CN105914105A - Magnetic-latching high-voltage direct-current relay, and assembling method and working method thereof - Google Patents
Magnetic-latching high-voltage direct-current relay, and assembling method and working method thereof Download PDFInfo
- Publication number
- CN105914105A CN105914105A CN201610421138.8A CN201610421138A CN105914105A CN 105914105 A CN105914105 A CN 105914105A CN 201610421138 A CN201610421138 A CN 201610421138A CN 105914105 A CN105914105 A CN 105914105A
- Authority
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- China
- Prior art keywords
- iron core
- relay
- coil
- yoke plate
- magnetic
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000000919 ceramic Substances 0.000 claims abstract description 27
- 230000003068 static effect Effects 0.000 claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 5
- 239000011261 inert gas Substances 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims description 16
- 238000005219 brazing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract 3
- 229910052751 metal Inorganic materials 0.000 abstract 3
- 238000007789 sealing Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000004913 activation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/36—Stationary parts of magnetic circuit, e.g. yoke
- H01H50/42—Auxiliary magnetic circuits, e.g. for maintaining armature in, or returning armature to, position of rest, for damping or accelerating movement
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H49/00—Apparatus or processes specially adapted to the manufacture of relays or parts thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/023—Details concerning sealing, e.g. sealing casing with resin
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
- H01H50/20—Movable parts of magnetic circuits, e.g. armature movable inside coil and substantially lengthwise with respect to axis thereof; movable coaxially with respect to coil
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/023—Details concerning sealing, e.g. sealing casing with resin
- H01H2050/025—Details concerning sealing, e.g. sealing casing with resin containing inert or dielectric gasses, e.g. SF6, for arc prevention or arc extinction
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention discloses a magnetic-latching high-voltage direct-current relay, and an assembling method and a working method thereof. A leading-out end of the relay is installed on a ceramic cover, the lower end of the leading-out end extends to a chamber of the ceramic cover, the ceramic cover is installed on a yoke plate through a frame sheet, the yoke plate is installed on the upper end of a U-shaped yoke, the chamber of the ceramic cover is internally provided with a moving contact corresponding to the lower end of the leading-out end, a coil is arranged at the inner side of the U-shaped yoke, the coil internally comprises permanent magnetic steel, a moving iron core included in the inner side of the coil is arranged on the middle part of the yoke plate, the moving contact and the moving iron core are installed on upper and lower ends of a push rod, an elastic pressure mechanism is arranged on the push rod, a lower static iron core is arranged on the lower end of the moving iron core, a metal housing is arranged at the outer side of the moving iron core, the upper end of the metal housing is connected with the yoke plate, the lower end of the metal housing is connected with the lower static iron core, and the chamber is filled with inert gas. By just providing short-time pulse electric energy to the coil, the closed and release states of the relay can be maintained by the magnetic force of a permanent magnet, the bistable working state is realized, and an energy saving effect is achieved.
Description
Technical field
The present invention relates to relay technical field, more specifically, keep HVDC relay and assemble method thereof and method of work particularly to a kind of magnetic.
Background technology
HVDC relay currently on the market is all electromagnetic type, and relay in use needs to be energized always, and coil power consumption 3W～6W, for the automobile industry the highest to power conservation requirement, power consumption is the biggest.
If HVDC relay employing permanent magnet being kept switching state, simply needing in use to consume electric energy within a few tens of milliseconds of initial start stage, being greatly saved energy consumption.
But, when HVDC relay changes to magnetic holding work pattern, need to solve the dynamic magnetic force mechanisms sealing problem including exit and moving plate, upper lower magnetic pole.
Summary of the invention
It is an object of the invention to provide a kind of magnetic holding HVDC relay improving sealing property and energy consumption being reduced greatly.
In order to solve posed problems above, the technical solution used in the present invention is:
A kind of magnetic keeps HVDC relay, including exit, ceramic shield, frame sheet, yoke plate, coil, permanent-magnet steel, upper and lower static iron core, U-shaped yoke, dynamic iron core and metal-back；Described exit is arranged in ceramic shield, the lower end of described exit extends in the chamber of ceramic shield, described ceramic shield is installed on above yoke plate by frame sheet, described yoke plate is installed on U-shaped yoke upper end, the movable contact spring corresponding with exit lower end it is provided with in the chamber of described ceramic shield, the inner side of described U-shaped yoke is provided with coil, permanent-magnet steel is included in described two coils, the middle part of described yoke plate is provided with the dynamic iron core being included in inside coil, described movable contact spring and dynamic iron core are installed on the two ends up and down of a catch bar, described catch bar is provided with elastic pressure mechanism, the upper end of described dynamic iron core is provided with static iron core, the lower end of described dynamic iron core is provided with lower static iron core, the outside of described dynamic iron core is provided with metal-back, the upper end of described metal-back is connected with yoke plate, the lower end of described metal-back is connected with lower static iron core；It is also filled with inert gas in described chamber.
Further, needing the position sealed is that described metal-back is tubular-shaped structures, and the minor face of the metal-back of this tubular-shaped structures and yoke plate use laser welding in one, described lower static iron core is provided with shoulder, and the long limit of the metal-back of tubular-shaped structures uses laser welding on this shoulder.
Further, needing the position sealed is all to use high temperature brazing to seal between described exit and ceramic shield and between described ceramic shield and frame sheet, and described frame sheet uses laser welded seal with yoke plate.
The present invention also provides for a kind of magnetic and keeps the assemble method of HVDC relay, comprises the following steps,
A, metal-back lower end laser welding is fixed on lower static iron core；
B, by catch bar through yoke plate, upper static iron core, then weld with dynamic iron core；
C, metal-back upper end laser welding is fixed on yoke plate；
D, load onto spring and movable contact spring in catch bar upper end；
E, frame sheet and the yoke plate welded seal with exit and ceramic shield；
F, load after coil, magnet steel, U-shaped yoke the main body of product；
G, lower static iron core is penetrated U-shaped yoke, and afterbody laser welding is welded.
The present invention also provides for a kind of magnetic and keeps the method for work of HVDC relay, comprises the following steps,
When relay needs to start when, by the produced electromagnetic attraction of magnetic plug energising, dynamic iron core is promoted to move upward；After relay Guan Bi, remove coil and control voltage, coil middle part the magnetic force of the permanent-magnet steel installed is to ensure that relay closes；When relay needs release when, to coil two ends in addition backward voltage, when the reverse electromagnetic attraction that coil produces is more than the magnetic force of permanent-magnet steel, the actuating of relay discharges, the magnetic force of permanent-magnet steel maintains this state.
Compared with prior art, the beneficial effects of the present invention is: the present invention makes that relay movement part is in sealing and closes under conditions of having gas shield, discharges.During relay Guan Bi uses, only need to provide short-time pulse electric energy to coil, the magnetic force by permanent magnet just can be in Guan Bi, release conditions by guard relay, it is achieved bistable operation state reaches energy-saving effect.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the magnetic holding HVDC relay of the present invention.
Fig. 2 is the assemble method flow chart of the magnetic holding HVDC relay of the present invention.
Description of reference numerals: 1, exit, 2, ceramic shield, 3, movable contact spring, 4, frame sheet, 5, yoke plate, 6, spring, 7, chamber, 8, coil, 9, permanent-magnet steel, 10, lower static iron core, 11, U-shaped yoke, 12, dynamic iron core, 13, metal-back.
Detailed description of the invention
Below in conjunction with the accompanying drawings the preferred embodiments of the present invention are described in detail, so that advantages and features of the invention can be easier to be readily appreciated by one skilled in the art, thus protection scope of the present invention are made apparent clear and definite defining.
Refering to shown in Fig. 1, the present invention provides a kind of magnetic to keep HVDC relay, including exit 1, ceramic shield 2, frame sheet 4, yoke plate 5, coil 8, permanent-magnet steel 9, lower static iron core 10, U-shaped yoke 11, dynamic iron core 12 and metal-back 13.
nullDescribed exit 1 is arranged in ceramic shield 2，The lower end of described exit 1 extends in the chamber 7 of ceramic shield 2，Described ceramic shield 2 is installed on yoke plate 5 upper end by frame sheet 4，Described yoke plate 5 is installed on U-shaped yoke 11 upper end，The movable contact spring 3 corresponding with lead-out tablet 1 lower end it is provided with in described chamber 7，The inner side of described U-shaped yoke 11 is provided with coil 8，Permanent-magnet steel 9 is included in described coil 8，The middle part of described yoke plate 5 is provided with the dynamic iron core 12 being included in inside coil 8，Described movable contact spring 3 and dynamic iron core 12 are installed on the two ends up and down of a catch bar，Described catch bar is provided with elastic pressure mechanism (using spring 6)，The upper end of described dynamic iron core 12 is provided with static iron core，The lower end of described dynamic iron core 12 is provided with lower static iron core 10，The outside of described dynamic iron core 12 is provided with metal-back 13，The upper end of described metal-back 13 is connected with yoke plate 5，The lower end of described metal-back 13 is connected with lower static iron core 10；It is also filled with inert gas in described chamber 7.
The operation principle of the magnetic holding HVDC relay of the present invention is:
When relay needs to start when, by the produced electromagnetic attraction of magnetic plug energising, dynamic iron core 12 is promoted to move upward；After relay Guan Bi, remove coil activation voltage, coil middle part the magnetic force of the permanent-magnet steel 9 installed continues to ensure relay Guan Bi；When relay needs release when, to coil two ends in addition backward voltage, when the reverse electromagnetic attraction that coil produces is more than the magnetic force of permanent-magnet steel 9, the actuating of relay discharges, the magnetic force of permanent-magnet steel 9 maintains this state.
The present invention makes that relay movement part is in sealing and closes under conditions of having gas shield, discharges.
During relay Guan Bi uses, it is only necessary to provide the driving voltage of very short time to relay coil, the magnetic force by permanent magnet 9 just can be in Guan Bi or release conditions with guard relay, reaches energy-conservation effect..
Concrete, described metal-back 13 is tubular-shaped structures, described, and the minor face of the metal-back 13 of this tubular-shaped structures and yoke plate 5 use laser welding in one, described lower static iron core 10 is provided with step, and the long limit of the metal-back 13 of tubular-shaped structures uses laser welding on this step.
Concrete, all use high temperature brazing to seal between described exit 1 and ceramic shield 2 and between described ceramic shield 2 and frame sheet 4, described frame sheet 4 uses laser welded seal with yoke plate 5.
It it not the form sealed due to existing HVDC relay; and invention relay uses inner chamber to rush the mode of protective gas to ensure chamber 7 high pressure conditions; relay in use arc extinguishing speed is fast, and contactor gap is less than the relay of same load specification, so volume can be little.And relay internal be high-pressure aerated state, external pressure changes not to be affected the arc extinction effect within relay, can reach under will and spirit pressure ring border in office normally, work reliably, and range is widely.
Refering to shown in Fig. 1 and Fig. 2, the magnetic of the present invention keeps the assemble method of HVDC relay to specifically include following steps:
A, metal-back 13 lower end laser welding is fixed on lower static iron core 10；
B, by catch bar through yoke plate 5, upper static iron core, then weld with dynamic iron core 12；
C, metal-back 13 upper end laser welding is fixed on yoke plate 5；
D, load onto spring and movable contact spring 3 in catch bar upper end；
E, with the frame sheet 4 of exit 1 and ceramic shield 2 and yoke plate 5 welded seal；
F, load after coil 8, magnet steel 9, U-shaped yoke 11 the main body of product；
G, lower static iron core 10 is penetrated U-shaped yoke 11, and afterbody laser welding is welded.
By the enforcement of the present invention, this magnetic keeps HVDC relay to save energy consumption, can be with normal in the case of will and spirit pressure in office, and job applications is extensive, and product is sealing state simultaneously, and relay volume is little and superior performance.
Above-described embodiment is the present invention preferably embodiment; but embodiments of the present invention are also not restricted to the described embodiments; the change made under other any Spirit Essence without departing from the present invention and principle, modify, substitute, combine, simplify; all should be the substitute mode of equivalence, within being included in protection scope of the present invention.
Claims (5)
1. a magnetic keeps HVDC relay, it is characterised in that: include exit, ceramic shield, frame sheet, yoke plate,
Coil, permanent-magnet steel, upper and lower static iron core, U-shaped yoke, dynamic iron core and metal-back；Described exit is arranged on ceramic shield
On, the lower end of described exit extends in the chamber of ceramic shield, and described ceramic shield is installed on above yoke plate by frame sheet,
Described yoke plate is installed on U-shaped yoke upper end, is provided with the movable contact spring corresponding with exit lower end in the chamber of described ceramic shield,
The inner side of described U-shaped yoke is provided with coil, includes permanent-magnet steel in described two coils, and the middle part of described yoke plate is provided with bag
It is contained in the dynamic iron core inside coil, described movable contact spring and dynamic iron core and is installed on the two ends up and down of a catch bar, on described catch bar
Being provided with elastic pressure mechanism, the upper end of described dynamic iron core is provided with static iron core, and the lower end of described dynamic iron core is provided with lower static iron core,
The outside of described dynamic iron core is provided with metal-back, and the upper end of described metal-back is connected with yoke plate, the lower end of described metal-back with under
Static iron core connects；It is also filled with inert gas in described chamber.
Magnetic the most according to claim 1 keeps HVDC relay, it is characterised in that: described metal-back is tubular
Structure, the minor face of the metal-back of this tubular-shaped structures and yoke plate employing laser welding are in one, and described lower static iron core is provided with shoulder
Platform, the long limit of the metal-back of tubular-shaped structures uses laser welding on this shoulder.
Magnetic the most according to claim 1 keeps HVDC relay, it is characterised in that: described exit and pottery
All using high temperature brazing to seal between cover and between described ceramic shield and frame sheet, described frame sheet uses laser welding with yoke plate
Seal.
4. the assemble method of a magnetic according to claim 1 holding HVDC relay, it is characterised in that: bag
Include following steps,
A, metal-back lower end laser welding is fixed on lower static iron core；
B, by catch bar through yoke plate, upper static iron core, then weld with dynamic iron core；
C, metal-back upper end laser welding is fixed on yoke plate；
D, load onto spring and movable contact spring in catch bar upper end；
E, frame sheet and the yoke plate welded seal with exit and ceramic shield；
F, load after coil, magnet steel, U-shaped yoke the main body of product；
G, lower static iron core is penetrated U-shaped yoke, and afterbody laser welding is welded.
5. the method for work of a magnetic according to claim 1 holding HVDC relay, it is characterised in that: should
Method of work comprises the following steps:
When relay needs to start when, by the produced electromagnetic attraction of magnetic plug energising, dynamic iron core is promoted to move upward；
After relay Guan Bi, remove coil and control voltage, coil middle part the magnetic force of the permanent-magnet steel installed is to ensure relay
Guan Bi；
When relay needs release when, to coil two ends in addition backward voltage, the reverse electromagnetic attraction that coil produces is more than
During the magnetic force of permanent-magnet steel, the actuating of relay discharges, the magnetic force of permanent-magnet steel maintain this state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610421138.8A CN105914105A (en) | 2016-06-14 | 2016-06-14 | Magnetic-latching high-voltage direct-current relay, and assembling method and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610421138.8A CN105914105A (en) | 2016-06-14 | 2016-06-14 | Magnetic-latching high-voltage direct-current relay, and assembling method and working method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105914105A true CN105914105A (en) | 2016-08-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610421138.8A Pending CN105914105A (en) | 2016-06-14 | 2016-06-14 | Magnetic-latching high-voltage direct-current relay, and assembling method and working method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN105914105A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107799359A (en) * | 2017-11-02 | 2018-03-13 | 苏州安来强电子科技有限公司 | A kind of New Magnetic Field Controlled keeps D.C. contactor |
| CN113471018A (en) * | 2021-05-24 | 2021-10-01 | 深圳林硕科技有限公司 | Novel production and processing technology for high-voltage direct-current relay |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107799359A (en) * | 2017-11-02 | 2018-03-13 | 苏州安来强电子科技有限公司 | A kind of New Magnetic Field Controlled keeps D.C. contactor |
| CN113471018A (en) * | 2021-05-24 | 2021-10-01 | 深圳林硕科技有限公司 | Novel production and processing technology for high-voltage direct-current relay |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20170125 Address after: Wasion Industrial Park No. 468 410205 Hunan province Yuelu District city Tongzi Road West Slope Changsha Applicant after: CHANGSHA ZOMKUN ELECTRICAL TECHNOLOGY CO., LTD. Applicant after: Zhu Qingmao Address before: Wasion Industrial Park No. 468 410205 Hunan province Yuelu District city Tongzi Road West Slope Changsha Applicant before: Zhu Qingmao Applicant before: CHANGSHA ZOMKUN ELECTRICAL TECHNOLOGY CO., LTD. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160831 |
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