CN108597955A - A kind of high voltage direct current relay with auxiliary contact - Google Patents
A kind of high voltage direct current relay with auxiliary contact Download PDFInfo
- Publication number
- CN108597955A CN108597955A CN201810064340.9A CN201810064340A CN108597955A CN 108597955 A CN108597955 A CN 108597955A CN 201810064340 A CN201810064340 A CN 201810064340A CN 108597955 A CN108597955 A CN 108597955A
- Authority
- CN
- China
- Prior art keywords
- auxiliary
- yoke plate
- ring
- contact
- high voltage
- 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
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 239000000919 ceramic Substances 0.000 claims description 62
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 60
- 238000005476 soldering Methods 0.000 claims description 15
- NEIHULKJZQTQKJ-UHFFFAOYSA-N [Cu].[Ag] Chemical compound [Cu].[Ag] NEIHULKJZQTQKJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 238000005219 brazing Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static 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
- H01H50/54—Contact arrangements
- H01H50/541—Auxiliary contact devices
Abstract
The invention discloses a kind of high voltage direct current relay with auxiliary contact, including pushing mechanism, the active spring with double active contacts, two main exits for being each configured with main stationary contact, the auxiliary with double auxiliary movable contacts move spring, two the first auxiliary exits and yoke plate for being each configured with the first auxiliary stationary contact；Pushing mechanism is set in yoke plate, active spring is mounted in the upper end of pushing mechanism, auxiliary moves spring on the pushing mechanism between active spring and yoke plate, two first auxiliary exits are fixed on by the adapter of tape insulation structure on yoke plate respectively assists the auxiliary movable contact for moving spring both ends corresponding with the first auxiliary stationary contact of two first auxiliary exits on yoke plate respectively to realize the mutually insulated between yoke plate.The invention enables the auxiliary contact structures that the high voltage direct current relay can realize one group of conversion, to substantially increase the reliability of high voltage direct current relay.
Description
Technical field
The present invention relates to relay technical fields, more particularly to a kind of high voltage direct current relay with auxiliary contact.
Background technology
High voltage direct current relay generally requires other small in practical applications in order to monitoring the state of major loop
Signal load circuit is gone to monitor, that is, needs auxiliary contact.Due to the particularity of solenoid Direct Action Type magnetic circuit, the auxiliary contact
Structure design existing market substantially there are two types of, one is " reed capsule " structure of TE companies of the U.S., such as TE models EV500
Auxiliary contact；Another kind is the reed structure of Gigavac, but this two kinds of structures there is can not make " one group of conversion ",
The shortcomings that poor reliability.
Invention content
It is an object of the invention to overcome the deficiency of the prior art, a kind of high voltage direct current relay with auxiliary contact is provided
Device passes through the improvement to auxiliary contact structure so that the high voltage direct current relay can realize the auxiliary contact knot of one group of conversion
Structure, to substantially increase the reliability of high voltage direct current relay.
The technical solution adopted by the present invention to solve the technical problems is：A kind of high voltage direct current relay with auxiliary contact
Device, including pushing mechanism, the active spring with double active contacts, two main exits for being each configured with main stationary contact, have
The auxiliary of double auxiliary movable contacts moves spring, two the first auxiliary exits and yoke plate for being each configured with the first auxiliary stationary contact；
The pushing mechanism is set in yoke plate, and the active spring is mounted in the upper end of pushing mechanism, the active contact point at active spring both ends
It is not corresponding with the main stationary contact of two main exits for being located at top；The auxiliary is moved spring and is mounted between active spring and yoke plate
Pushing mechanism on, two first auxiliary exits be fixed on yoke plate by the adapter of tape insulation structure to realize respectively
The mutually insulated between yoke plate assists the auxiliary movable contact for moving spring both ends to be drawn respectively with two first auxiliary on yoke plate
The first auxiliary stationary contact at end is corresponding.
The adapter of the tape insulation structure is made of ceramic ring and copper ring, and the first auxiliary exit is weldingly fixed on
On ceramic ring, the ceramic ring is weldingly fixed on the copper ring, and the copper ring is weldingly fixed on the yoke plate.
Between the first auxiliary exit and ceramic ring, between ceramic ring and copper ring and copper ring is distinguished with yoke plate
It is mutually fixed by silver-copper brazing alloy soldering.
Between the first auxiliary exit and ceramic ring, between ceramic ring and copper ring and copper ring is distinguished with yoke plate
It is mutually fixed by the circular ring shape weld tabs soldering that silver-copper brazing alloy is material.
The first auxiliary exit is made of cap head and the body of rod, and the body of rod of the first auxiliary exit passes through ceramic ring
Interstitial hole, the cap head of the first auxiliary exit rides over the upper surface of ceramic ring, and circular ring shape weld tabs pad assists exit first
Cap head and the upper surface of ceramic ring between and by soldering so that the first auxiliary exit is mutually fixed with ceramic ring.
It is equipped with step in the interstitial hole of the copper ring, and the diameter dimension of the interstitial hole on step is made to be not less than ceramic ring
Outer diameter, the diameter dimension of the interstitial hole under step are less than the outer diameter of ceramic ring, and the hypomere of the ceramic ring is embedded in copper
In interstitial hole on the step of ring, the lower face of ceramic ring rides at the step of the interstitial hole of copper ring, and circular ring shape weld tabs pad is being made pottery
Ceramic ring is set mutually to be fixed with copper ring between the lower face of ceramic ring and the step of the interstitial hole of copper ring and by soldering.
It is equipped with preset gap between interstitial hole and the body of rod of the first auxiliary exit under the step of the copper ring, to protect
Mutually insulated between the first auxiliary exit of card and copper ring.
The yoke plate is equipped with the through-hole that the body of rod of the first auxiliary exit can be allowed to pass through, in the epimere of through-hole
Equipped with the groove that the hypomere that can be adapted to copper ring is embedded in, the lower face of the copper ring rides at the slot bottom of the groove of yoke plate, circle
Circular weld tab pad keeps copper ring mutually solid with yoke plate between the lower face of copper ring and the slot bottom of the groove of yoke plate and by soldering
It is fixed；It is equipped with preset gap between the through-hole of the yoke plate and the body of rod of the first auxiliary exit, to ensure that the first auxiliary is drawn
Mutually insulated between outlet and yoke plate.
The active spring moves spring with the auxiliary and is in vertical distribution in plane projection.
The high voltage direct current relay further includes two the second auxiliary exits for being each configured with the second auxiliary stationary contact,
The second auxiliary exit is located at the top at the both ends of the dynamic spring of the auxiliary and moves the auxiliary movable contact phase at spring both ends with auxiliary
Corresponding, described two first auxiliary stationary contacts are normally closed stationary contact, and described two second auxiliary stationary contacts are normally opened stationary contact, from
And realize the auxiliary contact structure of one group of conversion.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention is fixed on by the adapter of tape insulation structure respectively as a result of by two first auxiliary exits
On yoke plate with realize and yoke plate between mutually insulated, and make auxiliary move spring both ends auxiliary movable contact respectively on yoke plate
Two first auxiliary exits first auxiliary stationary contact it is corresponding.This structure of the present invention will be by that will assist exit to fill
On yoke plate so that auxiliary moves capable of being arranged up and down for spring and assists stationary contact, can realize the auxiliary contact knot of one group of conversion
Structure, to substantially increase the reliability of high voltage direct current relay.Since yoke plate is conductive material, in the prior art, people
Inertial thinking be to think to be not suitable on yoke plate to fill auxiliary contact, that is, exist auxiliary contact being fixed on yoke plate
Technology barrier, the adapter for the tape insulation structure that the present invention is made of introducing ceramic ring and copper ring so that auxiliary exit
It can insulate after yoke plate, to overcome the technology barrier.
Invention is further described in detail with reference to the accompanying drawings and embodiments；But a kind of band auxiliary contact of the present invention
High voltage direct current relay be not limited to embodiment.
Description of the drawings
Fig. 1 is the schematic diagram of the local structure (containing ceramic case) of the embodiment present invention；
Fig. 2 is the portions the A enlarged diagram in Fig. 1；
Fig. 3 is the schematic diagram of the local structure (without containing ceramic case) of the embodiment present invention；
Fig. 4 is the installation decomposition diagram between the first auxiliary exit of the embodiment present invention and yoke plate.
Specific implementation mode
Embodiment
Shown in Fig. 1 to Fig. 4, a kind of high voltage direct current relay with auxiliary contact of the invention, including pushing mechanism
1,2, two main exits 3 for being each configured with main stationary contact of the active spring with double active contacts, with double auxiliary movable contacts
Auxiliary move the first auxiliary exit 5 and yoke plate 6 that spring 4, two is each configured with the first auxiliary stationary contact；Pushing mechanism packet
Catch bar is included, active spring 2 is mounted on the upper end of pushing mechanism 1 by main spring, and main exit 3 is then mounted on ceramic case 7；
Active contact can be the both ends for being molded directly within active spring 2, can also be the both ends that individual part is fixed on active spring 2；
Likewise, main stationary contact can be molded directly on main exit 3, can also be that individual part is fixed on main exit 3
On；Likewise, auxiliary movable contact can be the both ends for being molded directly within auxiliary and moving spring 4, can also be that individual part is fixed on
Auxiliary moves the both ends of spring 4；Likewise, the first auxiliary stationary contact can be molded directly on the first auxiliary exit 5, it can also
It is that individual part is fixed on the first auxiliary exit 5；The pushing mechanism 1 is set in yoke plate 6, and pushing mechanism 1 pushes away
The bottom section of lever is coordinated by connecting dynamic iron core in coil, and dynamic iron core is then matched with static iron core；2 both ends of active spring
Active contact is corresponding with the main stationary contact of two main exits 3 for being located at top respectively；The auxiliary moves spring 4 and is mounted in active spring
On pushing mechanism between 2 and yoke plate 6；Active spring 2 moves spring 4 with the auxiliary and is in vertical distribution in plane projection；The height
Straightening current relay further includes two the second auxiliary exits 8 for being each configured with the second auxiliary stationary contact, likewise, second is auxiliary
It can be molded directly on the second auxiliary exit 8 to help stationary contact, can also be that individual part is fixed on the second auxiliary and draws
In outlet 8；The second auxiliary exit 8 is located at the top at the both ends for assisting moving spring 4 and moves the auxiliary of 4 both ends of spring with auxiliary
Power-assist contact is corresponding, and the second auxiliary exit 8 is generally also to be fixed on ceramic case 7；In the present embodiment, described two
One auxiliary stationary contact is normally closed stationary contact, and described two second auxiliary stationary contacts are normally opened stationary contact, to realize one group of conversion
Auxiliary contact structure；Two first auxiliary exits 5 are fixed on by the adapter 9 of tape insulation structure on yoke plate 6 respectively
To realize the mutually insulated between yoke plate 6, assist moving the auxiliary movable contact at 4 both ends of spring respectively with two on yoke plate 6 the
First auxiliary stationary contact of one auxiliary exit 5 is corresponding.
In the present embodiment, the adapter 9 of the tape insulation structure is made of ceramic ring 91 and copper ring 92, first auxiliary
Exit 5 is weldingly fixed on ceramic ring 91, and the ceramic ring 91 is weldingly fixed on the copper ring 92, and the copper ring 92 welds
It is fixed on the yoke plate 6.Since the material of yoke plate 6 is electromagnetic pure iron, differ greatly with the coefficient of expansion of ceramics, therefore first
Copper ring 92 is welded with yoke plate 6, then ceramic ring 91 is welded with copper ring 92.
In the present embodiment, between the first auxiliary exit 5 and ceramic ring 91, between ceramic ring 91 and copper ring 92, with
And copper ring 92 is mutually fixed by silver-copper brazing alloy soldering respectively with yoke plate 6.
In the present embodiment, between the first auxiliary exit 5 and ceramic ring 91, between ceramic ring 91 and copper ring 92, with
And copper ring 92 is mutually fixed by the soldering of circular ring shape weld tabs 93 that silver-copper brazing alloy is material respectively with yoke plate 6.
In the present embodiment, the first auxiliary exit 5 is made of cap head 51 and the body of rod 52, the first auxiliary exit
The body of rod 52 pass through the interstitial hole 911 of ceramic ring 91, the cap head 51 of the first auxiliary exit 5 to ride over the upper surface of ceramic ring 91,
The pad of circular ring shape weld tabs 93 makes first between the cap head 51 and the upper surface of ceramic ring 91 of the first auxiliary exit and by soldering
Auxiliary exit 5 is fixed with 91 phase of ceramic ring.
In the present embodiment, it is equipped with step 921 in the interstitial hole of the copper ring 92, and makes the straight of interstitial hole 922 on step
Diameter size is not less than the outer diameter of ceramic ring 91, and the diameter dimension of the interstitial hole 923 under step is less than the outer diameter of ceramic ring 91
Size, for the hypomere of the ceramic ring 91 in the interstitial hole 922 on the step of copper ring, the lower face of ceramic ring 91 rides over copper ring
Interstitial hole step 921 at, circular ring shape weld tabs 93 pad the lower face of ceramic ring 91 and the interstitial hole of copper ring 92 step 921
Between and by soldering so that ceramic ring 91 is fixed with 92 phase of copper ring.
In the present embodiment, the interstitial hole 923 and first under the step of the copper ring 92 assists between the body of rod 52 of exit
Equipped with preset gap, to ensure mutually insulated between the first auxiliary exit 5 and copper ring 92.
In the present embodiment, the yoke plate 6 is logical equipped with the body of rod 52 of the first auxiliary exit can be allowed to pass through
Hole 61 is equipped with the groove 62 for the hypomere insertion that can be adapted to copper ring 92 in the epimere of through-hole 61, and the lower face of the copper ring 92 is taken
At the slot bottom of the groove 62 of yoke plate, circular ring shape weld tabs 93 pads the slot bottom in the lower face of copper ring 92 and the groove 62 of yoke plate
Between and by soldering so that copper ring 92 is fixed with 6 phase of yoke plate；The through-hole 61 and first of the yoke plate 6 assists the bar of exit
Preset gap is equipped between body 52, to ensure mutually insulated between the first auxiliary exit 5 and yoke plate 6.
A kind of high voltage direct current relay with auxiliary contact of the present invention uses and divides two first auxiliary exits 5
It is not fixed on to realize the mutually insulated between yoke plate 6 on yoke plate 6 by the adapter 9 of tape insulation structure, and makes auxiliary
The auxiliary movable contact at dynamic 4 both ends of spring is opposite with the first auxiliary stationary contact of two first auxiliary exits 5 on yoke plate 6 respectively
It answers.This structure of the present invention will be by that will assist exit 5 on yoke plate 6 so that auxiliary moves capable of being arranged up and down for spring 4
Stationary contact (one group of auxiliary contact is fixed on yoke plate 6, and another group of auxiliary contact are fixed on ceramic case 7) is assisted, it can
The auxiliary contact structure for realizing one group of conversion, to substantially increase the reliability of high voltage direct current relay.Since yoke plate 6 is
Conductive material, in the prior art, the inertial thinking of people are to think to be not suitable for filling auxiliary contact on yoke plate 6, it may be said that are deposited
In the technology barrier that auxiliary contact are fixed on to yoke plate, the present invention is by introducing the tape insulation knot being made of ceramic ring and copper ring
The adapter of structure so that auxiliary exit can insulate after being mounted on yoke plate, to overcome the technology barrier.
It should be noted that the first auxiliary exit 5 is fixed with 91 phase of ceramic ring, ceramic ring 91 and 92 phase of copper ring are consolidated
It is fixed, copper ring 92 and 6 phase of yoke plate are fixed, the order of connection between them can be set according to actual needs.
Above-mentioned only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form.Although of the invention
Disclosed above with preferred embodiment, however, it is not intended to limit the invention.Any technical person familiar with the field is not taking off
In the case of from technical solution of the present invention range, all technical solution of the present invention is made perhaps using the technology contents of the disclosure above
Mostly possible changes and modifications, or it is revised as equivalents equivalent embodiment.Therefore, every without departing from technical solution of the present invention
Content, technical spirit any simple modifications, equivalents, and modifications made to the above embodiment, should all fall according to the present invention
In the range of technical solution of the present invention protection.
Claims (10)
1. a kind of high voltage direct current relay with auxiliary contact, including pushing mechanism, the active spring with double active contacts, two
It is each configured with the main exit of main stationary contact, the auxiliary with double auxiliary movable contacts moves that spring, two to be each configured with first auxiliary
The first of stationary contact is helped to assist exit and yoke plate；The pushing mechanism is set in yoke plate, and the active spring is mounted in promotion
The active contact of the upper end of mechanism, active spring both ends is corresponding with the main stationary contact of two main exits for being located at top respectively；
It is characterized in that：The auxiliary moves spring on the pushing mechanism between active spring and yoke plate, two first auxiliary exits
It is fixed on yoke plate by the adapter of tape insulation structure respectively to realize the mutually insulated between yoke plate, assists moving spring two
The auxiliary movable contact at end is corresponding with the first auxiliary stationary contact of two first auxiliary exits on yoke plate respectively.
2. the high voltage direct current relay according to claim 1 with auxiliary contact, it is characterised in that：The tape insulation structure
Adapter be made of ceramic ring and copper ring, it is described first auxiliary exit be weldingly fixed on ceramic ring, it is described ceramics boxing
It connects and is fixed on the copper ring, the copper ring is weldingly fixed on the yoke plate.
3. the high voltage direct current relay according to claim 2 with auxiliary contact, it is characterised in that：First auxiliary is drawn
Between outlet and ceramic ring, between ceramic ring and copper ring and copper ring is mutually fixed by silver-copper brazing alloy soldering respectively with yoke plate.
4. the high voltage direct current relay according to claim 3 with auxiliary contact, it is characterised in that：First auxiliary is drawn
Between outlet and ceramic ring, between ceramic ring and copper ring and copper ring and yoke plate are respectively by circle that silver-copper brazing alloy is material
Circular weld tab soldering is mutually fixed.
5. the high voltage direct current relay according to claim 4 with auxiliary contact, it is characterised in that：First auxiliary is drawn
Outlet is made of cap head and the body of rod, and the body of rod of the first auxiliary exit passes through the interstitial hole of ceramic ring, the first auxiliary to draw
The cap head at end rides over the upper surface of ceramic ring, and circular ring shape weld tabs pad is in the upper surface of the cap head and ceramic ring of the first auxiliary exit
Between and by soldering so that the first auxiliary exit is mutually fixed with ceramic ring.
6. the high voltage direct current relay according to claim 5 with auxiliary contact, it is characterised in that：The centre of the copper ring
It is equipped with step in hole, and the diameter dimension of interstitial hole on step is made to be not less than the outer diameter of ceramic ring, the centre under step
The diameter dimension in hole is less than the outer diameter of ceramic ring, and the hypomere of the ceramic ring is embedded in the interstitial hole on the step of copper ring,
The lower face of ceramic ring rides at the step of the interstitial hole of copper ring, and circular ring shape weld tabs pad is in the lower face and copper ring of ceramic ring
Between hole step between and by soldering so that ceramic ring is mutually fixed with copper ring.
7. the high voltage direct current relay according to claim 6 with auxiliary contact, it is characterised in that：The step of the copper ring
Under interstitial hole and the body of rod of the first auxiliary exit between be equipped with preset gap, to ensure the first auxiliary exit and copper ring
Between mutually insulated.
8. the high voltage direct current relay according to claim 5 with auxiliary contact, it is characterised in that：It is set on the yoke plate
There is the through-hole that the body of rod of the first auxiliary exit can be allowed to pass through, the hypomere that can be adapted to copper ring is equipped in the epimere of through-hole
Embedded groove, the lower face of the copper ring ride at the slot bottom of the groove of yoke plate, and circular ring shape weld tabs pad is in the lower end of copper ring
Copper ring is set mutually to be fixed with yoke plate between face and the slot bottom of the groove of yoke plate and by soldering；The through-hole of the yoke plate and
It is equipped with preset gap between the body of rod of one auxiliary exit, to ensure between the first auxiliary exit and yoke plate mutually absolutely
Edge.
9. the high voltage direct current relay according to claim 1 with auxiliary contact, it is characterised in that：The active spring and institute
The dynamic spring of auxiliary is stated to be in vertical distribution in plane projection.
10. the high voltage direct current relay according to claim 9 with auxiliary contact, it is characterised in that：The high voltage direct current
Relay further includes two the second auxiliary exits for being each configured with the second auxiliary stationary contact, and the second auxiliary exit is set
The top at the both ends of spring and, described two first auxiliary corresponding with the dynamic auxiliary movable contact at spring both ends of auxiliary are moved in the auxiliary
Stationary contact is normally closed stationary contact, and described two second auxiliary stationary contacts are normally opened stationary contact, to realize the auxiliary of one group of conversion
Contact structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810064340.9A CN108597955A (en) | 2018-01-23 | 2018-01-23 | A kind of high voltage direct current relay with auxiliary contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810064340.9A CN108597955A (en) | 2018-01-23 | 2018-01-23 | A kind of high voltage direct current relay with auxiliary contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108597955A true CN108597955A (en) | 2018-09-28 |
Family
ID=63608654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810064340.9A Pending CN108597955A (en) | 2018-01-23 | 2018-01-23 | A kind of high voltage direct current relay with auxiliary contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108597955A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110211845A (en) * | 2019-05-21 | 2019-09-06 | 厦门宏发电力电器有限公司 | A kind of high voltage direct current relay with monitoring main contacts working condition function |
| WO2021255531A1 (en) * | 2020-06-17 | 2021-12-23 | Xiamen Hongfa Electric Power Controls Co., Ltd. | Conneting structure between lead-out pins of auxiliary stationary contacts and yoke plate of dc relay |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201282083Y (en) * | 2008-09-19 | 2009-07-29 | 厦门宏发电力电器有限公司 | Vaccum relay |
| JP2014232668A (en) * | 2013-05-29 | 2014-12-11 | パナソニック株式会社 | Contact device, electromagnetic relay and manufacturing method of contact device |
| CN105719912A (en) * | 2016-04-29 | 2016-06-29 | 浙江英洛华新能源科技有限公司 | Horizontal deflection prevention mechanism of high voltage direct current relay |
| CN106449279A (en) * | 2016-10-26 | 2017-02-22 | 厦门宏发电力电器有限公司 | A DC contactor with auxiliary contacts |
| CN107026056A (en) * | 2017-05-09 | 2017-08-08 | 东莞市三友联众电器有限公司 | A kind of D.C. contactor with auxiliary contact |
| CN207852582U (en) * | 2018-01-23 | 2018-09-11 | 厦门宏发电力电器有限公司 | high voltage direct current relay with auxiliary contact |
-
2018
- 2018-01-23 CN CN201810064340.9A patent/CN108597955A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201282083Y (en) * | 2008-09-19 | 2009-07-29 | 厦门宏发电力电器有限公司 | Vaccum relay |
| JP2014232668A (en) * | 2013-05-29 | 2014-12-11 | パナソニック株式会社 | Contact device, electromagnetic relay and manufacturing method of contact device |
| CN105719912A (en) * | 2016-04-29 | 2016-06-29 | 浙江英洛华新能源科技有限公司 | Horizontal deflection prevention mechanism of high voltage direct current relay |
| CN106449279A (en) * | 2016-10-26 | 2017-02-22 | 厦门宏发电力电器有限公司 | A DC contactor with auxiliary contacts |
| CN107026056A (en) * | 2017-05-09 | 2017-08-08 | 东莞市三友联众电器有限公司 | A kind of D.C. contactor with auxiliary contact |
| CN207852582U (en) * | 2018-01-23 | 2018-09-11 | 厦门宏发电力电器有限公司 | high voltage direct current relay with auxiliary contact |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110211845A (en) * | 2019-05-21 | 2019-09-06 | 厦门宏发电力电器有限公司 | A kind of high voltage direct current relay with monitoring main contacts working condition function |
| WO2021255531A1 (en) * | 2020-06-17 | 2021-12-23 | Xiamen Hongfa Electric Power Controls Co., Ltd. | Conneting structure between lead-out pins of auxiliary stationary contacts and yoke plate of dc relay |
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