CN201112293Y - Three-phase large power magnet retaining relay for controlling - Google Patents
Three-phase large power magnet retaining relay for controlling Download PDFInfo
- Publication number
- CN201112293Y CN201112293Y CNU2007201494875U CN200720149487U CN201112293Y CN 201112293 Y CN201112293 Y CN 201112293Y CN U2007201494875 U CNU2007201494875 U CN U2007201494875U CN 200720149487 U CN200720149487 U CN 200720149487U CN 201112293 Y CN201112293 Y CN 201112293Y
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- armature component
- contact
- control
- power magnetic
- magnetic force
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Abstract
The utility model discloses a three-phase and high power magnetic latching relay used for controlling. The three-phase and high power magnetic latching relay used for controlling comprises an electromagnetic system, a transmission system and a contact system, wherein, the electromagnetic system, the transmission system and the contact system are enclosed in a box which is formed by a base and an upper cover; the electromagnetic system comprises a coil and an armature component which is provided with a rotary shaft and locating holes respectively on a clamping plate and the base limit the rotary shaft; the armature component is also provided with transmission shifting rods which are symmetrically distributed beside the rotary shaft; the contact system comprises a three-phase static sheet component and a three-phase dynamic sheet component; the armature component is controlled by the electromagnetic force of the coil; the armature component contacts a drive rod and the change of the status of the armature component is transferred to the dynamic sheet component by the drive rod. The three-phase and high power magnetic latching relay used for controlling has highly reliable performance and withstands the transient short circuit current without a damage to the relay and can be widely applied to the ammeter control and other control equipment.
Description
Technical field
The utility model relates to a kind of magnetic latching relay, relates to a kind of transmission driving lever employing centrosymmetric structure of its armature component, the control three-phase power magnetic force keeping relay that functional reliability is high, belongs to technical field of electronic components.
Background technology
Magnetic latching relay is a kind of under the effect of drive control signal, utilizes the interaction of solenoid and permanent magnet, relative motion to realize make-and-break contact.The control element that after drive control signal disappears, can still keep the state that is switched on or switched off.
It generally is made up of electromagnetic system, drive system, contact system and housing.Wherein electromagnetic system is made up of coil, armature component, magnetic conduction heel piece, magnetic conductive board etc.; Contact system is made up of the helical spring or the flat spring of dynamic and static contact point and assurance contact point contact pressure; Utilize drive system connection contact system and electromagnetic systems such as catch bar, the operating state of electromagnetic system is passed to contact system, realize transmission, interlock.
Magnetic latching relay has the characteristics of energy savings, working stability, is widely used in electric system protection device and all kinds of telemechanical, remote control and the communicator.Along with improving constantly of development and national economy and living standards of the people, the household electrical appliance that use in each family roll up, and employed distribution control element, appliance controling element require to switch bigger power.Therefore, magnetic latching relay especially the three-phase power magnetic force keeping relay will obtain using more widely.
But, in the existing three-phase power magnetic force keeping relay, I shape armature component in the electromagnetic system often adopts the driving lever of dissymmetrical structure, the driving lever of this structure promotes hypodynamic problem when being easy to cause occurring connecting or disconnecting, thereby reduces the functional reliability of magnetic latching relay.On the other hand, in the existing magnetic latching relay, stuck phenomenon appears in I shape armature component easily when rotating, and this also can influence the functional reliability of magnetic latching relay.
Summary of the invention
The purpose of this utility model is to provide a kind of new control three-phase power magnetic force keeping relay.This relay adopts the design that is better than existing relay, functional reliability is significantly improved, and can stably switch the high-power circuit of three-phase, shows its exclusive unfailing performance when bearing transient short-circuit current.
For realizing above-mentioned purpose, the utility model adopts following technical scheme:
A kind of control three-phase power magnetic force keeping relay comprises electromagnetic system, drive system and contact system, and described electromagnetic system, drive system and contact system are enclosed in the insulation box body that is combined to form by pedestal and loam cake, it is characterized in that:
Described electromagnetic system comprises coil and armature component, has rotating shaft on the described armature component, and described rotating shaft is located by the location hole that lays respectively on clamping plate and the described pedestal; Have the transmission driving lever on the described armature component, described transmission driving lever is that the center is symmetrically distributed with described rotating shaft;
Described contact system comprises still assembly and moving plate assembly;
Described coil utilizes electromagnetic force to control the state of described armature component, and described armature component contacts with the catch bar of drive system, utilizes described catch bar that the armature component operating state is passed to described moving plate assembly.
Wherein, the location hole on described clamping plate and the described pedestal is square hole.
Described still assembly and moving plate assembly have the exit that stretches out outside the described box body respectively, and described coil also has the control signal lead end that stretches out outside the described box body.
Described still assembly and moving plate assembly divide its exit that stretches out outside the described box body to be parallel to each other.
Described armature component is I shape, comprises the pole piece of two symmetries and is positioned at the middle permanent magnet of symmetrical pole piece, and be injected into one by engineering plastics, forms complete symmetrical structure;
The upper and lower side of described armature component is provided with the described fixed rotating shaft for its rotation.
Described still assembly is made up of conducting strip and fixed contact, and described fixed contact is fixed on the described conducting strip;
Described still assembly is realized fixing by the intrinsic location structure and the described pedestal that are provided with on the described pedestal.
Described moving plate assembly is made up of long conducting strip, movable contact spring, two conduction splitters and moving contact; Wherein, described movable contact spring is connected with described long conducting strip respectively with described conduction splitter, and described movable contact spring and conduction splitter are provided with corresponding contact holes, and described moving contact is passed by contact holes and connects described movable contact spring; Described brace is realized fixing by the intrinsic location structure and the described pedestal that are provided with on the described pedestal.
The position riveted joint in described movable contact spring upper contact hole has moving contact, and moving contact is gone back riveted and fixed simultaneously at clip and is useful on the flat spring that produces the contact contact pressure.
Described catch bar is a long slab shape, which is provided with a plurality of openings.Wherein be useful on described every flat spring and the movable contact spring afterbody that produces the contact contact pressure mutually of assembling, other is useful on the transmission driving lever of the described armature component of assembling.
Described catch bar be positioned at and move relay draw conducting strip under.
Have two reference columns on the described clamping plate, described reference column inserts on the described pedestal with corresponding two holes of reference column so that described clamping plate are realized fixing;
Between described clamping plate and described pedestal, be formed with track for described catch bar motion.
Control provided by the utility model is adopted novel unique design scheme with the three-phase power magnetic force keeping relay, make it have very high functional reliability, and have the ability of bearing instantaneous high power short circuit current, can be widely used in ammeter control and all kinds of control appliance.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Fig. 1 is the three-dimensional outline drawing of control provided by the utility model with the three-phase power magnetic force keeping relay;
Fig. 2 is the vertical view of relay shown in Figure 1;
Fig. 3 is the end view of relay shown in Figure 1;
Fig. 4 is the base construction schematic diagram of this three-phase power magnetic force keeping relay;
Fig. 5 is the internal structure schematic diagram of this three-phase power magnetic force keeping relay;
Fig. 6 is the internal structure schematic diagram after the clamping plate of this three-phase power magnetic force keeping relay inside are taken off;
Fig. 7 is in the three-phase power magnetic force keeping relay, the three-dimensional outline drawing of I shape armature component;
Fig. 8 is in this three-phase power magnetic force keeping relay, the cross-sectional view of I shape armature component;
Fig. 9 is in this three-phase power magnetic force keeping relay, the structural representation of clamping plate;
Figure 10 is in this three-phase power magnetic force keeping relay, the structural representation of still assembly;
Figure 11 is in this three-phase power magnetic force keeping relay, the structural representation of moving plate assembly;
Figure 12 is in this three-phase power magnetic force keeping relay, the internal structure schematic diagram of being seen behind the hidden parts part;
Embodiment
The monnolithic case of three-phase power magnetic force keeping relay provided by the utility model as shown in Figure 1.It is one and is fastened the square step box body that forms by square base 1 and step loam cake up and down.Pedestal 1 and loam cake are injection mo(u)lding by engineering plastics.Fig. 2 and Fig. 3 are respectively the vertical view and the end view of this magnetic latching relay.As can be seen from the figure, the side of pedestal 1 is provided with open slot, stretches out wiring usefulness for three-phase still assembly exit and moving plate assembly exit to the relay outside, and opening is also arranged on the another one side, and the control lead end of coil is protruding in the power supply magnetic system.
The structure of pedestal 1 as shown in Figure 4, its edge is useful on the buckle structure that fastens with loam cake, there is the location hole structure for armature component 7 location usefulness at the place, centre position.Pedestal 1 inside also is provided with and supplies the fixedly groove structure of usefulness of three-phase still assembly and moving plate assembly.Pedestal 1 inside is provided with the groove structure that catch bar 6 tracks are provided.
Referring to Fig. 5 and shown in Figure 6, electromagnetic system 3 and contact system are arranged in the internal fixation of this magnetic latching relay.Be illustrated respectively below.
Referring to Fig. 7 and shown in Figure 8, the armature component 7 in the utility model is an I shape, and it has the pole piece 10 and the permanent magnet 11 of two symmetries, and uses engineering plastics 9 to be injected into one, forms complete symmetrical structure.Form the fixed rotating shaft that supplies its rotation in the injection moulding of the side of armature component 7.The distribution that is centrosymmetric of the position of the transmission driving lever relative fixed rotating shaft that injection moulding forms.Like this, when clockwise and counterclockwise both direction rotated, the motive force size of its generation was consistent at armature component 7.This kind design makes relay contact system when switching on and off, and the motive force that obtained can be in full accord, avoid existing I shape armature component asymmetric driving lever caused connects or disconnects and promote hypodynamic weakness.
Be provided with two relative holes at above-mentioned pedestal 1.As shown in Figure 9, two of clamping plate 8 reference column M insert in this hole realizing and fix.The clamping plate 8 that fix, it is provided with the square hole N of rotating shaft on the fixed armature assembly 7 with respect to the square hole top of pedestal 1.On clamping plate 2, be provided with and the corresponding mutually position L of pedestal 1, to form track for catch bar 6 motions of long slab shape.Catch bar 6 moves in track flexibly, and the motion state of armature component 7 is passed to contact system.So also just the operate condition of electromagnetic system is passed to contact system.
Clamping plate 8 can also have other implementation, for example with the square hole or the circular hole of 7 rotating shafts of fixed armature assembly, form as one when injection moulding relay loam cake.
Catch bar 6 is provided with a plurality of openings, and one of them is used to assemble the transmission driving lever of the armature component 7 of electromagnetic system; Other has three openings corresponding to the set placement position of contact system,, these three openings are used to assemble the spring leaf of generation contact contact pressure and the head of movable contact spring.
Contact system in this magnetic latching relay is made of still assembly 4 and moving plate assembly 5.
Referring to shown in Figure 10, still assembly 4 is made up of conducting strip 12 and fixed contact 13, and the mode of riveted joint of fixed contact 13 usefulness or high-temperature soldering is fixed on the conducting strip 12.In pedestal 1, be provided with the fixedly frame structure of still assembly 4, still assembly 4 firmly is fixed in the pedestal 1, and have exit to stretch out in the side of relay housing.
Referring to shown in Figure 11, moving plate assembly 5 by play a long conducting strip 14, movable contact spring 16, two conduction splitters 17,18, moving contact 19 and spring leafs 15 are formed.Wherein movable contact spring 16 and conduction splitter 17,18 are riveted on the long conducting strip 14 by the convex closure on the long conducting strip 14.Movable contact spring 16 and conduction splitter 17,18 are provided with corresponding contact holes, and moving contact is passed by contact holes and is riveted on the movable contact spring 16, and movable contact spring 16 and 17,18 riveted joints of conduction splitter are one.Afterbody at moving contact 19 has also been riveted a slice spring leaf.In pedestal 1, be provided with the fixedly frame structure of moving plate assembly 5, the long conducting strip 14 of moving plate assembly 5 firmly be fixed in the pedestal 1, and have exit to stretch out in the side of relay housing.
The moving plate assembly 5 of this programme, movable contact spring 16 wherein, splitter 17,18 three in one and long conducting strip 14 form the current circuit of "＞" shapes.
Referring to shown in Figure 12, push rod 6 arranges and moves under conducting strip 12 and long conducting strip 14 that catch bar 6 is provided with opening to dodge conducting strip 12 and long conducting strip 14.
This three-phase power magnetic force keeping relay is in when work, can directly change the sense of current and size in the coil by above-mentioned control lead end, thereby change corresponding electromagnetic force state.Coil in the electromagnetic system utilizes the user mode of electromagnetic force change armature component, and armature component contacts with catch bar.Therefore the state variation of armature component passes to moving plate assembly in the contact system by this catch bar, and the contact condition of moving plate assembly and still assembly is changed.So just realized utilizing this magnetic latching relay to control the purpose of other high-power circuit on off state.
More than control described in the utility model is had been described in detail with the three-phase power magnetic force keeping relay.For the those skilled in the art in present technique field, the various conspicuous change of under the situation of spirit that does not deviate from technical scheme described in the utility model and claim scope it being carried out is all within protection range of the present utility model.
Claims (8)
1. a control three-phase power magnetic force keeping relay comprises electromagnetic system and contact system, and described electromagnetic system and contact system are enclosed in by pedestal and loam cake and fasten in the box body that forms, and it is characterized in that:
Described electromagnetic system comprises coil and armature component, has rotating shaft on the described armature component, and described rotating shaft is located by the location hole that lays respectively on clamping plate and the described pedestal; Have the transmission driving lever on the described armature component, described transmission driving lever is that the center is symmetrically distributed with described rotating shaft;
Described contact system comprises still assembly and moving plate assembly;
Described coil utilizes electromagnetic force to control the state of described armature component, and described armature component contacts with catch bar, utilizes described catch bar that the state variation of armature component is passed to described moving plate assembly.
2. control three-phase power magnetic force keeping relay as claimed in claim 1 is characterized in that:
Location hole on described clamping plate and the described pedestal is square hole.
3. control three-phase power magnetic force keeping relay as claimed in claim 1 is characterized in that:
Described still assembly and moving plate assembly have the exit that stretches out outside the described box body respectively, and described coil also has the control lead end that stretches out outside the described box body, and described control lead end is perpendicular to the exit of described still assembly and moving plate assembly.
4. control three-phase power magnetic force keeping relay as claimed in claim 1 is characterized in that:
Described armature component is I shape, comprises the pole piece and the permanent magnet of two symmetries, and is injected into one by engineering plastics, forms symmetrical structure;
The side of described armature component has the described rotating shaft for its rotation.
5. control three-phase power magnetic force keeping relay as claimed in claim 1 is characterized in that:
The long conducting strip of described moving plate assembly, movable contact spring, two conduction splitters, moving contact and spring leafs are formed; Wherein, described movable contact spring is connected with described long conducting strip respectively with described conduction splitter, described movable contact spring and conduction splitter are provided with corresponding contact holes, and described moving contact is passed by contact holes and connects described movable contact spring, and described contact tail is also riveted the spring leaf of guaranteed contact force; Described long conducting strip is realized fixing by frame structure on the described pedestal and described pedestal.
6. control three-phase power magnetic force keeping relay as claimed in claim 1 is characterized in that:
Reed, splitter three in one and long conducting strip form the current circuit of "＞" shape in the described moving plate assembly.
7. control three-phase power magnetic force keeping relay as claimed in claim 1 is characterized in that:
Described catch bar is a long slab shape, which is provided with a plurality of openings, and one is used to assemble the transmission driving lever of described armature component; Wherein three openings are used to assemble the spring leaf of described generation contact contact pressure or the afterbody of spring and movable contact spring; Other has corresponding opening to dodge out conducting strip and long conducting strip, with the catch bar assembling and move under conducting strip and long conducting strip.
8. control three-phase power magnetic force keeping relay as claimed in claim 1 is characterized in that:
Have two reference columns on the described clamping plate, described reference column inserts on the described pedestal with corresponding two holes of reference column so that described clamping plate are realized fixing;
Between described clamping plate and described pedestal, be formed with track for described catch bar motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201494875U CN201112293Y (en) | 2007-06-06 | 2007-06-06 | Three-phase large power magnet retaining relay for controlling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201494875U CN201112293Y (en) | 2007-06-06 | 2007-06-06 | Three-phase large power magnet retaining relay for controlling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201112293Y true CN201112293Y (en) | 2008-09-10 |
Family
ID=39964038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201494875U Expired - Lifetime CN201112293Y (en) | 2007-06-06 | 2007-06-06 | Three-phase large power magnet retaining relay for controlling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201112293Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106504950A (en) * | 2016-12-06 | 2017-03-15 | 浙江格蕾特电器股份有限公司 | Change type magnetic latching relay |
| CN107342190A (en) * | 2017-08-22 | 2017-11-10 | 江阴力源电子有限公司 | A kind of pushing mechanism of bistable magnetic latching relay |
-
2007
- 2007-06-06 CN CNU2007201494875U patent/CN201112293Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106504950A (en) * | 2016-12-06 | 2017-03-15 | 浙江格蕾特电器股份有限公司 | Change type magnetic latching relay |
| CN107342190A (en) * | 2017-08-22 | 2017-11-10 | 江阴力源电子有限公司 | A kind of pushing mechanism of bistable magnetic latching relay |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: LEQING LIHUI ELECTRICAL APPLIANCE CO., LTD. Free format text: FORMER OWNER: ZHEJIANG PRESTIGE ELECTRONIC CO., LTD. Effective date: 20120410 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120410 Address after: 325609, Yueqing, Zhejiang, Yueqing Po Chi Special Industrial Park (FAI science and technology inside) Patentee after: Yueqing Lihui Electrical Appliance Co., Ltd. Address before: Tiancheng Xiang Chan head village of Yueqing city in Zhejiang province 325609 (Yueqing Tengfei electronic limited company) Patentee before: Zhejiang Prestige Electronic Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20080910 |
|
| CX01 | Expiry of patent term |