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CN-122026052-A - UWB module and household electrical appliances

CN122026052ACN 122026052 ACN122026052 ACN 122026052ACN-122026052-A

Abstract

The application discloses a UWB module and household electrical appliance. The UWB module comprises a circuit board, a UWB antenna, a shell and a waterproof piece, wherein the circuit board is provided with a first side face and a second side face which are arranged in a back-to-back mode, the first side face is provided with an electronic component, the UWB antenna is arranged on the second side face, the shell is provided with a containing cavity, the circuit board is installed in the containing cavity, the second side face of the circuit board faces the inner bottom face of the shell, the waterproof piece is arranged in the containing cavity, the waterproof piece covers the first side face of the circuit board, and the waterproof piece is detachably connected with the inner side wall of the shell in a sealing mode.

Inventors

  • CAO ZHONGLI
  • LI JIE
  • Sun Yuzu
  • ZHANG XIAOBIN

Assignees

  • 歌尔微电子股份有限公司

Dates

Publication Date
20260512
Application Date
20260212

Claims (10)

  1. 1. A UWB module, characterized in that the UWB module (1) comprises: A circuit board (11), the circuit board (11) having a first side (1101) and a second side (1102) disposed opposite each other, the first side (1101) being provided with electronic components (111); -a UWB antenna (12), said UWB antenna (12) being arranged at said second side (1102); A housing (13), wherein the housing (13) is provided with a containing cavity (130), the circuit board (11) is installed in the containing cavity (130), and a second side surface (1102) of the circuit board (11) is arranged towards the inner bottom surface of the housing (13); Waterproof piece (14), waterproof piece (14) set up in holding chamber (130), waterproof piece (14) cover in first side (1101) of circuit board (11), just waterproof piece (14) with the inside wall of casing (13) is detachable sealing connection.
  2. 2. The UWB module according to claim 1, characterized in that the first side (1101) of the circuit board (11) and the electronic components (111) are coated with an electronic protective coating, the electronic protective coating being provided with the waterproof (14).
  3. 3. The UWB module according to claim 1, wherein the UWB module (1) further comprises a sealing ring (15), the shell (13) is provided with a step part (131) at the outer side of the opening end of the accommodating cavity (130), and the sealing ring (15) is sleeved on the step part (131).
  4. 4. A UWB module according to claim 3, characterized in that the housing (13) is provided with a connection lug (132) outside the step (131), the connection lug (132) being provided with a connection hole (1300), the connection hole (1300) being configured for threading a fastener for mounting the UWB module (1).
  5. 5. UWB module according to any of the claims 1-4, characterized in that the waterproof element (14) is an elastic sealing plug, which is in interference fit connection with the inside wall of the housing (13).
  6. 6. The UWB module of claim 5 wherein the elastomeric sealing plug is of a silicone material.
  7. 7. The UWB module according to any of the claims 1-4, characterized in that the waterproof (14) comprises a connection plate (141) and a sealing ring (142), the connection plate (141) being snap-connected with the circuit board (11) and the connection plate (141) being snap-connected with the inner side wall of the housing (13); The sealing ring (142) is arranged at the edge position of one side of the connecting plate (141) which is far away from the circuit board (11), and the sealing ring (142) is abutted against the inner side wall of the shell (13).
  8. 8. The UWB module according to claim 7, characterized in that the side of the connection plate (141) is provided with a first clasp (1411), the first clasp (1411) being clamped to the second side (1102) of the circuit board (11).
  9. 9. The UWB module according to claim 7, characterized in that the side of the connection plate (141) is provided with a second snap (1412), the inner side wall of the housing (13) is formed with a snap interface (133), the second snap (1412) being snap-connected with the housing (13) at the snap interface (133).
  10. 10. An electric household appliance, characterized in that it comprises a UWB module (1) according to any of the claims 1-9.

Description

UWB module and household electrical appliances Technical Field The application relates to the technical field of electronic products, in particular to a UWB module and household electrical appliance. Background With the rapid development of the internet of things and intelligent home technology, an Ultra Wideband (UWB) module is beginning to be applied to household appliances such as washing machines, clothes dryers, washing and drying integrated machines, dish washers and the like, so that functions of accurate positioning, intelligent control, equipment interconnection and the like are realized. However, the working environment inside these household appliances is often severe, and is subjected to high temperatures, high humidity, and even liquid splash or condensed water accumulation for a long period of time. The environment forms a serious test on the circuit board and electronic components on the circuit board, which is easy to cause component failure, circuit board short circuit or performance attenuation, thereby affecting the reliability and service life of the UWB module. In view of this, a new solution is needed to solve the above technical problems. Disclosure of Invention The application aims to provide a novel technical scheme of a UWB module and household electrical appliances. According to a first aspect of the present application, there is provided a UWB module, the UWB module comprising: The circuit board is provided with a first side face and a second side face which are arranged in opposite directions, and the first side face is provided with an electronic component; The UWB antenna is arranged on the second side face; The circuit board is arranged in the accommodating cavity, and the second side surface of the circuit board is arranged towards the inner bottom surface of the shell; The waterproof piece is arranged in the accommodating cavity, covers the first side face of the circuit board, and is in detachable sealing connection with the inner side wall of the shell. Optionally, the first side of the circuit board and the electronic component are coated with an electronic protective coating, and the waterproof piece is arranged outside the electronic protective coating. Optionally, the UWB module further comprises a sealing ring, a step part is formed on the outer side of the opening end of the accommodating cavity of the shell, and the sealing ring is sleeved on the step part. Optionally, the housing is provided with a connection lug on the outer side of the step portion, the connection lug is provided with a connection hole, and the connection hole is configured to be used for penetrating a fastener to install the UWB module. Optionally, the waterproof piece is an elastic sealing plug, and the elastic sealing plug is in interference fit connection with the inner side wall of the shell. Optionally, the elastic sealing plug is made of silica gel. Optionally, the waterproof piece comprises a connecting plate and a sealing ring, the connecting plate is connected with the circuit board in a clamping way, and the connecting plate is connected with the inner side wall of the shell in a clamping way; the sealing ring is arranged at the edge position of one side of the connecting plate, which is far away from the circuit board, and the sealing ring is propped against the inner side wall of the shell. Optionally, a first buckle is arranged on the side portion of the connecting plate, and the first buckle is clamped to the second side face of the circuit board. Optionally, a second buckle is arranged on the side portion of the connecting plate, a clamping interface is formed on the inner side wall of the shell, and the second buckle is connected with the shell in a clamping mode at the clamping interface. According to a second aspect of the present application there is provided an electrical home appliance comprising a UWB module as described in the first aspect. In the UWB module provided by the embodiment of the application, the waterproof piece not only can provide an effective protection effect for the circuit board and the electronic components thereon, but also can realize repeated disassembly and assembly of the waterproof piece through the detachable sealing connection of the waterproof piece and the shell, and the electronic components can be repaired or replaced by the detachable waterproof piece when the UWB module breaks down without integral replacement of the UWB module, so that the maintenance cost is greatly reduced. Other features of the present application and its advantages will become apparent from the following detailed description of exemplary embodiments of the application, which proceeds with reference to the accompanying drawings. Drawings The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description, serve to explain the principles of the application. FIG. 1