High-voltage relay

Abstract

The utility model relates to a high-voltage relay which is characterized in that the high-voltage relay comprises a base and a cover, the base and the cover are connected through ultrasonic welding, an insertion part is formed on the base, and a groove is formed in the position, corresponding to the insertion part, of the cover and used for being connected with the insertion part. And after the inserting part is matched with the groove, the base is connected with the cover in an ultrasonic welding manner. The base and the cover are connected in an ultrasonic welding mode, connection is firm and reliable, and sealing performance is good. The conductive member contacts with the moving contact bridge, and the elastic sheet is arranged between the moving contact bridge and the coil assembly, so that the contact reliability of the moving contact bridge and the conductive member is improved, and the working sensitivity of the relay is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to relay technical field, concretely relates to a high voltage relay. BACKGROUND

[0002] Relay is a kind of electromechanical element widely used in electric power control, industrial automation device and household appliance etc., it is actually to control larger current, higher voltage with smaller current, lower voltage " automatic switch ".In circuit, it plays the role of automatic regulation, safety protection, conversion circuit etc.The existing relay is usually composed of base and cover, base and cover are fixed between by screw connection or buckle connection etc., further connect base and cover by the way of epoxy resin, first need to carry out vacuumizing operation to the inside of base and cover, then fill epoxy resin, again fixed by screw etc., and the connection mode process is complicated, and assembly efficiency is low. SUMMARY

[0003] The utility model aims at providing a kind of high voltage relay, to simplify the assembly mode of high voltage relay, improve production efficiency.

[0004] To achieve the above object, the utility model provides the following technical scheme,

[0005] A kind of high voltage relay, including base and cover, wherein base and cover are connected by ultrasonic welding between, the plug-in part is formed on the base, the cover is formed with recess for connecting with plug-in part at the position corresponding plug-in part, plug-in part and recess are matched and base and cover are connected by the way of ultrasonic welding.

[0006] The utility model further sets up, the conductive part is provided on the cover, one end of the conductive part is set at the outside of cover, and the other end extends to cover, coil assembly is provided in the base, moving iron core is provided in the coil assembly, push rod is provided in moving iron core, moving contact bridge is provided on the push rod, moving contact bridge is located at the base and moves to the side of conductive part and is in contact with conductive part under the energized state of coil assembly, and spring sheet is provided between moving contact bridge and coil assembly.

[0007] The utility model further sets up, the coil assembly also includes magnetic yoke, the coil of coil assembly is located in the magnetic yoke and is located around moving iron core, when the coil is energized, moving iron core drives push rod to move to the side of conductive part.

[0008] The utility model further sets up, the conductive part and moving contact bridge form disconnecting space, and magnetic cylinder is provided around disconnecting space.

[0009] The utility model further sets up, the part of push rod in the magnetic yoke is provided with reset spring.

[0010] The present invention further includes a vacuum hole on the upper surface of the cover, which communicates with the interior formed by the base and the cover.

[0011] This utility model has at least one of the following beneficial effects:

[0012] 1. The base and cover are connected by ultrasonic welding, which ensures a firm and reliable connection and good sealing performance;

[0013] 2. The conductive component is designed to contact the moving contact bridge, and a spring is installed between the moving contact bridge and the coil assembly. This improves the reliability of the contact between the moving contact bridge and the conductive component and enhances the sensitivity of the relay.

[0014] 3. The coil of the coil assembly is located inside the yoke and around the moving iron core, which helps to reduce coil heating and extend the service life of the relay;

[0015] 4. The conductive component and the moving contact bridge form a breaking space, and a magnetic cylinder is set around the breaking space, which helps to improve the breaking speed and reliability of the contact.

[0016] 5. The part of the push rod located inside the magnetic yoke is equipped with a return spring, which facilitates the rapid reset of the moving iron core and the moving contact bridge, thereby improving the response speed of the relay. Attached Figure Description

[0017] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments of this application and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0018] Figure 1 This is a top view of an embodiment of the present utility model.

[0019] Figure 2 for Figure 1 Sectional view at AA.

[0020] Figure label:

[0021] 10. Base; 101. Plug-in part; 20. Cover; 202. Groove; 203. Conductive component; 30. Coil assembly; 301. Moving iron core; 302. Push rod; 303. Moving contact bridge; 304. Spring; 305. Magnetic yoke; 306. Coil; 40. Magnetic cylinder; 50. Return spring; 60. Vacuum hole; Detailed Implementation

[0022] The following will describe in detail the implementation of this application with reference to the accompanying drawings and embodiments, so that the implementation process of how this application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0023] like Figures 1-2 As shown, this utility model is a high-voltage relay, including a base 10 and a cover 20. The base 10 and the cover 20 are connected by ultrasonic welding. A plug-in portion 101 is formed on the base 10, and a groove 202 is formed on the cover 20 corresponding to the plug-in portion 101 for connection with the plug-in portion 101. After the plug-in portion 101 and the groove 202 mate, the base 10 and the cover 20 are connected by ultrasonic welding. The ultrasonic welding connection between the base 10 and the cover 20 provides a strong and reliable connection with good sealing performance.

[0024] In this embodiment, a conductive element 203 is provided on the cover 20. One end of the conductive element 203 is located outside the cover 20, and the other end extends into the cover 20. A coil assembly 30 is provided inside the base 10. A moving iron core 301 is provided inside the coil assembly 30. A push rod 302 is provided inside the moving iron core 301. A moving contact bridge 303 is provided on the push rod 302. The moving contact bridge 303 is located at the base 10 and moves towards the conductive element 203 when the coil assembly 30 is energized, making contact with the conductive element 203 and conducting electricity. A spring piece 304 is provided between the moving contact bridge 303 and the coil assembly 30. By setting the conductive element 203 to contact the moving contact bridge 303 and providing a spring piece 304 between the moving contact bridge 303 and the coil assembly 30, the reliability of the contact between the moving contact bridge 303 and the conductive element 203 is improved, and the working sensitivity of the relay is enhanced.

[0025] In this embodiment, the coil assembly 30 further includes a magnetic yoke 305. The coil 306 of the coil assembly 30 is located within the magnetic yoke 305 and around the moving iron core 301. When the coil 306 is energized, the moving iron core 301 drives the push rod 302 to move towards the conductive element 203. The location of the coil 306 within the magnetic yoke 305 and around the moving iron core 301 helps reduce heat generation in the coil 306 and extends the service life of the relay.

[0026] In this embodiment, the conductive element 203 and the moving contact bridge 303 form a breaking space, and a magnetic cylinder 40 is arranged around the breaking space. The conductive element 203 and the moving contact bridge 303 forming a breaking space, and the magnetic cylinder 40 being arranged around the breaking space, are beneficial to improving the contact breaking speed and reliability.

[0027] In this embodiment, a return spring 50 is provided on the portion of the push rod 302 located within the magnetic yoke 305. The presence of the return spring 50 on the portion of the push rod 302 located within the magnetic yoke 305 facilitates the rapid reset of the moving iron core 301 and the moving contact bridge 303, thereby improving the response speed of the relay.

[0028] In this embodiment, a vacuum hole 60 is provided on the upper surface of the cover 20. The vacuum hole 60 communicates with the interior formed by the base 10 and the cover 20. After ultrasonic welding is completed, a vacuuming operation is achieved through the vacuum hole 60.

[0029] If certain terms are used in the specification and claims to refer to specific components, those skilled in the art will understand that hardware manufacturers may use different names to refer to the same component. This specification and claims do not distinguish components based on differences in name, but rather on differences in function. The term "comprising" as used throughout the specification and claims is an open-ended term and should be interpreted as "comprising but not limited to." "Approximately" means that within an acceptable margin of error, those skilled in the art can solve the technical problem and substantially achieve the technical effect within a certain margin of error.

[0030] It should be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a product or system comprising a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a product or system. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the product or system that includes that element.

[0031] The foregoing description illustrates and describes several preferred embodiments of the present invention. However, as previously stated, it should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the inventive concept by means of the foregoing teachings or techniques or knowledge in related fields. Any modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention should be within the protection scope of the appended claims.

Claims

1. A high-voltage relay, characterized in that, The device includes a base and a cover, wherein the base and the cover are connected by ultrasonic welding. The base has a plug-in part, and the cover has a groove at the position corresponding to the plug-in part for connecting with the plug-in part. After the plug-in part and the groove are engaged, the base and the cover are connected by ultrasonic welding.

2. A high-voltage relay as described in claim 1, characterized in that, The cover is provided with a conductive element, one end of which is located outside the cover and the other end extends into the cover. The base is provided with a coil assembly, and the coil assembly is provided with a moving iron core. The moving iron core is provided with a push rod, and the push rod is provided with a moving contact bridge. The moving contact bridge is located at the base and moves towards the conductive element when the coil assembly is energized, and makes contact with the conductive element to conduct electricity. A spring is provided between the moving contact bridge and the coil assembly.

3. A high-voltage relay as described in claim 2, characterized in that, The coil assembly also includes a magnetic yoke, and the coil of the coil assembly is located inside the magnetic yoke and around the moving iron core. When the coil is energized, the moving iron core drives the push rod to move towards the conductive part.

4. A high-voltage relay as described in claim 2, characterized in that, The conductive component and the moving contact bridge form a separation space, and a magnetic cylinder is arranged around the separation space.

5. A high-voltage relay as described in claim 2, characterized in that, The portion of the push rod located inside the magnetic yoke is equipped with a return spring.

6. A high-voltage relay as described in claim 2, characterized in that, The upper surface of the cover is provided with a vacuum hole, which communicates with the interior formed by the base and the cover.

Images