CN109243925A - A kind of relay and its contact apparatus - Google Patents
A kind of relay and its contact apparatus Download PDFInfo
- Publication number
- CN109243925A CN109243925A CN201811148839.4A CN201811148839A CN109243925A CN 109243925 A CN109243925 A CN 109243925A CN 201811148839 A CN201811148839 A CN 201811148839A CN 109243925 A CN109243925 A CN 109243925A
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- reed
- contact
- connecting plate
- relay
- contact apparatus
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- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 123
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000003068 static effect Effects 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 244000089486 Phragmites australis subsp australis Species 0.000 claims 1
- 230000008450 motivation Effects 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 10
- 238000005265 energy consumption Methods 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 244000273256 Phragmites communis Species 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
- H01H1/54—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position by magnetic force
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
- Contacts (AREA)
Abstract
The present invention relates to a kind of relay and its contact apparatus, in a kind of contact apparatus of relay of the invention, first connecting plate is equipped with the first reed, since the free end of the first reed is equipped with movable contact, the free end of the second reed is equipped with stationary contact and extends to the middle part of hollow hole on the second connecting plate；In this way, when the first connecting plate is driven by driving mechanism and the movable contact on the first reed is driven to compress the stationary contact on the second reed, first reed and the second reed can all generate flexible deformation, it can either guarantee that movable contact and stationary contact reliably contact in this way, it can also buffer and reduce the reaction force between movable contact and stationary contact, so that spring and actuation time between reducing contact, reduce stress caused by part, a kind of relay of the invention and its contact apparatus structure are simple, easy to use.
Description
Technical field
The present invention relates to a kind of relay and its contact apparatus, fill more particularly to a kind of electromagnetic relay and its contact
It sets.
Background technique
Magnetic latching relay has been developed in recent years a kind of new type of relay and a kind of automatic switch.And other
Electromagnetic relay is the same, plays turn on automatically and cutting action to circuit.The difference is that magnetic latching relay is normally closed or normal
Open state be entirely rely on permanent-magnet steel effect, the conversion of switch state be by one fixed width pulse electrical signal triggering and
It completes.
Intelligent capacitor magnetic latching relay is a kind of pulsed drive and the new type of relay with self-retaining function, application
Magnetic latching relay realizes reactive compensation, and excessively, investment current over-zero is cut off condenser voltage zero.Intelligent capacitor magnetic keep after
Electric appliance plays absolutely essential effect in intelligent capacitor work, increases permanent-magnet steel in its coil, can be in coil
Continue to keep the contacts status (disconnect or be connected) before coil blackout after power-off, electric energy can be saved, can be good at reducing point
Loss, plays the role of energy saving reactive compensation.
With the continuous development of intelligent capacitor industry, it is desirable that the power consumption of intelligent capacitor magnetic latching relay should be as far as possible
It is small, the research and development of reactive power compensation technology are acted on, do not require nothing more than small in size, light weight, reliable operation, it is often more important that it is required that its
Energy consumption wants small, the reaction force that relay moving contact component and static contact component in the prior art generate when contacting with each other
Larger, part generates biggish stress, this makes relay acting more, and loss is bigger, and actuation time is longer.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of relays and its contact to fill
It sets, can reduce energy consumption, structure is simple, easy to use.
To achieve the above object, the present invention provides a kind of contact apparatus of relay, adopt the following technical scheme that it is a kind of after
The contact apparatus of electric appliance, comprising:
Moving contact component, the moving contact component include the first connecting plate and the first reed, the head end of first reed
It is fixed on the first connecting plate, the tail end of the first reed is free end, and the tail end of the first reed is equipped with movable contact；
Static contact component, the static contact component include the second connecting plate, are connected with the second reed on the second connecting plate, the
Two connecting plates are equipped with a hollow hole, and the head end of second reed is connected to the edge of hollow hole, the tail end of the second reed
For free end；The tail end of second reed is equipped with stationary contact and extends to the middle part of hollow hole；
First connecting plate is driven by driving mechanism and the movable contact on the first reed is driven to compress or far from described quiet
Contact.
Preferably, first reed is equipped with T shape compensating groove, and the T shape compensating groove includes the first groove portion and the second slot
Portion, the first groove portion close to the first reed head end and extend along the width direction of the first reed, the second groove portion is from the first groove portion
Centre extends to the tail end of the first reed.
Preferably, if first reed is formed by dry plate metal plate layer is folded.
Preferably, the head end of second reed is welded on the edge of hollow hole.
Preferably, second reed and the second connecting plate are integral structure made of being punched as metal plate.
Preferably, first connecting plate and the first reed vertically extend, and the lower end of the first reed is fixed on
On first connecting plate, the upper end of the first reed is free end；Second connecting plate also vertically extends, and the hollow hole is set to
The lower end of second connecting plate.
It preferably, further include the shell for accommodating moving contact component and static contact component, the stationary contact is arranged in the second spring
The front of piece, has gap between the back side and inner walls of the second reed, the back side of the second reed is equipped with resilient snubber；When
When the stationary contact is compressed by movable contact, the second reed presses to the inner walls to make resilient snubber be against in shell
On wall.
It is further preferable that the stationary contact, from the prominent connecting column in the second reed back, the resilient snubber is to cover
Elastic ring on connecting column, the shell are equipped with evacuation slot corresponding with connecting column position.
Correspondingly with the contact apparatus of relay of the invention a kind of, the present invention also provides a kind of relay, including it is above-mentioned
The contact apparatus and driving mechanism of relay described in technical solution or its any preferred technical solution, the driving machine
Structure and the first connecting plate are sequentially connected.
As described above, a kind of relay of the present invention and its contact apparatus, have the advantages that in the present invention
A kind of relay contact apparatus in, the first connecting plate is equipped with the first reed, due to the free end of the first reed be equipped with it is dynamic
The free end of contact, the second reed is equipped with stationary contact and extends to the middle part of hollow hole on the second connecting plate；In this way, when the first company
Fishplate bar by driving mechanism drive and drive the first reed on movable contact compress the stationary contact on the second reed when, the first reed and
Second reed can all generate flexible deformation, can either guarantee that movable contact and stationary contact reliably contact in this way, additionally it is possible to buffering and
Reduce the reaction force between movable contact and stationary contact, to reduce the acting energy consumption of relay, reduce spring between contact and
Actuation time, reduce stress caused by part, a kind of relay of the invention and its contact apparatus structure are simple, user
Just.
Detailed description of the invention
Fig. 1 is shown as a kind of structural schematic diagram of relay of the invention.
Fig. 2 is shown as the schematic diagram of moving contact component and static contact component off-state.
Fig. 3 is shown as the schematic diagram of moving contact component and static contact component contact condition.
Fig. 4 be shown as the first reed from along Fig. 3 C to observation structural schematic diagram.
Fig. 5 be shown as the second connecting plate from along Fig. 3 F to observation structural schematic diagram.
Component label instructions
1 moving contact component
2 first connecting plates
3 first reeds
4 movable contacts
5 static contact components
6 second connecting plates
7 second reeds
8 hollow holes
9 stationary contacts
10 T shape compensating grooves
11 first groove portions
12 second groove portions
13 shells
14 connecting columns
15 elastic rings
16 driving mechanisms
17 electromagnetic coils
18 actuating arms
19 pin shafts
20 linking arms
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification to be taken off
The content shown is not intended to limit the invention enforceable qualifications so that those skilled in the art understands and reads, therefore
Do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the present invention
Under the effect of can be generated and the purpose that can reach, it should all still fall in disclosed technology contents and obtain the model that can cover
In enclosing.Meanwhile cited such as "upper" in this specification, "lower", "left", "right", " centre " and " one " term, be also only
Convenient for being illustrated for narration, rather than to limit the scope of the invention, relativeness is altered or modified, in no essence
It changes under technology contents, when being also considered as the enforceable scope of the present invention.
As shown in Figure 1 to Figure 3, the present invention provides a kind of contact apparatus of relay, comprising:
Moving contact component 1, the moving contact component 1 include the first connecting plate 2 and the first reed 3, first reed 3
Head end is fixed on the first connecting plate 2, the tail end of the first reed 3 be free end (i.e. the tail end of the first reed 3 not with other parts
Fixed, when stress, can be freely moved), the tail end of the first reed 3 is equipped with movable contact 4；
Static contact component 5, the static contact component 5 include the second connecting plate 6, are connected with the second spring on the second connecting plate 6
Piece 7, the second connecting plate 6 are equipped with a hollow hole 8, and the head end of second reed 7 is connected to the edge of hollow hole 8, and second
The tail end of reed 7 is free end when stress (i.e. the tail end of the second reed 7 is not fixed with other parts, can be freely moved)；Second
The tail end of reed 7 is equipped with stationary contact 9 and extends to the middle part of hollow hole 8；
First connecting plate 2 is driven by driving mechanism 16 and drives the movable contact 4 on the first reed 3 to compress or far from institute
State stationary contact 9.
In a kind of contact apparatus of relay of the invention, the first connecting plate 2 is equipped with the first reed 3, due to first
The free end of reed 3 is equipped with movable contact 4, and the free end of the second reed 7 is equipped with stationary contact 9 and extends on the second connecting plate 6 and engraves
The middle part of emptying aperture 8；In this way, when the first connecting plate 2 is driven by driving mechanism 16 and the movable contact 4 on the first reed 3 is driven to compress
When stationary contact 9 on the second reed 7, the first reed 3 and the second reed 7 can all generate flexible deformation, can either guarantee to move in this way
Contact 4 and stationary contact 9 reliably contact, additionally it is possible to the reaction force between buffering and reduction movable contact 4 and stationary contact 9, thus
The acting energy consumption of relay is reduced, reduces stress caused by part, a kind of relay of the invention and its contact apparatus structure
Simply, easy to use.
In a kind of contact apparatus of relay of the invention, when movable contact 4 and stationary contact 9 contact, movable contact 4 and quiet
Contact 9 mutually compresses and generates the reaction force for resisting driving mechanism 16, in order to further decrease generated reaction force, drop
The energy consumption of low relay, as shown in figure 4, first reed 3 is equipped with T shape compensating groove 10, the T shape compensating groove 10 includes the
One groove portion 11 and the second groove portion 12, the first groove portion 11 close to the first reed 3 head end and prolong along the width direction of the first reed 3
It stretches, the second groove portion 12 extends from the centre of the first groove portion 11 to the tail end of the first reed 3.The head end of first reed 3 is fixed on
On one connecting plate 2, it can be deformed at its head end link position when the first 3 stress of reed, since the first groove portion 11 is leaned on
The head end of nearly first reed 3 simultaneously extends along the width direction of the first reed 3, in this way, when the first reed 3 is bent the stress that generates compared with
Small, the second groove portion 12 extends among the first groove portion 11 to the tail end of the first reed 3, can further decrease the first reed in this way
Generated stress when 3 bending.First reed 3 generate stress it is smaller can make reaction force suffered by driving mechanism 16 compared with
It is small, it improves the movement speed of relay, reduce actuation time, to reduce the energy consumption of relay.First reed 3 is by electric current
The first connecting plate 2 is passed to, the first reed 3 is made of an electrically conducting material, as a preferred embodiment, first reed
3 are laminated by several sheet metals, and every sheet metal is all very thin, in this way, the first reed 3 is in deformation, energy between each sheet metal
Micro relative movement is enough generated, to reduce the internal stress of the first reed 3.
In a kind of contact apparatus of relay of the invention, the first reed 3 be moving contact component 1 a part, first
Reed 3 has good elasticity, can generate biggish bending deformation, and the second reed 7 is a part of static contact component 5, the
Two reeds 7 are connected on the second connecting plate 6 and the free end of the second reed 7 extends in hollow hole 8, as one preferred
The head end of embodiment, second reed 7 is welded on the edge of hollow hole 8, can also be utilized by the way of punch press process
Second reed 7 and the second connecting plate 6 are punched into a single integrated structure by metal plate.
As shown in Figure 1 to Figure 3, first connecting plate 2 and the first reed 3 vertically extend, the first reed 3
Lower end is fixed on the first connecting plate 2, and the upper end of the first reed 3 is free end；Second connecting plate 6 also vertically extends,
The hollow hole 8 is set to the lower end of the second connecting plate 6.When the movable contact 4 and stationary contact 9 of relay are closed contact, driving machine
Structure 16 drives the lower end of the first connecting plate 2 and the first reed 3 to press to the second connecting plate 6, and movable contact 4 is just pressed on stationary contact 9
On, stationary contact 9 is compressed and the second reed 7 is made to generate certain bending deformation, and movable contact 4 also generates anti-work to the first reed 3
Firmly it is deformed the first reed 3, in this way, the first reed 3 and the second reed 7 have the trend mutually pushed against, to make
It obtains stationary contact 9 and movable contact 4 keeps compressing and contacting.As shown in Figure 1, relay, which also has, accommodates moving contact component 1 and stationary contact
The front of the second reed 7, the back side of the second reed 7 and 13 inner wall of shell is arranged in the shell 13 of head assembly 5, the stationary contact 9
Between there is gap, the back side of the second reed 7 is equipped with resilient snubber；When the stationary contact 9 is compressed by movable contact 4, the
Two reeds 7 press to 13 inner wall of shell to make resilient snubber be against on 13 inner wall of shell.In this way, resilient snubber and keeping away
Exempt from the second reed 7 to offset with 13 inner wall of shell and generate biggish reaction force, additionally it is possible to so that the second reed 7 keeps preferable
Rebound trend so that the contact between stationary contact 9 and movable contact 4 is more reliable, moreover, can also be the second spring between elastic buffer
The rebound rebound energy storage of piece 7, reduces relay actuation time.As shown in Figures 2 and 3, the stationary contact 9 is carried on the back from the second reed 7
Portion protrudes a connecting column 14, and the resilient snubber is the elastic ring 15 covered on connecting column 14, the shell 13 be equipped with
The corresponding evacuation slot (not shown) in 14 position of connecting column, in this way, when the second reed 7 is compressed, elastic ring 15 and shell
13 inner wall of body contradicts, and connecting column 14 can be in evacuation slot without contradicting with shell 13.
Correspondingly with the contact apparatus of relay of the invention a kind of, as shown in Figure 1, the present invention also provides a kind of relays
Device, contact apparatus and driving mechanism including relay described in above-mentioned technical proposal or its any preferred technical solution
16, the driving mechanism 16 and the first connecting plate 2 are sequentially connected.As shown in Figure 1, the driving mechanism 16 includes electromagnetic coil
17, actuating arm 18 and connecting plate, the actuating arm 18 are rotatably connected on pin shaft 19, and the lower end of actuating arm 18 is flexibly connected
There is a linking arm 20, linking arm 20 is flexibly connected with the first connecting plate 2, and electromagnetic coil 17 can drive the upper of the actuating arm 18
End is swung, and 18 upper end of actuating arm, which is swung, can drive 18 lower end of actuating arm to swing, to drive the linking arm 20 along a left side of Fig. 1
Right direction is mobile, and then the first connecting plate 2 and the first reed 3 is driven to swing in left-right direction, so that movable contact 4 and the second reed
The contact of stationary contact 9 or separation on 7.
Technical solution based on the above embodiment, of the invention a kind of relay and its contact apparatus can guarantee movable contact
It is reliably contacted with stationary contact, additionally it is possible to the reaction force between buffering and reduction movable contact and stationary contact, to reduce relay
The acting energy consumption of device reduces stress caused by part, and structure is simple, easy to use.
In conclusion the present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (9)
1. a kind of contact apparatus of relay, comprising:
Moving contact component (1), the moving contact component (1) include the first connecting plate (2) and the first reed (3), first spring
The head end of piece (3) is fixed on the first connecting plate (2), and the tail end of the first reed (3) is free end, the tail end of the first reed (3)
Equipped with movable contact (4)；
Static contact component (5), the static contact component (5) include the second connecting plate (6), and the is connected on the second connecting plate (6)
Two reeds (7), the second connecting plate (6) are equipped with a hollow hole (8), and the head end of second reed (7) is connected to hollow hole
(8) edge, the tail end of the second reed (7) are free end；The tail end of second reed (7) is equipped with stationary contact (9) and extends to and engraves
The middle part of emptying aperture (8)；
First connecting plate (2) is driven by driving mechanism (16) and the movable contact (4) on the first reed (3) is driven to compress or far
From the stationary contact (9).
2. the contact apparatus of relay according to claim 1, it is characterised in that: first reed (3) is equipped with T shape
Compensating groove (10), the T shape compensating groove (10) include the first groove portion (11) and the second groove portion (12), the first groove portion (11) close the
The head end of one reed (3) simultaneously extends, centre of the second groove portion (12) from the first groove portion (11) along the width direction of the first reed (3)
Extend to the tail end of the first reed (3).
3. the contact apparatus of relay according to claim 1, it is characterised in that: first reed (3) is if by dry plate
Sheet metal is laminated.
4. the contact apparatus of relay according to claim 1, it is characterised in that: the head end of second reed (7) welds
Connect the edge in hollow hole (8).
5. the contact apparatus of relay according to claim 1, it is characterised in that: second reed (7) and second connects
Fishplate bar (6) is integral structure made of being punched as metal plate.
6. the contact apparatus of relay according to claim 1, it is characterised in that: first connecting plate (2) and first
Reed (3) vertically extends, and the lower end of the first reed (3) is fixed on the first connecting plate (2), the first reed (3)
Upper end is free end；Second connecting plate (6) also vertically extends, and the hollow hole (8) is set under the second connecting plate (6)
End.
7. the contact apparatus of relay according to claim 1, it is characterised in that: further include accommodating moving contact component (1)
With the shell (13) of static contact component (5), the stationary contact (9) is arranged in the front of the second reed (7), the second reed (7)
There is gap, the back side of the second reed (7) is equipped with resilient snubber between the back side and shell (13) inner wall；When the stationary contact
(9) when being compressed by movable contact (4), the second reed (7) presses to the shell (13) inner wall to make resilient snubber be against shell
On body (13) inner wall.
8. the contact apparatus of relay according to claim 7, it is characterised in that: the stationary contact (9) is from the second reed
(7) back is prominent a connecting column (14), and the resilient snubber is the elastic ring (15) covered on connecting column (14), the shell
(13) it is equipped with evacuation slot corresponding with connecting column (14) position.
9. a kind of relay, characterized in that the contact apparatus including the described in any item relays of claim 1 to 8, and drive
Motivation structure (16), the driving mechanism (16) and the first connecting plate (2) are sequentially connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811148839.4A CN109243925B (en) | 2018-09-29 | 2018-09-29 | Relay and contact device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811148839.4A CN109243925B (en) | 2018-09-29 | 2018-09-29 | Relay and contact device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109243925A true CN109243925A (en) | 2019-01-18 |
| CN109243925B CN109243925B (en) | 2024-02-09 |
Family
ID=65054703
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811148839.4A Active CN109243925B (en) | 2018-09-29 | 2018-09-29 | Relay and contact device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109243925B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111787648A (en) * | 2020-07-28 | 2020-10-16 | 中国原子能科学研究院 | Heating device and off-pile experimental device with same |
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| US4639702A (en) * | 1984-10-09 | 1987-01-27 | Omron Tateisi Electronics Co. | Reed 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 |
| WO2015089902A1 (en) * | 2013-12-18 | 2015-06-25 | 北海市深蓝科技发展有限责任公司 | Micro-jitter electromagnetic relay |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111787648A (en) * | 2020-07-28 | 2020-10-16 | 中国原子能科学研究院 | Heating device and off-pile experimental device with same |
| CN111787648B (en) * | 2020-07-28 | 2022-03-11 | 中国原子能科学研究院 | Heating device and off-pile experimental device with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109243925B (en) | 2024-02-09 |
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