CN206210716U - A kind of motor-driven two phase relay - Google Patents
A kind of motor-driven two phase relay Download PDFInfo
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- CN206210716U CN206210716U CN201621267871.0U CN201621267871U CN206210716U CN 206210716 U CN206210716 U CN 206210716U CN 201621267871 U CN201621267871 U CN 201621267871U CN 206210716 U CN206210716 U CN 206210716U
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- movable contact
- spring group
- relay
- draw
- contact spring
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Abstract
The utility model discloses motor-driven two phase relay of one kind, the relay includes：The turbine gear pair that one motor connection worm screw is driven, drives special shape gear, special shape gear drivening rod to drive slider bar, slider bar to drive the first movable contact and the movement of the second movable contact, realize the contact or disconnection with the first stationary contact and the second stationary contact.First movable contact spring group termination draw-in groove and the second movable contact spring group termination draw-in groove are located at same layer space of planes with special shape gear.First beneficial effect of the utility model is that Worm Wheel System has good latching characteristics, strengthens the electric life of contact and arc resistant ability, is also beneficial to relay and realizes automated production, so as to can reduce manufacturing cost and put forward high-quality uniformity.Second advantage is that this relay more tends to slimming, reduces relay volume, optimizes product structure；3rd advantage is, for single phase power supply devises two groups of contacts, to be also turned on or disconnect live wire and zero line, considerably increases electrical safety.
Description
Technical field
The utility model is related to a kind of relay, is particularly applied in single-phase intelligent ammeter what is used as on-load switch
And by motor-driven two phase relay.
Background technology
On-load switch is the key componentses that intelligent electric meter realizes expense control function, uses magnetic latching relay prior art more
As the on-load switch in intelligent electric meter.
Because magnetic latching relay is in anti-stationary magnetic field, contact resistance, contact force, anti shock and vibration, Hangzhoupro arc wear
Aspect Shortcomings, cause intelligent electric meter operation use when occur burning table, by stealing, misoperation, fluctuation of service problem
Happen occasionally, according to State Grid Corporation of China to the fault statistics of intelligent fault ammeter, using magnetic latching relay as load
In the intelligent electric meter of switch, accounting of the ratio of intelligent electric meter failure in all components be most caused by on-load switch problem
It is high.
In the prior art, using motor-driven relay, one-phase relay therein is only used for switching live wire,
Do not control zero line.
Equally, three-phase electrical relay is as shown in figure 1, the technical scheme only turns on or disconnect three-phase firewire, to zero line（Single-phase
It is ground wire during power supply）Also control, be so unfavorable for safety utilization of electric power.
Because for one-phase relay, when live wire, zero line are reversed, the danger of electric shock may be caused to user of service
Danger；Zero line in actual electric network voltage over the ground is not real 0V, and always has a low-voltage, and this voltage is in certain journey
Danger is equally had on degree；For example when electric wire leaks electricity because of reasons such as damage in insulation, there is the hidden danger for causing personnel to get an electric shock.
Utility model content
In order to solve anti-stationary magnetic field, contact resistance that magnetic latching relay occurs when being applied in intelligent electric meter, touch
Deficiency in terms of point pressure, anti shock and vibration, Hangzhoupro arc wear, and for one-phase relay, when live wire, zero line are reversed
When, it is likely to result in the danger of electric shock；And the voltage over the ground of the zero line in power network is not real 0V, when electric wire is because of damage in insulation
When being leaked electricity etc. reason, there is the problem of the hidden danger for causing to get an electric shock, the utility model is applied in single-phase intelligent ammeter there is provided one kind
By motor-driven two phase relay.
The utility model is realized using following technical scheme.
A kind of motor-driven two phase relay of design, the relay includes：
Motor is provided with housing, the worm drive turbine gear pair of the motor connection, turbine gear pair drives abnormity
Gear, special shape gear drivening rod, connecting rod drives slider bar, slider bar to drive the first movable contact and the movement of the second movable contact, make
First movable contact and the first stationary contact closure disconnect, and the second movable contact and the second stationary contact closure or disconnection；
First movable contact is electrically connected by the first movable contact spring group with the first dynamic spring lead-out tablet, and the described first dynamic spring is drawn
The part that piece draws outside housing is live wire joint one, and first stationary contact draws the portion outside housing by the first static contact spring piece
It is divided into live wire joint two；
Second movable contact is electrically connected by the second movable contact spring group with the first dynamic spring lead-out tablet, and the described second dynamic spring is drawn
The part that piece draws outside housing is earth connection point one, and second stationary contact draws the portion outside housing by the second static contact spring piece
It is respectively earth connection point two and earth connection point three.
The earth connection point one is to the distance between earth connection point three less than live wire joint one between live wire joint two
Distance.
The slider bar has upward the first movable contact spring group termination draw-in groove and the second movable contact spring group termination draw-in groove, is respectively used to
Accommodate the first movable contact spring group termination and the second movable contact spring group termination；The first movable contact spring group termination draw-in groove and the second movable contact spring group
Termination draw-in groove is generally aligned in the same plane position with special shape gear.
Compared with prior art, the beneficial effects of the utility model are：Touched except motor drive mode improves sound
The pressure of point, and sound contact flexible contact can be made, contact bounce is eliminated, add the electric life of contact and arc resistant ability
Outside big advantage, the utility model the first movable contact spring group termination draw-in groove and the second movable contact spring group termination draw-in groove and special shape gear position
In same layer space of planes, relay volume is reduced, optimize product structure；The utility model for single phase power supply,
While cut-out live wire, zero line is also cut off, it is ensured that Electrical Safety.In order to avoid live wire, zero line are reversed, increase in zero line joint
Plus ground terminal, it is ensured that zero line joint will not wrong.
Brief description of the drawings
Fig. 1 is a kind of schematic front view of motor-driven three-phase electrical relay in the prior art, and this is can be seen that by the figure
Relay only controls three-phase firewire；
Fig. 2 is a kind of schematic front view of motor-driven two phase relay described in the utility model；
Fig. 3 is a kind of the first movable contact spring group termination of motor-driven two-phase relay controller described in the utility model
Draw-in groove and the second movable contact spring group termination draw-in groove are in the schematic perspective view of same plane position with special shape gear；
Fig. 4 is a kind of solid of the position setting of each joint of motor-driven two phase relay described in the utility model
Schematic diagram.
Specific embodiment
The utility model is illustrated with reference to specific embodiment.
As shown in figs. 2 to 4, a kind of motor-driven two phase relay is designed, the relay includes：Housing 1, it is described
Motor 2 is provided with housing 1, it is characterised in that：The worm screw 13 of the connection of the motor 2 drives turbine gear pair 9, turbine gear pair
9 drive special shape gear 12, the drivening rod 11 of special shape gear 12, connecting rod 11 to drive slider bar 10, slider bar 10 to drive first to move and touch
The movable contact 16 of point 5 and second is moved, and the first movable contact 5 is closed or is disconnected with the first stationary contact 6, and the second movable contact 16 and
Second stationary contact 15 is closed or disconnected；
First movable contact 5 is electrically connected by the first movable contact spring group 4 with the first dynamic spring lead-out tablet 3, the described first dynamic spring
The part that lead-out tablet 3 is drawn outside housing 1 is live wire joint 1, and first stationary contact 6 is drawn by the first static contact spring piece 7
Part outside housing 1 is live wire joint 2 22；
Second movable contact 16 is electrically connected by the second movable contact spring group 17 with the first dynamic spring lead-out tablet 18, and described second moves
The part that spring lead-out tablet 18 draws outside housing 1 is earth connection point 1, and second stationary contact 15 passes through the second static contact spring piece 14
The part drawn outside housing 1 is respectively earth connection point 2 62 and earth connection point 3 63.
The distance between 61 to earth connection point 3 63 of the earth connection point 1 is less than 21 to the live wire joint two of live wire joint 1
The distance between 22.
The slider bar 10 has upward the first movable contact spring group termination draw-in groove 101 and the second movable contact spring group termination draw-in groove 102,
It is respectively used to accommodate the first movable contact spring group termination and the second movable contact spring group termination；The He of first movable contact spring group termination draw-in groove 101
Second movable contact spring group termination draw-in groove 102 is generally aligned in the same plane position with special shape gear 12.
The structural relation and operation principle of a kind of motor-driven each part of two phase relays described in the utility model be：
The motor 2 is fixedly mounted in housing 1, and a worm screw 13 is housed on motor shaft；Worm screw 13 and worm-gear toothing wheel set 9
Engagement；The center of worm-gear toothing wheel set 9 is steel shaft 8, and special shape gear 12 is fixedly mounted in housing 1, special shape gear 12 and worm-gear toothing
Wheel set 9 is engaged.
As shown in Fig. 2 turbine gear pair 9 drives special shape gear 12, the drivening rod 11 of special shape gear 12, connecting rod 11 drives to be slided
Dynamic bar 10, slider bar 10 drives the first movable contact 5 and the second movable contact 16 to move, and the first movable contact 5 is closed with the first stationary contact 6
Close or disconnect, and the second movable contact 16 is closed or disconnected with the second stationary contact 15；
As shown in figure 3, the slider bar 10 has upward the first movable contact spring group termination draw-in groove 101 and the second movable contact spring group end
Head draw-in groove 102, with reference to shown in Fig. 2, is respectively used to accommodate the first movable contact spring group termination and the second movable contact spring group termination；Two terminations
It is following be only contact, because the first movable contact spring group 4 and the second movable contact spring group 17 are all that elasticity is very strong, so two groups of contacts
Contact is reliable.
Because the utility model is using design the first movable contact spring group termination draw-in groove 101 and the second movable contact spring group termination card upwards
Groove 102, so by motor 2, drive mechanism and the joint drawn all are designed among an aspect, also just greatly reduce this
The volume of utility model.
Compared with prior art, on the premise of original positive and negative pulse drive pattern is kept, the utility model first
Individual beneficial effect is the pressure that motor drive mode improves sound contact, and can make sound contact flexible contact, is eliminated
Contact bounce, when relay is in and closes or open operating mode, Worm Wheel System has good latching characteristics, makes the electricity of contact
Life-span and arc resistant ability strengthen, and are also beneficial to relay and realize automated production, so as to can reduce manufacturing cost and improve matter
The uniformity of amount.
Second advantage is that this relay more tends to slimming, reduces relay volume, optimizes product structure；
3rd advantage is, for single phase power supply devises two groups of contacts, to be also turned on or disconnect live wire and zero line, is increased
Electrical safety is added.
Above content is only preferred embodiment of the present utility model, for one of ordinary skill in the art, according to this reality
With new thought, will change in specific embodiments and applications, this specification content should not be construed as
To limitation of the present utility model.
Claims (3)
1. a kind of motor-driven two phase relay, the relay includes housing（1）, the housing（1）Inside it is provided with motor
（2）, it is characterised in that：The motor（2）The worm screw of connection（13）Drive turbine gear pair（9）, turbine gear pair（9）Drive different
Shape gear（12）, special shape gear（12）Drivening rod（11）, connecting rod（11）Drive slider bar（10）, slider bar（10）Drive first
Movable contact（5）With the second movable contact（16）It is mobile, make the first movable contact（5）With the first stationary contact（6）Closure disconnects, Yi Ji
Two movable contacts（16）With the second stationary contact（15）Closure disconnects；
First movable contact（5）By the first movable contact spring group（4）With the first dynamic spring lead-out tablet（3）Electrical connection, described first moves
Spring lead-out tablet（3）Draw in housing（1）Outer part is live wire joint one（21）, first stationary contact（6）It is quiet by first
Reed（7）Draw in housing（1）Outer part is live wire joint two（22）；
Second movable contact（16）By the second movable contact spring group（17）With the first dynamic spring lead-out tablet（18）Electrical connection, described second
Dynamic spring lead-out tablet（18）Draw in housing（1）Outer part is earth connection point one（61）, second stationary contact（15）By
Two static contact spring pieces（14）Draw in housing（1）Outer part is respectively earth connection point two（62）With earth connection point three（63）.
2. motor-driven two phase relay of one kind according to claim 1, it is characterised in that：
The earth connection point one（61）To earth connection point three（63）The distance between be less than live wire joint one（21）To live wire joint
Two（22）The distance between.
3. motor-driven two phase relay of one kind according to claim 1, it is characterised in that：
The slider bar（10）There is the first upward movable contact spring group termination draw-in groove（101）With the second movable contact spring group termination draw-in groove
（102）, it is respectively used to accommodate the first movable contact spring group termination and the second movable contact spring group termination；First movable contact spring group termination draw-in groove
（101）With the second movable contact spring group termination draw-in groove（102）With special shape gear（12）It is generally aligned in the same plane position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621267871.0U CN206210716U (en) | 2016-11-23 | 2016-11-23 | A kind of motor-driven two phase relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621267871.0U CN206210716U (en) | 2016-11-23 | 2016-11-23 | A kind of motor-driven two phase relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206210716U true CN206210716U (en) | 2017-05-31 |
Family
ID=58747433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621267871.0U Active CN206210716U (en) | 2016-11-23 | 2016-11-23 | A kind of motor-driven two phase relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206210716U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107170649A (en) * | 2017-06-08 | 2017-09-15 | 广西睿奕科技发展有限公司 | It is a kind of to simultaneously turn off zero line and the magnetic latching relay of phase line |
| WO2024104199A1 (en) * | 2022-11-14 | 2024-05-23 | 厦门宏发汽车电子有限公司 | Relay module and relay control system |
-
2016
- 2016-11-23 CN CN201621267871.0U patent/CN206210716U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107170649A (en) * | 2017-06-08 | 2017-09-15 | 广西睿奕科技发展有限公司 | It is a kind of to simultaneously turn off zero line and the magnetic latching relay of phase line |
| WO2024104199A1 (en) * | 2022-11-14 | 2024-05-23 | 厦门宏发汽车电子有限公司 | Relay module and relay control system |
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