CN203416563U - Antimagnetic shielding cover, magnetic latching relay system, and intelligent electricity meter - Google Patents
Antimagnetic shielding cover, magnetic latching relay system, and intelligent electricity meter Download PDFInfo
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- CN203416563U CN203416563U CN201320486744.XU CN201320486744U CN203416563U CN 203416563 U CN203416563 U CN 203416563U CN 201320486744 U CN201320486744 U CN 201320486744U CN 203416563 U CN203416563 U CN 203416563U
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- latching relay
- magnetic latching
- cover
- ground plane
- hole
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Abstract
The embodiment of the utility model provides an antimagnetic shielding cover, a magnetic latching relay system with the antimagnetic shielding cover, and an intelligent electricity meter. The antimagnetic shielding cover comprises a cover body part and a cover opening part. The cover body part is provided with a shielding surface; and the shielding surface encloses to form an accommodation space for accommodating the magnetic latching relay. The cover opening part is formed in space which is not enclosed by the shielding surface of the cover body part, and is used for the magnetic latching relay to enter or leave the accommodation space. The shielding surface of the cover body part is provided with a through hole. Through the embodiment of the utility model, the material usage amount and the parts weight of the antimagnetic shielding cover can be reduced, and the shockproof performance of the relay system is improved; and, the through hole is also beneficial to improve the radiating performance of the relay system.
Description
Technical field
The utility model relates to relay field, relates in particular to a kind of antimagnetic shield cover for the external magnetic field of magnetic latching relay is shielded, and magnetic latching relay system and the intelligent electric meter with this radome.
Background technology
Magnetic latching relay is a kind of new type of relay growing up in recent years, is also a kind of automatic switch.The same with other electromagnetic relays, circuit is played to automatic connection and cutting action.
Existing magnetic latching relay is comprised of magnetic circuit system, contact system, pushing portion and housing conventionally, wherein: magnetic circuit system, contact system and pushing portion are contained in respectively in housing, housing comprises shell and base, magnetic circuit system is generally comprised of the magnetic circuit of two almost symmetries, comprises static magnetic conductor parts, movable magnetic conductor parts and coil; Contact system comprises moving spring part and quiet spring part; Pushing portion is generally taken on by push card.Relay coil leads to direct impulse voltage, magnetic circuit system work, and push card promotes moving spring part, makes contact contact, the actuating of relay, coil leads to reverse impulse voltage, magnetic circuit system work, push card promotes moving spring part, and contact is disconnected, and relay resets.
Existing magnetic latching relay is generally used in power industry, such as for ammeter, in ammeter environment for use, there is disturbing magnetic field, and the interference of external magnetic field easily causes the magnetic circuit system of magnetic latching relay to change, and then make relay contact state variation, thereby cause the expense of ammeter to control disabler.
Prior art adds magnet shielding structure in the outside of magnetic latching relay, be used for stopping outside high-intensity magnetic field and the magnetic field intensity that decays in limited distance, thereby avoid the interference of high-intensity magnetic field to electromagnetic system, improve the anti-strong magnetic disturbance ability of magnetic latching relay, guarantee the normal operation of the expense control function of ammeter.
Should be noted that above the introduction of technical background is just carried out to clear, complete explanation for convenient to the technical solution of the utility model, and facilitate those skilled in the art's understanding to set forth.Can not only because of these schemes, in background technology of the present utility model, partly carry out setting forth and thinking that technique scheme is conventionally known to one of skill in the art.
Utility model content
Inventor of the present utility model finds when implementing prior art: the existing antimagnetic shield cover for magnetic latching relay adopts electrical pure iron plate more, therefore weight is larger, the weight that has caused installing additional the magnetic latching relay system of antimagnetic shield cover significantly increases, reduced the shock resistance of relay integral body, so, by actual installation in intelligent electric meter time, magnetic latching relay system performance in the situation that being given a shock easily changes; And magnetic latching relay is housed inside in antimagnetic shield cover, be also unfavorable for heat radiation.
The purpose of this utility model is to improve anti-seismic performance and the heat dispersion of magnetic latching relay system.
According to the utility model embodiment aspect, the utility model embodiment provides a kind of antimagnetic shield cover, for the external magnetic field to magnetic latching relay, shields, and this antimagnetic shield cover comprises:
Cover main part, it has ground plane, and described ground plane encloses for holding the spatial accommodation of described magnetic latching relay, and wherein, described ground plane has through hole;
Cover peristome, it is formed at the part that described cover main part is not enclosed by described ground plane, for entering or leave described spatial accommodation for described magnetic latching relay.
According to the utility model embodiment on the other hand, the utility model embodiment also provides a kind of magnetic latching relay system, and this magnetic latching relay system comprises:
Magnetic latching relay, it opens or closes according to inputted voltage;
Antimagnetic shield cover described in above-described embodiment, it holds described magnetic latching relay.
According to the one side again of the utility model embodiment, the utility model embodiment also provides a kind of intelligent electric meter, and it has the magnetic latching relay system as described in above-described embodiment.
The beneficial effects of the utility model are: on the ground plane of antimagnetic shield cover, through hole is set, can reduce materials'use amount and the pts wt of antimagnetic shield cover, thereby reduce the weight of the magnetic latching relay system that has installed antimagnetic shield cover additional, improved the shock resistance of relay system; And through hole is also conducive to improve the heat dispersion of relay system; In addition, the shockproof properties with the intelligent electric meter of this magnetic latching relay system is also improved, thereby guarantees the expense control function normal operation of this intelligent electric meter.
Explanation and accompanying drawing with reference to hereinafter, disclose particular implementation of the present utility model in detail, and having indicated principle of the present utility model can adopted mode.Should be appreciated that, execution mode of the present utility model in scope not thereby be restricted.In the spirit of claims and the scope of clause, execution mode of the present utility model comprises many changes, revises and is equal to.
The feature of describing and/or illustrating for a kind of execution mode can be used in same or similar mode in one or more other execution mode, combined with the feature in other execution mode, or substitutes the feature in other execution mode.
Should emphasize, term " comprises/comprises " existence that refers to feature, whole or assembly while using herein, but does not get rid of the existence of one or more further feature, whole or assembly or additional.
Accompanying drawing explanation
Fig. 1 is the structural representation of the antimagnetic shield cover of the utility model embodiment 1;
Fig. 2 is the structure chart of the magnetic latching relay system of the utility model embodiment 2.
Embodiment
With reference to accompanying drawing, by specification below, aforementioned and further feature of the present utility model will become obvious.In specification and accompanying drawing, specifically disclose particular implementation of the present utility model, it has shown wherein can adopt the part execution mode of principle of the present utility model, will be appreciated that, the utility model is not limited to described execution mode, on the contrary, the utility model comprises whole modifications, modification and the equivalent in the scope that falls into claims.
Embodiment 1
Fig. 1 is the structural representation of the antimagnetic shield cover of the utility model embodiment 1.As shown in Figure 1, this antimagnetic shield cover 100 comprises:
Cover main part 101, it has ground plane 102, and ground plane 102 encloses for holding the spatial accommodation 103 of magnetic latching relay, and wherein, ground plane has through hole 104;
In the present embodiment, cover main part 101 has a plurality of ground planes 102, and the plurality of ground plane 102 encloses the spatial accommodation 103 that forms for holding magnetic latching relay; But, this antimagnetic shield cover 100 is not a totally enclosed cover body, the part that does not have conductively-closed face 102 to enclose at cover main part 101, be formed with cover peristome 105, this cover peristome is in communication with the outside spatial accommodation 103, thereby be convenient to magnetic latching relay, from cover peristome 105, enter this spatial accommodation, or leave from this spatial accommodation.
As shown in Figure 1, in an embodiment, cover main part 101 can have 3 ground planes 102, and these 3 ground planes 102 enclose cross section for the spatial accommodation 103 of " U " font; Certainly, in other execution mode, cover main part 101 can have 4 ground planes 102, take and forms the spatial accommodation 103 that the cross section that encloses of four sides is " mouth " font; Or cover main part 101 can have 5 ground planes 102, wherein, only on a face of cover main part 101, do not cover ground plane.
In embodiment of the present utility model, the ground plane 102 of cover main part 101 can be made by permeability magnetic material.Permeability magnetic material can stop the high-intensity magnetic field coming from the outside the magnetic field intensity that decays in limited distance, thereby keep out D.C. magnetic field, disturbs, and improves the anti-strong magnetic disturbance ability of magnetic latching relay.In one embodiment, permeability magnetic material can be for example electrical pure iron.
In the present embodiment, a monoblock permeability magnetic material can be carried out to Bending Processing, thereby form a plurality of ground planes 102, and acquisition is enclosed and formed cover main part 101 by ground plane 102.In other execution modes, can form a plurality of independently ground planes 102, by welding or the mode such as riveted joint connects each ground plane 102, ground plane 102 is enclosed and form cover main part 101.
In Fig. 1, the upper side of this cover main part 101, downside and a side wall surface do not cover ground plane, thereby upper side, downside and this side wall surface at cover main part are formed with respectively three cover peristomes 105, as shown in the dotted line frame of Fig. 1, this cover peristome can enter or leave this spatial accommodation 103 for magnetic latching relay.
In embodiment of the present utility model, on the ground plane 102 of antimagnetic shield cover 100, there is through hole 104.Owing to thering is through hole, can reduce the quality of ground plane 102, thereby reduce the quality of whole antimagnetic shield cover 100.
In Fig. 1, through hole 104 is distributed on each ground plane 102 of cover main part.In other execution mode, through hole 104 can only be distributed on partly shielding effect face, for example, for 3 ground planes 102 of Fig. 1, can be only has through hole on therein 1 or 2 ground planes.
In concrete execution mode, through hole 104 can have shape arbitrarily.In Fig. 1, through hole 104 is circle or rectangle.In other execution mode, through hole 104 can be flute profile, triangle, ellipse, five-pointed star type or other are polygonal, or, can mix the combination of using above-mentioned shape, for example, on a ground plane 102, can there is the through hole of circle or rectangle simultaneously.It should be noted that and on same ground plane, form the identical and equally distributed through hole of shape, can reduce difficulty of processing, and guarantee uniform antimagnetic shield effect and radiating effect uniformly.
In addition, in the present embodiment, for the ground plane 102 that has through hole 104 for each, the through hole on this ground plane can have size and quantity arbitrarily.In one embodiment, the gross area that can be set to the through hole 104 on this ground plane 102 accounts for below 60% of these ground plane 102 areas, thereby guarantee that this ground plane 102 has enough diamagnetic field energy power, can effectively reduce the weight of this ground plane simultaneously and improve heat-sinking capability.
From above-described embodiment, on the ground plane of antimagnetic shield cover, through hole is set, can reduce materials'use amount and the pts wt of antimagnetic shield cover, thereby reduce the weight of the magnetic latching relay system that has installed antimagnetic shield cover additional, improve the shock resistance of relay system; And through hole is also conducive to improve the heat dispersion of relay system.
Embodiment 2
The utility model embodiment provides a kind of magnetic latching relay system and intelligent electric meter, on the basis of embodiment 1, the utility model is further detailed.Wherein the content identical with embodiment 1 repeats no more.
Fig. 2 is the structure chart of the magnetic latching relay system of the utility model embodiment 2.As shown in Figure 2, magnetic latching relay system 200, comprising:
In the present embodiment, magnetic latching relay 201 can open or close according to the voltage of input, thereby realizes the function of automatic switch.About structure and the operation principle of magnetic latching relay 201, can be with reference to prior art, the utility model embodiment repeats no more.
The antimagnetic shield cover 100 that magnetic latching relay system 200 is used can reference example 1 description, this antimagnetic shield cover 100 is contained in magnetic latching relay 201 in spatial accommodation 103, and, on the ground plane of antimagnetic shield cover 100, also can there is through hole.
In addition, the utility model embodiment also provides a kind of intelligent electric meter (scheming not shown) with above-mentioned magnetic latching relay system.About structure and the operation logic of intelligent electric meter, can be with reference to prior art, the utility model embodiment repeats no more.In this intelligent electric meter, by the described magnetic latching relay system of the utility model embodiment, replace existing magnetic latching relay system, thereby can improve the shockproof properties of intelligent electric meter integral body.
From the present embodiment, on the ground plane of antimagnetic shield cover, through hole is set, can reduce the weight of magnetic latching relay system, improve the shock resistance of relay system; And through hole is also conducive to improve the heat dispersion of relay system; In addition, the shockproof properties with the intelligent electric meter of this magnetic latching relay system is also improved, thereby guarantees the expense control function normal operation of this intelligent electric meter.
The concrete execution mode of above combination is described the utility model, but it will be apparent to those skilled in the art that these descriptions are all exemplary, is not the restriction to the utility model protection range.Those skilled in the art can make various variants and modifications to the utility model according to spirit of the present utility model and principle, and these variants and modifications are also in scope of the present utility model.
Claims (8)
1. an antimagnetic shield cover, shields for the external magnetic field to magnetic latching relay, it is characterized in that, described antimagnetic shield cover comprises:
Cover main part, it has ground plane, and described ground plane encloses for holding the spatial accommodation of described magnetic latching relay;
Cover peristome, it is formed at the part that described cover main part is not enclosed by described ground plane, for entering or leave described spatial accommodation for described magnetic latching relay;
Wherein, on the described ground plane of described cover main part, there is through hole.
2. antimagnetic shield cover as claimed in claim 1, is characterized in that, described through hole is positioned at described in each of described cover main part on ground plane, or described through hole is positioned on the described ground plane of part of described cover main part.
3. antimagnetic shield cover as claimed in claim 1, is characterized in that, for each, has the ground plane of described through hole, and the gross area of described through hole accounts for below 60% of described ground plane area.
4. antimagnetic shield cover as claimed in claim 1, is characterized in that, the shape of described through hole is consistent and arrange evenly.
5. antimagnetic shield cover as claimed in claim 1, is characterized in that, the quantity of the described ground plane of described cover main part is 3,4 or 5.
6. antimagnetic shield cover as claimed in claim 1, is characterized in that, the described ground plane of described cover main part is made by electrical pure iron.
7. a magnetic latching relay system, is characterized in that, described magnetic latching relay system comprises:
Magnetic latching relay, its voltage according to input opens or closes circuit;
Antimagnetic shield cover as described in claim 1-6, it holds described magnetic latching relay.
8. an intelligent electric meter, it has magnetic latching relay system as claimed in claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320486744.XU CN203416563U (en) | 2013-08-09 | 2013-08-09 | Antimagnetic shielding cover, magnetic latching relay system, and intelligent electricity meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320486744.XU CN203416563U (en) | 2013-08-09 | 2013-08-09 | Antimagnetic shielding cover, magnetic latching relay system, and intelligent electricity meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203416563U true CN203416563U (en) | 2014-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320486744.XU Expired - Fee Related CN203416563U (en) | 2013-08-09 | 2013-08-09 | Antimagnetic shielding cover, magnetic latching relay system, and intelligent electricity meter |
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| CN (1) | CN203416563U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110953395A (en) * | 2019-10-23 | 2020-04-03 | 北京宇航系统工程研究所 | Anti-magnetic interference device of electromagnetic valve for oil conveying pipeline and electromagnetic valve system |
-
2013
- 2013-08-09 CN CN201320486744.XU patent/CN203416563U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110953395A (en) * | 2019-10-23 | 2020-04-03 | 北京宇航系统工程研究所 | Anti-magnetic interference device of electromagnetic valve for oil conveying pipeline and electromagnetic valve system |
| CN110953395B (en) * | 2019-10-23 | 2021-08-10 | 北京宇航系统工程研究所 | Anti-magnetic interference device of electromagnetic valve for oil conveying pipeline and electromagnetic valve system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140129 Termination date: 20170809 |
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| CF01 | Termination of patent right due to non-payment of annual fee |