CN218730684U - High-frequency relay - Google Patents
High-frequency relay Download PDFInfo
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- CN218730684U CN218730684U CN202222998142.4U CN202222998142U CN218730684U CN 218730684 U CN218730684 U CN 218730684U CN 202222998142 U CN202222998142 U CN 202222998142U CN 218730684 U CN218730684 U CN 218730684U
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Abstract
The utility model discloses a high-frequency relay, which comprises a base part; the base part comprises a coil, a static spring reed, a coil terminal and a first plastic body which integrates the coil, the static spring reed and the coil terminal into a whole piece in an injection molding mode; the static spring reed comprises a COM terminal, an NO terminal and/or an NC terminal; the top surface of the first plastic body is provided with an isolation groove between the upper terminal of the NO terminal and the first upper terminal of the COM terminal and/or between the upper terminal of the NC terminal and the second upper terminal of the COM terminal; the bottom surface of the isolation groove is lower than the plane where the upper terminals on the two sides are located, and the projections of the length of the isolation groove to the two sides completely cover the upper terminals on the two sides. The utility model discloses can effectively improve the first relevant metal part of COM end terminal and the relevant metal part of NO end terminal and/or the second of COM end terminal and NC end terminal between the isolation.
Description
Technical Field
The utility model relates to a relay technical field especially relates to a high frequency relay.
Background
The high-frequency relay is a relay for switching a high-frequency circuit, an electromagnetic system of the high-frequency relay is the same as a common electromagnetic relay, the high-frequency relay is the extension of the signal relay in the high-frequency signal transmission function, and the product structurally continues the structural form of integration of small volume, rotary armature structure and base combination injection molding of the signal relay. The isolation degree is one of three high-frequency characteristic indexes of the high-frequency relay, represents the anti-crosstalk capacity between the break contact points or between the contact points of the high-frequency relay, and is important for the application of users. Because the high-frequency relay is very small in size, the distance between the COM-end related metal part and the NO-end related metal part (or the NC-end related metal part) on the base is very small, and meanwhile, the dielectric constant performance of the plastic is limited, high-frequency signals easily penetrate through the plastic between the related metal parts, so that the defect of low isolation performance is caused, and the requirement of a user on the anti-crosstalk performance of the high-frequency relay cannot be met. Referring to fig. 1 and 2, a base part 100 of a high frequency relay in the prior art includes a coil (including a core) 200, a coil terminal (i.e., a control terminal) 300, a static spring reed (i.e., an output terminal) 400, and a plastic part 500 injection-molded with the coil 200, the coil terminal 300, and the static spring reed 400, wherein the static spring reed 400 includes a COM terminal 401, an NO terminal 402, and an NC terminal 403, the COM terminal 401 is in the middle, the NO terminal 402 and the NC terminal 403 are on both sides of the COM terminal 401, and due to the small volume, a shortest distance M1, M2 between a first relevant metal part 4011 of the COM terminal 401 and a relevant metal part 4021 of the NO terminal 402, and a second relevant metal part 4012 of the COM terminal 401 and a relevant metal part 4031 of the NC terminal 403 is small, and a high frequency signal easily passes through the plastic between the relevant metal parts (i.e., plastic bodies of the plastic part 500 at corresponding positions), so that a user's requirement for the immunity to high frequency relay is not satisfied.
In addition, as shown in fig. 1, when the base portion 100 of the high-frequency relay in the prior art is molded by using a mold, in order to facilitate demolding after injection molding of parts, recesses 501 are usually formed on both sides of the base portion, and due to the formation of the recesses 501, the flow of the molding compound during assembly of the base portion and the housing is affected, so that the molding compound cannot completely cover the metal portions, and the dielectric withstand voltage between the metal portions is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a high frequency relay, through institutional advancement, can effectively promote the first relevant metal segment of COM end terminal and the relevant metal segment of NO end terminal and/or the second relevant metal segment of COM end terminal and the relevant metal segment of NC end terminal between the isolation.
The utility model provides a technical scheme that its technical problem adopted is: a high frequency relay includes a base portion; the base part comprises a coil, a static spring reed, a coil terminal and a first plastic body which integrates the coil, the static spring reed and the coil terminal into a whole piece in an injection molding mode; the static reed comprises two COM terminal terminals, two NO terminal terminals and/or two NC terminal terminals; two coil terminals, two COM terminal terminals, two NO terminal terminals and/or two NC terminal terminals are respectively arranged at two sides of the first plastic body in the length direction, and the NO terminal terminals and the NC terminal terminals are respectively arranged at two sides of the COM terminal terminals; the NO terminal, the COM terminal and the NC terminal respectively comprise upper terminals which are bent to be distributed in the vertical direction, and the upper terminals of the COM terminal comprise first upper terminals close to the NO terminal and second upper terminals close to the NC terminal; the top surface of the first plastic body is provided with an isolation groove between the upper terminal of the NO terminal and the first upper terminal of the COM terminal and/or between the upper terminal of the NC terminal and the second upper terminal of the COM terminal; the isolation groove is arranged along the width direction of the first plastic body, the bottom surface of the isolation groove is lower than the plane where the upper terminals on the two sides are located, and the projections of the length of the isolation groove to the two sides are completely covered on the upper terminals on the two sides.
The coil terminal, the NO terminal, the COM terminal, and the NC terminal are arranged in this order, or the coil terminal, the NC terminal, the COM terminal, and the NO terminal are arranged in this order, on a side of the first plastic body along the longitudinal direction.
The high-frequency relay also comprises a movable spring armature component, the movable spring armature component is arranged on the top surface of the base part, and the top surface of the base part is provided with a yielding groove for adapting to the movable spring armature component; the isolation groove is a through groove, one end of the length of the isolation groove is led out of the corresponding side face of the first plastic body, and the other end of the length of the isolation groove is led into the yielding groove of the base portion.
The isolation groove is internally provided with a blocking isolation groove which is a transparent blocking wall in length, and the shortest distance between the position of the blocking wall and the upper terminals on the two sides of the isolation groove is in staggered distribution.
The position of the barrier wall and the upper terminals on two sides of the isolation groove are distributed in a staggered mode.
The blocking wall is arranged at the end head of the other end of the length of the isolation groove.
The height of the barrier wall is not higher than the height of the groove edges at two sides of the isolation groove.
In the cross section of the isolation groove, the width of the notch is larger than that of the groove bottom, so that demolding is facilitated.
When isolation grooves are arranged between the upper terminal of the NO terminal and the first upper terminal of the COM terminal and between the upper terminal of the NC terminal and the second upper terminal of the COM terminal; the isolation groove between the upper terminal of the NO terminal and the first upper terminal of the COM terminal and the isolation groove between the upper terminal of the NC terminal and the second upper terminal of the COM terminal are asymmetrically distributed relative to the COM terminal.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model adopts the structure that the top surface of the first plastic body is provided with an isolation groove between the upper terminal of the NO terminal and the first upper terminal of the COM terminal and/or between the upper terminal of the NC terminal and the second upper terminal of the COM terminal; the isolation groove is arranged along the width direction of the first plastic body, the bottom surface of the isolation groove is lower than the plane where the upper terminals on the two sides are located, and the projections of the length of the isolation groove to the two sides are completely covered on the upper terminals on the two sides. The utility model discloses a this kind of structure can effectively improve the isolation between the first relevant metal part of COM end terminal and the relevant metal part of NO end terminal and/or the second relevant metal part of COM end terminal and the relevant metal part of NC end terminal to satisfy the requirement of user to the anti-crosstalk performance of high frequency relay.
2. The utility model discloses still be equipped with the separation isolation groove in the isolation groove and be penetrating baffler at length owing to adopted, and the position of baffler and the shortest distance between the upper portion terminal on isolation groove both sides are the dislocation and distribute. The utility model discloses a this kind of structure can avoid plastic envelope glue to flow into actuating mechanism (moving spring armature part promptly) groove of stepping down, interferes the relay action.
3. The utility model discloses owing to adopted the isolation groove between the upper portion terminal of NO end terminal and the first upper portion terminal of COM end terminal and the isolation groove between the upper portion terminal of NC end terminal and the second upper portion terminal of COM end terminal to be asymmetric distribution for COM end terminal. The utility model discloses a this kind of structure for the end (NO end) is distinguished obviously with end (NC end) structural feature that closes normally open, can be used to automatic equipment to carry out quick discernment to base part direction, promotes production efficiency, can effectively avoid the assembly mistake.
The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the high-frequency relay of the present invention is not limited to the embodiment.
Drawings
Fig. 1 is a perspective configuration diagram of a base portion of a high-frequency relay of the related art;
fig. 2 is a schematic diagram showing the distribution of a static spring reed and a coil terminal of a high-frequency relay according to the prior art;
fig. 3 is a schematic perspective view of a base portion of an embodiment of the present invention;
fig. 4 is a schematic distribution diagram of the stationary spring reed and the coil terminal according to the embodiment of the present invention;
FIG. 5 is an enlarged view of the portion A of FIG. 3;
FIG. 6 is an enlarged schematic view of the portion B of FIG. 3;
figure 7 is a front view of the base portion of an embodiment of the present invention;
FIG. 8 is a sectional view taken along line C-C of FIG. 7;
figure 9 is a schematic view of the mold parting line of the base portion of the present invention.
Detailed Description
Examples
Referring to fig. 3 to 8, a high frequency relay of the present invention includes a base portion 1; the base part 1 comprises a coil 2 (comprising an iron core, a coil rack, an enameled wire and the like), a static spring reed 3, a coil terminal 4 and a first plastic body 5 which integrates the coil 2, the static spring reed 3 and the coil terminal 4 into a whole in an injection molding mode; in this embodiment, the static spring reed includes two COM terminal terminals 31, two NO terminal terminals 32, and two NC terminal terminals 33, but may also be only COM terminal terminals and NO terminal terminals, or only COM terminal terminals and NC terminal terminals, as required; the coil terminal 4, NO terminal 32, COM terminal 31, NC terminal 33 are arranged in order on each side of the first plastic body 5 in the length direction; in other embodiments, the coil terminal, the NC terminal, the COM terminal, and the NO terminal may be arranged in sequence; the NO terminal 32, the COM terminal 31 and the NC terminal 33 respectively include upper terminals bent to have a thickness distributed in the vertical direction, that is, the NO terminal 32 includes upper terminals 321 bent to have a thickness distributed in the vertical direction, the NC terminal 33 includes upper terminals 331 bent to have a thickness distributed in the vertical direction, the COM terminal includes first upper terminals 311 toward the NO terminal and second upper terminals 312 toward the NC terminal, and the first upper terminals 311 of the COM terminal and the second upper terminals 312 of the COM terminal are different in height; on the top surface of first plastic body 5, isolation groove 51 is provided between upper terminal 321 of NO terminal 32 and first upper terminal 311 of COM terminal 31, and isolation groove 52 is provided between upper terminal 331 of NC terminal 33 and second upper terminal 312 of COM terminal 31; the isolation grooves 51 and 52 are both arranged along the width direction of the first plastic body 5, the bottom surface of the isolation groove 51 is lower than the plane where the upper terminal 321 of the NO terminal 32 and the first upper terminal 311 of the COM terminal 31 are located, when the planes where the upper terminal 321 of the NO terminal 32 and the first upper terminal 311 of the COM terminal 31 are located are different, the bottom surface of the isolation groove 51 is lower than the lowest one, and the projections of the length of the isolation groove 51 in the two-side direction completely cover the upper terminal 321 of the NO terminal 32 and the first upper terminal 311 of the COM terminal 31. Similarly, the bottom surface of the isolation groove 52 is lower than the plane where the upper terminal 331 of the NC terminal 33 and the second upper terminal 312 of the COM terminal 31 are located, and the projections of the length of the isolation groove 52 in the both side directions completely cover the upper terminal 331 of the NC terminal 33 and the second upper terminal 312 of the COM terminal 31.
In the present embodiment, the high frequency relay further includes a moving spring armature component (not shown in the figure), the moving spring armature component is installed on the top surface of the base portion 1, and the top surface of the base portion 1 is provided with a yielding groove 11 for adapting to the moving spring armature component; the isolation grooves 51 and 52 are through grooves, one ends of the length of the isolation grooves 51 and 52 are respectively led out of the corresponding side faces of the first plastic body 5, and the other ends of the length of the isolation grooves 51 and 52 are respectively led into the yielding groove 11 of the base part 1.
In this embodiment, the isolation slot 51 is further provided with a blocking wall 53 for blocking the isolation slot from being through in length, and the position of the blocking wall 53 is in a staggered distribution with the shortest distance L1 between the upper terminals on both sides of the isolation slot (i.e. the upper terminal 321 of the NO terminal 32 and the first upper terminal 311 of the COM terminal 31); similarly, the isolation groove 52 is further provided with a blocking wall 54 which blocks the isolation groove and is through in length, and the position of the blocking wall 54 is staggered with the shortest distance L2 between the upper terminals on both sides of the isolation groove (i.e. the upper terminal 331 of the NC terminal 33 and the second upper terminal 312 of the COM terminal 31). The better effect is that the position of the separation wall and the upper terminals at the two sides of the isolation groove are distributed in a staggered mode.
In this embodiment, the height of the barrier walls 53 and 54 is not higher than the height of the two edges of the isolation grooves 51 and 52.
In the present embodiment, the cross section of the isolation grooves 51 and 52 has a width of the notch larger than that of the groove bottom, so as to facilitate demolding.
In this embodiment, the blocking wall 53 is disposed at the end of the other end of the length of the isolation groove 51; the blocking wall 54 is provided at the end of the other end of the length of the isolation groove 52.
In this embodiment, the isolation groove 51 between the upper terminal 321 of the NO terminal 32 and the first upper terminal 311 of the COM terminal 31 and the isolation groove 52 between the upper terminal 331 of the NC terminal 33 and the second upper terminal 312 of the COM terminal 31 are asymmetrically distributed with respect to the COM terminal 31.
The utility model discloses a high frequency relay, adopted at the top surface of first plastic body 5, be equipped with between the upper portion terminal 321 of NO end terminal 32 and the first upper portion terminal 311 of COM end terminal 31 and between the upper portion terminal 331 of NC end terminal 33 and the second upper portion terminal 312 of COM end terminal 31 respectively and keep apart groove 51, 52; the isolation grooves 51 and 52 are arranged along the width direction of the first plastic body 5, the bottom surfaces of the isolation grooves 51 and 52 are lower than the planes of the upper terminals on the two sides, and the projections of the lengths of the isolation grooves 51 and 52 in the directions of the two sides completely cover the upper terminals on the two sides. The utility model discloses a this kind of structure can effectively increase the isolation between the first relevant metal part (being first upper portion terminal 311) of COM end terminal and the relevant metal part (being upper portion terminal 321) of NO end terminal 32 and the second relevant metal part (being second upper portion terminal 312) of COM end terminal 31 and the relevant metal part (being upper portion terminal 331) of NC end terminal 33 to satisfy the requirement of user to the anti-crosstalk performance of high frequency relay.
The utility model discloses a high frequency relay has adopted still to be equipped with the separation isolation tank in isolation tank 51, 52 and has been shown penetrating baffler 53, 54 at length, and the shortest distance between the position of baffler 53, 54 and the upper portion terminal on isolation tank 51, 52 both sides is the dislocation distribution. The utility model discloses a this kind of structure can avoid plastic envelope glue to flow into actuating mechanism (moving spring armature part promptly) groove of stepping down, interferes the relay action.
The utility model discloses a high frequency relay, the isolation groove 51 between the upper portion terminal 321 that has adopted NO end terminal 32 and the first upper portion terminal 311 of COM end terminal 31 and the isolation groove 52 between the upper portion terminal 331 of NC end terminal 33 and the second upper portion terminal 312 of COM end terminal 31 are asymmetric distribution for COM end terminal 31. The utility model discloses a this kind of structure for the end (NO end) is distinguished obviously with end (NC end) structural feature closed in usual open end, can be used to automatic equipment to carry out quick discernment to base part direction, promotes production efficiency, can effectively avoid assembly error.
The utility model discloses a high frequency relay, owing to set up isolation tank 51, 52, the back is accomplished to the plastic envelope, and the increase of relay inner space can further dilute inside volatile organic gas solubility, promotes relay electric endurance performance. But also can reduce the plastic material of the base and reduce the cost of the relay.
In the high-frequency relay, the isolation groove structure can balance the friction force between the upper die and the lower die and the part in the injection molding process, thereby being beneficial to the demoulding of the part; on one hand, the high-frequency relay of the utility model can further increase the area of the upper half part through the change of the model boundary S2 (as shown in figure 9), thereby being beneficial to the demoulding of parts; on the other hand, demolding can be assisted by providing, in the cross section of the isolation groove, a notch whose width is greater than the width of the groove bottom.
The foregoing is illustrative of the preferred embodiment of the present invention and is not to be construed as limiting the invention in any way. Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. The technical solutions disclosed above can be used by those skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the present invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (9)
1. A high frequency relay includes a base portion; the base part comprises a coil, a static spring reed, a coil terminal and a first plastic body which integrates the coil, the static spring reed and the coil terminal into a whole piece in an injection molding mode; the static spring reed comprises two COM end terminals, two NO end terminals and/or two NC end terminals; two coil terminals, two COM terminal terminals, two NO terminal terminals and/or two NC terminal terminals are respectively arranged at two sides of the first plastic body in the length direction, and the NO terminal terminals and the NC terminal terminals are respectively arranged at two sides of the COM terminal terminals; the NO terminal, the COM terminal and the NC terminal respectively comprise upper terminals which are bent into thicknesses distributed in the vertical direction, and the upper terminals of the COM terminal comprise first upper terminals close to the NO terminal and second upper terminals close to the NC terminal; the method is characterized in that: the top surface of the first plastic body is provided with an isolation groove between the upper terminal of the NO terminal and the first upper terminal of the COM terminal and/or between the upper terminal of the NC terminal and the second upper terminal of the COM terminal; the isolation groove is arranged along the width direction of the first plastic body, the bottom surface of the isolation groove is lower than the plane where the upper terminals on the two sides are located, and the projections of the length of the isolation groove to the two sides completely cover the upper terminals on the two sides.
2. The high-frequency relay according to claim 1, characterized in that: the coil terminal, the NO terminal, the COM terminal, and the NC terminal are arranged in sequence, or the coil terminal, the NC terminal, the COM terminal, and the NO terminal are arranged in sequence, on a side of the first plastic body along the length direction.
3. The high-frequency relay according to claim 1 or 2, characterized in that: the high-frequency relay also comprises a movable spring armature component, the movable spring armature component is arranged on the top surface of the base part, and the top surface of the base part is provided with a yielding groove for adapting to the movable spring armature component; the isolation groove is a through groove, one end of the length of the isolation groove is led out of the corresponding side face of the first plastic body, and the other end of the length of the isolation groove is led into the yielding groove of the base portion.
4. The high-frequency relay according to claim 3, characterized in that: the isolation groove is also internally provided with a separation isolation wall which is transparent in length, and the shortest distance between the position of the separation wall and the upper terminals on the two sides of the isolation groove is in staggered distribution.
5. The high-frequency relay according to claim 4, characterized in that: the position of the barrier wall and the upper terminals on two sides of the isolation groove are distributed in a staggered mode.
6. The high-frequency relay according to claim 5, characterized in that: the blocking wall is arranged at the end head of the other end of the length of the isolation groove.
7. The high-frequency relay according to claim 4, 5 or 6, characterized in that: the height of the barrier wall is not higher than the height of the groove edges at two sides of the isolation groove.
8. The high-frequency relay according to claim 6, characterized in that: in the cross section of the isolation groove, the width of the notch is larger than that of the groove bottom, so that demolding is facilitated.
9. The high-frequency relay according to claim 1, characterized in that: when isolation grooves are arranged between the upper terminal of the NO terminal and the first upper terminal of the COM terminal and between the upper terminal of the NC terminal and the second upper terminal of the COM terminal; the isolation groove between the upper terminal of the NO terminal and the first upper terminal of the COM terminal and the isolation groove between the upper terminal of the NC terminal and the second upper terminal of the COM terminal are asymmetrically distributed relative to the COM terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222998142.4U CN218730684U (en) | 2022-11-08 | 2022-11-08 | High-frequency relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222998142.4U CN218730684U (en) | 2022-11-08 | 2022-11-08 | High-frequency relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218730684U true CN218730684U (en) | 2023-03-24 |
Family
ID=85616050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222998142.4U Active CN218730684U (en) | 2022-11-08 | 2022-11-08 | High-frequency relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218730684U (en) |
-
2022
- 2022-11-08 CN CN202222998142.4U patent/CN218730684U/en active Active
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