CN207116337U - Electromagnetic relay with three-phase bridge contact - Google Patents
Electromagnetic relay with three-phase bridge contact Download PDFInfo
- Publication number
- CN207116337U CN207116337U CN201720493026.3U CN201720493026U CN207116337U CN 207116337 U CN207116337 U CN 207116337U CN 201720493026 U CN201720493026 U CN 201720493026U CN 207116337 U CN207116337 U CN 207116337U
- Authority
- CN
- China
- Prior art keywords
- contact
- moving armature
- removable moving
- movable contact
- shaped
- 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.)
- Active
Links
Landscapes
- Electromagnets (AREA)
Abstract
The utility model discloses a kind of electromagnetic relay with three-phase bridge contact, including bottom plate, case is set with the bottom plate, electromagnetic mechanism is provided with the case cavity volume, dynamic contact mechanism, quiet contact mechanism and restoring mechanism, the electromagnetic mechanism includes coil, T-shaped is unshakable in one's determination and removable moving armature, the dynamic contact mechanism includes the circumferential movable contact being evenly distributed on movable contact spring, the quiet contact mechanism includes the stationary contact being correspondingly arranged with movable contact, T-shaped is unshakable in one's determination to form a clapper-type magnetic circuit with removable moving armature, when coil electricity produces magnetic field, inhale and move removable moving armature and T-shaped closure unshakable in one's determination, band movable contact forms star with stationary contact and contacted, when electric current deficiency, removable moving armature moves upwards under restoring mechanism effect, movable contact separates with stationary contact.The relay uses the equally distributed electrical contact form of triangular apex, realizes three groups of bridge-type contacts, the load of the tunnel of synchronization process three, three road shortest paths, can overcome serious high current fever phenomenon.
Description
Technical field
The utility model belongs to relay technical field, and in particular to a kind of electromagnetism relay with three-phase bridge contact
Device.
Background technology
Current common electromagnetic relay, the CYCLIC LOADING of three phase electric machine is controlled, usually using three independent contacts
System is realized, therefore existing relay can not meet user's request.According to user's request, it is necessary to a kind of control three phase electric machine
Open or closed electromagnetic relay, and be single contact system.
Utility model content
The utility model solves the deficiencies in the prior art, there is provided a kind of electromagnetic relay of three-phase bridge contact, should be after
The single contact system of electrical equipment controls three phase electric machine to load simultaneously, ensures three phase electric machine CYCLIC LOADING.
Technical scheme is used by the utility model：Electromagnetic relay with three-phase bridge contact, including bottom plate, institute
State and case is set with bottom plate, electromagnetic mechanism, dynamic contact mechanism, quiet contact mechanism and recovery machine are provided with the case cavity volume
Structure, it is characterised in that the electromagnetic mechanism includes that coil, T-shaped be unshakable in one's determination and removable moving armature, and the T-shaped iron core is arranged in removable
In moving armature in cavity volume, the coil is held in the cavity volume between removable moving armature and T-shaped iron core, and the restoring mechanism is held on
Between the side wall of case one and removable moving armature side wall, the dynamic contact mechanism includes circumferentially being evenly distributed on dynamic tactile on movable contact spring
Point, the quiet contact mechanism include the stationary contact being correspondingly arranged with movable contact, and T-shaped is unshakable in one's determination to form a bat conjunction with removable moving armature
Formula magnetic circuit, when coil electricity produces magnetic field, suction is moved removable moving armature and closed with T-shaped iron core, and star is formed with movable contact and stationary contact
Shape contacts, and when electric current deficiency, removable moving armature moves upwards under restoring mechanism effect, and movable contact separates with stationary contact.
Preferably, the quiet contact mechanism also includes five lead-out terminals that spacing is set, and wherein three lead-out terminals
The inner connect respectively with stationary contact riveting load, form output loading loop, two other lead-out terminal forms input circuit.
Preferably, the dynamic contact mechanism also includes contact spring, and the contact spring is rectangle plane type spring, moves and touches
Point is contacted by contact spring with stationary contact.
Preferably, the resetting-mechanism restores to restore shell fragment and is carved with symmetrical U-lag, U-type groove center on shell fragment
With T-shaped welding unshakable in one's determination, restore shell fragment bottom and be symmetrically welded on movable moving armature, the recovery shell fragment passes through its U-lag and position
The change put, ensure to restore the size of counter-force.
Compared to prior art, the utility model has the advantage that：
1st, using the equally distributed electrical contact form of triangular apex, three groups of bridge-type contacts are realized, the tunnel of synchronization process three is born
Carry, three road shortest paths, serious high current fever phenomenon can be overcome.
2nd, planar rectangular contact spring is fixed together with removable moving armature, quiet contact structures and dynamic contact structures, and electricity connects
Touch bridge supports quiet contact point to be contacted with dynamic contact point by planar rectangular contact spring, by the torsion for adjusting fixing point on contact bridge
Torque realizes the change and transmission of contact force.With good shock resistance and shock resistance.
3rd, return spring is designed to manufacturability and the simple plane spring of processability, compared with flexural spring ratio, under high temperature, and stress
Change it is small, to restore counter-force influence it is small, so as to ensure that relay certain life-span.The novel in structural design, dependable performance
It is stable.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model electromagnetic mechanism schematic diagram one；
Fig. 3 is the utility model electromagnetic mechanism schematic diagram two；
Fig. 4 is the quiet contact mechanism schematic diagram of the utility model；
Fig. 5 is that the utility model moves contact mechanism schematic diagram.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
A kind of electromagnetic relay with three-phase bridge contact, referring to figs. 1 to shown in Fig. 5, including bottom plate 1, the bottom plate 1
On be set with case 2, electromagnetic mechanism, dynamic contact mechanism, quiet contact mechanism and restoring mechanism, institute are provided with the cavity volume of case 2
State electromagnetic mechanism and be arranged in cavity volume in removable moving armature including coil 3, T-shaped iron core 5 and removable moving armature 4, the T-shaped iron core 5
Interior, the coil 3 is held in the cavity volume between removable moving armature 4 and T-shaped iron core 5, and the restoring mechanism is held on case side
Between wall and removable moving armature side wall, the dynamic contact mechanism includes the circumferential movable contact 8 being evenly distributed on movable contact spring 11, institute
The stationary contact 10 that quiet contact mechanism includes being correspondingly arranged with movable contact 8 is stated, stationary contact 10 is established with the movable contact 8 on movable contact spring 11
Three are in contact and cut-off.T-shaped iron core 5 forms a clapper-type magnetic circuit with removable moving armature 4, produces magnetic field when coil 3 is powered, inhales
Move removable moving armature 4 to close with T-shaped iron core 5, band movable contact 8 forms star with stationary contact 10 and contacted, and when electric current deficiency, restores
Mechanism makees return mechanism, and removable moving armature 4 moves upwards under restoring mechanism effect, and movable contact 8 separates with stationary contact 10.Its
In, coil 3 is connected by alignment pin 32 with 1 corresponding hole of bottom plate, and it is fixed on bottom plate 1.
With reference to figure 4, the quiet contact mechanism also includes five lead-out terminals 7 that spacing is set, wherein three lead-out terminals
Inner riveting respectively have stationary contact 10, stationary contact 10 forms output loading loop, two other is defeated into equilateral triangle localization
Go out terminal 7 and form input circuit, and its inner is provided with positioning jack (not indicating in Fig. 4), with going out for coil lead pin 31
Line position matches.
With reference to figure 2 and Fig. 3, the dynamic contact mechanism also includes contact spring 9, and the contact spring 9 is rectangle plane type
Spring, movable contact 8 are contacted by contact spring 9 with stationary contact 10.Movable contact spring 11 is connect with contact spring 9 by rivet riveting load,
Contact portion is formed, which can realize all contacts of simple, economic, synchronization, symmetrical treatment.Contact spring 9 is rectangle plane
Type spring, this kind of contact spring 9 have higher spring rate, and, spring force can be more preferable compared with bendability spring under the high temperature conditions
Holding, avoid the influence to the life-span.Movable contact 8 is contacted by contact spring 9 with stationary contact 10, and it is dynamic that contact spring 9 is assemblied in 8
Between contact and stationary contact 10 so that the deflection of contact spring 9 can only be in one direction.Contact spring 9 is passed through into cantilever mounted
Bilateral principle point is welded on removable armature 4, it is transmitted contact force in the movement direction, is realized and returned by torsional moment, is
Allow almost coplanar contact point have independent tolerance and contact ablation, pass through and the shape of contact spring 9 designed, and contact
The determination for the position that reed 9 is fixed with movable contact spring 11, realizes the transmission and change of torsional moment and contact force.
With reference to figure 3, the recovery shell fragment 6 is rectangular metal sheet, and is carved with U-shaped 61 and symmetrical thereon.In U-type groove 6
5 spot welding unshakable in one's determination of the heart and T-shaped be connecteds, are restored the bottom of shell fragment 6 and are symmetrically welded on removable armature 4, by the shape of U-type groove 6 with
The change of position, ensure to restore the size of counter-force.Restore and control 0.3mm or so gap, mesh between the top of shell fragment 6 and mobile armature
Be to prevent that armature is stuck, the reliability of raising action, and it is more stably and controllable to restore counter-force.
Operation principle of the present utility model：During original state, in the presence of the counter-force of shell fragment 6 is restored, the removable band of moving armature 4
Movable contact 8 in dynamic contact mechanism separates with the stationary contact 10 on quiet conjunction reed, maximum contact distance 0.55mm, by the institute of coil 3
Band stop control contactor gap.After coil 3 plus excitation, magnetic circuit system produces magnetic field, removable moving armature 4 is closed with T-shaped iron core 5
Close, driving movable contact 8, electric current is not with keeping multigroup contact to be steadily contacted by its own resilient of contact spring 9 with stationary contact 10
When sufficient, reset reed 6 provides return mechanism, removable moving armature 4 is moved upwards, realizes that movable contact 8 separates with stationary contact 10.
The single contact system of the relay controls three phase electric machine to load simultaneously, ensures three phase electric machine CYCLIC LOADING.
Above-described embodiment, simply preferred embodiment of the present utility model, not it is used for limiting implementation model of the present utility model
Enclose, therefore all equivalent variations done with content described in the utility model claims, all should be included in the utility model right will
Within the scope of asking.
Claims (4)
1. the electromagnetic relay with three-phase bridge contact, including bottom plate (1), case (2), institute are set with the bottom plate (1)
State and electromagnetic mechanism, dynamic contact mechanism, quiet contact mechanism and restoring mechanism are provided with case (2) cavity volume, it is characterised in that the electricity
Magnetic mechanism includes coil (3), T-shaped (5) unshakable in one's determination and removable moving armature (4), and the T-shaped (5) unshakable in one's determination is arranged in removable moving armature (4)
In cavity volume, the coil (3) is held in the cavity volume between removable moving armature (4) and T-shaped (5) unshakable in one's determination, the restoring mechanism clamping
Between the side wall of case one and removable moving armature side wall, the dynamic contact mechanism includes circumferential be evenly distributed on movable contact spring (11)
Movable contact (8), the quiet contact mechanism includes the stationary contact (10) that is correspondingly arranged with movable contact (8), T-shaped iron core (5) with can
Mobile armature (4) forms a clapper-type magnetic circuit, produces magnetic field when coil (3) is powered, inhales and move removable moving armature (4) and T-shaped iron
The heart (5) closes, and band movable contact (8) forms star with stationary contact (10) and contacted, and when electric current deficiency, removable moving armature (4) is multiple
Former mechanism effect lower motion, movable contact (8) upwards separate with stationary contact (10).
2. the electromagnetic relay according to claim 1 with three-phase bridge contact, it is characterised in that the quiet contact machine
Structure also includes five lead-out terminals (7) that spacing is set, and wherein three lead-out terminals it is inner respectively with stationary contact (10) riveting
Load connects, and forms output loading loop, and two other lead-out terminal (7) forms input circuit.
3. the electromagnetic relay according to claim 2 with three-phase bridge contact, it is characterised in that the dynamic contact machine
Structure also includes contact spring (9), and the contact spring (9) is rectangle plane type spring, and movable contact (8) passes through contact spring (9)
Contacted with stationary contact (10).
4. the electromagnetic relay according to claim 3 with three-phase bridge contact, it is characterised in that the restoring mechanism
To restore shell fragment (6), restore and symmetrical U-lag (61) is carved with shell fragment (6), U-type groove (61) center is (5) unshakable in one's determination with T-shaped
Welding, restore shell fragment (6) bottom and be symmetrically welded on removable moving armature (4), the recovery shell fragment (6) passes through its U-lag (61)
With the change of position, ensure to restore the size of counter-force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720493026.3U CN207116337U (en) | 2017-05-05 | 2017-05-05 | Electromagnetic relay with three-phase bridge contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720493026.3U CN207116337U (en) | 2017-05-05 | 2017-05-05 | Electromagnetic relay with three-phase bridge contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207116337U true CN207116337U (en) | 2018-03-16 |
Family
ID=61594323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720493026.3U Active CN207116337U (en) | 2017-05-05 | 2017-05-05 | Electromagnetic relay with three-phase bridge contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207116337U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108695111A (en) * | 2018-06-29 | 2018-10-23 | 厦门宏发电力电器有限公司 | A kind of three-phase phase reversal relay |
| CN113611575A (en) * | 2021-06-18 | 2021-11-05 | 厦门宏发电力电器有限公司 | Multi-phase electromagnetic relay |
-
2017
- 2017-05-05 CN CN201720493026.3U patent/CN207116337U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108695111A (en) * | 2018-06-29 | 2018-10-23 | 厦门宏发电力电器有限公司 | A kind of three-phase phase reversal relay |
| CN108695111B (en) * | 2018-06-29 | 2024-04-05 | 厦门宏发电力电器有限公司 | Three-phase change relay |
| CN113611575A (en) * | 2021-06-18 | 2021-11-05 | 厦门宏发电力电器有限公司 | Multi-phase electromagnetic relay |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104779120B (en) | A kind of single-break catalyst | |
| CN206340494U (en) | A kind of de- bridge-type magnetic latching relay of use microswitch | |
| CN205319100U (en) | Equilibrant formula magnetic latching relay | |
| CN207116337U (en) | Electromagnetic relay with three-phase bridge contact | |
| CN102064600B (en) | Tristable differential permanent magnetic operating mechanism | |
| CN104008917A (en) | Magnetic proximity switch | |
| CN103441033A (en) | Vacuum contactor | |
| CN204834510U (en) | Magnetic latching relay of asymmetric formula magnetic circuit | |
| CN105914107B (en) | A kind of contactor for connecting capacitive element | |
| CN205984822U (en) | Small -size high -power electromagnetic relay | |
| CN208433350U (en) | Single-break direct-acting contactor | |
| CN205680627U (en) | A kind of contactor connecting capacitive element | |
| CN203134679U (en) | Vacuum on-load tap-changer | |
| CN202940194U (en) | High-voltage direct-current electromagnetic relay | |
| CN206595203U (en) | A kind of relay simple in construction | |
| CN211479955U (en) | High-voltage direct-current contactor | |
| CN102610447A (en) | Relay | |
| CN103794414A (en) | Relay | |
| CN204614738U (en) | A High Efficiency Electromagnetic Relay | |
| CN222462627U (en) | Stationary contact assembly, switch device and vehicle | |
| CN205680622U (en) | A kind of single-pole dc contact | |
| CN203910675U (en) | Magnetic proximity switch | |
| CN205959905U (en) | Novel equilibrant formula magnetism ware that keeps in contact | |
| CN209843619U (en) | Bridge type large-current electromagnetic relay | |
| WO2023108828A1 (en) | Relay reliable to use |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |