CN202307713U - Silencing device - Google Patents
Silencing device Download PDFInfo
- Publication number
- CN202307713U CN202307713U CN2011204339312U CN201120433931U CN202307713U CN 202307713 U CN202307713 U CN 202307713U CN 2011204339312 U CN2011204339312 U CN 2011204339312U CN 201120433931 U CN201120433931 U CN 201120433931U CN 202307713 U CN202307713 U CN 202307713U
- Authority
- CN
- China
- Prior art keywords
- contactor
- vibration damper
- damper plate
- relay
- support
- 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
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Abstract
The utility model discloses a silencing device for a contactor or a relay. The silencing device comprises a support and a vibration damper plate for mounting a contactor or a relay. The vibration damper plate is fixed on one side of the support. The other side of the support is fixed on a casing, a mounting plate or a mounting support. A pressure plate is padded between the vibration damper plate and the support. The vibration damper plate is made from flexible material. The contactor or the relay are arranged in the center of the vibration damper plate. The vibration damper plate is fixed on the support via a connecting member. The connecting member is disposed on the periphery of the vibration damper plate. The silencing device for a contactor or a relay is simple to be manufactured, can be cooperated with a common contactor or a relay for using, and the cost of the device is much lower than that of a mute contactor or a mute relay. Moreover, the silencing device allows noise of equipment to be minimized to a great extent, enables the service life of the contactor or the relay to be prolonged, and enables the maintenance cost to be reduced.
Description
Technical field
The utility model relates to a kind of contactor or relay, the silencing means of particularly a kind of contactor or relay.
Background technology
In industry control and relevant industries thereof, all can use common contactor (or relay, below be example only), and major part is installed in the casing with the contactor, like this, and all can be closed and the mechanical action that breaks off because of contactor, cause resonance, produce very big noise.Strengthen mounting panel thickness in the casing, reduce vibration frequency, avoid resonance frequency, can play certain erasure effect, but DeGrain, and increased cost; Use special-purpose quiet contactor, not only volume is big, price is high, and portable auxiliary contact limited amount, is not suitable for complicated control logic circuit.
Shown in Figure 1A, traditional installation method is that contactor is directly installed in the case on mounting panel or the mounting bracket 1.Shown in Figure 1B, contactor is closed, the iron core impact moment, and movable core 14 can be given 16 1 active forces left of secured core, and secured core 16 can be given mounting panel or 1 one active forces of mounting bracket again, will cause resonance like this, produces very big noise; And iron core bump moment, air gap changes, and causes producing between armature contact 10 and the fixed contact 9 a large amount of electric arc, and oxidation consumption contact material shortens useful life of contactor.
The utility model content
The technical problem that the utility model will solve provides a kind of contactor or relay of reducing because of closed and break off the silencing means of the noise that produces.
For solving the problems of the technologies described above; The utility model provides a kind of contactor silencing means; Comprise: support and the vibration damper plate that is used to install a contactor, said vibration damper plate is fixed in a side of said support, and the opposite side of said support is fixed on a casing, mounting panel or the mounting bracket.
Optional, be lined with pressing plate between described vibration damper plate and the support.
Optional, described vibration damper plate adopts flexible material to process.
Optional, described contactor is installed in the central authorities of vibration damper plate.
Optional, described vibration damper plate is fixed on the support through link, and described link is arranged on the periphery of vibration damper plate, thereby reserves the space of deformation for the vibration damper plate middle body.
The utility model also provides a kind of relay silencing means, comprising: support and the vibration damper plate that is used to install a relay, and said vibration damper plate is fixed in a side of said support, and the opposite side of said support is fixed on a casing, mounting panel or the mounting bracket.
Optional, be lined with pressing plate between described vibration damper plate and the support.
Optional, described vibration damper plate adopts flexible material to process.
Optional, described relay is installed in the central authorities of vibration damper plate.
Optional, described vibration damper plate is fixed on the support through link, and described link is arranged on the periphery of vibration damper plate, thereby reserves the space of deformation for the vibration damper plate middle body.
The utility model by technique scheme constitutes has following advantage:
One, contactor or relay are installed on the vibration damper plate, vibration damper plate is connected with support, mounting panel in support and the casing or mounting bracket is connected again.So just avoided directly being rigidly connected between contactor or relay and the casing.The mechanical action of contactor or relay closes and disconnection only can vibrations produce slight sound because of himself iron core collision causes, can with these vibrations further conduction cause resonance to casing, produce bigger noise, reduce the equipment noise to a great extent.
When two, vibration damper plate can be offset contactor or relay closes; Secured core is given the opposition of movable core, like this, and when contactor or relay closes; Can guarantee not contact air gap between fixed contact and the armature contact; Avoid the generation of contact arc, delayed the oxidation of contact, prolonged the useful life of contactor.
Three, this contactor or relay silencing means are made simply, can share with common contactor or relay, and cost have reduced maintenance cost still far below quiet contactor or mute relay.
Description of drawings
Figure 1A is the scheme of installation of a kind of contactor in the prior art;
Figure 1B is the structural representation during a kind of contactor closure state in the prior art;
Fig. 2 is the utility model structural representation;
Fig. 3 A, Fig. 3 B, Fig. 3 C are respectively the structural representation of the utility model when contactor disconnection, closure and closed stable state.
Embodiment
For above-mentioned purpose, the feature and advantage that make the utility model can be more obviously understandable, the embodiment of the utility model is done detailed explanation below in conjunction with accompanying drawing.
Link is example with the connecting bolt in the present embodiment; As shown in Figure 2; Be labeled as first connecting bolt 2, second connecting bolt 6 and the 3rd connecting bolt 7 respectively; But the utility model is not limited thereto, and can also connect through forms such as welding, one-body molded, buckle-type connections, and other connected modes are not just given unnecessary details one by one.
As shown in Figure 2; When contactor silencing means of the utility model and contactor share, a contactor was fixed in the central part of vibration damper plate 4 through the 3rd connecting bolt 7, and vibration damper plate 4 adopts flexible materials to process; Elastomeric material for example; Vibration damper plate 4 is fixed in support 3 one sides through second connecting bolt 6, and the opposite side of support 3 is fixed in casing, mounting panel or mounting bracket 1 through first connecting bolt 2, in present embodiment; Second connecting bolt 6 is positioned at the outer peripheral areas of vibration damper plate 4, thereby reserves the space of deformation for vibration damper plate 4 central parts.In addition, be lined with pressing plate 5 between vibration damper plate 4 and the support 3, pressing plate 5 can better the damp impacts vibrations.
For ease to the explanation of the utility model operation principle; The structure of contactor is formed under the brief account now; General contactor comprises: spring 15, secured core 16 and control power coil 17 between control power-line terminal 8, fixed contact binding post 9, armature contact binding post 10, armature contact insulator 11, armature contact spring 12, contactor insulation crust 13, movable core 14, iron core; Control power-line terminal 8 is connected in control power coil 17 through lead, and control power coil 17 is placed on the secured core 16, is provided with spring 15 between iron core between secured core 16 and the movable core 14; Armature contact binding post 10 is arranged on the movable core 14; Armature contact spring 12 is arranged on the armature contact binding post 10, and armature contact insulator 11 is placed in armature contact spring 12 peripheries, and fixed contact binding post 9 is arranged on the contactor insulation crust 13 with control power-line terminal 8; Contactor has three operating states, is respectively disconnection, closed and closed stable state.
Shown in Fig. 3 A, this moment, contactor was in off-state, and control power-line terminal 8 does not have electric current to pass through, thereby control power coil 17 does not produce magnetic field with secured core 16, can not attract movable core 14.
Shown in Fig. 3 B, this moment, contactor was in closure state, and control power-line terminal 8 has electric current to pass through; Thereby control power coil 17 and secured core 16 generation magnetic fields, movable core 14 is at effect collision of the following moment secured core 16 in magnetic field, and movable core 14 can be given 16 1 active forces left of secured core; Secured core 16 can be given 4 one active forces left of vibration damper plate again, and deformation takes place the vibration damper plate 4 that flexible material is made, and vibration damper plate 4 utilizes self toughness; Balance out this active force after the distortion buffering, vibration frequency is far below the metal natural frequency, thereby casing or installation metallic plate 1 can not produce resonance; Just can not produce very big noise yet; And when from contactor closed moment during to stable state, 16 of movable core 14 and secured cores can not produce air gap, can not produce a large amount of electric arc between armature contact 10 and the fixed contact 9 yet; Contact oxidation is slowed down relatively, has prolonged the useful life of contactor.
Shown in Fig. 3 C, this moment, contactor was in closed stable state, and control power-line terminal 8 continues to have electric current to pass through, and control power coil 17 continues to produce magnetic field with secured core 16, and movable core 14 is in the state of being attracted always.
Visible from Fig. 3 A～3C, adopted the contactor silencing means of the utility model, closed again to the whole process of closed stable state at contactor from being disconnected to, can both play good erasure effect.
In like manner, this contactor silencing means can also be widened in the application of relay noise reduction, and its structure is identical with operation principle, and those skilled in the art should implement according to common technological know-how, so do not do concrete expansion at this.
The above is merely the preferred embodiment of the utility model, and all equalizations of being done according to the utility model claim scope change and modify, and all should belong to the covering scope of the utility model claim.
Claims (10)
1. a contactor silencing means is characterized in that, comprising: support and the vibration damper plate that is used to install a contactor, and said vibration damper plate is fixed in a side of said support, and the opposite side of said support is fixed on a casing, mounting panel or the mounting bracket.
2. contactor silencing means as claimed in claim 1 is characterized in that: be lined with pressing plate between described vibration damper plate and the support.
3. contactor silencing means as claimed in claim 1 is characterized in that: described vibration damper plate adopts flexible material to process.
4. contactor silencing means as claimed in claim 1 is characterized in that: described contactor is installed in the central authorities of vibration damper plate.
5. contactor silencing means as claimed in claim 1 is characterized in that: described vibration damper plate is fixed on the support through link, and described link is arranged on the periphery of vibration damper plate.
6. a relay silencing means is characterized in that, comprising: support and the vibration damper plate that is used to install a relay, and said vibration damper plate is fixed in a side of said support, and the opposite side of said support is fixed on a casing, mounting panel or the mounting bracket.
7. relay silencing means as claimed in claim 6 is characterized in that: be lined with pressing plate between described vibration damper plate and the support.
8. relay silencing means as claimed in claim 6 is characterized in that: described vibration damper plate adopts flexible material to process.
9. relay silencing means as claimed in claim 6 is characterized in that: described relay is installed in the central authorities of vibration damper plate.
10. relay silencing means as claimed in claim 6 is characterized in that: described vibration damper plate is fixed on the support through link, and described link is arranged on the periphery of vibration damper plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204339312U CN202307713U (en) | 2011-11-04 | 2011-11-04 | Silencing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204339312U CN202307713U (en) | 2011-11-04 | 2011-11-04 | Silencing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202307713U true CN202307713U (en) | 2012-07-04 |
Family
ID=46376556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204339312U Expired - Lifetime CN202307713U (en) | 2011-11-04 | 2011-11-04 | Silencing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202307713U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106206165A (en) * | 2016-09-07 | 2016-12-07 | 泉州圆创机械技术开发有限公司 | A kind of Shockproof relay |
| CN107845544A (en) * | 2017-10-31 | 2018-03-27 | 凯源新创（天津）科技有限公司 | A kind of contactor that can adjust rank power spring tension |
-
2011
- 2011-11-04 CN CN2011204339312U patent/CN202307713U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106206165A (en) * | 2016-09-07 | 2016-12-07 | 泉州圆创机械技术开发有限公司 | A kind of Shockproof relay |
| CN107845544A (en) * | 2017-10-31 | 2018-03-27 | 凯源新创（天津）科技有限公司 | A kind of contactor that can adjust rank power spring tension |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |
|
| CX01 | Expiry of patent term |