CN208208670U - Miniature electro-magnetic relay suitable for intelligent socket - Google Patents
Miniature electro-magnetic relay suitable for intelligent socket Download PDFInfo
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- CN208208670U CN208208670U CN201820440136.8U CN201820440136U CN208208670U CN 208208670 U CN208208670 U CN 208208670U CN 201820440136 U CN201820440136 U CN 201820440136U CN 208208670 U CN208208670 U CN 208208670U
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- armature
- spring
- intelligent socket
- contact portion
- dynamic
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 235000014676 Phragmites communis Nutrition 0.000 abstract description 12
- 238000009434 installation Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model discloses a kind of miniature electro-magnetic relays suitable for intelligent socket, including ontology, and are set to the magnetic circuit part and contact portion of the ontology, and magnetic circuit part includes coil, yoke, armature；The quantity of the contact portion is at least two groups, and each group contact portion respectively includes dynamic spring and quiet spring, moves spring and the cooperation of quiet spring, and be respectively equipped with the first bending part on dynamic spring and quiet spring.The setting of first bending part changes the sheet type design of the quiet spring of tradition, dynamic spring, on the basis of not increasing manufacturing cost, increasing assembly difficulty, realizes the current carrying area that relay increases reed under limited bulk, promotion reed current-carrying capability purpose；The quantity of first bending part combination contact portion is the design of at least two groups, be also turned on the relay of the utility model can and meets the installation requirement of socket high load, small size with zero firewire of disjunction, raising intelligent socket safety.
Description
Technical field
The utility model relates to a kind of electromagnetic relay, more particularly to a kind of compact electromagnetic suitable for intelligent socket after
Electric appliance.
Background technique
In recent years, external regulation of putting into effect in succession produced the smart homes such as intelligent socket, the intelligent switch of connection power grid
Product, it is necessary to have the function of simultaneously switching off zero firewire.Intelligent socket is all made of the scheme of two relays at this stage, not only accounts for
With space is big, at high cost and synchronization time difference it is big.Because intelligent socket is for load current (general to require to be not less than 16A)
Be distinctly claimed, at present two group relay statuses on the market be able to satisfy small size installation electric current it is too small, electric current is able to satisfy
It is required that volume it is again larger, and price is higher, therefore is badly in need of the electricity of a small size high current for being adapted to intelligent socket
Magnetic relay.
The basic functional principle of electromagnetic relay is to convert electrical energy into magnetic energy to be then converted into mechanical energy, be can turn on using machinery
The circuit controlled with disjunction realizes the effect of " relay ".For the existing miniature relay for having two groups of switchings, reed is (i.e.
Dynamic spring and quiet spring) current-carrying capability it is weak (refer generally to electric current 10A and within), high current bring heat cannot be carried, otherwise held
Easily cause initial failure and on fire.The existing medium-and-large-sized relay for having two groups of switchings, although reed current-carrying capability is strong, body
Product is big, and (general height is not able to satisfy intelligent socket small size installation requirement all in 20mm or more).
In traditional relay design, reed mostly uses sheet type structure, because overall space limits, leads to reed current-carrying
Ability can not be promoted further.It is for example to increase contact reliability although many products have made design improvement in detail now
And current-carrying capability, by the way of double-contact or reed bifurcated, high conductivity material is used, although these modes more or less have
Help the solution of problem, but also sacrifices manufacturing cost simultaneously, increases assembly difficulty.
Utility model content
The utility model provides a kind of miniature electro-magnetic relay suitable for intelligent socket, and can be suitably used for intelligent socket has
Limit the small size installation in space, can reliable zero firewire of disjunction, meet the application of intelligent socket high load, highly reliable, high safety want
It asks.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of small electrical suitable for intelligent socket
Magnetic relay, including ontology, and be set to the magnetic circuit part and contact portion of the ontology, magnetic circuit part include coil, yoke,
Armature；The quantity of the contact portion is at least two groups, and each group contact portion respectively includes dynamic spring and quiet spring, and dynamic spring and quiet spring are matched
It closes, and is respectively equipped with the first bending part on dynamic spring and quiet spring.
Further, first bending part is in " Π " font, and the width direction of the dynamic spring or quiet spring where it is set
It sets；At least two groups contact portion is set side by side.
Further, it is equipped with several limited blocks in the ontology, cooperates at the first bending part back side of the dynamic spring.
Further, the ontology includes shell and pedestal, and the magnetic circuit part, contact portion are set on the base；Institute
It states armature and contact portion is oppositely arranged, armature is cooperated by several push rods and each dynamic spring；Cage connection pedestal, and by magnetic circuit part
Divide and contact portion is included in its shell chamber.
Further, each push rod can be slidably arranged on pedestal respectively along the distribution arrangement of armature and dynamic spring, and respectively be pushed away
Bar is respectively fitting between the armature and corresponding dynamic spring；If the base top is equipped with along the distribution arrangement of armature and dynamic spring
Dry sliding slot, activity is interspersed in corresponding sliding slot to each push rod one by one respectively.
Further, the armature bottom is pressed against the edge of a knife of the yoke by pressure spring, which is equipped with for armature bottom
The second bending part end station vertical inclined-plane and be integrally connected with the inclined-plane tail end, the armature bottom end face are equipped with oblique with pressure spring
The rake of face cooperation, second bending part are resisted against the armature lateral surface.
Further, the pressure spring is additionally provided with stopper section, which is resisted against the armature lateral surface；The pressure spring is also
Equipped with two limiting sections to limit armature or more play, two side bottoms where the armature width direction are respectively equipped with one and prolong
Extending portion, two limiting sections cooperate one by one on two extensions, and have prepsetting gap between each limiting section and corresponding extension.
Further, the stopper section is circular arc kinking structure, and its tail end is resisted against the armature lateral surface；The limit
Portion is quarter bend structure；The oblique angle of the rake is 2 °~5 °.
Further, be combined with position limiting structure between the armature and the outer casing inner wall, the movement upward to armature away from
From and/or the moving distance in armature towards the direction away from dynamic spring limited.
Further, the position limiting structure includes L shape convex block and the armature top setting of the outer casing inner wall setting
Groove, the horizontal component of convex block is arranged along the distribution arrangement for moving spring and armature, the horizontal component activity inlay card of groove and convex block
Together, the vertical portion of convex block extends downwardly, and cooperates on the outside of the armature.
A kind of miniature electro-magnetic relay suitable for intelligent socket of the utility model, compared with traditional relay,
In the limited situation of installation space, realizes that relay reliably switches large current load, can be widely applied to intelligent socket.Described
The design of one bending part, under relay volume limited situation promoted reed current-carrying capability, while utilize " Π " character form structure with
Limited block cooperation in ontology forms the arcing reduced between dynamic spring rebound and contact from limiting.Using horizontally disposed several
Push rod, mounting means is easy, is simple to manufacture, and avoids the shaking for moving spring and armature residual gap in motion process, it is reliable to promote product contact
Property.The inclined-plane of pressure spring, the second bending part and armature bottom end rake cooperation, it is ensured that the effective of armature and the yoke edge of a knife matches
It closes, promotes magnetic circuit efficiency.Position limiting structure between the stopper section of pressure spring and the cooperation of limiting section and armature and armature top and shell
Design, it is ensured that armature movement process is not fallen out, and greatly improves the security and reliability of product.
Compared to the prior art, the utility model has the following beneficial effects:
1, the setting of first bending part changes the sheet type design of the quiet spring of tradition, dynamic spring, do not increase manufacture at
Originally, on the basis of increasing assembly difficulty, the current-carrying that relay increases reed (i.e. quiet spring and dynamic spring) under limited bulk is realized
Area promotes reed current-carrying capability purpose；The quantity of first bending part combination contact portion is the design of at least two groups, makes this reality
It can be also turned on novel relay and meet socket high load, small size with zero firewire of disjunction, raising intelligent socket safety
Installation requirement.
2, the design of the limited block cooperates with the first bending part of dynamic spring, plays good position-limiting action to dynamic spring, drops
Arcing between low dynamic spring rebound and contact.In addition, the mode of the position-limit mechanisms such as rivet need to be increased by moving spring back with traditional sheet type
Compare, the limited block cooperates the design of the first bending part, also help the volume for reducing relay, and reduce manufacturing cost and
Assembly difficulty.
3, each push rod can be slidably arranged on pedestal by the utility model along the distribution arrangement of armature and dynamic spring respectively, and
Each push rod is respectively fitting between the armature and corresponding dynamic spring, is solved tradition and is directly connect push rod with armature, dynamic spring
Existing following problems: during the motion easily because the shaking of push rod causes the shaking of armature or dynamic spring, so as to cause fortune
Arcing between dynamic interference or contact；Push rod and dynamic spring, armature, which directly assemble, is easy to produce clamping soft flocks.Also that is, the utility model
The assembly method of used push rod, not only simple installation, be simple to manufacture, save the cost, it is thus also avoided that due to the shaking of push rod
Cause armature and dynamic spring to shake, or even the risk to fall off, improves the contact reliability of product.
4, the setting of the armature bottom rake cooperates the structure design of the pressure spring inclined-plane, the second bending part, with biography
System riveted type armature is compared, it can be ensured that armature is effectively bonded with the yoke edge of a knife, reduces armature rotation process and the yoke edge of a knife
Gap effectively promotes magnetic circuit efficiency；The structure of stopper section and limiting section designs on the pressure spring, cooperates with armature, further mentions
Armature motion reliability is risen.The pressure spring of the utility model does not need to rivet compared with traditional pressure spring, and bending arm is short, is not easy
Deformation.
5, the position limiting structure cooperated between the armature and outer casing inner wall, improves that armature is anti-drop and impact capacity.
The utility model is described in further detail with reference to the accompanying drawings and embodiments；But one kind of the utility model is suitable
Miniature electro-magnetic relay for intelligent socket is not limited to the embodiment.
Detailed description of the invention
Fig. 1 is the decomposition diagram of the utility model；
Fig. 2 is the pedestal of the utility model and the assembling schematic diagram of dynamic spring, quiet spring；
Fig. 3 is the pedestal of the utility model and the assembling schematic diagram of push rod；
Fig. 4 is the structural schematic diagram of the armature of the utility model；
Fig. 5 is the structural schematic diagram of the pressure spring of the utility model；
Fig. 6 is the armature of the utility model and the assembling schematic diagram of pressure spring；
Fig. 7 is the armature of the utility model and the assembling schematic diagram of shell.
Specific embodiment
Embodiment, referring to Figure 1 shown in-Fig. 7, a kind of compact electromagnetic relay suitable for intelligent socket of the utility model
Device, magnetic circuit is horizontal, including ontology, magnetic circuit part and contact portion, ontology include shell 8 and pedestal 7, and magnetic circuit part connects
Contact portion, which sets up separately, sets on pedestal 7, and 8 bottom end oral area of shell connects pedestal 7, and magnetic circuit part and contact portion are included in its shell chamber
In.Magnetic circuit part includes coil (not embodying in figure), yoke (not embodying in figure), armature 3, the iron of grafting in armature 3 and coil
The pole-face of core one end cooperates, and yoke is connect with the other end of the iron core of grafting in coil, and the edge of a knife of yoke is matched with 3 bottom end of armature
It closes.The quantity of the contact portion is two groups, but not limited to this, for example, the quantity of contact portion also can be set to more than two
Group.Two groups of contact portions are set side by side, and symmetrically.Each group contact portion respectively includes dynamic spring 5 and quiet spring 6, and the two is corresponding
Cooperation, and the first bending part 51,61 is respectively equipped on dynamic spring 5 and quiet spring 6.
In the present embodiment, first bending part 51/61 is in " Π " font, but not limited to this, for example, the first bending part
It can also be in "U" shaped or " C " font etc..First bending part 51 of dynamic spring 5 is arranged in dynamic spring 5 along the width direction of dynamic spring
The medium position of quiet spring 6 is arranged in along the width direction of quiet spring 6 for portion position, the first bending part 61 of quiet spring 6.
In the present embodiment, the pedestal 7 of the ontology is equipped with several limited blocks 71, cooperates the first folding in the dynamic spring 5
51 back side of turn of bilge, as shown in Fig. 2, the back side of first bending part 51 refers to the outer end face at the position of arching upward of " Π " font.Tool
Body, the quantity of limited block 71 altogether there are four, the back side of the first bending part 51 of each dynamic spring 5 is matched with two limited blocks 71 respectively
It closes, dynamic spring 5 is limited, the arcing between the dynamic rebound of spring 5 and contact is effectively reduced.
In the present embodiment, the armature 3 and contact portion are oppositely arranged, and armature 3 is matched by several push rods 4 with each dynamic spring 5
It closes.Each push rod 4 can be slidably arranged on pedestal 7 respectively along the distribution arrangement of armature 3 and dynamic spring 5, and each push rod 4 is respectively cooperating with
Between the armature 3 and corresponding dynamic spring 5.Specifically, if 7 top of the pedestal is equipped with along the distribution arrangement of armature 3 and dynamic spring 5
Dry sliding slot 72, activity is interspersed in corresponding sliding slot 72 to each push rod 4 one by one respectively.The quantity of the push rod 4 shares four, should
Four push rods 4 are cooperated by two push rods 4 and armature 3 respectively along same level direction parallelly distribute on, each dynamic spring 5.The armature 3
Refer to armature 3 and dynamic spring 5 in the distribution arrangement of ontology (the specifically pedestal 7 of ontology), the present embodiment with the distribution arrangement of dynamic spring 5
In, armature 3 and dynamic spring 5 are distributed on the length direction of pedestal, but not limited to this.
In the present embodiment, 3 bottom end of armature is pressed against the edge of a knife of the yoke by pressure spring 2.As shown in Figure 4,5, should
The second folding that 2 medium position of pressure spring is integrally connected equipped with the inclined-plane 21 and one end stood for 3 bottom end of armature and 21 tail end of inclined-plane
Turn of bilge 22；The 3 bottom end end face of armature is equipped with the rake 31 cooperated with the inclined-plane 21 of pressure spring 2, and the oblique angle of the rake 31 is
2 °~5 °, in the present embodiment, the oblique angle of the rake 31 is approximately equal to 3 °.When assembly, the rake 31 of 3 bottom end of armature, which contacts against, is being pressed
On the inclined-plane 21 of spring 2, the back of the second bending part 22 of pressure spring 2 is resisted against 32 bottom of lateral surface of the armature 3.The armature
3 lateral surface 32 refers on armature 3 back to a side of dynamic spring 5 namely the non-working surface of armature 3.
In the present embodiment, second bending part 22 is in " V "-shape, but not limited to this, for example, the second bending part 22
It can be in "U" shaped or " C " font etc..The inclined-plane 21 and the second bending part 22 at 2 middle part of pressure spring form S-shaped structure, protect armature 3
While reduce armature 3 rotation process and the yoke edge of a knife gap, effectively improve magnetic circuit efficiency.
In the present embodiment, as shown in figure 5, the pressure spring 2 is additionally provided with stopper section 23 and two limiting sections 24, stopper section 23 is circle
Arc kinking structure, tail end are resisted against the lateral surface 32 of the armature 3, play backstop action to armature 3.The 3 width side of armature
It is respectively equipped with an extension 33 to two side bottoms at place, two limiting sections 24 cooperate one by one on two extensions 33, and each limit
There is prepsetting gap between position portion 24 and corresponding extension 33.Two limiting section 24 is respectively quarter bend structure, with rank
Two extensions 33 cooperation on iron 3, prevents play above and below in 3 rotation process of armature.The quantity of the stopper section 23 is specially two
A, two stopper section 23 is between two limiting sections 24.
In the present embodiment, it is combined with position limiting structure between 8 inner wall of the armature 3 and the shell, the shifting upward to armature 3
Dynamic distance and the moving distance in armature 3 towards the direction away from dynamic spring 5 are limited.The position limiting structure includes in the shell 8
The L shape convex block 81 of wall setting and the groove 34 of 3 top of armature setting, the horizontal component of convex block 81 is along dynamic spring 5 and armature 3
Distribution arrangement setting, groove 34 and the horizontal component active card of convex block 81 are embedded in together, and the vertical portion of convex block 81 extends downwardly,
And cooperate in 3 outside of armature.The horizontal component of the convex block 81 is specifically located at the inner top surface of shell 8, the convex block 81
Vertical portion the medial surface of shell 8 is set.Armature 3 is relied solely on compared with 2 riveting method of pressure spring with tradition, improves production
The entirety of product is anti-drop and impact capacity.The quantity of the convex block 81 and groove 34 is respectively two, but not limited to this, two is convex
Block 81 cooperates one by one with two grooves 34.
A kind of miniature electro-magnetic relay suitable for intelligent socket of the utility model, uses connecing for two groups of symmetric designs
Contact portion point can be also turned on and zero firewire of disjunction, raising intelligent socket safety.To meet socket high load, small size installation
It is required that the dynamic spring 5 of contact portion, quiet spring 6 are changed to band " Π " character form structure by traditional plain film, increase reed current-carrying face indirectly
Product promotes reed current-carrying capability.Dynamic spring 5 discharges process by " Π " character form structure (i.e. the first bending part 51) and pedestal 7
Limited block 71 cooperates, and can play good limit, reduces the arcing between the dynamic rebound of spring 5 and contact.
Using four root knot structures, consistent, horizontally disposed simple push rod 4 realizes that push rod 4 is pushed up horizontal through pedestal 7 to drive system
The sliding slot 72 of portion's setting avoids due to the shaking of push rod 4 compared with the push rod of traditional relay is by dynamic spring and limiting position of armature
Cause armature 3 and dynamic spring 5 to shake, or even the risk to fall off, promotes the contact reliability of product.4 simple installation of push rod, manufacture letter
It is single, save the cost.The L shape convex block 81 for groove 34 and 8 inner top of the shell setting being arranged at the top of armature 3 cooperates, and lift armature 3 is anti-
Fall and impact capacity.The inclined-plane 21 and the second bending part 22 of 2 medium position of the pressure spring setting of magnetic circuit part form S-shaped structure,
Cooperate with 3 bottom of armature, it is ensured that armature 3 is bonded with the effective of the yoke edge of a knife, promotes magnetic circuit efficiency.Stopper section 23 on pressure spring 2
Cooperate with the extension 33 of 3 left and right sides of 3 lateral surface of armature and armature and support, further lift armature 3 respectively with limiting section 24
Motion credibility.
Above-described embodiment only be used to further illustrate a kind of compact electromagnetic suitable for intelligent socket of the utility model after
Electric appliance, but the utility model is not limited to embodiment, and all foundation the technical essence of the utility model are to above embodiments institute
Any simple modification, equivalent change and modification of work, each fall in the protection scope of technical solutions of the utility model.
Claims (10)
1. being suitable for the miniature electro-magnetic relay of intelligent socket, including ontology, and it is set to the magnetic circuit part of the ontology and connects
Contact portion point, magnetic circuit part includes coil, yoke, armature；It is characterized by: the quantity of the contact portion is at least two groups, respectively
Group contact portion respectively includes dynamic spring and quiet spring, moves spring and the cooperation of quiet spring, and be respectively equipped with the first bending part on dynamic spring and quiet spring.
2. the miniature electro-magnetic relay according to claim 1 suitable for intelligent socket, it is characterised in that: first folding
Turn of bilge is in " Π " font, and the width direction of the dynamic spring or quiet spring where it is arranged；At least two groups contact portion is arranged side by side
Setting.
3. the miniature electro-magnetic relay according to claim 1 or 2 suitable for intelligent socket, it is characterised in that: described
It is equipped with several limited blocks in body, cooperates at the first bending part back side of the dynamic spring.
4. the miniature electro-magnetic relay according to claim 1 suitable for intelligent socket, it is characterised in that: the ontology packet
Shell and pedestal are included, the magnetic circuit part, contact portion are set on the base；The armature and contact portion are oppositely arranged, rank
Excessively several push rods of Tie Tong and each dynamic spring cooperate；Cage connection pedestal, and magnetic circuit part and contact portion are included in its shell chamber.
5. the miniature electro-magnetic relay according to claim 4 suitable for intelligent socket, it is characterised in that: each push rod difference
Can be slidably arranged on pedestal along the distribution arrangement of armature and dynamic spring, and each push rod be respectively fitting into the armature with it is corresponding
Between dynamic spring；The base top is equipped with several sliding slots along the distribution arrangement of armature and dynamic spring, and each push rod is lived one by one respectively
It is dynamic to be interspersed in corresponding sliding slot.
6. the miniature electro-magnetic relay according to claim 1 or 4 or 5 suitable for intelligent socket, it is characterised in that: described
Armature bottom is pressed against the edge of a knife of the yoke by pressure spring, the pressure spring be equipped with the inclined-plane stood for armature bottom and with the inclined-plane
The second bending part that tail end is integrally connected, the armature bottom end face are equipped with the rake cooperated with the inclined-plane of pressure spring, and described the
The back of two bending parts is resisted against the armature lateral surface.
7. the miniature electro-magnetic relay according to claim 6 suitable for intelligent socket, it is characterised in that: the pressure spring is also
Equipped with stopper section, which is resisted against the armature lateral surface；The pressure spring is additionally provided with to limit armature or more play
Two limiting sections, two side bottoms where the armature width direction are respectively equipped with an extension, and two limiting sections cooperate one by one two
On extension, and there is prepsetting gap between each limiting section and corresponding extension.
8. the miniature electro-magnetic relay according to claim 7 suitable for intelligent socket, it is characterised in that: the stopper section
For circular arc kinking structure, and its tail end is resisted against the armature lateral surface；The limiting section is quarter bend structure；The rake
Oblique angle is 2 °~5 °.
9. the miniature electro-magnetic relay according to claim 4 or 5 suitable for intelligent socket, it is characterised in that: the rank
It is combined with position limiting structure between iron and the outer casing inner wall, the moving distance upward to armature and/or armature are towards away from dynamic spring
The moving distance in direction is limited.
10. the miniature electro-magnetic relay according to claim 9 suitable for intelligent socket, it is characterised in that: the limit
Structure includes the L shape convex block of the outer casing inner wall setting and the groove of armature top setting, and the horizontal component of convex block is along dynamic
The horizontal component active card of the setting of the distribution arrangement of spring and armature, groove and convex block is embedded in together, and the vertical portion of convex block is downward
Extend, and cooperates on the outside of the armature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820440136.8U CN208208670U (en) | 2018-03-29 | 2018-03-29 | Miniature electro-magnetic relay suitable for intelligent socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820440136.8U CN208208670U (en) | 2018-03-29 | 2018-03-29 | Miniature electro-magnetic relay suitable for intelligent socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208208670U true CN208208670U (en) | 2018-12-07 |
Family
ID=64524971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820440136.8U Withdrawn - After Issue CN208208670U (en) | 2018-03-29 | 2018-03-29 | Miniature electro-magnetic relay suitable for intelligent socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208208670U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321034A (en) * | 2018-03-29 | 2018-07-24 | 厦门宏发电声股份有限公司 | A kind of miniature electro-magnetic relay suitable for intelligent socket |
-
2018
- 2018-03-29 CN CN201820440136.8U patent/CN208208670U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321034A (en) * | 2018-03-29 | 2018-07-24 | 厦门宏发电声股份有限公司 | A kind of miniature electro-magnetic relay suitable for intelligent socket |
| CN108321034B (en) * | 2018-03-29 | 2023-12-15 | 厦门宏发电声股份有限公司 | Small electromagnetic relay suitable for intelligent socket |
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| GR01 | Patent grant | ||
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181207 Effective date of abandoning: 20231215 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20181207 Effective date of abandoning: 20231215 |