CN214852253U - Circuit board assembly and shell installation assembly and wireless microphone - Google Patents

Abstract

The application provides a circuit board assembly and casing installation assembly and wireless microphone. The circuit board assembly and housing mounting assembly includes a housing and a circuit board assembly mounted to the housing. The shell is of an integral injection molding structure and is provided with a first opening used for inserting and fixing the circuit board assembly. The shell is provided with a plurality of first electrodes in a penetrating mode, and the circuit board assembly is provided with a plurality of Pogo Pin second electrodes in a matching mode and used for being pressed to the first electrodes to form electric connection. The circuit board assembly is provided with an inserting part extending along the inserting direction, and the shell is provided with a slot in a matching mode to form inserting connection. The circuit board assembly is also fixed to the housing by means of screws or snap-in. The wireless microphone comprises a microphone head, a handle and a circuit board assembly, wherein the circuit board assembly and a shell of the handle form the circuit board assembly and a shell installation assembly. This application through the casing and the first electrode of integrative moulding plastics, insert the circuit board assembly who establishes the installation, realized compact structure, simple installation, connect reliable technological effect.

Description

Circuit board assembly and shell installation assembly and wireless microphone

Technical Field

The utility model relates to a microphone technical field especially relates to a circuit board subassembly and casing installation assembly and wireless microphone.

Background

The wireless microphones can convert sound signals into radio signals and send the radio signals to the host, each wireless microphone has a different radio working frequency, and the host can simultaneously receive the signals sent by each wireless microphone and restore the radio signals into the sound signals. Because the wireless microphone is convenient and comfortable to use, the wireless microphone is popularized in various occasions such as stages and KTVs.

The handle of the wireless microphone is composed of a shell and a circuit board assembly arranged in the shell, for example, the wireless microphone provided by the invention patent application with publication number CN104105018A, a containing cavity is formed by buckling a front cover and a rear cover, and the containing cavity is used for arranging a main circuit board. Also, for example, patent application publication No. CN105872868A provides a microphone, in which a control circuit board and other components are fixed by a cylinder and a fixing seat disposed at the bottom of the cylinder.

However, these conventional techniques have the following disadvantages:

1. the shell is composed of a plurality of parts, the structure is complex, the installation is inconvenient, and the structural strength is not high;

2. the circuit board has complex mounting structure, more auxiliary parts, more mounting steps and low production efficiency;

3. the charging interface is required to be specially arranged, so that the mounting structure is more complex, more parts are required, and the mounting is more complicated.

SUMMERY OF THE UTILITY MODEL

To the above defect that prior art exists, the utility model provides a casing simple structure is compact, circuit board subassembly simple to operate, the interface that charges need not extra installation step, circuit board subassembly and casing installation assembly that structural strength is high and include the wireless microphone of above-mentioned circuit board subassembly and casing installation assembly.

The circuit board assembly and the shell installation assembly provided by the application comprise a shell and a circuit board assembly installed on the shell, wherein the shell is of an integral injection molding structure and is used for accommodating the circuit board assembly; the housing having a first opening in a first direction for inserting and securing the circuit board assembly to the housing in the first direction; at least 1 first electrode is arranged on the exposed shell and penetrates through the shell to the inside of the shell; and at least 1 second electrode matched with the first electrode is arranged on the circuit board assembly and used for being pressed and electrically connected with the first electrode after the circuit board assembly is fixed to the shell.

This application is through setting the casing to a part that an organic whole was moulded plastics, will realize simultaneously that a plurality of first electrodes of charging or other functions set up on the casing, match on circuit board assembly and set up the second electrode, accomplish the pressfitting of circuit board and electrode simultaneously when inserting circuit board assembly from first opening and establish to the casing and be connected, simplified mounting structure and installation steps, improved installation reliability and structural strength simultaneously.

Preferably, one end of the housing away from the opening is a planar bottom surface forming an angle with the first direction, and the first electrode is disposed on the bottom surface; the first electrode or the second electrode is an elastic electrode. One of the electrodes needing press connection is set as an elastic electrode, so that the design difficulty and the manufacturing tolerance requirement of the mounting structure can be reduced, and the reliability of electric connection is improved. Meanwhile, although the first electrode is arranged on the side face of the shell, the first electrode can be connected with the second electrode in a pressing mode, for example, the second electrode is arranged to be a spring electrode, the first electrode is arranged on the bottom face of the shell, and when the second electrode is connected with the first electrode in a pressing mode in the first direction, the mounting structure is minimum in design difficulty and highest in connection reliability.

Preferably, the bottom surface is perpendicular to the first direction, and the first electrode is integrally injection-molded to the bottom surface; the second electrode is a Pogo Pin elastic electrode. The bottom surface is optimally arranged when being perpendicular to the first direction, namely the inserting direction of the circuit board assembly. The Pogo Pin electrode is a standard component with compact structure and reliable function, and can ensure reliable electrical connection under the simplest assembly process conditions.

Preferably, the circuit board assembly is provided with at least one plugging part, and the plugging part protrudes perpendicularly to the first direction to form a plate-shaped convex rib and is arranged in parallel with the first direction; the shell is provided with a slot matched with the inserting part, and the inserting part is used for being inserted into the slot. The insertion part is arranged on the side surface of the circuit board assembly perpendicular to the first direction in a protruding mode, so that the circuit board assembly can be inserted into the insertion groove formed in the shell in a matched mode, and positioning and fixing of the circuit board assembly can be achieved simultaneously.

Preferably, the circuit board assembly includes a first circuit board fixed to a circuit board holder, and a circuit board holder to which the second electrode is fixed and electrically connected to the first circuit board. The inserting parts are arranged on the circuit board support, the number of the inserting parts is 2, and the inserting parts are oppositely arranged on the same plane. The technical effect of setting up the circuit board support lies in: simplifying the design of the first circuit board; compared with the technical scheme of directly inserting the circuit board to the shell, the circuit board connector has the advantages that flexible configuration and high connection strength can be achieved. The second electrode is fixed to the circuit board holder in order to more flexibly arrange the second electrode and ensure the reliability of the electrical connection with the first electrode. When the number of the inserting parts is 2, the structure is simple, the manufacture is convenient, and the reliable inserting function can be realized. Certainly, when the configuration of the first circuit board is relatively simple and the circuit board itself has enough arrangement space, the circuit board bracket can be omitted, the second electrode and the battery are arranged on the first circuit board, and 2 insertion parts are formed by utilizing the edge of the first circuit board and are directly inserted into the slot of the shell.

A second direction is formed in the plane perpendicular to the first direction; the inserting part is at least divided into a first inserting section close to the first opening and a second inserting section close to the bottom surface; the slot is divided into a first slot section matched with the first plugging section and a second slot section matched with the second plugging section in the first direction. The plug part is divided into 2 plug sections, and the slots are divided into 2 corresponding slot sections, so that smaller plug gaps can be designed, the installation is convenient, the installation gaps are reduced, the plug can be conveniently carried out, and materials are saved.

Preferably, the width of 2 first plug sections in the second direction is greater than the width of 2 second plug sections in the second direction; the first slot section and the second slot section are provided with draft angles along the first direction. Because the casing is as an organic whole moulds plastics, can make the installation more convenient with the structure that grafting portion design becomes to narrow along first direction, the design of the draft inclination of the casing of being convenient for simultaneously.

Preferably, one or more or a combination of a knob, a key, a toggle switch and an indicator light is arranged on the first circuit board; the shell is provided with a plurality of second openings penetrating through the shell in a matching mode, the knob, the key and the part of the toggle switch for operation of a user penetrate through the corresponding second openings, and the lamp shade of the indicator lamp is clamped in the corresponding second openings. The casing that the integrative was moulded plastics and is set up function element that supplies user operation or play the suggestion effect such as knob, button, switch, indicator light cover on it does not influence, specifically can insert through the second opening of seting up on the casing and establish these function element and user's interactive part on the casing or function element body after circuit board assembly inserts and establishes.

Preferably, the circuit board bracket is further provided with at least one screw hole or a first buckle or a first clamping hole, the housing is provided with a screw hole or a second clamping hole or a second buckle in a matching manner, and the circuit board bracket is used for fixing the circuit board assembly to the housing and limiting the circuit board assembly in the first direction;

the screw hole and the screw hole are arranged in parallel to the first direction. After the circuit board assembly is clamped in place, the circuit board assembly can be further positioned and fixed by a screw or a clamping structure so as to increase the connection strength. Meanwhile, the functions can be realized by other parts mounted on the shell, for example, the circuit board assembly can be further limited and fixed by a fixing structure of the microphone head.

The wireless microphone comprises a microphone head, a handle and a circuit board assembly, wherein the handle comprises a shell, and the circuit board assembly and the shell form the circuit board assembly and a shell installation assembly; the circuit board assembly further comprises a rechargeable battery, and the number of the first electrodes is two, and the first electrodes are used for charging the rechargeable battery. By using the circuit board assembly and the shell installation assembly, the microphone can be compact in structure and convenient to install, and meanwhile, the structural strength and the electric connection reliability of the microphone are guaranteed. In actual production, only the circuit board or the preassembled circuit board assembly needs to be inserted into the shell, the circuit board or the preassembled circuit board assembly is fixed by screws or clamped according to specific setting, and then the key cap, the indicating lamp cover and other accessory parts are inserted into the corresponding second openings, so that the circuit board or the circuit board assembly can be installed.

The technical effects of the utility model reside in that:

1. the circuit board assembly and the shell of the shell installation assembly are integrally injected, the number of parts is reduced to 1, the structure is simple and compact, and the strength is high;

2. the preassembled circuit board assembly is fixed to the shell through the inserting structure, the positioning and fixing functions can be completed in one installation step, and the installation of the circuit board assembly can be completed only through fewer steps by adding an optimized scheme of screw connection or clamping connection;

3. through will expose the electrode and mould plastics to casing bottom, connect through elasticity electrode pressfitting simultaneously, can accomplish the installation of charging connection simultaneously in the step of installation circuit board subassembly, compact structure, save man-hour, increase the connection reliability.

Drawings

The invention will be described in further detail with reference to the following drawings and embodiments:

FIG. 1 is a perspective view of the housing of the first embodiment;

FIG. 2 is a top view of the housing of the first embodiment;

FIG. 3 is a schematic view of a circuit board assembly and housing mounting assembly according to the first embodiment;

FIG. 4 is a schematic diagram of the components of the circuit board assembly and the housing mounting assembly of the first embodiment;

FIG. 5 is a perspective view of a circuit board support according to the first embodiment;

FIG. 6 is a schematic view of a first electrode and a second electrode according to the first embodiment;

FIG. 7 is a schematic view of a wireless microphone according to the second embodiment;

the reference numbers illustrate:

10. the portable electronic device comprises a shell, 11, a first opening, 12, a bottom surface, 13, a first electrode, 13a, a central electrode, 13b, a ring electrode, 14, a slot, 15, a threaded hole, 16, a second opening, 20, a circuit board assembly, 21, a first circuit board, 22, a circuit board support, 23, a rechargeable battery, 24, a second electrode, 24a, an elastic electrode a, 24b, an elastic electrode b, 25, a second circuit board, 26, a key, 27, a key cap, 30, a microphone, 141, a first slot section, 142, a second slot section, 221, a plug part, 222, a screw hole, 2211, a first plug section, 2212, a second plug section, a first direction and a second direction.

Detailed Description

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following description will be made with reference to the accompanying drawings. For the sake of simplicity, only the parts related to the utility model are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items. In this document, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The first embodiment is as follows: a circuit board assembly and housing mounting assembly.

As shown in fig. 3, the circuit board assembly and housing mounting assembly of the present embodiment includes a circuit board assembly 20 and a housing 10, the circuit board assembly 20 being mounted to the housing 10. As shown in fig. 1, the housing 10 is a unitary injection-molded structure for accommodating the circuit board assembly 20; the housing 10 has a first opening 11 for insertion and fixation of the circuit board assembly 20 to the housing in the first direction a. As shown in fig. 2 and 4, an end of the housing 10 away from the first opening 11 is a bottom surface 12 perpendicular to the first direction a. As shown in fig. 4 and 6, 2 first electrodes 13 are exposed on the bottom surface 12, and as shown in fig. 4 and 6, the 2 first electrodes 13 are respectively a central electrode 13a and a ring electrode 13b, and upper ends of the central electrode 13a and the ring electrode 13b penetrate through the housing 10 to the inside thereof.

As shown in fig. 4, the circuit board assembly 20 includes a first circuit board 21, 4 keys 26 disposed on the first circuit board, a key cap 27 configured with the keys 26, a circuit board support 22, a rechargeable battery 23, a second circuit board 25, and a set of Pogo Pin type second electrodes 24 soldered on the second circuit board 25. The first circuit board 21, the second circuit board 25 and the rechargeable battery 23 are fixed to the circuit board holder 22, and the second circuit board 25 is used to establish electrical connection between the second electrode 24 and the first circuit board. As shown in fig. 6, the second electrodes 24 are 3 Pogo Pin electrodes, 1 elastic electrode a matched with the central electrode 13a, and 2 elastic electrodes b matched with the ring electrode 13b, respectively. After the circuit board assembly 20 is fixed to the housing 10, the elastic electrode a (24a) is pressed on the upper end of the central electrode 13a, and the 2 elastic electrodes b (24b) are pressed on the upper end of the ring electrode 13b, so that reliable electrical connection is formed.

As shown in fig. 2, the first electrode 13, i.e. the central electrode 13a and the ring electrode 13b, and the housing 10 are integrally injection molded into an assembly, as shown in fig. 3, the preassembled circuit board assembly 20 is inserted into the housing 10 from the first opening 11 of the housing 10 along the first direction a, then the key cap 27 is clamped on the second opening 16 formed on the side surface of the housing 10, and meanwhile, the 3 second electrodes 24 are automatically pressed with the 2 first electrodes 13, so that the installation is convenient, the connection is reliable, the structural strength is high, and the shock resistance and the fall resistance are high.

As a variation of this embodiment, the bottom surface 12 may be disposed obliquely, i.e. forming a non-right angle with the first direction a, and by arranging the circuit board support 22 and the second electrode 24 in a matching manner, a reliable press connection may be achieved, which is suitable for the occasion with corresponding structural requirements or shell molding requirements. In a special case, the first electrode 13 may be disposed on the side of the housing 10, and the second electrode 24 may be disposed as a flip-chip electrode or a Pogo Pin electrode, and the electrical connection between the electrodes may be simultaneously completed when the circuit board assembly 20 is inserted into the housing 10. The number of the first electrodes 13 is not limited to 2, and may be 1 or more than 2, and a plurality of the first electrodes 13 may be disposed at different positions without departing from the technical concept of the present application.

As other variations of this embodiment, the number of the first circuit boards 21 may also be more than 1, and other electronic or mechanical components such as a knob, a toggle switch, and an indicator light may also be disposed on the first circuit board 21, and only the circuit board support 22 needs to be disposed in a matching manner, and the corresponding second openings 16 are disposed in the housing 10 in a matching manner, and portions of the components operated by a user penetrate through the corresponding second openings 16, or the lamp covers of the indicator light are clamped in the corresponding second openings 16. These electronic or mechanical components may also be arranged on different sides or orientations of the housing 10, which may be achieved by arranging a plurality of first circuit boards 21 in cooperation. When the circuit arrangement is simple, the circuit board support 22 may be omitted, the rechargeable battery 23 and the second electrode 24 are directly fixed to the first circuit board 21, and the first circuit board 21 is directly inserted into the housing 10.

As shown in fig. 5, the circuit board support 22 is provided with 2 plate-shaped plugging portions 221 extending in the first direction a; the 2 plug-in parts 221 are arranged in the same plane. The insertion part 221 protrudes in a rib shape in a second direction B perpendicular to the first direction a; as shown in fig. 2, the mating insertion part 221 of the housing 10 is provided with a slot 14; the insertion part 221 is inserted into the insertion groove 14 along the first direction a. In the above-mentioned variation without the circuit board support 22, the 2 insertion portions 221 may be directly formed by the edge of the first circuit board 21 and directly inserted into the insertion slot 14 of the housing 10.

As shown in fig. 5, the plug part 221 is divided into a first plug section 2211 near the first opening 11 and a second plug section 2212 near the bottom surface 12; the 2 first plug sections 2211 are formed to have a width in the second direction B larger than that of the 2 second plug sections 2212, so that the circuit board bracket is integrally in a shape narrowing along the first direction a, and the first circuit board 21 is similarly disposed so that the circuit board assembly 20 is inserted into the housing 10. Accordingly, the socket 14 is divided in the first direction a into a first socket section 141 matching the first plug section 2211 and a second socket section 142 matching the second plug section 2212. Dividing the plugging portion 221 into 2 plugging segments and the socket 14 into 2 corresponding socket segments can design a smaller plugging gap, which is convenient for installation and reduces the installation gap, and meanwhile, can save materials. Meanwhile, the first and second slot segments 141 and 142 are each provided with a draft in the first direction a.

As a variation of this embodiment, only one insertion portion 221 may be provided, and the surface of the circuit board support 22 on the opposite side thereof is designed as a contour surface of the inner surface of the housing 10, which may also form an insertion structure; the number of the plugging portions 221 can be multiple, and the multiple plugging portions 221 can be arranged in different directions, so that the circuit board assembly 20 is suitable for application occasions with larger volume and/or larger shell 10.

As shown in fig. 5 and fig. 2, the top of the circuit board support 22 is further provided with a shoulder with 2 screw holes 222, the housing 10 is provided with 2 screw holes 15 in a matching manner, and the axes of the screw holes 222 and the screw holes 15 are parallel to the first direction a. The circuit board support 22 is fixed to the upper end of the housing 10 by screws, and defines a limit for the circuit board assembly 20 in the first direction a.

As a variation of this embodiment, in the case where the screw connection is provided, the first electrode 13 and the second electrode 24 may be provided as common electrodes of the inelastic electrodes, and then the corresponding electrodes may be pressed together by the screw connection to form the electrical connection by matching dimensional tolerances of the circuit board holder 22 and the housing 10. As a variation of the screw connection, a buckle and a clamping hole may be disposed on the circuit board support 22 and the housing 10 in a matching manner, and in the process of inserting the circuit board support 22 into the housing 10, the circuit board support 22 is limited and clamped in the first direction a by the buckle and the clamping hole. Other components mounted on the housing 10, such as a microphone head, may be used to press-fit the circuit board support 22 when the microphone head is mounted on the housing 10.

Example two: a wireless microphone.

As shown in fig. 7, the wireless microphone of the present embodiment includes a microphone head 30, a handle including a housing 10, and a circuit board assembly 20 (not shown, see fig. 3 and 4). The circuit board assembly 20 and the housing 10 form a circuit board assembly and housing mounting assembly as described in the first embodiment. The circuit board assembly 20 comprises a rechargeable battery 23, the rechargeable battery 23 is mounted to the circuit board support 22 and electrically connected with the first circuit board 21; the first electrode 13 is used to charge the rechargeable battery 23. By applying the circuit board assembly and the shell installation assembly of the first embodiment, the microphone can be compact in structure and convenient to install, and meanwhile, the structural strength and the electric connection reliability of the microphone are guaranteed.

The foregoing is only a preferred embodiment of the present application and the technical principles employed, and various obvious changes, rearrangements and substitutions may be made without departing from the spirit of the application. Other advantages and effects of the present application will be readily apparent to those skilled in the art from the disclosure herein. The present application is capable of other and different embodiments and its several details are capable of modifications and variations in various respects, all without departing from the spirit of the present application. Without conflict, the features in the above embodiments and embodiments may be combined with each other, for example, under the guidance of the integrally injection molded housing and the fast plugging connection manner in the present application, the technical features such as the specific implementation manner of the plugging structure, the specific arrangement manner of the electrodes, the specific implementation manner of the screw connection and the clamping connection may be modified and combined.

Claims (10)

1. A circuit board assembly and housing mounting assembly comprising a housing and a circuit board assembly mounted to the housing, wherein the housing comprises a top surface and a bottom surface;

the shell is of an integral injection molding structure and is used for accommodating the circuit board assembly;

the housing having a first opening in a first direction for insertion and securing of the circuit board assembly to the housing in the first direction;

at least 1 first electrode is arranged on the exposed shell and penetrates through the shell to the inside of the shell;

and at least 1 second electrode matched with the first electrode is arranged on the circuit board assembly and used for being pressed and electrically connected with the first electrode after the circuit board assembly is fixed to the shell.

2. A circuit board assembly and housing mounting assembly according to claim 1, wherein:

one end of the shell, which is far away from the opening, is a planar bottom surface which forms an angle with the first direction, and the first electrode is arranged on the bottom surface;

the first electrode or the second electrode is an elastic electrode.

3. A circuit board assembly and housing mounting assembly according to claim 2, wherein:

the bottom surface is perpendicular to the first direction, and the first electrode is integrally injected to the bottom surface;

the second electrode is a Pogo Pin elastic electrode.

4. A circuit board assembly and housing mounting assembly as in claim 3, wherein:

the circuit board assembly is provided with at least one inserting part, and the inserting part is protruded to form a plate-shaped convex rib perpendicular to the first direction and is arranged in parallel with the first direction;

the shell is provided with a slot matched with the inserting part, and the inserting part is used for being inserted into the slot.

5. A circuit board assembly and housing mounting assembly as in claim 4, wherein: the circuit board assembly includes a first circuit board and a circuit board support, the first circuit board being secured to the circuit board support, the second electrode being secured to the circuit board support and electrically connected to the first circuit board;

the inserting parts are arranged on the circuit board support, the number of the inserting parts is 2, and the inserting parts are oppositely arranged on the same plane.

6. A circuit board assembly and housing mounting assembly as in claim 5, wherein:

the inserting part is at least divided into a first inserting section close to the first opening and a second inserting section close to the bottom surface;

the slot is divided into a first slot section matched with the first plugging section and a second slot section matched with the second plugging section in the first direction.

7. A circuit board assembly and housing mounting assembly as in claim 6, wherein:

a second direction is formed in the plane perpendicular to the first direction;

the width formed by the 2 first plug sections in the second direction is larger than the width formed by the 2 second plug sections in the second direction;

the first slot section and the second slot section are provided with draft angles along the first direction.

8. A circuit board assembly and housing mounting assembly as in claim 7, wherein:

one or more or combination of a knob, a key, a toggle switch and an indicator light is arranged on the first circuit board;

the shell is provided with a plurality of second openings penetrating through the shell in a matching mode, the knob, the key and the part of the toggle switch for operation of a user penetrate through the corresponding second openings, and the lamp shade of the indicator lamp is clamped in the corresponding second openings.

9. A circuit board assembly and housing mounting assembly according to any one of claims 5 to 8, wherein:

the circuit board support is also provided with at least one screw hole or a first buckle or a first clamping hole, the shell is provided with a threaded hole or a second clamping hole or a second buckle in a matching manner, and the circuit board support is used for fixing the circuit board assembly to the shell and limiting the circuit board assembly in the first direction;

the screw hole and the screw hole are arranged in parallel to the first direction.

10. The utility model provides a wireless microphone, includes miaow head, handle and circuit board subassembly, the handle includes the casing, its characterized in that:

the circuit board assembly and the housing form a circuit board assembly and housing mounting assembly as claimed in any one of claims 1 to 9;

the circuit board assembly comprises a rechargeable battery, and the number of the first electrodes is two, and the first electrodes are used for charging the rechargeable battery.

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