) ATS and auxiliary products are considered as a part of power supply.Therefore, very careful to the selection of ATS and use
Weight.Routinely PC grades of products of first choice in dual power supply emergency power supply system, and switch does not allow intermediate stop in conversion process
(i.e. without zero-bit).At it in use, the smallest power-off time has maximum use value.In China's high and low pressure power supply network
In network, many goal uninterruptible power supplies, such as: base station, hospital, telecommunication, bank and smart home.Dual power supply is automatic
For switching device as a part of power supply, dosage is very big.And the safety and reliability as the product is particularly important.Mesh
Before, such product that domestic production producer shows can only achieve general requirement.That how to improve dual power supply automatic switching device can
It is always the important topic of lot of domestic and foreign scientific research institution research by property and safety.The safety and reliability of vacuum tube is one
Stream, therefore, vacuum tube is widely applied in high-voltage circuitbreaker, in vacuum tube contactor.But vacuum tube is opened
The setting for needing normally opened spring is opened, normally opened spring takes up space greatly, and overcomes the operating force of normally opened spring very big, needs big
The electromagnet of driving force configures, and above-mentioned configuration can make power supply conversion time also can be longer, therefore in the prior art, dual power supply
Automatic switching control equipment does not use the precedent of vacuum tube.
Summary of the invention
In view of the deficienciess of the prior art, the purpose of the utility model is to provide one kind can greatly shorten power supply conversion
Time realizes that load is uninterrupted in conversion process;And structure size is small, solenoid actuated power is small, properties of product ensure reliably
Electron tubes type dual power supply automatic switching device.
The utility model is implemented by following technical solution:
Electron tubes type dual power supply automatic switching device, it is characterised in that: every two moving contacts with model vacuum switch tube
It is axially docked with connecting rod, the left end of connecting rod is connect with the moving contact of left side vacuum switch tube, and right end and the right vacuum of connecting rod are opened
Close the moving contact connection of pipe, adjusting length of connecting rod makes two vacuum switch tubes one open one to close, and a vacuum switch tube opened open away from
Meet opening away from technical requirements for the vacuum switch tube;Synchronous driving frame is equipped between two vacuum switch tubes, synchronous driving frame is made
Left and right activity setting is pushed by bistable permanent magnetic electromagnet, pushes a left side by left spring when synchronous driving frame acts to the left
To the left, synchronous driving frame pushes the right vacuum switch tube by right spring when acting to the right to the moving contact of side vacuum switch tube
To the right, the iron core stroke of bistable permanent magnetic electromagnet is equal to the opening away from adding vacuum switch tube moving contact of vacuum switch tube to moving contact
The pressure excess of stroke, the pressure excess of stroke meet the contact pressure of the vacuum switch tube requirement.
Every two are one group with model vacuum switch tube, are equipped with 3-4 group with model vacuum switch tube.
The left and right side of synchronous driving frame is the face that pushes the work forward, left and right of the face that pushes the work forward equipped with left and right gap slot by connecting rod
Rod end activity passes through, and the left spring is set between synchronous driving frame and left side vacuum switch tube moving contact, and the right spring is set
Between synchronous driving frame and the right vacuum switch tube moving contact, left and right spring pocket is set on connecting rod.
The rod end connection hand of the iron core connecting rod of bistable permanent magnetic electromagnet grasps handle, and hand behaviour's handle, which swings, to be set
It sets.
After adopting the above technical scheme, advantageous effects of the utility model are: 1. omissions keep vacuum tube normally opened
Normally opened spring keep ATS structure size smaller.2. because the model of every two vacuum tubes is identical, and the moving contact of two vacuum tubes
Axial docking, self-closing power is identical and contrary, and therefore, the power for making vacuum tube close or divide just corresponds to contact pressure, used
The driving force very little of electromagnet.3. multi-group vacuum pipe is synchronous by driving frame, by bistable permanent magnetic solenoid actuated, it is in always
One unification closed state simultaneously interlocks, and ensures that properties of product reliably.4. as long as change the electric current of direct current used in electromagnet coil
Direction can simply control, and power supply conversion time is extremely short, generally only need 5ms or so (prior art generally in 120ms or more), from
And realize that conversion process load is uninterrupted.5. hand gear is simple and reliable, can and contact closes, quartile sets display.6. contact pressure
It is adjustable.7. over voltage automatic conversion and long-range control can be realized when 485 communication interface is arranged in control circuit board.
Detailed description of the invention
The utility model has following attached drawing:
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
As shown, the electron tubes type dual power supply automatic switching device of the utility model, including be fixedly mounted on shell 1
The more vacuum switch tubes with model, every two with model vacuum switch tube be one group, with model vacuum switch tube be equipped with 4
Group.Every two moving contacts with model vacuum switch tube are docked with connecting rod 5 is axial, the left end of connecting rod 5 and left side vacuum switch tube 2
Moving contact 21 be attached with left hand thread, the right end of connecting rod 5 and the moving contact 71 of the right vacuum switch tube 7 are with right-handed thread
Be attached, adjusting 5 length of connecting rod makes two vacuum switch tubes one open one to close, and a vacuum switch tube opened open it is true away from this is met
Empty switching tube is opened away from technical requirements;Synchronous driving frame 4 is equipped between two vacuum switch tubes, synchronous driving frame 4 makees left and right and lives
Dynamic setting is pushed by bistable permanent magnetic electromagnet 8, pushes the left side by left spring 3 when synchronous driving frame 4 acts to the left
To the left, synchronous driving frame 4 pushes the right vacuum switch tube by right spring 6 when acting to the right to the moving contact 21 of vacuum switch tube
Moving contact 71 to the right, the iron core stroke of bistable permanent magnetic electromagnet 8 is equal to the opening away from adding vacuum switch tube dynamic of vacuum switch tube
The pressure excess of stroke of contact, the pressure excess of stroke meets the contact pressure of the vacuum switch tube requirement, and (the pressure excess of stroke is big, vacuum switch
The dynamic/static contact contact pressure of pipe is big, and the pressure excess of stroke is small, and the dynamic/static contact contact pressure of vacuum switch tube is small).Synchronous driving frame 8
Left and right side be to push the work forward face, the face that pushes the work forward passes through equipped with left and right gap slot by the left and right rod end activity of connecting rod 5, described
Left spring 3 is set between synchronous driving frame 4 and left side vacuum switch tube moving contact 21, and the right spring 6 is set to synchronous driving frame 4
Between the right vacuum switch tube moving contact 71, left and right spring pocket is set on connecting rod 5.The iron core of bistable permanent magnetic electromagnet 8 connects
The rod end rotation connection hand of extension bar grasps handle 9, and hand behaviour's handle 9 swings setting.
Above-mentioned electron tubes type dual power supply automatic switching device, is performed such power supply switching motion: in normal condition
Under, the iron core of bistable permanent magnetic electromagnet is located at the left side, and two vacuum switch tubes one are opened one and closed, and the dynamic/static contact of left side vacuum tube closes
It closes, and under left spring effect, certain contact pressure, contact is kept between the dynamic/static contact of left side vacuum tube
Pressure meets the requirement of the vacuum tube, and the dynamic/static contact of the right vacuum tube is separately kept opening away from opening away from meeting the vacuum tube at this time
Open away from technical requirements;When power supply being needed to convert, change the current direction by electromagnet coil, then bistable permanent magnetic electromagnetism
The iron core of iron acts to the right, by right spring push the right vacuum tube moving contact to the right, due to bistable permanent magnetic electromagnet
Iron core stroke is opened equal to vacuum switch tube away from the pressure excess of stroke for adding vacuum switch tube moving contact, so bistable permanent magnetic electromagnet
Iron core carry out when opening away from stroke of vacuum switch tube, the dynamic/static contact of the right vacuum tube is just closed, and left side vacuum tube
Dynamic/static contact separate then just keep open away from;The iron core of following bistable permanent magnetic electromagnet is carrying out the dynamic touching of vacuum switch tube
When the pressure excess of stroke of head, the pressure excess of stroke compresses right spring to a certain degree, which makes the sound of the right vacuum tube
Keep certain contact pressure to meet vacuum tube requirement between contact.In above-mentioned power supply conversion process, as long as due to changing
The current direction of direct current used in power transformation magnet coil can be controlled simply, and the moving contact of two vacuum tubes axially docks,
Self-closing power is identical and contrary, and the driving force very little of bistable permanent magnetic electromagnet, stroke is also small, so power supply conversion time pole
It is short, 5ms or so is generally only needed, the 120ms or more than the prior art is greatly shortened, between realizing that load is not in conversion process substantially
It is disconnected.
Claims (4)
1. electron tubes type dual power supply automatic switching device, it is characterised in that: every two moving contacts with model vacuum switch tube are used
Connecting rod axially docks, and the left end of connecting rod is connect with the moving contact of left side vacuum switch tube, the right end and the right vacuum switch of connecting rod
The moving contact of pipe connects, adjust length of connecting rod two vacuum switch tubes one is made to open one and close, and a vacuum switch tube opened is opened away from symbol
Close the opening away from technical requirements of the vacuum switch tube;Synchronous driving frame is equipped between two vacuum switch tubes, synchronous driving frame is made left
Right activity setting is pushed by bistable permanent magnetic electromagnet, pushes the left side by left spring when synchronous driving frame acts to the left
To the left, synchronous driving frame pushes the dynamic of the right vacuum switch tube by right spring when acting to the right to the moving contact of vacuum switch tube
To the right, the iron core stroke of bistable permanent magnetic electromagnet is equal to the opening away from the pressure for adding vacuum switch tube moving contact of vacuum switch tube to contact
The power excess of stroke, the pressure excess of stroke meet the contact pressure of the vacuum switch tube requirement.
2. electron tubes type dual power supply automatic switching device as described in claim 1, it is characterised in that: every two the same as model vacuum
Switching tube is one group, is equipped with 3-4 group with model vacuum switch tube.
3. electron tubes type dual power supply automatic switching device according to claim 1, it is characterised in that: a left side for synchronous driving frame
Right side is the face that pushes the work forward, and the face that pushes the work forward passes through equipped with left and right gap slot by the left and right rod end activity of connecting rod, the left bullet
Spring is set between synchronous driving frame and left side vacuum switch tube moving contact, and the right spring is set to synchronous driving frame and the right vacuum
Between switching tube moving contact, left and right spring pocket is set on connecting rod.
4. electron tubes type dual power supply automatic switching device according to claim 1, it is characterised in that: bistable permanent magnetic electromagnetism
The rod end connection hand of the iron core connecting rod of iron grasps handle, and hand behaviour's handle swings setting.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821056665.4U CN208422706U (en) | 2018-07-05 | 2018-07-05 | Electron tubes type dual power supply automatic switching device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821056665.4U CN208422706U (en) | 2018-07-05 | 2018-07-05 | Electron tubes type dual power supply automatic switching device |
Publications (1)
Publication Number | Publication Date |
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CN208422706U true CN208422706U (en) | 2019-01-22 |
Family
ID=65125386
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201821056665.4U Expired - Fee Related CN208422706U (en) | 2018-07-05 | 2018-07-05 | Electron tubes type dual power supply automatic switching device |
Country Status (1)
Country | Link |
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CN (1) | CN208422706U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108565147A (en) * | 2018-07-05 | 2018-09-21 | 浙江信基电气股份有限公司 | Electron tubes type dual power supply automatic switching device |
CN110473723A (en) * | 2019-08-20 | 2019-11-19 | 陕西铭拓机电技术有限公司 | Dual power supply switching mechanism and switchgear with the dual power supply switching mechanism |
-
2018
- 2018-07-05 CN CN201821056665.4U patent/CN208422706U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108565147A (en) * | 2018-07-05 | 2018-09-21 | 浙江信基电气股份有限公司 | Electron tubes type dual power supply automatic switching device |
CN110473723A (en) * | 2019-08-20 | 2019-11-19 | 陕西铭拓机电技术有限公司 | Dual power supply switching mechanism and switchgear with the dual power supply switching mechanism |
CN110473723B (en) * | 2019-08-20 | 2024-04-19 | 陕西铭拓机电技术有限公司 | Dual power supply switching mechanism and switch equipment with same |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190122 |