CN112951661A - Small-sized high-power relay - Google Patents
Small-sized high-power relay Download PDFInfo
- Publication number
- CN112951661A CN112951661A CN202110328937.1A CN202110328937A CN112951661A CN 112951661 A CN112951661 A CN 112951661A CN 202110328937 A CN202110328937 A CN 202110328937A CN 112951661 A CN112951661 A CN 112951661A
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- CN
- China
- Prior art keywords
- contact
- base
- coil
- yoke
- pin
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- 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.)
- Pending
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
- H01H50/041—Details concerning assembly of relays
- H01H50/043—Details particular to miniaturised relays
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
-
- 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
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/56—Contact spring sets
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
Abstract
The invention relates to a small-sized high-power relay.A contact mounting cavity and an electromagnetic mounting cavity are arranged on a base, an electromagnetic system component and a contact component can be directly mounted on the base, the defect that the occupied base space is large because a static contact of the original relay is mounted on a contact frame connected with a coil frame is overcome, more coils can be wound on the coil frame, the rated power is improved, and the assembly is convenient to adopt automatic equipment because the static contact is directly mounted on the base.
Description
Technical Field
The invention relates to an electromagnetic relay, in particular to a small-sized high-power relay.
Background
An electromagnetic relay is an electronic control device which uses smaller current and lower voltage to control larger current and higher voltage, is usually applied to an automatic control circuit, and plays the roles of automatic regulation, safety protection, circuit conversion and the like in the circuit. The existing small electromagnetic relay is generally assembled by adopting a mode of combining a coil rack and a contact rack, a static contact is arranged in the contact rack, the coil rack and the contact rack are arranged on a bottom plate, an upper cover covers the bottom plate, and the coil rack in the upper cover cannot be too large due to the fact that the contact rack occupies a certain volume, so that the power of the electromagnetic relay cannot be improved, and the assembling mode is not beneficial to automatic processing.
Disclosure of Invention
In view of this, the present invention provides a small-sized high-power relay with simple structure, small volume, convenient assembly and convenient automation production.
In order to achieve the above purpose, the invention adopts a small-sized high-power relay, which comprises a base, an upper cover covered outside the base, and a coil rack, a yoke iron, an armature, a movable spring and a static contact which are arranged on the base, wherein an iron core is arranged in the coil rack in a penetrating way, a coil is wound on the coil rack, the base includes bottom plate and curb plate, the curb plate encloses into contact installation cavity and electromagnetism installation cavity on the bottom plate, the contact installation cavity sets up outside a corner in electromagnetism installation cavity, the junction of contact installation cavity and electromagnetism installation cavity forms the contact door, the coil former sets up in the electromagnetism installation cavity, yoke and armature set up respectively at coil former both ends, armature articulates in yoke one end, the movable contact spring sets up on armature, the movable contact spring rear end is connected on the yoke, the movable contact spring front end passes the contact door and stretches into in the contact installation cavity, form static contact groove on the curb plate of contact installation cavity, the front end of the relative movable contact spring of static contact is connected at static contact inslot.
The electromagnetic relay has the advantages that the base is provided with the contact mounting cavity and the electromagnetic mounting cavity, the electromagnetic system assembly and the contact assembly can be directly mounted on the base, the defect that the occupied base space is large due to the fact that the static contact of the original relay is mounted on the contact frame connected with the coil frame is overcome, more coils can be wound on the coil frame, rated power is improved, and the automatic equipment can be conveniently used for assembly due to the fact that the static contact is directly mounted on the base.
The invention is further provided with static contacts at two sides of the front end of the movable spring, the contact mounting cavity forms static contact grooves on side plates at two sides of the static contact, and two sides of the static contact are clamped in the static contact grooves. The both sides card of static contact is in static contact inslot, simple to operate.
The invention is further provided that an insulating sheet is integrally formed in the electromagnetic mounting cavity of the base, the insulating sheet is arranged on one side of the coil frame, and the insulating sheet separates the coil from the yoke. The insulating piece and base integrated into one piece do not need additionally to install the insulating piece.
The invention is further arranged that the two ends of the insulation sheet form positioning blocks facing the coil rack, the coil rack forms positioning grooves matched with the positioning blocks, one side of the coil rack is positioned at one side of the insulation sheet through the matching between the positioning blocks and the positioning grooves, and the other side of the coil rack also forms positioning grooves matched with the side plates of the base to realize the positioning. The coil rack is positioned through the positioning block on the insulating sheet, so that the assembly is convenient, the position accuracy of the insulating sheet can be ensured, and the insulating effect of the insulating sheet on the coil and the yoke iron is ensured.
The invention is further provided that the movable contact block is arranged outside the joint of the movable reed and the yoke.
The invention is further arranged that a static contact pin is formed on the static contact, a movable contact pin is formed on the movable contact block, a coil pin is arranged on the coil rack, pin holes are formed on the base corresponding to the static contact pin, the movable contact pin and the coil pin, and the static contact pin, the movable contact pin and the coil pin respectively penetrate through the corresponding pin holes to be exposed below the base.
The invention is further provided that the inner side of the side plate of the base forms a yoke iron groove corresponding to the top end of the yoke iron, and the top end of the yoke iron is clamped in the yoke iron groove. The top end of the yoke iron is positioned through the yoke iron slot, and the top end of the yoke iron and the coil rack are positioned through the insulating sheet to fix the electromagnetic system together.
The invention is further provided that the side plate of the base forms a abdicating groove corresponding to the front end and the rear end of the movable reed respectively. The groove of stepping down makes things convenient for movable reed's installation, guarantees small.
Drawings
Fig. 1 is an exploded view of embodiment 1 of the present invention.
Fig. 2 is a schematic view of embodiment 1 of the present invention with the upper cover removed.
Fig. 3 is a front view of embodiment 1 of the present invention with the upper cover removed.
Fig. 4 is a front view of a base according to embodiment 1 of the present invention.
Fig. 5 is a front view of embodiment 2 of the present invention with the upper cover removed.
Detailed Description
As shown in fig. 1 to 4, embodiment 1 of the present invention is a small-sized high-power relay, including a base 1, an upper cover 2 covering the base 1, and a coil bobbin 3, a yoke 4, an armature 5, a movable spring 6, and a fixed contact 7 disposed on the base 1, wherein an iron core 31 penetrates inside the coil bobbin 3, a coil 32 is wound on the coil bobbin 3, the base 1 includes a bottom plate 11 and a side plate 12, the side plate 12 surrounds a contact mounting cavity 13 and an electromagnetic mounting cavity 14 on the bottom plate 11, the contact mounting cavity 13 is disposed outside one corner of the electromagnetic mounting cavity 14, a contact gate 15 is formed at a connection position of the contact mounting cavity 13 and the electromagnetic mounting cavity 14, the coil bobbin 3 is disposed in the electromagnetic mounting cavity 14, the yoke 4 and the armature 5 are respectively disposed at two ends of the coil bobbin 3, the armature 5 is hinged at one end of the yoke 4, the movable spring 6 is disposed on the armature 5, a rear end of the movable spring 6 is connected to the yoke, the movable contact spring 6 is provided with a movable contact block 8 at the outer side of the joint of the movable contact spring 6 and the yoke 4, the front end of the movable contact spring 6 penetrates through a contact door 15 and extends into a contact mounting cavity 13, both sides of the front end of the movable contact spring 6 are provided with fixed contacts 7, the contact mounting cavity 13 forms fixed contact grooves 16 on side plates 12 on both sides of the fixed contacts 7, both sides of the fixed contacts 7 are clamped in the fixed contact grooves 16, the fixed contacts 7 are provided with two fixed contacts, and the side plates 12 of the base 1 respectively form abdicating grooves 121 corresponding to the front end and the rear end of the movable contact spring 6.
Integrated into one piece has insulating piece 17 in base 11's electromagnetism installation cavity 14, insulating piece 17 sets up in coil former 3 one side, insulating piece 17 separates coil 32 and yoke 4, insulating piece 17's both ends form the locating piece 171 towards coil former 3, coil former 3's lower extreme is close to insulating piece one side and forms the constant head tank 33 with the locating piece 171 adaptation, coil former 3 realizes the location with insulating piece 17 through constant head tank 33 and locating piece 171's cooperation, the both sides of coil former 3 upper end respectively form step 35, the step 35 of both sides respectively with locating piece 171 of insulating piece 17 and the protruding joint on the curb plate 12, the inboard top that corresponds yoke 4 of curb plate 12 of base 1 forms yoke groove 122, the top card of yoke 4 is in yoke groove 122.
The static contact 7 is provided with a static contact pin 71, the movable contact block 8 is provided with a movable contact pin 81, the coil rack 3 is provided with a coil pin 34, the base 1 is provided with a pin hole 18 corresponding to the static contact pin 71, the movable contact pin 81 and the coil pin 34, and the static contact pin 71, the movable contact pin 81 and the coil pin 34 respectively penetrate through the corresponding pin holes 18 to be exposed below the base 1.
As shown in fig. 5, embodiment 2 of the present invention is a small-sized high-power relay in which a base and an upper cover are both square, and the base 1 is formed by filling an extension bottom plate 10 outside an original side plate 12 to form a complete square structure.
The above-described specific embodiments are the main embodiments of the present invention, and other variations, such as: the number of the contacts on the static contact and the movable reed can be set to be 1 or two; the sectional areas of the static contact pin and the movable contact pin can be adjusted according to the power of the relay, and the positions can be finely adjusted according to the installation position.
Claims (8)
1. The utility model provides a small-size high-power relay, includes the base, covers upper cover outside the base and coil former, yoke, armature, movable contact, the static contact of setting on the base, the iron core has been worn to put in coil former inside, has coiled its characterized in that on the coil former: the base includes bottom plate and curb plate, the curb plate encloses into contact installation cavity and electromagnetism installation cavity on the bottom plate, the contact installation cavity sets up outside a corner in electromagnetism installation cavity, the junction of contact installation cavity and electromagnetism installation cavity forms the contact door, the coil former sets up in the electromagnetism installation cavity, yoke and armature set up respectively at coil former both ends, armature articulates in yoke one end, the movable contact spring sets up on armature, the movable contact spring rear end is connected on the yoke, the movable contact spring front end passes the contact door and stretches into in the contact installation cavity, form static contact groove on the curb plate of contact installation cavity, the front end of the relative movable contact spring of static contact is connected at static contact inslot.
2. A small-sized high-power relay according to claim 1, characterized in that: and the two sides of the front end of the movable spring are provided with static contacts, the contact mounting cavities form static contact grooves on side plates on the two sides of the static contacts, and the two sides of the static contacts are clamped in the static contact grooves.
3. A small-sized high-power relay according to claim 1 or 2, characterized in that: the electromagnetism installation intracavity integrated into one piece of base has the insulating piece, and the insulating piece sets up in coil former one side, and the insulating piece separates coil and yoke.
4. A small-sized high-power relay according to claim 3, characterized in that: the both ends of insulating piece form the locating piece towards the coil former, form the constant head tank with the locating piece adaptation on the coil former, and coil former one side is fixed a position in insulating piece one side through the cooperation between locating piece and the constant head tank, and the coil former opposite side also forms the curb plate cooperation realization location of constant head tank and base.
5. A small-sized high-power relay according to claim 1 or 2, characterized in that: and a movable contact block is arranged on the outer side of the joint of the movable reed and the yoke.
6. A small-sized high-power relay according to claim 5, characterized in that: the static contact is provided with a static contact pin, the movable contact block is provided with a movable contact pin, the coil rack is provided with a coil pin, pin holes are formed on the base corresponding to the static contact pin, the movable contact pin and the coil pin, and the static contact pin, the movable contact pin and the coil pin respectively penetrate through the corresponding pin holes to be exposed below the base.
7. A small-sized high-power relay according to claim 4, characterized in that: a yoke iron groove is formed on the inner side of the side plate of the base corresponding to the top end of the yoke iron, and the top end of the yoke iron is clamped in the yoke iron groove.
8. A small-sized high-power relay according to claim 1 or 2, characterized in that: and the side plate of the base forms a yielding groove corresponding to the front end and the rear end of the movable spring plate respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110328937.1A CN112951661A (en) | 2021-03-27 | 2021-03-27 | Small-sized high-power relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110328937.1A CN112951661A (en) | 2021-03-27 | 2021-03-27 | Small-sized high-power relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112951661A true CN112951661A (en) | 2021-06-11 |
Family
ID=76226954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110328937.1A Pending CN112951661A (en) | 2021-03-27 | 2021-03-27 | Small-sized high-power relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112951661A (en) |
-
2021
- 2021-03-27 CN CN202110328937.1A patent/CN112951661A/en active Pending
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination |