Relay and base component thereof

Abstract

The utility model relates to a relay and a base component thereof. The base component comprises a coil assembly, a base body and a heat dissipation part. The coil assembly comprises a coil, and the base body wraps the coil. The heat dissipation part is arranged on at least one of the coil assembly and the seat body, and the heat dissipation part and the coil assembly are correspondingly arranged, so that heat generated by the coil can be dissipated to the outside of the relay through the heat dissipation part. When the relay works, the coil is electrified to generate heat. The base body is provided with the heat dissipation part which is arranged corresponding to the coil, so that heat generated by electrifying the coil can be dissipated to the outside of the relay through the heat dissipation part, the temperature rise of the coil can be reduced, coil short circuit caused by melting of an enameled wire paint film of the coil is avoided, and the relay can meet the use requirement in a high-temperature environment.

Description

Technical Field

[0001] This application relates to the field of relay technology, and in particular to a relay and its base component. Background Technology

[0002] With the rapid development of fields such as automotive intelligence, more and more semiconductor chips and other devices are being used in high-temperature environments. To meet the application requirements of semiconductor chips and other devices at high temperatures, the production process requires the use of testing equipment to conduct comprehensive performance tests on semiconductor chips and other devices in low-temperature, normal-temperature, and 125°C environments. The signal switching module of such testing equipment requires high-temperature signal relays or high-frequency relays.

[0003] For miniature signal relays or high-frequency relays, the coil is usually encased inside the relay base. However, when the relay is operating, the combined temperature difference between the inside and outside of the base can cause the enamel coating of the coil to melt, resulting in a short circuit and preventing the relay from functioning properly. Utility Model Content

[0004] Therefore, it is necessary to provide a relay and its base component to prevent the enamel film of the coil from melting and causing a short circuit in the coil, so that the relay can meet the requirements for use in high-temperature environments.

[0005] In a first aspect, this application provides a base component for a relay, comprising:

[0006] A coil assembly, the coil assembly including a coil;

[0007] A base, the base covering the coil; and

[0008] A heat dissipation section is provided in at least one of the coil assembly and the base, and the heat dissipation section is correspondingly provided to the coil assembly so that the heat generated by the coil can be dissipated to the outside of the relay through the heat dissipation section.

[0009] In one embodiment, the heat dissipation part is provided with a heat dissipation port, and the coil assembly is connected to the outside air through the heat dissipation port.

[0010] In one embodiment, the heat dissipation port includes a first heat dissipation port, which is disposed on the base.

[0011] In one embodiment, the base has a first side and a second side opposite to each other, the first side being used to mount the moving spring armature component, and the first heat dissipation vent being located on the second side.

[0012] In one embodiment, the heat dissipation port further includes a second heat dissipation port, which is disposed on the coil assembly, and the first heat dissipation port is connected to the second heat dissipation port.

[0013] In one embodiment, the coil assembly further includes an iron core and an insulating portion, the insulating portion being disposed on the iron core, the coil being wound on the iron core, and a second heat dissipation port being disposed on the insulating portion. The iron core is in communication with the outside air through the first heat dissipation port and the second heat dissipation port.

[0014] In one embodiment, the base has a first side for mounting a moving spring armature component; the iron core includes a winding portion, a first pole portion, and a second pole portion, the winding portion is disposed within the base, the coil is wound around the winding portion, the first pole portion and the second pole portion are respectively disposed at opposite ends of the winding portion, both the first pole portion and the second pole portion extend from the winding portion toward the first side, and one end of the first pole portion facing away from the winding portion and one end of the second pole portion facing away from the winding portion are located outside the base.

[0015] In one embodiment, the core further includes a protrusion disposed between the first pole portion and the second pole portion, the protrusion extending from the winding portion toward the first side.

[0016] In one embodiment, the first heat dissipation vent is disposed opposite to the protrusion.

[0017] In one embodiment, the insulating portion includes a first insulating member disposed on the protrusion and located at the middle of the winding portion along its length, and a second heat dissipation port disposed on the first insulating member; the first insulating member includes a first insulating body and a second insulating body, the first insulating body covering the protrusion, one end of the protrusion facing away from the winding portion being located outside the first insulating body, and the second insulating body being disposed on the side of the winding portion facing away from the protrusion; the second heat dissipation port is disposed on the second insulating body and extends through the second insulating body along the extending direction of the protrusion.

[0018] In one embodiment, the insulating portion includes a first insulating member, a second insulating member, and a third insulating member. The first insulating member is disposed on the protrusion and has wire grooves on both sides of the winding portion along its length. The wire grooves are used to support the enameled wire of the coil. The second insulating member covers the first pole portion and extends toward the winding portion in a direction away from the first pole portion. The third insulating member covers the second pole portion and extends toward the winding portion in a direction away from the second pole portion. The first insulating member, the winding portion, and the second insulating member form a first winding window, and the first insulating member, the winding portion, and the third insulating member form a second winding window. The coil is wound around both the first winding window and the second winding window.

[0019] In one embodiment, the coil assembly further includes an iron core, and the coil is wound on the iron core; a heat-conducting element is provided in the heat dissipation port, and the heat-conducting element is thermally connected to the iron core.

[0020] In one embodiment, the heat dissipation section further includes a heat-conducting element that is thermally connected to the coil assembly.

[0021] Secondly, this application provides a relay, comprising:

[0022] A housing having a receiving cavity and a first opening communicating with the receiving cavity;

[0023] The aforementioned relay base component, wherein the relay base component is disposed within the receiving cavity through the first opening; and

[0024] A movable spring armature component is mounted on the base body and disposed in the receiving cavity through the first opening.

[0025] In one embodiment, the relay is used to transmit high-frequency signals. The relay also includes a shield, which includes a housing and a grounding terminal. The housing has a shielding cavity and a second opening communicating with the shielding cavity. The outer shell, the base component of the relay, and the moving spring armature component are all disposed in the shielding cavity. The moving spring armature component is disposed on the side of the base component of the relay away from the second opening.

[0026] In one embodiment, the coil assembly further includes an iron core, and the coil is wound on the iron core; the heat dissipation part is provided with a heat dissipation port, and a heat-conducting element is provided inside the heat dissipation port. The heat-conducting element is used for grounding, and the heat-conducting element is thermally connected to the iron core.

[0027] In one embodiment, the relay further includes a stationary spring lead, a moving spring lead, and a coil lead, which are assembled into a single unit via the base. The stationary spring lead includes a first flange, the moving spring lead includes a second flange, and the coil lead includes a third flange. The first flange, the second flange, and the third flange are all located outside the shielding cover through the first opening and the second opening. The grounding terminal includes a fourth flange folded outward from the shielding cavity. The end face of the heat-conducting element facing away from the iron core, the first flange, the second flange, the third flange, and the fourth flange are all located on the same plane.

[0028] The aforementioned relay and its base components generate heat when the coil is energized during operation. Because the base is equipped with a heat dissipation section corresponding to the coil, the heat generated by the coil can be dissipated to the outside of the relay through this section. This reduces the temperature rise of the coil, prevents the enamel coating of the coil from melting and causing a short circuit, and allows the relay to meet the requirements for use in high-temperature environments. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the structure of a relay according to an embodiment of this application.

[0030] Figure 2 for Figure 1 The relay shown is shown in top view.

[0031] Figure 3 for Figure 2 Sectional view of AA.

[0032] Figure 4 for Figure 1 The diagram shows the structure of the relay with the heat-conducting component removed.

[0033] Figure 5 for Figure 4 The relay shown is shown in top view.

[0034] Figure 6 for Figure 5 A cross-sectional view of BB.

[0035] Figure 7 for Figure 1 The diagram shown is an exploded view of the relay structure.

[0036] Figure 8 This is a schematic diagram of the structure of the base component and the moving spring armature component after assembly according to an embodiment of this application.

[0037] Figure 9 This is a schematic diagram of the structure of a base component according to an embodiment of this application.

[0038] Figure 10 for Figure 9 The diagram shown is an exploded view of the base component.

[0039] Figure 11 This is a schematic diagram of the coil assembly of this application and its embodiments.

[0040] Figure 12 for Figure 11 The diagram shown is a structural schematic of the coil assembly from another perspective.

[0041] Figure 13 This is a schematic diagram of the structure of an iron core according to an embodiment of this application.

[0042] Figure 14 This is a schematic diagram of the assembled structure of the iron core, armature, and permanent magnet according to an embodiment of this application.

[0043] Figure 15 for Figure 14 The image shows a front view of the assembled iron core, armature, and permanent magnet.

[0044] Figure 16 This is a schematic diagram of the structure of a moving spring armature component according to an embodiment of this application.

[0045] Figure 17 for Figure 16 The top view of the moving spring armature component shown.

[0046] Figure 18 for Figure 16 A sectional view of CC.

[0047] Figure 19 for Figure 18 A magnified view of a portion of point A in the middle.

[0048] Figure 20 for Figure 16 The diagram shows the structure of the moving spring.

[0049] Explanation of icon numbers:

[0050] 10. Base component; 11. Base body; 111. First side; 112. Second side; 113. First positioning part; 12. Coil assembly; 121. Iron core; 1211. Winding part; 1212. First pole part; 1213. Second pole part; 1214. Protrusion; 1215. First winding window; 1216. Second winding window; 1217. First lead-out end; 1218. Second lead-out end; 122. Coil; 123. First insulating component; 1231. First insulating body; 12311. Wire groove; 1232. Second insulating body; 124. Second insulating component; 125. Third insulating component; 13. Heat dissipation part; 131. Heat dissipation port; 1311. First heat dissipation port; 1312. Second heat dissipation port; 132. Heat-conducting component; 14. Stationary spring section; 141. Stationary contact; 15. Stationary spring lead-out foot; 151. First flange; 16. Moving spring lead-out foot; 161. Second flange; 17. Coil lead-out foot; 171. Third flange; 20. Moving spring armature component; 21. Moving spring section; 211. Moving spring body; 2111. Contact piece; 2112. Moving contact; 2113. Connecting end; 21131. Through hole; 2114. Connecting piece; 212. Hinge; 2121. First welding position; 2122. Second welding position; 2123. First end; 2124. Second end; 22. Armature; 23. Insulator; 231. Clearance groove; 24. Permanent magnet; 30. Outer shell; 40. Shielding cover; 41. Grounding terminal; 411. Fourth flange; 42. Cover. Detailed Implementation

[0051] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0052] See Figure 1 , Figure 7 and Figure 8 An embodiment of this application provides a relay including a base component 10, a moving spring armature component 20, and a housing 30. The housing 30 has a receiving cavity and a first opening, and the receiving cavity communicates with the first opening. The base component 10 and the moving spring armature component 20 are both disposed in the receiving cavity through the first opening, and the moving spring armature component 20 is disposed on the base component 10.

[0053] In one embodiment, see Figure 16 The moving spring armature component 20 includes a moving spring portion 21, an armature 22, and an insulator 23. The moving spring portion 21 and the armature 22 are assembled into a single unit via the insulator 23.

[0054] In one embodiment, see Figure 3 and Figure 6 The moving spring armature component 20 also includes a permanent magnet 24. The permanent magnet 24 is located on the side of the armature 22 facing the base component 10. The permanent magnet 24 is assembled together with the moving spring portion 21 and the armature 22 via an insulator 23.

[0055] In one embodiment, see Figure 3 , Figure 9 and Figure 10 The base component 10 includes a base body 11 and a coil assembly 12. The coil assembly 12 includes a coil 122, which is covered by the base body 11.

[0056] Optionally, the base 11 is made of plastic, and the base component 10 is processed using an insert injection molding process so that the base 11 covers the coil 122. This helps to reduce the size of the base component 10.

[0057] However, by enclosing the coil 122 within the base 11, the heat generated by the coil 122 when energized cannot be dissipated quickly. Therefore, in this embodiment, see... Figure 3 The base component 10 also includes a heat dissipation part 13, which is disposed in at least one of the base body 11 and the coil assembly 12. The heat dissipation part 13 is correspondingly disposed to the coil assembly 12, and the heat generated by the coil 122 can be dissipated to the outside of the relay through the heat dissipation part 13.

[0058] Optionally, when a portion of the coil assembly 12 is located outside the base 11, a heat dissipation portion 13 may be provided at the part of the coil assembly 12 exposed outside the base 11.

[0059] Optionally, when the coil assembly 12 is enclosed in the base 11, a heat dissipation part 13 can be provided on the base 11, or a heat dissipation part 13 can be provided on both the base 11 and the coil assembly 12.

[0060] When the relay is working, the coil 122 generates heat when energized. Since the base 11 is provided with a heat dissipation part 13, which is correspondingly arranged with the coil assembly 12, the heat generated by the coil 122 when energized can be dissipated to the outside of the relay through the heat dissipation part 13. This reduces the temperature rise of the coil 122, prevents the enamel film of the coil 122 from melting and causing a short circuit in the coil 122, and enables the relay to meet the requirements for use in high-temperature environments.

[0061] In one embodiment, see Figure 6The heat dissipation section 13 is provided with a heat dissipation port 131, through which the coil assembly 12 communicates with the external air. By providing the heat dissipation port 131, a direct channel is established between the coil assembly 12 and the external air, allowing hot air to be quickly exhausted from the port while relatively cooler external air can be promptly introduced, creating good air convection circulation. This accelerates the dissipation of heat generated by the coil assembly 12 to the surrounding environment, effectively reducing the temperature of the coil assembly 12. The heat dissipation port 131 also allows the heat inside the coil assembly 12 to directly contact the external air, further expanding the heat dissipation area and improving heat dissipation efficiency. Furthermore, it reduces reliance on other complex heat dissipation components, which helps lower manufacturing costs.

[0062] In one embodiment, see Figure 6 The heat dissipation port 131 includes a first heat dissipation port 1311, which is located on the base 11, so that the coil assembly 12 is connected to the outside air through the first heat dissipation port 1311, so that the heat generated by the coil 122 can be exchanged with the outside air through the first heat dissipation port 1311.

[0063] In one embodiment, see Figure 6 , Figure 7 and Figure 8 The base 11 has a first side 111 and a second side 112 facing each other. The moving spring armature component 20 is located on the first side 111, and the first heat dissipation port 1311 is located on the second side 112. It is understood that the first heat dissipation port 1311 and the moving spring armature component 20 are respectively located on opposite sides of the base 11, thus avoiding interference between the heat dissipation part 13 and the moving spring armature component 20. Furthermore, it also prevents hot air exhausted through the first heat dissipation port 1311 from directly blowing onto the moving spring armature component 20, reducing the impact of heat on the moving spring armature component 20, preventing the electromagnetic performance of the moving spring armature component 20 from deteriorating due to high temperature, ensuring the stability and reliability of the moving spring armature component 20, and extending the service life of the moving spring armature component 20.

[0064] In one embodiment, see Figure 6 and Figure 12 The heat dissipation vent 131 also includes a second heat dissipation vent 1312. The second heat dissipation vent 1312 is located on the coil assembly 12, and the first heat dissipation vent 1311 is connected to the second heat dissipation vent 1312. The heat generated by the coil 122 can be dissipated through the second heat dissipation vent 1312, and then exchanged with the outside air through the first heat dissipation vent 1311. This allows for rapid heat dissipation and improves heat dissipation efficiency.

[0065] In one embodiment, see Figure 3 and Figure 6The coil assembly 12 also includes an iron core 121 and an insulating portion. The coil 122 is wound around the iron core 121, and the insulating portion is disposed on the iron core 121. By providing the insulating portion on the iron core 121, the insulating portion can act as a barrier for the coil 122, making it easier for the coil 122 to be wound stably and reliably on the iron core 121.

[0066] It should be noted that the coil 122 can be directly wound around the iron core 121. Of course, in other embodiments, it can also be indirectly wound around the iron core 121. Specifically, an insulating layer is provided between the iron core 121 and the coil 122.

[0067] In one embodiment, the second heat dissipation vent 1312 is located in the insulation portion. In this way, the heat generated by the coil 122 can be exchanged with the outside air through the second heat dissipation vent 1312, preventing the performance of the insulation portion from degrading at high temperatures and ensuring the stability of the insulation performance. At the same time, designing the second heat dissipation vent 1312 in the insulation portion reduces the difficulty of manufacturing the second heat dissipation vent 1312.

[0068] In one embodiment, see Figure 6 The iron core 121 includes a winding part 1211, which is located inside the base 11, and the coil 122 is wound on the winding part 1211.

[0069] Specifically, the winding portion 1211 has a strip-shaped structure and has two opposing ends. Optionally, the winding portion 1211 can be a winding block or a winding shaft.

[0070] Further, see Figure 6 and Figure 13 The core 121 also includes a first pole portion 1212 and a second pole portion 1213. The first pole portion 1212 and the second pole portion 1213 are respectively located at opposite ends of the winding portion 1211 along its length. Both the first pole portion 1212 and the second pole portion 1213 extend from the winding portion 1211 toward the first side 111 near the base 11; that is, both the first pole portion 1212 and the second pole portion 1213 extend toward the moving spring armature member 20. The winding portion 1211, the first pole portion 1212, and the second pole portion 1213 are connected to form a U-shape. (See reference...) Figure 9 and Figure 11 The ends of the first pole 1212 and the second pole 1213 that are away from the winding part 1211 are both located outside the base body 11.

[0071] In one embodiment, see Figure 6 and Figure 13The core 121 also includes a protrusion 1214. The protrusion 1214 is located between the first pole portion 1212 and the second pole portion 1213, extending from the winding portion 1211 toward the first side 111 near the base 11. It is understood that the protrusion 1214 extends from the winding portion 1211 toward the moving spring armature component 20. By providing the protrusion 1214 in the winding portion 1211, the protrusion 1214 can reduce the magnetic circuit gap between the middle section of the core 121 and the permanent magnet 24, thus reducing the magnetic reluctance of the magnetic circuit, improving the magnetic circuit efficiency, and simultaneously improving the magnetic field efficiency between the armature 22 and the pole face of the core 121, thereby increasing the electromagnetic attraction between the armature 22 and the core 121. Furthermore, it can also improve the utilization rate of the stamping material.

[0072] Optionally, see Figure 13 The protrusion 1214 is provided in the middle of the winding portion 1211 along its length direction. The winding portion 1211, the first pole portion 1212, the second pole portion 1213 and the protrusion 1214 are connected to form a mountain shape.

[0073] In one embodiment, see Figure 11 and Figure 12 The insulating portion includes a first insulating member 123, a second insulating member 124, and a third insulating member 125. The first insulating member 123 covers the protrusion 1214 and extends in a direction away from the protrusion 1214. The second insulating member 124 covers the first electrode 1212 and extends in a direction away from the first electrode 1212. The third insulating member 125 covers the second electrode 1213 and extends in a direction away from the second electrode 1213.

[0074] Further, see Figure 6 and Figure 11 The first insulating member 123 is located at the middle of the winding portion 1211 along its length. This makes the lengths of the winding portions 1211 on both sides of the first insulating member 123 equal or nearly equal, preventing the coil 122 wound on one side of the first insulating member 123 from being too long, thereby avoiding the problem of the enameled wire of the coil 122 breaking during the injection molding of the base body 11.

[0075] Furthermore, the first insulating member 123, the winding portion 1211, and the second insulating member 124 form a first winding window 1215, and the first insulating member 123, the winding portion 1211, and the third insulating member 125 form a second winding window 1216. A coil 122 is wound around both the first winding window 1215 and the second winding window 1216. Thus, the first insulating member 123, the second insulating member 124, and the third insulating member 125 can limit the movement of the coil 122, facilitating stable and reliable winding of the coil 122 around the first winding window 1215 and the second winding window 1216. Simultaneously, the first insulating member 123 acts as a partition, reducing the erosion of the enameled wire of the coil 122 during the injection molding process. In addition, since no insulating members are provided at either end of the middle section of the iron core 121, the coil 122 is directly wound onto the iron core 121, reducing the power consumption of the coil 122 while also increasing its attractive force.

[0076] Optionally, the first insulating member 123, the second insulating member 124, and the third insulating member 125 are all plastic parts. The first insulating member 123 is injection molded on the protrusion 1214, the second insulating member 124 is injection molded on the first electrode 1212, and the third insulating member 125 is injection molded on the second electrode 1213.

[0077] In one embodiment, see Figure 11 The first insulating member 123 has wire grooves 12311 on both sides of the winding portion 1211 along its length. Optionally, the wire grooves 12311 are located on the side of the first insulating member 123 closest to the moving spring armature component 20. In this way, the wire grooves 12311 support the enameled wire of the coil 122, preventing the enameled wire of the coil 122 from being scratched during winding or from being broken by the injection molten material of the base 11.

[0078] Further, see Figure 11 The coil assembly 12 further includes a first lead-out terminal 1217 and a second lead-out terminal 1218, which are fixed to the second insulating member 124 by injection molding. Optionally, the first lead-out terminal 1217 and the second lead-out terminal 1218 are respectively located on both sides of the second insulating member 124 along the length direction of the winding portion 1211. Specifically, one end of the coil 122 is electrically connected to the first lead-out terminal 1217, and the other end of the coil 122 is electrically connected to the second lead-out terminal 1218.

[0079] It should be noted that the first lead 1217 is the lead-in start point, and the second lead 1218 is the lead-out end point. Alternatively, the first lead 1217 is the lead-in start point, and the second lead 1218 is the lead-out end point.

[0080] In one embodiment, see Figure 6The first heat dissipation vent 1311 is positioned opposite the protrusion 1214. This ensures effective heat dissipation for the coil assembly 12 while preventing the coil from being exposed and affecting the safety of the relay. Furthermore, it prevents interference from the coil assembly 12 with the heat dissipation portion 13 (e.g., the heat-conducting portion).

[0081] In one embodiment, see Figure 12 The second heat dissipation vent 1312 is located on the first insulating member 123, and the iron core 121 is connected to the outside air through the first heat dissipation vent 1311 and the second heat dissipation vent 1312. The heat generated when the coil 122 is energized is transferred to the iron core 121, and the heat on the iron core 121 exchanges heat with the outside air through the first heat dissipation vent 1311 and the second heat dissipation vent 1312, thereby achieving heat dissipation of the coil assembly 12. In addition, since the first insulating member 123 is located in the middle of the winding portion 1211 along its length, and the second heat dissipation vent 1312 is provided on the first insulating member 123, it is equivalent to placing the heat dissipation portion 13 in the middle of the coil 122, which can prevent the temperature of the coil 122 at the first winding window 1215 or the second winding window 1216 from becoming too high.

[0082] In one embodiment, see Figure 11 and Figure 12 The first insulating member 123 includes a first insulating body 1231 and a second insulating body 1232. The first insulating body 1231 covers the protrusion 1214, and one end of the protrusion 1214 facing away from the winding portion 1211 is located outside the first insulating body 1231. The second insulating body 1232 is disposed on the side of the winding portion 1211 facing away from the protrusion 1214.

[0083] Further, see Figure 6 and Figure 12 The second heat dissipation vent 1312 is disposed on the second insulating body 1232, and the second heat dissipation vent 1312 extends through the second insulating body 1232 along the extending direction of the protrusion 1214. Optionally, the first heat dissipation vent 1311 and the second heat dissipation vent 1312 are disposed opposite to each other.

[0084] Because of the high thermal conductivity of the iron core 121, the heat generated by the coil 122 when energized will be quickly transferred to the iron core 121. The iron core 121 is directly connected to the outside air through the first heat dissipation port 1311 and the second heat dissipation port 1312. In this way, the iron core 121 can exchange heat with the outside air to reduce the temperature of the iron core 121, thereby reducing the temperature rise of the coil 122. This prevents the insulation of the enameled wire of the coil 122 from being damaged due to excessive temperature, thus preventing the coil 122 from failing and enabling the relay to meet the requirements for use in high-temperature environments.

[0085] In addition, during the injection molding process of the base 11, the first heat dissipation port 1311 and the second heat dissipation port 1312 cooperate to be used for the positioning of the coil assembly 12, improve the injection molding accuracy of the coil assembly 12 and the base 11, and at the same time improve the positioning accuracy of the pole face of the iron core 121, which is conducive to improving the consistency of the mechanical parameters and stroke of the relay and improving the pass rate of the relay.

[0086] In one embodiment, see Figure 3 The heat dissipation section 13 includes a heat-conducting element 132. The heat-conducting element 132 is thermally connected to the coil assembly 12. In this way, the heat-conducting element 132 can quickly dissipate the heat generated by the coil assembly 12, thereby reducing the temperature of the coil assembly 12.

[0087] In one embodiment, see Figure 3 and Figure 6 A heat-conducting element 132 is disposed within the heat dissipation port 131 and is thermally connected to the iron core 121. Due to the high thermal conductivity of the iron core 121, the heat generated by the coil 122 when energized is quickly transferred to the iron core 121. Since the iron core 121 and the heat-conducting element 132 are thermally connected, the heat generated by the coil 122 can be transferred to the heat-conducting element 132, which then conducts the heat generated by the coil 122 to the outside air for heat dissipation. This reduces the temperature rise of the coil 122, preventing damage to the enameled wire insulation of the coil 122 due to excessive temperature, thus preventing functional failure of the coil 122 and enabling the relay to meet the requirements for use in high-temperature environments.

[0088] In one embodiment, if the relay is a high-frequency relay, the heat-conducting component 132 is also used for grounding. During installation, the end of the heat-conducting component 132 facing away from the iron core 121 is soldered to the PCB board for grounding, which can realize the grounding treatment of the magnetic circuit parts such as the iron core 121 and armature 22, reduce internal crosstalk, and thus improve the transmission performance of high-frequency signals of the high-frequency relay.

[0089] Optionally, the heat-conducting component 132 is a heat-conducting metal block that does not have magnetic properties. In this way, the heat-conducting metal block can play the roles of heat conduction and grounding without being magnetic.

[0090] In one embodiment, see Figure 1 and Figure 7If the relay is a high-frequency relay, it also includes a shielding cover 40. Specifically, the shielding cover 40 includes a cover body 42 and a grounding terminal 41. The cover body 42 has a shielding cavity and a second opening communicating with the shielding cavity. The base component 10, the moving spring armature component 20, and the outer shell 30 are all located inside the shielding cavity. The grounding terminal 41 is located at the open end of the cover body 42. It can be understood that the open end of the cover body 42 refers to the end of the cover body 42 with the second opening. By setting the shielding cover 40, the shielding cover 40 can effectively isolate interference from external electric fields, magnetic fields, or electromagnetic fields, and improve the relay's transmission performance for high-frequency signals.

[0091] In one embodiment, see Figure 1 and Figure 7 The moving spring armature component 20 is located on the side of the base component 10 opposite to the second opening. In this way, the interference of external electric, magnetic or electromagnetic fields on the moving spring armature component 20 through the second opening can be reduced, further improving the relay's transmission performance for high-frequency signals.

[0092] In one embodiment, see Figure 9 The relay also includes a stationary spring lead 15, a moving spring lead 16, and a coil lead 17, which are assembled into a single unit via a base 11.

[0093] Further, see Figure 1 , Figure 3 and Figure 9 The stationary spring lead-out foot 15 includes a first flange 151, the moving spring lead-out foot 16 includes a second flange 161, and the coil lead-out foot 17 includes a third flange 171. The first flange 151, second flange 161, and third flange 171 are all located outside the shielding cover 40 through the first and second openings. The grounding terminal 41 includes a fourth flange 411, which is folded outwards from the shielding cavity. The end face of the heat-conducting element 132 facing away from the iron core 121, the first flange 151, the second flange 161, the third flange 171, and the fourth flange 411 are all located on the same plane. This arrangement facilitates grounding the relay, reduces grounding difficulty, and improves grounding stability.

[0094] In one embodiment, see Figure 8 The movable spring armature component 20 is movably disposed on the base component 10, and the movable spring armature component 20 can swing relative to the base component 10.

[0095] Further, see Figure 8 and Figure 9The base component 10 is provided with a first positioning part 113, and the movable spring armature component 20 is provided with a second positioning part. The first positioning part 113 and the second positioning part are positioned and cooperate to form a swing fulcrum, and the movable spring armature component 20 can swing around the swing fulcrum. It can be understood that the movable spring armature component 20 and the swing fulcrum cooperate to form a seesaw structure.

[0096] Optionally, see Figure 9 The first positioning part 113 is provided with a positioning protrusion, and the second positioning part is provided with a positioning groove, with the positioning protrusion located in the positioning groove.

[0097] Of course, in other embodiments, the first positioning part 113 is provided with a positioning groove, and the second positioning part is provided with a positioning protrusion.

[0098] In one embodiment, see Figure 9 , Figure 16 and Figure 20 The movable spring portion 21 includes a movable spring body 211 and a hinge 212. The movable spring body 211 is used to contact or separate from the stationary spring portion 14. The hinge 212 has a first end 2123 and a second end 2124. The first end 2123 is used to connect to the lead-out end of the movable spring, and the second end 2124 is used to connect to the movable spring body 211. The hinge 212 is used to provide a reaction force to the movable spring body 211.

[0099] Further, see Figure 20 The movable spring body 211 includes a movable spring plate, and the second end 2124 is connected to the movable spring plate. The movable spring plate includes a contact piece 2111. It can be understood that the contact piece 2111 is part of the movable spring plate.

[0100] Optionally, the moving spring body 211 includes only the moving spring piece. In use, the contact piece 2111 contacts or separates from the stationary spring portion 14.

[0101] Optionally, see Figure 9 and Figure 20 The moving spring body 211 also includes a moving contact 2112, which is located on the contact piece 2111. In use, the moving contact 2112 contacts or separates from the stationary contact 141 of the stationary spring part 14.

[0102] However, in the common moving spring portion 21, the thickness of the hinge 212 is equal to the thickness of the contact piece 2111. While this ensures the service life of the hinge 212, it results in lower contact pressure, higher contact resistance, and greater contact bounce, which accelerates contact erosion and wear, ultimately reducing the relay's lifespan. Therefore, in this embodiment, the thickness of the contact piece 2111 is greater than the thickness of the hinge 212. It can be understood that the hinge 212 maintains its original thickness, while the contact piece 2111 is thickened based on its original thickness.

[0103] During the relay operation, since the hinge 212 is connected to the lead-out end of the moving spring, the hinge 212 will twist during the swing of the moving spring armature component 20 relative to the base component 10. Therefore, in this embodiment, the hinge 212 maintains its original thickness, and the thickness of the contact piece 2111 is increased on the basis of the original thickness. This can ensure the flexibility of the hinge 212, increase the number of twists of the hinge 212, and ensure that the hinge 212 will not break, thereby increasing the lifespan of the relay. At the same time, it can also ensure the contact pressure of the contact point, avoid excessive contact resistance and large contact bounce, thus avoiding contact erosion and wear, thereby improving the lifespan of the relay.

[0104] In one embodiment, see Figure 20 The movable spring body 211 also includes a connecting piece 2114. The connecting piece 2114 is connected to the contact piece 2111, and the second end 2124 is connected to the connecting piece 2114. Thus, the connecting piece 2114 provides a connection point for the hinge 212, facilitating the connection between the hinge 212 and the movable spring body 211. Furthermore, the hinge 212 is indirectly connected to the contact piece 2111 via the connecting piece 2114, which prevents the contact piece 2111 and the hinge 212 from interfering with each other during movement.

[0105] In one embodiment, see Figure 20 The contact piece 2111 and the connecting piece 2114 are arranged along a first direction, and the hinge 212 is located on one side of the connecting piece 2114 in a second direction. The first and second directions intersect; for example, the first direction can be perpendicular to the second direction. X represents the first direction, and Y represents the second direction. This arrangement staggers the contact piece 2111 and the hinge 212, thus preventing interference between them.

[0106] In one embodiment, see Figure 20 The thickness of the connecting piece 2114 is equal to the thickness of the hinge 212. Thus, during the injection molding process of the moving spring armature component 20, because the thickness of the connecting piece 2114 is equal to the thickness of the hinge 212, sealing is convenient, and no special treatment is required for the injection mold. Furthermore, the moving spring can be directly stamped from a shaped metal strip with a continuous groove in the middle during processing. In addition, because the thickness of the connecting piece 2114 is equal to the thickness of the hinge 212, stress concentration caused by a thickness difference at the connection point between the connecting piece 2114 and the hinge 212 can be avoided.

[0107] In one embodiment, see Figure 20 There are two contact pieces 2111. One contact piece 2111 is located on one side of the connecting piece 2114 in the first direction, and the other contact piece 2111 is located on the other side of the connecting piece 2114 in the first direction. Both contact pieces 2111 are connected to the connecting piece 2114.

[0108] It should be noted that since the moving spring armature component 20 is in contact with or separates from the stationary spring part 14 in the form of a seesaw, when one of the contact pieces 2111 or its moving contact 2112 is in contact with the stationary spring part 14, the other contact piece 2111 or its moving contact 2112 is separated from the stationary spring part 14.

[0109] In one embodiment, see Figure 20 The hinge 212 has a first welding position 2121 and a second welding position 2122, both located on the same side of the armature 22. Specifically, the first welding position 2121 and the second welding position 2122 are both located on the side of the hinge 212 away from the connecting piece 2114. This improves the connection strength between the moving spring portion 21 and the moving spring lead-out end, making it less likely for the moving spring portion 21 to separate from the moving spring lead-out end, thus increasing the mechanical life of the relay. Simultaneously, it also ensures conductivity and heat dissipation, reducing the temperature rise at the solder joint.

[0110] It should be noted that both the first welding position 2121 and the second welding position 2122 are electrically connected to the common end spring of the moving spring lead-out end.

[0111] Optionally, the first welding position 2121 and / or the second welding position 2122 are provided with welding grooves, and the walls of the welding grooves are arc-shaped.

[0112] In one embodiment, see Figure 17 , Figure 18 and Figure 19 In the first direction, the contact piece 2111 has a connecting end 2113, which is located near the second end 2124 and is situated inside the insulator 23. This design places the junction of different thicknesses of the moving spring piece inside the insulator 23, thus reducing the technical difficulty of the injection mold process.

[0113] In one embodiment, see Figure 18 and Figure 19 The connecting end 2113 is provided with a through hole 21131, which is filled with an insulator 23. This solves the problem of cracking at the joint between the moving spring and the insulator 23 under long-term high-temperature operation, improving the relay's thermal life under ultra-high temperature conditions. Furthermore, because the contact piece 2111 is relatively thick, the through hole 21131 in the connecting end 2113 reduces its impact on the load capacity.

[0114] Optionally, see Figure 20 There are two through holes 21131, and the two through holes 21131 are respectively set to correspond one-to-one with the connecting ends 2113 of the two contact pieces 2111.

[0115] Of course, in other embodiments, the connecting end 2113 may also be provided with two or more through holes 21131, and the number of through holes 21131 is not limited thereto.

[0116] In one embodiment, see Figure 16 and Figure 17 There are two moving spring parts 21, both of which extend along the first direction, and the two moving springs are respectively located on both sides of the armature 22 in the second direction.

[0117] In one embodiment, see Figure 17 The insulator 23 has a clearance groove 231 at its end in the second direction, and the hinge 212 is disposed in the clearance groove 231. In this way, interference between the insulator 23 and the hinge 212 is avoided, and the moving spring armature component 20 is also made compact.

[0118] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0119] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0120] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0121] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0122] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0123] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0124] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A base component for a relay, characterized in that, include: A coil assembly, the coil assembly including a coil; and A base body, the base body covering the coil; as well as A heat dissipation section is provided in at least one of the coil assembly and the base, and the heat dissipation section is correspondingly provided to the coil assembly so that the heat generated by the coil can be dissipated to the outside of the relay through the heat dissipation section.

2. The relay base component according to claim 1, characterized in that, The heat dissipation part is provided with a heat dissipation port, and the coil assembly is connected to the outside air through the heat dissipation port.

3. The base member of a relay according to claim 2, characterized by The heat dissipation port includes a first heat dissipation port, which is located on the base.

4. The relay base component according to claim 3, characterized in that, The base has a first side and a second side, the first side is used to install the moving spring armature component, and the first heat dissipation vent is located on the second side.

5. The base member of a relay according to claim 3, wherein The heat dissipation port also includes a second heat dissipation port, which is located on the coil assembly, and the first heat dissipation port is connected to the second heat dissipation port.

6. The relay base component according to claim 5, characterized in that, The coil assembly also includes an iron core and an insulating part. The insulating part is disposed on the iron core, the coil is wound on the iron core, and the second heat dissipation port is disposed on the insulating part. The iron core is in communication with the outside air through the first heat dissipation port and the second heat dissipation port.

7. The base member of a relay according to claim 6, wherein The base has a first side, which is used to mount the movable spring armature component; The iron core includes a winding section, a first pole section, and a second pole section. The winding section is disposed in the base body, and the coil is wound on the winding section. The first pole section and the second pole section are respectively disposed at opposite ends of the winding section. Both the first pole section and the second pole section extend from the winding section toward the first side. One end of the first pole section away from the winding section and one end of the second pole section away from the winding section are located outside the base body.

8. The base member of a relay according to claim 7, wherein The iron core also includes a protrusion, which is disposed between the first pole portion and the second pole portion, and extends from the winding portion toward the first side.

9. The base member of a relay according to claim 8, wherein The first heat dissipation vent is positioned opposite to the protrusion.

10. The relay base component according to claim 8, characterized in that, The insulating part includes a first insulating member, which is disposed on the protrusion and located at the middle of the winding part in the length direction, and the second heat dissipation port is disposed on the first insulating member; The first insulating element includes a first insulating body and a second insulating body. The first insulating body covers the protrusion. One end of the protrusion away from the winding portion is located outside the first insulating body. The second insulating body is disposed on the side of the winding portion away from the protrusion. The second heat dissipation port is disposed on the second insulating body and penetrates the second insulating body along the extending direction of the protrusion.

11. The relay base component according to claim 8, characterized in that, The insulating portion includes a first insulating member, a second insulating member, and a third insulating member. The first insulating member is disposed on the protrusion. The first insulating member has wire grooves on both sides of the winding portion along its length. The wire grooves are used to support the enameled wire of the coil. The second insulating member covers the first pole portion and extends toward the winding portion in a direction away from the first pole portion. The third insulating member covers the second pole portion and extends toward the winding portion in a direction away from the second pole portion. The first insulating member, the winding portion, and the second insulating member form a first winding window. The first insulating member, the winding portion, and the third insulating member form a second winding window. The coil is wound around both the first winding window and the second winding window.

12. A base member of a relay according to any one of claims 2 to 11, characterized in that, The coil assembly further includes an iron core, and the coil is wound on the iron core; The heat dissipation port is equipped with a heat-conducting component, which is thermally connected to the iron core.

13. A base member of a relay according to any one of claims 1 to 11, characterized in that, The heat dissipation section also includes a heat-conducting component, which is thermally connected to the coil assembly.

14. A relay characterized by comprising: include: A housing having a receiving cavity and a first opening communicating with the receiving cavity; The base component of the relay as described in any one of claims 1 to 11 and 13, wherein the base component of the relay is disposed within the receiving cavity through the first opening; as well as A movable spring armature component is mounted on the base body and disposed in the receiving cavity through the first opening.

15. The relay according to claim 14, characterized in that, The relay is used to transmit high-frequency signals. The relay also includes a shield, which includes a cover and a grounding terminal. The cover has a shielding cavity and a second opening communicating with the shielding cavity. The outer shell, the base component of the relay, and the moving spring armature component are all located inside the shielding cavity. The grounding terminal is located at the opening end of the cover, and the moving spring armature component is located on the side of the base component of the relay away from the second opening.

16. The relay according to claim 15, characterized in that, The coil assembly further includes an iron core, and the coil is wound on the iron core; The heat dissipation part is provided with a heat dissipation port, and a heat-conducting element is provided inside the heat dissipation port. The heat-conducting element is used for grounding and is thermally connected to the iron core.

17. The relay according to claim 16, characterized in that, The relay also includes a stationary spring lead, a moving spring lead, and a coil lead, which are assembled into a single unit via the base. The stationary spring lead-out foot includes a first flange, the moving spring lead-out foot includes a second flange, and the coil lead-out foot includes a third flange. The first flange, the second flange, and the third flange are all located outside the shielding cover through the first opening and the second opening. The grounding terminal includes a fourth flange that is folded outward from the shielding cavity. The end face of the heat-conducting element away from the iron core, the first flange, the second flange, the third flange, and the fourth flange are all located on the same plane.

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