CN202217627U - Magnetic latching relay - Google Patents
Magnetic latching relay Download PDFInfo
- Publication number
- CN202217627U CN202217627U CN2011202519838U CN201120251983U CN202217627U CN 202217627 U CN202217627 U CN 202217627U CN 2011202519838 U CN2011202519838 U CN 2011202519838U CN 201120251983 U CN201120251983 U CN 201120251983U CN 202217627 U CN202217627 U CN 202217627U
- Authority
- CN
- China
- Prior art keywords
- contact
- latching relay
- magnetic latching
- moving
- armature
- 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 - Lifetime
Links
Images
Landscapes
- Electromagnets (AREA)
Abstract
The utility model discloses a magnetic latching relay which comprises a pedestal and a cover. The pedestal is provided with an electromagnetic system, a contact support and two contact systems. The electromagnetic system is disposed in the center of the pedestal, and comprises a coil frame, a coil, a magnet yoke and a permanent magnetic operation mechanism. The two contact systems are respectively arranged on the two sides of the electromagnetic system. Each contact system comprises a static contact assembly and a moving contact assembly, wherein the static contact assembly and the moving contact assembly are arranged facing to each other. Each moving contact assembly comprises a moving reed, a coupling plate, a pair of moving contacts and a pair of final pressure reed. The center of the contact support is arranged on the top of a rocking arm. The two ends of the contact support are respectively facing the final pressure reeds of the two moving contact assembly. The magnetic latching relay has the advantages of large in motion scope, low contact resistance and low contact temperature rise. Pre-compressed overtravel is designed on the moving and static contacts so that pre-compression is provided as long as the moving contacts are contacted with the static contacts, thereby guaranteeing the work reliability of the relay.
Description
Technical field
The utility model relates to the low-voltage electrical apparatus field, relay especially, specifically a kind of magnetic latching relay.
Background technology
Magnetic latching relay is widely used in every field such as the electrical equipment, electric power, office, communication, Aero-Space of current social.The magnetic latching relay electromagnetic system uses permanent magnet to replace traditional coil magnetization.During magnetic latching relay work, only need to add its adhesive of a pulse enable signal, need not to switch on for a long time excitation, therefore have the characteristic of low-power consumption, and adhesive is reliable to coil.Thereby satisfied current social energy conservation and environment protection.
Existing magnetic latching relay, the magnetic latching relay that uses with present electricity card Fee Schedule is example, Chinese patent ZL96238939.0 as shown in Figure 1; It is by the coil electricity excitation; Produce the magnetic identical or opposite, armature is rotated, force push card to move with permanent magnet polarity; At this moment main contacts 5 ', 6 ' closed simultaneously with microcontact 7 ' or separate, circuit is switched on or breaks off.Adopt this scheme, the sound contact has only a pair of, and resistance is big, temperature rise; The excess of stroke is produced by the movable contact spring self-deformation, and the dynamic/static contact spacing is bigger, makes that total kilometres are bigger than normal and the excess of stroke is less than normal; The contacting confining force is about 3N, and the contact contact resistance is 1m Ω; Its load is resistive load 40A220VAC, and be 10,000 useful life.
To sum up, the magnetic latching relay of said structure mainly has following defective: the one, and contact system is distributed in magnet steel the same side, and the contact support is longer, therefore needs bigger magnetic system structure to produce very big suction; The 2nd, contact over travel is produced by the copper movable contact spring self-deformation on the moving contact, and contact pressure is unstable, does not have the enough big excess of stroke, and relay work is unreliable; The 3rd, every group of contact is by a pair of sound contact on-off circuit, and contact resistance is big, temperature rise; The 4th, unshakable in one's determination and yoke riveted joint, complex process.
Summary of the invention
The utility model will solve is the problems referred to above that prior art exists, and aims to provide a kind of compact conformation, contact resistance is little, temperature rise is lower, the simple magnetic latching relay of technology.
For addressing the above problem, the utility model adopts following technical scheme: a kind of magnetic latching relay, comprise base and cover, and be provided with electromagnetic system, contact support and two contact systems in the described pedestal, it is characterized in that:
Described electromagnetic system places in the middle of the described pedestal, comprises coil rack, coil, yoke and permanent-magnet manipulating mechanism, and described permanent-magnet manipulating mechanism comprises rocking arm, armature and permanent magnet; Described rocker arm shaft is connected on the described pedestal, and can rotate around the axis, and described armature and permanent magnet are arranged on the described rocking arm, and disposes relatively with described yoke;
Described two contact systems place described electromagnetic system both sides respectively; Each contact system comprises a fixed contact assembly and moving contact component of relative configuration, and described each moving contact component comprises a movable contact spring, gusset piece, a pair of moving contact and an a pair of end pressure reed; Described movable contact spring one end is fixed on the described gusset piece, and described a pair of moving contact and a pair of end pressure reed are separately fixed at the free-ended both sides of said movable contact spring;
The middle part of said contact support is arranged on the top of said rocking arm, and the two ends of said contact support dispose with the end pressure reed of said two moving contact components respectively relatively.
The magnetic latching relay of the utility model has the following advantages:
1, changes an existing side on the overall structure and distributed, contact system has been placed the electromagnetic system both sides, increased the contact lever ratio; Make the bigger contact pressure of acquisition under the less prerequisite of On-line Product circle power consumption; Improve the product actuating range, reduce the product design size, make product compact more attractive in appearance;
2, on every group of contact two groups of sound contacts are arranged respectively, increased contact-making surface, reduced contact resistance and contact temperature rise;
3, the end pressure reed is set on the moving contact, contact terminate pressure is mainly produced by the distortion of end pressure reed.The design precompressed excess of stroke on dynamic/static contact makes dynamic/static contact when contact, precompression arranged, and has guaranteed the reliability of relay work.
As the further improvement of the utility model, described movable contact spring is built up by 3 copper foils.Described movable contact spring is " U " shape, and is riveted on the described gusset piece, effectively utilizes electric power that product can connected under big current conditions reliably, the scaling loss of avoiding the spring of contact to bring.
As further improving again of the utility model, described yoke is a pair of, and the L-shaped structure of each yoke comprises a long slab, a short slab and an intermediate plate; Two long slabs of said two yokes are folded up and down the inserting in the described coil rack from both sides respectively, and two short slab opposite positions form a breach; Described permanent-magnet manipulating mechanism places in the described breach.
As further improving again of the utility model, described armature and the assembling of permanent magnet cordwood system type place described rocking arm.Specifically, described armature is two, and first armature, permanent magnet and second armature place in " worker " shape hole of offering on the said rocking arm with the folded mode of inserting successively; The end of described yoke places between said two armature.
According to the utility model, described coil is the centre tap structure, and intermediate ends is a common terminal, inserts positive pole, and left and right sides termination negative signal is controlled the connection and the disjunction of contact respectively.
According to the utility model, described coil also can be single winding, through connection and the disjunction of automatic commutator switch polarity with the control contact.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Fig. 1 is the prior art constructions sketch map.
Fig. 2 is the structural representation of the utility model magnetic latching relay.
Fig. 3 is the structural representation of the utility model permanent-magnet manipulating mechanism.
Fig. 4 is the structural representation of rocking arm.
Fig. 5 is the scheme of installation of the utility model yoke.
Fig. 6 is the structural representation of the utility model yoke and coil block.
Fig. 7 is the structural representation of the utility model moving contact group.
Fig. 8 is the left view of Fig. 6.
Fig. 9 is the sketch map of contact attracting state.
Figure 10 is the sketch map of contact off-state.
Embodiment
With reference to Fig. 2, a kind of magnetic latching relay of the utility model comprises pedestal 11 and lid (not shown), is provided with electromagnetic system, 8 and two contact systems of contact support in the described pedestal 11.
Described electromagnetic system places in the middle of the described pedestal 11, comprises coil rack 12, coil 9, yoke 10 and permanent-magnet manipulating mechanism 14, and described permanent-magnet manipulating mechanism 14 comprises Rocker arm 4, armature 5 and permanent magnet 6; Described Rocker arm 4 is coupling on described pedestal 11, and can rotate around axle 18, and described armature 5 is arranged on the described Rocker arm 4 with permanent magnet 6, and disposes relatively with described yoke 10.
With reference to Fig. 3 and Fig. 4, assembling places described Rocker arm 4 to the armature 5 of permanent-magnet manipulating mechanism 14 with permanent magnet 6 cordwood system types.Specifically.Described armature 5 is two, and first armature 5, permanent magnet 6 and second armature 5 place in " worker " shape hole 16 of offering on the said Rocker arm 4 with the folded mode of inserting successively; The end of described yoke 10 places between said two armature 5.Permanent magnet 6 tops are the S utmost point, and the below is the N utmost point.
With reference to Fig. 5 and Fig. 6, described yoke 10 is a pair of, and each yoke 10 is bent into " L " shape structure by a block length batten, comprises a long slab 20, a short slab 22 and an intermediate plate 21; Two long slabs 20 of said two yokes 10 are folded up and down the inserting in the described coil rack 12 from both sides respectively, and two short slab 22 opposite positions form a breach 17; Described permanent-magnet manipulating mechanism 14 places in the described breach 17.
With reference to Fig. 7 and Fig. 8, described two contact systems place described electromagnetic system both sides respectively, and each contact system comprises a fixed contact assembly and moving contact component of relative configuration.Described each moving contact component comprises a movable contact spring 2, gusset piece 13, a pair of moving contact 1 and an a pair of end pressure reed 3; Described movable contact spring 22 is " U " shape, is built up by 3 copper foils, and the one of which end is riveted on the described gusset piece 13.Described a pair of moving contact 1 and a pair of end pressure reed 3 are riveted on the free-ended both sides of said movable contact spring 2 respectively.
The middle part of said contact support 8 is arranged on the top of said Rocker arm 4, and said contact supports 8 two ends to dispose relatively with the end pressure reed 3 of said two moving contact components respectively.
Described coil 9 is the centre tap structure, is drawn by three pins, and intermediate ends is a common terminal, inserts positive pole, and left and right sides termination negative signal is controlled the connection and the disjunction of contact respectively.
The operation principle of the utility model is following: during work, the left side coil inserts signal makes its two ends produce magnetic field, sets up the N utmost point at yoke 10 left ends, and right-hand member is set up the S utmost point.Under the effect of electromagnetic field; Permanent-magnet manipulating mechanism 14 rotates counterclockwise and drives the Rocker arm 4 rotation; Be moved to the left thereby promote contact support 8, moving contact component supports 8 actions to contact with the fixed contact of fixed contact assembly 7 with contact, and end pressure reed 3 distortion under the thrust of contact support 8 simultaneously produces pressure; The sound contact reliably contacts, and the contact attracted position is as shown in Figure 9; The right side coil inserts signal makes its two ends produce magnetic field, and the direction in this magnetic field is just in time opposite with the front, and yoke 10 left ends are set up the S utmost point; Right-hand member is set up the N utmost point, and rocking arm clockwise rotates, and makes the contact support drive moving contact component and moves right; The sound contact separation, the contact open position is shown in figure 10.
The inductive load 80A230VAC of present embodiment, power factor 0.8, useful life is more than 40000 times; The contact pressure of each contact of double-contact is about 3N, and contact resistance can reach below the 0.3m Ω.
The concrete measured data of the foregoing description is following:
1. contact system
The 6000A electric current:
Loop electric power: 13.18N is suction;
Total Holm power at place, two contacts: 7N (under the situation of actual pressure 3N between each contact, calculating);
Total electric power 6.18N is suction.
2. electromagnet
The calculated data of electromagnet is as shown in table 1:
Table 1
| Torque (N*m) | Power (N) | |
| The permanent magnet confining force | -0.2164 | -16.030 |
| Voltage 2V | -0.1788 | -13.244 |
| Voltage 4V | -0.0955 | -7.074 |
| Voltage 6V | -0.0028 | -0.207 |
| Voltage 8V | 0.0190 | 1.407 |
| Voltage 10V | 0.0224 | 1.661 |
| Voltage 12V | 0.0240 | 1.778 |
What should be understood that is: the foregoing description is just to the explanation of the utility model, rather than to the restriction of the utility model, any utility model that does not exceed in the utility model connotation scope is created, and all falls within the protection range of the utility model.
Claims (8)
1. a magnetic latching relay comprises pedestal (11) and lid, is provided with electromagnetic system, contact support (8) and two contact systems in the described pedestal (11), it is characterized in that:
Described electromagnetic system places in the middle of the described pedestal (11), comprises coil rack (12), coil (9), yoke (10) and permanent-magnet manipulating mechanism (14), and described permanent-magnet manipulating mechanism (14) comprises rocking arm (4), armature (5) and permanent magnet (6); Described rocking arm (4) is coupling on described pedestal (11), and can rotate around axle (18), and described armature (5) and permanent magnet (6) are arranged on the described rocking arm (4), and disposes relatively with described yoke (10);
Described two contact systems place described electromagnetic system both sides respectively; Each contact system comprises a fixed contact assembly and moving contact component of relative configuration, and described each moving contact component comprises a movable contact spring (2), a gusset piece (13), a pair of moving contact (1) and a pair of end pressure reed (3); Described movable contact spring (2) one ends are fixed on the described gusset piece (13), and described a pair of moving contact (1) and a pair of end pressure reed (3) are separately fixed at the free-ended both sides of said movable contact spring (2);
The middle part of said contact support (8) is arranged on the top of said rocking arm (4), the two ends of said contact support (8) respectively with the configuration relatively of the end pressure reed (3) of said two moving contact components.
2. magnetic latching relay as claimed in claim 1 is characterized in that described movable contact spring (2) is built up by 3 copper foils.
3. magnetic latching relay as claimed in claim 2 is characterized in that described movable contact spring (2) is " U " shape, and is riveted on the described gusset piece (13).
4. magnetic latching relay as claimed in claim 1 is characterized in that described yoke (10) for a pair of, and each yoke (10) is bent into " L " shape structure by a block length batten, comprises a long slab (20), a short slab (22) and an intermediate plate (21); Two long slabs (20) of said two yokes (10) are folded up and down the inserting in the described coil rack (12) from both sides respectively, and two short slabs (22) opposite position forms a breach (17); Described permanent-magnet manipulating mechanism (14) places in the described breach (17).
5. magnetic latching relay as claimed in claim 4 is characterized in that the assembling of described armature (5) and permanent magnet (6) cordwood system type places described rocking arm (4).
6. magnetic latching relay as claimed in claim 5 is characterized in that described armature (5) is two, and first armature (5), permanent magnet (6) and second armature (5) place in " worker " shape hole (16) of offering on the said rocking arm (4) with the folded mode of inserting successively; The end of described yoke (10) places between said two armature (5).
7. magnetic latching relay as claimed in claim 1 is characterized in that described coil (9) is the centre tap structure, and intermediate ends is a common terminal, inserts positive pole, and left and right sides termination negative signal is controlled the connection and the disjunction of contact respectively.
8. magnetic latching relay as claimed in claim 1 is characterized in that described coil (9) is single winding, through connection and the disjunction of automatic commutator switch polarity with the control contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202519838U CN202217627U (en) | 2011-07-15 | 2011-07-15 | Magnetic latching relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202519838U CN202217627U (en) | 2011-07-15 | 2011-07-15 | Magnetic latching relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202217627U true CN202217627U (en) | 2012-05-09 |
Family
ID=46016868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202519838U Expired - Lifetime CN202217627U (en) | 2011-07-15 | 2011-07-15 | Magnetic latching relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202217627U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103247482A (en) * | 2013-05-22 | 2013-08-14 | 安徽永安电子科技有限公司 | Special transmission device with flexible shock absorption structure for magnetic latching relay |
| CN104091725A (en) * | 2014-07-29 | 2014-10-08 | 厦门宏发电力电器有限公司 | Large-current magnetic latching relay, movable contact spring of large-current magnetic latching relay, and contact assembly of large-current magnetic latching relay |
| WO2015070490A1 (en) * | 2013-11-15 | 2015-05-21 | 浙江正泰电器股份有限公司 | Bipolar magnetic holding relay |
| CN106128868A (en) * | 2016-08-19 | 2016-11-16 | 天津市百利电气有限公司 | The dropout of electronic overload relay and reset conversion equipment |
| CN106206174A (en) * | 2016-08-31 | 2016-12-07 | 昆山国力源通新能源科技有限公司 | Novel balance power formula magnetic latching contactor |
| CN106229223A (en) * | 2016-07-30 | 2016-12-14 | 贾晓轻 | Intelligent electric meter relay and intelligent electric meter |
| CN106298367A (en) * | 2016-08-19 | 2017-01-04 | 天津市百利电气有限公司 | Electronic overload relay actuator coil device |
| CN107644786A (en) * | 2017-11-03 | 2018-01-30 | 三友联众集团股份有限公司 | A kind of limit-type relay of push jack |
| CN107658187A (en) * | 2017-10-23 | 2018-02-02 | 三友联众集团股份有限公司 | A kind of armature component Improvement type relay |
| CN110265264A (en) * | 2019-05-27 | 2019-09-20 | 浙江格蕾特电器股份有限公司 | Novel moving contact component and relay |
| CN113078031A (en) * | 2021-04-02 | 2021-07-06 | 浙江安迅电气股份有限公司 | Safe and stable magnetic latching relay and voltage regulating device thereof |
-
2011
- 2011-07-15 CN CN2011202519838U patent/CN202217627U/en not_active Expired - Lifetime
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103247482A (en) * | 2013-05-22 | 2013-08-14 | 安徽永安电子科技有限公司 | Special transmission device with flexible shock absorption structure for magnetic latching relay |
| CN103247482B (en) * | 2013-05-22 | 2015-11-11 | 安徽永安电子科技有限公司 | The transmission device of magnetic latching relay band special flexible damping structure |
| WO2015070490A1 (en) * | 2013-11-15 | 2015-05-21 | 浙江正泰电器股份有限公司 | Bipolar magnetic holding relay |
| US9899174B2 (en) | 2013-11-15 | 2018-02-20 | Chint Electronics Co., Ltd. | Bipolar magnetic latching relay |
| CN104091725A (en) * | 2014-07-29 | 2014-10-08 | 厦门宏发电力电器有限公司 | Large-current magnetic latching relay, movable contact spring of large-current magnetic latching relay, and contact assembly of large-current magnetic latching relay |
| CN104091725B (en) * | 2014-07-29 | 2016-05-18 | 厦门宏发电力电器有限公司 | Large current magnetic holding relay and movable contact spring thereof, contact assembly |
| CN106229223B (en) * | 2016-07-30 | 2018-02-16 | 国网山东省电力公司济南供电公司 | A kind of intelligent electric meter |
| CN106229223A (en) * | 2016-07-30 | 2016-12-14 | 贾晓轻 | Intelligent electric meter relay and intelligent electric meter |
| CN106298367A (en) * | 2016-08-19 | 2017-01-04 | 天津市百利电气有限公司 | Electronic overload relay actuator coil device |
| CN106128868A (en) * | 2016-08-19 | 2016-11-16 | 天津市百利电气有限公司 | The dropout of electronic overload relay and reset conversion equipment |
| CN106206174B (en) * | 2016-08-31 | 2018-01-23 | 昆山国力源通新能源科技有限公司 | Balanced force type magnetic latching contactor |
| CN106206174A (en) * | 2016-08-31 | 2016-12-07 | 昆山国力源通新能源科技有限公司 | Novel balance power formula magnetic latching contactor |
| CN107658187A (en) * | 2017-10-23 | 2018-02-02 | 三友联众集团股份有限公司 | A kind of armature component Improvement type relay |
| CN107644786A (en) * | 2017-11-03 | 2018-01-30 | 三友联众集团股份有限公司 | A kind of limit-type relay of push jack |
| CN110265264A (en) * | 2019-05-27 | 2019-09-20 | 浙江格蕾特电器股份有限公司 | Novel moving contact component and relay |
| CN110265264B (en) * | 2019-05-27 | 2024-03-19 | 浙江格蕾特电器股份有限公司 | Novel moving contact assembly and relay |
| CN113078031A (en) * | 2021-04-02 | 2021-07-06 | 浙江安迅电气股份有限公司 | Safe and stable magnetic latching relay and voltage regulating device thereof |
| CN113078031B (en) * | 2021-04-02 | 2021-12-31 | 浙江安迅电气股份有限公司 | Magnetic latching relay and voltage regulating device thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202217627U (en) | Magnetic latching relay | |
| CN102103943A (en) | Magnetic latching relay with novel magnetic circuit | |
| CN104733230A (en) | Permanent magnet intelligent contactor having electromagnetic controllable counterforce and capable of guaranteeing normal switching-off | |
| CN201570456U (en) | Novel magnetic latching relay for two sets of contact sets | |
| CN201112159Y (en) | Automatic changeover using permanent magnetic operating mechanism | |
| CN101984504B (en) | Magnetic latching relay with double flexible pushing connections | |
| CN2904231Y (en) | Reverse instantaneous watt consumption electromagnetic electric appliance | |
| CN201975346U (en) | Half-wave excitation magnetic latching relay | |
| CN102103944A (en) | Magnetic latching relay with novel magnetic circuit | |
| CN201766036U (en) | Magnetic holding relay with double flexible drive connection | |
| CN203733721U (en) | Electromagnetic suction mechanism for control and protection switch | |
| CN2614378Y (en) | Energy-saving electromagnetic switch | |
| CN201570455U (en) | Magnetic latching relay of novel magnetic circuit | |
| CN206210716U (en) | A kind of motor-driven two phase relay | |
| CN204857593U (en) | Big clearance between open contacts's magnetic latching relay | |
| CN108172470A (en) | A kind of bistable relay being simple and efficient and bistable contactor and control method | |
| CN203445069U (en) | Clapper-type double magnetic circuit magnetic latching relay | |
| CN203118877U (en) | Contactor | |
| CN1319095C (en) | Asymmetric double coil type permanent-magnetic mechanism | |
| CN2251780Y (en) | Half-hard magnet electromagnet and control circuit thereof | |
| CN207068757U (en) | Contactor | |
| CN111508771A (en) | Magnetic control shape memory alloy AC contactor | |
| CN202363367U (en) | Miniaturized relay | |
| CN201766035U (en) | Magnetic circuit system of eccentrically-rotating asymmetry armature member | |
| CN201927550U (en) | Reversing contactor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120509 |