CN1996533B - A magnetic self-perpetuating relay for the over current protection - Google Patents
A magnetic self-perpetuating relay for the over current protection Download PDFInfo
- Publication number
- CN1996533B CN1996533B CN200610123719XA CN200610123719A CN1996533B CN 1996533 B CN1996533 B CN 1996533B CN 200610123719X A CN200610123719X A CN 200610123719XA CN 200610123719 A CN200610123719 A CN 200610123719A CN 1996533 B CN1996533 B CN 1996533B
- Authority
- CN
- China
- Prior art keywords
- overcurrent protection
- solenoid
- relay
- loop
- pedestal
- 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.)
- Expired - Fee Related
Links
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
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
- H01H50/24—Parts rotatable or rockable outside coil
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/44—Magnetic coils or windings
- H01H50/443—Connections to coils
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
This invention discloses one magnetic keep relay with overflow protection, which comprises base socket and electromagnetic coil on socket, wherein, the base socket two ends are set with yoke iron; two irons are set with drive arm bus between; one side of base socket is set the drive arm bus trigger slice. The invention is characterized by the following: the said electromagnetic line loop is set with overflow protection coil with two ends connected to supply circuit and load, and trigger slices.
Description
Technical field
The present invention relates to the magnetic latching relay field, is a kind of magnetic latching relay with overcurrent protection specifically.
Background technology
At present, common magnetic latching relay, its structure generally comprises pedestal, and solenoid and the yoke of being located at the support two ends are provided with between two yokes and lift up arm, and support one side is provided with movable contact spring and reaches and static contact spring piece, lifts up arm and drives the movable contact spring action by middle contiguous block.When solenoid pass to various flows to pulse current the time, the magnetic field force that it produced makes lifts up arm swing, contiguous block and movable contact spring are thereupon driving and swing by lifting up arm, and then realize movable contact spring and static contact spring piece touch from, reach the closed or disconnection of control circuit, thereafter, magnetic latching relay will be remembered current state, reaches the energy-saving effect of relay.Yet; on the loop of practical application magnetic latching relay; for circuit has the necessary security protection; the general purpose that all on the loop, reaches overcurrent protection with electronic detecting device; but when short circuit appearred in the loop, electronic detecting device did not just have due protective effect, and relay and current supply circuit can be burnt rapidly; cause security incident, reduce the security reliability of load circuit.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of when loop overcurrent and short circuit the effective magnetic latching relay of protective circuit, safe and reliable band overcurrent protection.
Goal of the invention of the present invention is achieved in that a kind of magnetic latching relay with overcurrent protection; comprise pedestal and the solenoid of being located on the pedestal; the pedestal two ends respectively are provided with yoke; be provided with the actuating arm assembly between two yokes; pedestal one side is provided with can be by the contact of actuating arm assembly drive; it is characterized in that: the flux loop of described solenoid is provided with the overcurrent protection coil, and two terminals of overcurrent protection coil are connected with power supply circuits, load and contact loop.
Described overcurrent protection coil is coaxial and inside and outside setting with solenoid.
Described overcurrent protection coil is coaxial and upper and lower settings with solenoid.
The present invention compares with the magnetic latching relay of prior art, has the following advantages:
Be provided with the overcurrent protection coil on the flux loop of electromagnetic coil relay, two terminals of overcurrent protection coil are connected with power supply circuits, load and contact loop.When overcurrent or short circuit appear in the loop; when loop current surpasses the default threshold current of overcurrent protection coil; the overcurrent protection coil will produce enough big magnetic field force and make the magnetic latching relay upset; driving contact separates and cutoff circuit; and by relay itself with current state memory, effectively the circuit loop, safe and reliable of overcurrent or short circuit appears in protection.
Description of drawings
Accompanying drawing 1 is the structural representation of most preferred embodiment of the present invention.
Accompanying drawing 2 is the structural representation of the embodiment of the invention 2.
Accompanying drawing 3 is the structural representation of the embodiment of the invention 3.
Accompanying drawing 4 is the structural representation of the embodiment of the invention 4.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
According to illustrated in figures 1 and 2, the magnetic latching relay of band overcurrent protection of the present invention comprises pedestal 1 and the solenoid of being located on the pedestal 12, generally also is provided with iron cores in the middle of the solenoid 2.Pedestal 1 two ends respectively are provided with yoke 3, be provided with actuating arm assembly 4 between two yokes 3, actuating arm assembly 4 passes through the connector activity orientation between two yokes, generally also have magnet steel in it, wherein, actuating arm assembly 4 can be rotary structure, as depicted in figs. 1 and 2, also can be straight portable structure, as shown in Figure 3 and Figure 4.Pedestal 1 one sides are provided with contact, contact can be double reed sheet structure, also can be many reed structures, and comprise at least one group of normally closed or static contact spring piece often opened and the movable contact spring that can drive by actuating arm assembly 4, when solenoid 2 pass to various flows to pulse current, actuating arm assembly 4 just drives movable contact spring action, realize movable contact spring and static contact spring piece touch from, reach the closed or disconnection of control circuit.Simultaneously; for making magnetic latching relay have overcurrent and short-circuit protection ability; on the flux loop of solenoid 2, be provided with overcurrent protection coil 6; two terminals of overcurrent protection coil 6 are connected with power supply circuits, load 7 and contact loop; and; produce the misoperation phenomenons for fear of overcurrent protection coil 6, under the situation about allowing in the loop, the threshold values that overcurrent protection coil 6 calculates the protective current of setting should be the loop rated current several times or more than.And, according to practical design and manufacturing requirement, overcurrent protection coil 6 and solenoid 2 coaxial and inside and outside settings, the outside that overcurrent protection coil 6 should be placed in solenoid 2 is for best, and between overcurrent protection coil 6 and solenoid 2, isolate with sufficient insulation, as shown in figures 1 and 3; Simultaneously, overcurrent protection coil 6 also can be with being located in the insulating protective layer and upper and lower settings, as Fig. 2 and shown in Figure 4 with solenoid 2.When overcurrent or short circuit appear in the loop; when loop current surpasses the default threshold current of overcurrent protection coil 6; overcurrent protection coil 6 will produce enough big magnetic field force and make the magnetic latching relay upset; driving two contacts separates and cutoff circuit; and the current state of contact is promptly remembered by relay; make circuit remain on off-state, effectively protection the circuit loop of overcurrent or short circuit occurs, has improved the security reliability of circuit greatly.
Claims (3)
1. magnetic latching relay with overcurrent protection; comprise pedestal (1) and be located at solenoid (2) on the pedestal (1); pedestal (1) two ends respectively are provided with yoke (3); be provided with actuating arm assembly (4) between two yokes (3); pedestal (1) one side is provided with can be by the contact (5) of actuating arm assembly (4) drive; it is characterized in that: the flux loop of described solenoid (2) is provided with overcurrent protection coil (6), and two terminals of overcurrent protection coil (6) are connected with power supply circuits, load (7) and contact (5) loop.
2. according to the described magnetic latching relay of claim 1, it is characterized in that: described overcurrent protection coil (6) and the coaxial and inside and outside setting of solenoid (2).
3. according to the described magnetic latching relay of claim 1, it is characterized in that: described overcurrent protection coil (6) and the coaxial and upper and lower settings of solenoid (2).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610123719XA CN1996533B (en) | 2006-11-22 | 2006-11-22 | A magnetic self-perpetuating relay for the over current protection |
| PCT/CN2007/003256 WO2008061441A1 (en) | 2006-11-22 | 2007-11-19 | Magnetic latching relay with over-current proctection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610123719XA CN1996533B (en) | 2006-11-22 | 2006-11-22 | A magnetic self-perpetuating relay for the over current protection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1996533A CN1996533A (en) | 2007-07-11 |
| CN1996533B true CN1996533B (en) | 2010-10-06 |
Family
ID=38251571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610123719XA Expired - Fee Related CN1996533B (en) | 2006-11-22 | 2006-11-22 | A magnetic self-perpetuating relay for the over current protection |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1996533B (en) |
| WO (1) | WO2008061441A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103367065A (en) * | 2012-04-05 | 2013-10-23 | 厦门赛尔特电子有限公司 | Current-limiting fuse with overcurrent and short circuit protection |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1996533B (en) * | 2006-11-22 | 2010-10-06 | 陆德昌 | A magnetic self-perpetuating relay for the over current protection |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4532570A (en) * | 1981-05-22 | 1985-07-30 | Lucas Industries | Relay circuit and relay therefor |
| CN2295271Y (en) * | 1996-10-28 | 1998-10-21 | 康兆春 | Megnetic high-power-keeping pulse bistable relay |
| CN2704105Y (en) * | 2004-05-10 | 2005-06-08 | 齐长武 | Automatic protective relay for automobile circuit short |
| CN201004437Y (en) * | 2006-11-22 | 2008-01-09 | 陆德昌 | A magnetic holding relay with over-current protection |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07335089A (en) * | 1994-06-06 | 1995-12-22 | Fuji Electric Co Ltd | Overcurrent relay |
| CN2750456Y (en) * | 2004-11-16 | 2006-01-04 | 乐清市格蕾特电子电器有限公司 | Magnetic latching relay |
| CN1996533B (en) * | 2006-11-22 | 2010-10-06 | 陆德昌 | A magnetic self-perpetuating relay for the over current protection |
-
2006
- 2006-11-22 CN CN200610123719XA patent/CN1996533B/en not_active Expired - Fee Related
-
2007
- 2007-11-19 WO PCT/CN2007/003256 patent/WO2008061441A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4532570A (en) * | 1981-05-22 | 1985-07-30 | Lucas Industries | Relay circuit and relay therefor |
| CN2295271Y (en) * | 1996-10-28 | 1998-10-21 | 康兆春 | Megnetic high-power-keeping pulse bistable relay |
| CN2704105Y (en) * | 2004-05-10 | 2005-06-08 | 齐长武 | Automatic protective relay for automobile circuit short |
| CN201004437Y (en) * | 2006-11-22 | 2008-01-09 | 陆德昌 | A magnetic holding relay with over-current protection |
Non-Patent Citations (1)
| Title |
|---|
| CN 201004437 Y,权利要求1-3. |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103367065A (en) * | 2012-04-05 | 2013-10-23 | 厦门赛尔特电子有限公司 | Current-limiting fuse with overcurrent and short circuit protection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1996533A (en) | 2007-07-11 |
| WO2008061441A1 (en) | 2008-05-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Guangdong Kailesi Optoelectronics Technology Co., Ltd. Assignor: Lu Dechang Contract record no.: 2010440001506 Denomination of invention: A magnetic self-perpetuating relay for the over current protection Granted publication date: 20101006 License type: Exclusive License Open date: 20070711 Record date: 20101202 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101006 Termination date: 20121122 |