CN110600328A - Waterproof normally-open direct current contactor - Google Patents
Waterproof normally-open direct current contactor Download PDFInfo
- Publication number
- CN110600328A CN110600328A CN201911054441.9A CN201911054441A CN110600328A CN 110600328 A CN110600328 A CN 110600328A CN 201911054441 A CN201911054441 A CN 201911054441A CN 110600328 A CN110600328 A CN 110600328A
- Authority
- CN
- China
- Prior art keywords
- movable contact
- insulating bush
- contact piece
- direct current
- core rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009413 insulation Methods 0.000 claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 35
- 238000007789 sealing Methods 0.000 claims description 19
- 230000003068 static effect Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 abstract description 10
- 229910052751 metal Inorganic materials 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification 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
- H01H50/02—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
- H01H50/54—Contact arrangements
- H01H50/56—Contact spring sets
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Contacts (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention relates to a waterproof normally-open direct current contactor, which comprises a base component, a coil component, an outer housing and a core bar component, wherein the base component and the outer housing are matched and installed to form an inner cavity, and the coil component and the core bar component are installed in the inner cavity, and the waterproof normally-open direct current contactor is characterized in that: the core bar assembly comprises a core bar, a movable contact piece, a movable contact, an upper insulating bush, a lower insulating bush, a contact spring and an elastic sheet, wherein the movable contact is arranged on the movable contact piece, the core bar is provided with an annular limiting table, the lower insulating bush is sleeved on the core bar and is arranged on the end face of the annular limiting table, the elastic sheet is sleeved on the core bar, one end of the contact spring is abutted against the lower insulating bush, the other end of the contact spring is abutted against the end face of the movable contact piece, and the upper insulating bush is sleeved on the core bar and is fixedly connected with the. The creepage distance of the product contact is increased, the insulation and voltage-resistant grades of the product load loop, other metal pieces and the electrified part are improved, the product performance is improved, and the work is more reliable.
Description
Technical Field
The invention relates to a waterproof normally-open direct current contactor. The system can be used for electric control systems of telecommunication equipment, engineering machinery, battery cars, electric forklifts, automobiles, trains, ships, uninterruptible power supplies and the like.
Background
Original direct current contactor wide application is in telecommunications equipment, electric control system field such as uninterrupted power source, because marketing, this type product has the use in new energy automobile trade, direct current contactor on the existing market can not be waterproof completely, in the lower service environment of northern temperature, through the inside freezing of direct current contactor after the night cooling, can not successfully close, lead to the car can not start, product performance is not high and life is absolutely also a big defect simultaneously at present, in order to satisfy market demand, promote product performance, enlarge market share, develop novel waterproof direct current contactor.
Disclosure of Invention
Compared with the prior art, the waterproof normally open direct current contactor increases the creepage distance of a product contact, improves the insulation and voltage resistance grades of a product load loop, other metal pieces and a power-on part, improves the product performance and works more reliably; the product protection grade is increased; the service life of the product is prolonged; the device can reliably work for a long time under a severe working environment, and solves the problems existing in the prior art in the use process.
The technical scheme of the invention is realized as follows:
the utility model provides a waterproof normally open DC contactor, includes base subassembly, coil pack, outer housing and core bar subassembly, and the base subassembly is formed with interior appearance chamber with outer housing cooperation installation, and coil pack and core bar unit mount are in interior appearance chamber, its characterized in that: the core rod assembly comprises a core rod, a movable contact piece, a movable contact, an upper insulating bush, a lower insulating bush, a contact spring and an elastic piece, wherein the movable contact is arranged on the movable contact piece, the core rod is provided with an annular limiting table, the lower insulating bush is sleeved on the core rod and is arranged on the end face of the annular limiting table, the coil assembly is provided with a bottom plate, the core rod penetrates through the bottom plate and is connected with the coil assembly, the elastic piece is sleeved on the core rod and is arranged above the lower insulating bush, one end of the contact spring is abutted against the lower insulating bush, the other end of the contact spring is abutted against the end face of the movable contact piece, the movable contact piece is provided with a mounting hole, the upper insulating bush is sleeved on the core rod and is fixedly connected with the core rod, the upper insulating bush is provided with an upper edge part of the upper insulating bush and a ring sleeve extending along the end face direction of the core rod, the ring sleeve is provided with an extending part arranged And (5) wrapping, wherein the upper edge part of the upper insulating bush is positioned on the end surface of one side of the movable contact piece and is used as a limiting block.
Through the scheme: the creepage distance of the product contact is increased, and the assembly structure of the product contact is adjusted: the length of upper and lower bush is prolonged on the part, and specific structure means: the ring sleeve is provided with an extension part which is positioned in a notch formed between the lower insulating bush and the core rod; after the elastic sheet is assembled, the lower bushing is placed on the core rod, the spring and the movable contact sheet assembly are placed, the upper insulating bushing and the gasket are placed, and the upper insulating bushing and the gasket are fixed by the bayonet ring, so that the surface distance between the movable contact sheet assembly and the metal piece is increased, and the insulation and voltage resistance grades of a product load loop, other metal pieces and a power-on part are improved;
preferably, the upper insulation bushing and the core bar are fixedly connected in the following manner: the end part of the core rod is provided with a clamping groove, the upper edge part of the upper insulating bush is provided with an inner concave area, the clamping groove of the core rod is positioned in the inner concave area, the inner concave area is provided with a gasket, and the clamping groove is provided with a clamping groove gasket.
Preferably, the base assembly comprises a base and a stationary contact piece, the stationary contact piece is mounted on the base and is arranged adjacent to the movable contact piece, the stationary contact piece is provided with a stationary contact point, and a contact space for the movable contact point to move towards the stationary contact point when the core rod moves is formed in the stationary contact point and the movable contact point which are opposite to each other.
Preferably, the base is provided with a sealing ring clamping groove, a sealing ring is arranged in the sealing ring clamping groove, and a chamfer capable of pressing the sealing ring during installation is arranged on an installation surface of the outer housing, which is contacted with the base.
Preferably, the base and the outer casing are fixed by riveting with rivets.
In order to increase the protection grade of a product, a clamping groove for placing a sealing ring is arranged on a base, a chamfer for pressing the sealing ring is arranged on an outer housing, so that the sealing ring is deformed under pressure, and the base and the outer housing are fixed after being riveted by rivets;
preferably, the elastic sheet has an extending leg extending to the end face of the movable contact sheet and abutting against the movable contact sheet, and the extending leg has a folding area which is always in contact with the movable contact end face.
Preferably, the resilient tab is bowl-shaped.
Preferably, coil pack includes yoke, iron core and coil former, and the yoke is processed into rail form framework, the coil former install in rail form framework, the coil former is around in the iron core outside, rail form framework is opened there is the through-hole, the iron core divide into iron core and lower iron core, last iron core fixed mounting be outside tensile cover barrel-shaped in the bottom plate, the bottom plate opposite side is equipped with the end edge, this end edge is formed with interior concave cavity around being formed with, the last iron core that corresponds has and is in the mating holes in same axle center with interior concave cavity, foretell cyclic annular spacing platform is arranged in interior concave cavity, lower iron core is located iron core below and installs return spring between the two.
Preferably, the difference between the extension end surface of the upper bushing and the lower bushing end surface is as follows: 0.5-3 cm.
Through the scheme: to achieve the service life of the product; at present, a moving plate component of a direct current contactor is jacked up by a spring, and is slightly inclined from left to right, so that the contact time of two contacts in the product action process is inconsistent, the synchronization time is poor, and the service life of a product is seriously damaged; greatly prolonging the service life of the product.
In conclusion, the beneficial effects of the invention are as follows:
1. the insulation and voltage resistance of the product load loop, other metal pieces and the electrified part are improved;
the product improves the insulation and voltage resistance of a product load loop, other metal pieces and a power-on part by adjusting and designing the assembly structure of the product contact, and enlarges the market of the product.
2. The protection level of the product is improved, so that the product can work in a harsher environment.
3. The service life of the product is prolonged.
This scheme simple structure has elasticity through simple design, has reached the effect of catapult, replaces the setting of present catapult subassembly, and is convenient in the use, also solves the relatively poor problem of elastic effect appears along with the live time of catapult subassembly for a long time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a structural diagram of a waterproof direct current normally open contactor of the present invention:
fig. 2 is a spring sheet structure diagram of the waterproof normally open dc contactor of the invention:
fig. 3 and 4 are structural views of a core bar assembly of the waterproof normally open dc contactor of the present invention;
FIG. 5 is a structural diagram of an outer casing of the waterproof normally-open DC contactor according to the present invention;
FIG. 6 is a block diagram of the base assembly of the waterproof normally open DC contactor of the present invention;
fig. 7 is a structural view of a coil assembly of the waterproof normally open dc contactor of the present invention;
FIG. 8 is a schematic illustration of the assembly of the mandrel bar assembly to the riveted coil assembly;
fig. 9 is a structural view of the waterproof normally open dc contactor of the present invention;
fig. 10 is a partially enlarged view of fig. 1.
In the figure: 1-base, 2-static contact piece, 3-static contact, 4-movable contact, 5-movable contact piece, 6-elastic piece, 7-contact spring, 8-neck gasket, 9-gasket, 10-upper insulating bushing, 11-lower insulating bushing, 12-core bar, 13-outer cover shell, 14-yoke iron, 15-coil rack, 16-lower iron core, 17-return spring, 18-upper iron core, 19-bottom plate, 20-sealing ring, 21-chamfer, 22-upper edge, 23-inner concave area, 24-annular limiting table, 60-matching hole, 61-extending leg wing, 101-limiting block, 110-lower insulating bushing end face 191-sleeve shape, 192, matching hole, 193-end edge, 194-inner concave cavity, 140-through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 10 in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
As shown in fig. 1 to 10, the invention discloses a waterproof normally open dc contactor, which comprises a base assembly, a coil assembly, an outer casing and a core bar assembly, wherein the base assembly and the outer casing are installed in a matching manner to form an inner cavity, the coil assembly and the core bar assembly are installed in the inner cavity, the core bar assembly comprises a core bar 12, a movable contact piece 5, a movable contact 4, an upper insulating bush 10, a lower insulating bush 11, a contact spring 7 and a spring plate 6, the movable contact 4 is installed on the movable contact piece 5, the core bar 12 is provided with an annular limiting table 24, the lower insulating bush is sleeved on the core bar 12 and is arranged on the end surface of the annular limiting table, the spring plate 6 is sleeved on the core bar and is positioned above the lower insulating bush, one end of the contact spring is abutted against the lower insulating bush, the other end is abutted against the end surface of the movable contact piece, the movable contact piece is provided with an installation hole, the upper insulating bush has an upper edge 22 of the upper insulating bush and a ring sleeve extending along the direction of the end face of the core rod, the ring sleeve has an extension part 100 positioned in a notch formed between the lower insulating bush and the core rod, the end face of the extension part 100 forms a height difference A relative to the end face 110 of the lower insulating bush and the extension part is wrapped by the lower insulating bush 11, and the upper edge 22 of the upper insulating bush is positioned on the end face of one side of the movable contact and serves as a limit block 101. Referring to fig. 10, the upper insulation bushing and the core bar are fixedly connected in the following manner: the end part of the core rod is provided with a clamping groove, the upper edge part 22 of the upper insulating bush is provided with an inner concave area 23, the clamping groove of the core rod is positioned in the inner concave area 23, the inner concave area is provided with a gasket 9, and the clamping groove is provided with a clamping groove gasket 8.
The distance between the movable contact piece assembly and the surface of the metal piece is increased, so that the insulation and voltage resistance grades of a product load loop, other metal pieces and an electrified part are improved, and the metal pieces refer to the following steps: all metal parts except the movable contact piece and the movable contact on the core bar component, and the core bar component is connected with the magnetic pole, the bottom plate and the yoke iron on the coil, which means that the insulation distance between the movable contact piece component and the coil is increased;
the base is provided with a sealing ring clamping groove 20, a sealing ring is arranged in the sealing ring clamping groove 20, and a chamfer 21 capable of pressing the sealing ring when the outer housing is installed is arranged on an installation surface contacted with the base.
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 3 and 4, the waterproof normally open dc contactor of the present invention includes a core bar assembly: assembling the lower insulating bush 11 on the core rod 12, assembling the elastic sheet 6, and then assembling the contact spring 7; riveting or welding the movable contact 4 on the movable contact piece 5 to form a movable contact piece assembly; the movable contact piece assembly is assembled on the contact spring 7, then the lower insulating bush 11 is assembled, the upper clamping groove gasket 8 is assembled and fixed after the gasket 9 is assembled, the elastic piece 6 is provided with an extending leg 61 and a matching hole 60, the extending leg extends towards and is abutted against the end face of the movable contact piece, the extending leg is provided with a folding area, the folding area is always contacted with the end face of the movable contact piece, the smoothness of the movable contact piece assembly is ensured, and the two contacts can be ensured to be contacted simultaneously in the action process; greatly prolonging the service life of the product.
As shown in fig. 6, the base assembly of the waterproof normally open dc contactor according to the present invention is installed in the following manner: riveting or welding the static contact 3 on the static contact piece 2, inserting the static contact into the base 1, performing sealing and baking treatment on a gap between the static contact piece 2 and the base 1, and then assembling the sealing ring 20 in a groove arranged on the base 1;
as shown in fig. 7, the coil assembly of the waterproof normally open dc contactor according to the present invention is installed as follows: placing the coil frame 15 wound with the enameled wire into the yoke 14, riveting or welding the magnetic pole 18 on the bottom plate 19, and then riveting or welding the bottom plate and the yoke into a whole; in particular: coil pack includes yoke 14, iron core and coil former 15, and yoke 14 processes into rail form framework, coil former 15 install in rail form framework, the coil former encloses in the iron core outside, rail form framework is opened has through-hole 140, the iron core divide into iron core 18 and lower iron core 16, last iron core 18 fixed mounting be outside tensile sleeve form 191 in the bottom plate, the bottom plate opposite side is equipped with end edge 193, this end edge is around being formed with interior concave cavity, corresponding last iron core 18 has and is in the mating holes 192 of same axle center with interior concave cavity, foretell cyclic annular spacing platform 24 is arranged in interior concave cavity 194. Wherein be formed with between interior concave cavity and the cyclic annular spacing platform terminal surface and be used for the caulking groove that insulating bush inlays and inserts down, the cooperation is compacter, increases the leakproofness.
As shown in fig. 8, in the waterproof normally open dc contactor of the present invention, the assembled core bar assembly is assembled in the riveted coil assembly, the return spring 17 is assembled on the other side of the coil assembly, the lower iron core 16 is assembled in the thread arranged on the core bar 12, and the lower iron core 16 and the core bar 12 are fixed into a whole by welding or sealing;
as shown in fig. 1 and 9, in the waterproof normally open dc contactor according to the present invention, the assembled base component and the assembled coil component are assembled into a whole by a standard component screw, and then are mounted in the outer housing 13 and riveted into a whole by a rivet.
The working process of the invention is as follows: after the enameled wire is electrified, a magnetic field is generated, the magnetic field enables the iron core 16 to be attracted to the magnetic pole 18, the core rod 12 is driven to enable the movable contact 4 on the movable contact piece 5 to be in contact with the fixed contact 3 on the fixed contact piece 2, and the contactor is in a conducting state; after the enameled wire is powered off, the iron core 16 is separated from the magnetic pole 18 by the elastic force of the return spring 17, so that the movable contact 4 is disconnected from the fixed contact 3, and the contactor is in a disconnected state.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a waterproof normally open DC contactor, includes base subassembly, coil pack, outer housing and core bar subassembly, and the base subassembly is formed with interior appearance chamber with outer housing cooperation installation, and coil pack and core bar unit mount are in interior appearance chamber, its characterized in that: the core rod assembly comprises a core rod, a movable contact piece, a movable contact, an upper insulating bush, a lower insulating bush, a contact spring and an elastic piece, wherein the movable contact is arranged on the movable contact piece, the core rod is provided with an annular limiting table, the lower insulating bush is sleeved on the core rod and is arranged on the end face of the annular limiting table, the coil assembly is provided with a bottom plate, the core rod penetrates through the bottom plate and is connected with the coil assembly, the elastic piece is sleeved on the core rod and is arranged above the lower insulating bush, one end of the contact spring is abutted against the lower insulating bush, the other end of the contact spring is abutted against the end face of the movable contact piece, the movable contact piece is provided with a mounting hole, the upper insulating bush is sleeved on the core rod and is fixedly connected with the core rod, the upper insulating bush is provided with an upper edge part of the upper insulating bush and a ring sleeve extending along the end face direction of the core rod, the ring sleeve is provided with an extending part arranged And (5) wrapping, wherein the upper edge part of the upper insulating bush is positioned on the end surface of one side of the movable contact piece and is used as a limiting block.
2. The waterproof normally open direct current contactor according to claim 1, characterized in that: the upper insulation bushing and the core rod are fixedly connected in the following mode: the end part of the core rod is provided with a clamping groove, the upper edge part of the upper insulating bush is provided with an inner concave area, the clamping groove of the core rod is positioned in the inner concave area, the inner concave area is provided with a gasket, and the clamping groove is provided with a clamping groove gasket.
3. The waterproof normally open direct current contactor according to claim 1, characterized in that: the base component comprises a base and a static contact piece, the static contact piece is arranged on the base and is adjacent to the movable contact piece, the static contact piece is provided with a static contact point, and a contact space for the movable contact point to move to the static contact point when the core rod acts is formed by oppositely arranging the static contact point and the movable contact point.
4. The waterproof normally open direct current contactor of claim 3, characterized in that: the base is provided with a sealing ring clamping groove, a sealing ring is arranged in the sealing ring clamping groove, and a chamfer capable of pressing the sealing ring during installation is arranged on the installation surface of the outer housing, which is contacted with the base.
5. The waterproof normally open direct current contactor of claim 4, characterized in that: the base and the outer housing are fixed through rivet riveting or lock nuts.
6. The waterproof normally open direct current contactor according to claim 1, characterized in that: the elastic sheet is provided with extending foot wings which extend towards the end face of the movable contact piece and are in contact with the movable contact piece, and the extending foot wings are provided with folding areas which are always in contact with the end face of the movable contact piece.
7. The waterproof normally open direct current contactor of claim 6, characterized in that: the spring plate is bowl-shaped.
8. The waterproof normally open direct current contactor according to claim 1, characterized in that: coil pack includes yoke, iron core and coil former, and the yoke is processed into rail form framework, the coil former install in rail form framework, the coil former encloses in the iron core outside, rail form framework is opened there is the through-hole, the iron core divide into iron core and lower iron core, last iron core fixed mounting be outside tensile cover tube-shape in the bottom plate, the bottom plate opposite side is equipped with the end edge, this end edge has interior concave cavity around being formed with, the last iron core that corresponds has the mating holes that is in same axle center with interior concave cavity, foretell annular spacing platform is arranged in interior concave cavity, lower iron core is located iron core below and installs return spring between the two.
9. The waterproof normally open direct current contactor according to claim 1, characterized in that: an embedding groove used for embedding and inserting the lower insulating bush is formed between the inner concave cavity and the end face of the annular limiting table.
10. The waterproof normally open direct current contactor according to any one of claims 1 to 9, characterized in that: the difference length of the extension part end surface of the upper bushing to the lower bushing end surface is as follows: 0.5-3 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911054441.9A CN110600328B (en) | 2019-10-31 | 2019-10-31 | Waterproof normally open direct current contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911054441.9A CN110600328B (en) | 2019-10-31 | 2019-10-31 | Waterproof normally open direct current contactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110600328A true CN110600328A (en) | 2019-12-20 |
| CN110600328B CN110600328B (en) | 2024-04-16 |
Family
ID=68852256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911054441.9A Active CN110600328B (en) | 2019-10-31 | 2019-10-31 | Waterproof normally open direct current contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110600328B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116844919A (en) * | 2023-09-01 | 2023-10-03 | 新乡市景弘电气有限公司 | Electromagnetic relay capable of being rapidly broken |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5909067A (en) * | 1996-09-03 | 1999-06-01 | Valeo Equipements Electriques Moteur | Motor vehicle starter contactor incorporating an auxiliary control relay |
| WO2004105068A1 (en) * | 2003-05-20 | 2004-12-02 | Magneton A.S. | Arrangement of the mobile core of the solenoid of the starter switch of internal combustion engines, comprising a connection for the terminal board and electric motor contacts |
| US20090066450A1 (en) * | 2006-05-12 | 2009-03-12 | Omron Corporation | Electromagnetic relay, and method and system for adjusting same |
| CN202111008U (en) * | 2011-01-18 | 2012-01-11 | 贵州天义电器有限责任公司 | Direct current contactor |
| WO2016029537A1 (en) * | 2014-08-25 | 2016-03-03 | 深圳市品川新智科技发展有限公司 | High-voltage direct-current contactor |
| CN106128857A (en) * | 2016-08-25 | 2016-11-16 | 昆山国力源通新能源科技有限公司 | D.C. contactor |
| CN208027982U (en) * | 2018-03-22 | 2018-10-30 | 长沙中坤电气科技股份有限公司 | A kind of relay inner protective structure |
| CN209487419U (en) * | 2019-02-12 | 2019-10-11 | 南京全宁电器有限公司 | Contactor |
| CN210722890U (en) * | 2019-10-31 | 2020-06-09 | 浙江东亚电子有限公司 | Waterproof normally-open direct current contactor |
-
2019
- 2019-10-31 CN CN201911054441.9A patent/CN110600328B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5909067A (en) * | 1996-09-03 | 1999-06-01 | Valeo Equipements Electriques Moteur | Motor vehicle starter contactor incorporating an auxiliary control relay |
| WO2004105068A1 (en) * | 2003-05-20 | 2004-12-02 | Magneton A.S. | Arrangement of the mobile core of the solenoid of the starter switch of internal combustion engines, comprising a connection for the terminal board and electric motor contacts |
| US20090066450A1 (en) * | 2006-05-12 | 2009-03-12 | Omron Corporation | Electromagnetic relay, and method and system for adjusting same |
| CN202111008U (en) * | 2011-01-18 | 2012-01-11 | 贵州天义电器有限责任公司 | Direct current contactor |
| WO2016029537A1 (en) * | 2014-08-25 | 2016-03-03 | 深圳市品川新智科技发展有限公司 | High-voltage direct-current contactor |
| CN106128857A (en) * | 2016-08-25 | 2016-11-16 | 昆山国力源通新能源科技有限公司 | D.C. contactor |
| CN208027982U (en) * | 2018-03-22 | 2018-10-30 | 长沙中坤电气科技股份有限公司 | A kind of relay inner protective structure |
| CN209487419U (en) * | 2019-02-12 | 2019-10-11 | 南京全宁电器有限公司 | Contactor |
| CN210722890U (en) * | 2019-10-31 | 2020-06-09 | 浙江东亚电子有限公司 | Waterproof normally-open direct current contactor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116844919A (en) * | 2023-09-01 | 2023-10-03 | 新乡市景弘电气有限公司 | Electromagnetic relay capable of being rapidly broken |
| CN116844919B (en) * | 2023-09-01 | 2024-01-16 | 新乡市景弘电气有限公司 | Electromagnetic relay capable of being rapidly broken |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110600328B (en) | 2024-04-16 |
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