CN220896900U - Circuit module and electronic equipment - Google Patents

Abstract

The utility model discloses a circuit module and electronic equipment, and belongs to the technical field of hardware equipment. The circuit module comprises a circuit board, a connecting terminal fixed on the circuit board and a battery pack, wherein the battery pack comprises a button battery and a battery lead connected with the button battery; the button cell is fixed on the connecting terminal, and the battery wire is connected with the circuit board electricity. The electronic equipment comprises an equipment shell and the circuit module, wherein the circuit module is arranged in the equipment shell; the shell is provided with a terminal opening, and the position of the connecting terminal corresponds to the terminal opening. According to the circuit module and the electronic equipment, the button battery with the wire is directly fixed to the connecting terminal, then the battery lead is electrically connected with the circuit board, the button battery is not directly arranged on the surface of the circuit board, the area of the circuit board can be saved, and the layout influence on surrounding electronic devices is small.

Description

Circuit module and electronic equipment

Technical Field

The present utility model relates to the field of hardware devices, and in particular, to a circuit module and an electronic device.

Background

Circuit modules are configured in hardware devices of electronic devices to implement various functions, and include a circuit board and various devices integrated on the circuit board. Many electronic devices have functions of data storage, time sequence recording, time recording, etc., and need to supply power to some chips in the circuit module after external power supply is cut off or power is cut off, so as to provide related functions. Therefore, there is a need for a built-in battery in many circuit modules, and the power consumption of the functions that the chip still realizes after the external power supply is cut off is not large, and a button battery is generally adopted as the built-in battery of the circuit module.

The volume of the button cell is relatively large compared with the volume of most electronic devices integrated on the circuit board, so that the button cell arranged on the circuit board occupies a large area, and space is wasted.

Disclosure of utility model

The aim of the embodiment of the utility model is that: provided are a circuit module and an electronic device, wherein a button cell with a wire is fixed to a connection terminal, and the area of a circuit board can be saved.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

A circuit module, comprising:

a circuit board;

a connection terminal fixed to the circuit board;

The battery pack comprises a button battery and a battery lead connected with the button battery; the button cell is fixed in the connecting terminal, the battery wire with the circuit board electricity is connected.

Optionally, the circuit module includes a plurality of the connection terminals; the connecting terminal is a communication terminal and is arranged close to the side edge of the circuit board.

Optionally, the circuit module includes a plurality of the connection terminals arranged at intervals; a clearance gap is formed between adjacent connecting terminals; the button cell is vertically arranged in the clearance.

Optionally, a side of the connection terminal, which faces away from the circuit board, is a terminal top surface, and a side of the connection terminal, which is adjacent to the circuit board, is a terminal side surface;

The button cell is fixed on the top surface or the side surface of the terminal.

Optionally, the button cell and the circuit board are arranged at intervals, and a suspension gap is formed between the button cell and the circuit board.

Optionally, the circuit board comprises a wire plugging seat, wherein the wire plugging seat is welded to the circuit board; the battery pack comprises a plug wire head connected with the battery lead, and the plug wire head is inserted into the plug wire seat so that the button battery is electrically connected with the circuit board.

Optionally, the battery pack comprises an envelope, and the envelope is wrapped outside the button cell.

Optionally, the two sides of the button cell in the thickness direction are cell end faces, and the envelope at least covers two cell end faces; and one side of the envelope, which is away from the end face of the battery, is provided with adhesive, and the button battery is adhered to the connecting terminal through the adhesive.

Optionally, the anti-static adhesive is covered and stuck outside the connecting terminal; the button battery is clamped between the antistatic patch and the connecting terminal, or is stuck to one side of the antistatic patch, which is away from the connecting terminal.

An electronic device, comprising:

an equipment shell provided with a terminal port; and

The circuit module as described in the above;

Wherein the circuit module is arranged in the equipment shell; the position of the connecting terminal corresponds to the terminal opening.

The beneficial effects of the utility model are as follows: according to the circuit module and the electronic equipment, the button battery with the wire is fixed to the connecting terminal, the battery lead is electrically connected with the circuit board, the button battery is not directly arranged on the surface of the circuit board, the area of the circuit board can be saved, the influence on the layout of surrounding electronic devices is small, and the compact design of the circuit module is facilitated.

Drawings

The utility model is described in further detail below with reference to the drawings and examples.

FIG. 1 is a related art insert holder for mounting a button cell to a circuit board;

FIG. 2 is a metal patch holder for attaching a button cell to a circuit board in accordance with the related art;

FIG. 3 is a schematic diagram of a battery pack used in a circuit module according to an embodiment of the present utility model;

Fig. 4 is a circuit board and connection terminal layout diagram in a circuit module according to an embodiment of the utility model;

FIG. 5 is a schematic diagram of a circuit module according to an embodiment of the utility model;

FIG. 6 is a second schematic diagram of a circuit module according to an embodiment of the utility model;

fig. 7 is a third schematic diagram of a circuit module according to an embodiment of the utility model.

In the figure: 10. a circuit board; 11. a side edge; 20. a connection terminal; 21. a terminal top surface; 22. a terminal side; 30. a battery pack; 31. a button cell; 32. a battery lead; 33. a plug of wire; 34. an envelope; 40. a clearance is avoided; 50. a plug wire seat.

Detailed Description

In order to make the technical problems solved by the present utility model, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "affixed" and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Circuit modules are configured in hardware devices of electronic devices to implement various functions, and include a circuit board and various devices integrated on the circuit board. The circuit module is generally powered by an external power supply, and the circuit module is internally provided with a battery. Because many electronic devices have functions of storing data, recording time sequence, recording time, etc., some chips in the circuit module can still be powered after external power supply is cut off or power is cut off, so as to provide related functions. Therefore, there is a need for a built-in battery in many circuit modules, and the functions that the chip still needs to realize after the external power supply is cut off are generally not large in power consumption, so that only a button battery needs to be built in the circuit modules.

Compared with the volume of most electronic devices integrated on a circuit board, the volume of the button cell is relatively large, and in the related art, the arrangement mode of the button cell on the circuit board has some problems, for example, the button cell occupies a larger area of the circuit board, which is not beneficial to reducing the volume of the whole circuit module, for example, the button cell is not beneficial to the layout of surrounding electronic devices after being mounted on the circuit board, and the like.

In the related art, button cells built in the circuit module mainly have the following layout modes.

Layout mode one: the flat-laid socket shown in fig. 1 is used, a groove for accommodating the button cell is formed in the socket, and after the socket is welded on the circuit board in a flat manner, the button cell is arranged in the groove of the socket in a flat manner.

Layout mode II: the socket is vertically arranged (not shown), a groove for accommodating the button cell is formed in the socket, the socket is vertically welded on the circuit board, and then the button cell is vertically arranged in the groove of the socket. The opening of the groove on the plug-in seat is positioned at the left side or the right side, and the bottom of the plug-in seat extends out of the pins.

And a layout mode III: after the flat metal patch holder shown in fig. 2 is used to weld the insert holder to the circuit board, a gap is formed between the insert holder and the circuit board, and the button cell is inserted flat into the gap and sandwiched between the circuit board and the metal holder.

The battery holders in the first to third layout modes are used for fixing button batteries and are used for realizing the electric connection between the button batteries and the circuit board.

The layout modes one to three all have the problem of occupying large space of the circuit board. The plug-in seat of the first layout mode is welded on the circuit board in a flat way, and occupies a larger circuit board area; a certain space needs to be reserved beside the welding surface of the plug-in unit seat to meet the welding condition, which is unfavorable for the space layout of the circuit board; the non-soldered face of the insert holder (i.e., the exposed side of the button cell) also occupies a relatively large space. The plug-in seat of the second layout mode is vertically welded on the circuit board, the welding space formed by pins with the third welding surface at a relatively close distance is relatively large, the area occupied by the circuit board with the welding surface is large, the vertically arranged plug-in seat has relatively high height, and the layout devices on the left side and the right side of the plug-in seat are limited, so that routing and the like are not facilitated.

The layout mode is three-phase relative to the layout mode I and the layout mode II, occupies a larger circuit board area, is unfavorable for the layout of components on the circuit board, and the larger bonding pad occupies the wiring space of the welding surface, so that the wiring is unfavorable. After the metal patch seat in the third layout mode is welded to the circuit board, the area of the middle exposed bonding pad is larger, a procedure of sticking high-temperature glue for protection is needed, and the control requirement on production is higher. The area of the exposed bonding pad in the middle of the third layout mode is large, and the bonding pad is easy to oxidize after long-term placement, so that poor contact is caused. In the third layout mode, the button cell needs to be laterally inserted into a gap between the seat and the circuit board, the requirement on the layout position of the seat is severe, the seat needs to be placed on the edge of the plate, an opening is arranged on the side face of a hardware product, the button cell can be inserted into the gap from the side face, or a large piece of area without other electronic device layout needs to be reserved at the outlet and inlet position of the gap, the button cell can be inserted and installed from the gap, and the device layout on the circuit board is difficult to be large.

The first layout mode and the second layout mode need to use wave soldering technology, and cannot be applied to a full-flow soldering technology production line. The wave soldering is suitable for pin electronic components, the principle of wave soldering is that molten liquid soldering tin forms wave crests, and in the wave crest furnace conveying process, pins are stuck with the liquid soldering tin for cooling and solidification when passing through the wave crests of the liquid soldering tin, so that the welding is completed. Reflow soldering is suitable for electronic components (i.e. components with pins attached to a circuit board) of a patch, and the principle of reflow soldering is to utilize reflow formed by hot air to melt solder for soldering, so that the solder is bonded with the components. The welding efficiency of reflow soldering is high.

In order to solve the problems encountered during the installation of the button cell 31 on the circuit board 10 in the related art, the utility model provides a circuit module, which directly fixes the button cell 31 on the connection terminal 20, so that the area of the circuit board 10 can be saved, and the layout of surrounding electronic devices is less affected.

The utility model also provides electronic equipment which adopts the circuit module, and can be a notebook computer, a tablet computer, an interactive intelligent tablet, a learning machine, a computer host and the like. The button cell 31 in the circuit module is used as an internal power supply, and can continuously supply power to part of chips after power failure, so that the requirements of data storage, time sequence recording and time recording after the electronic equipment is disconnected with an external power supply are met.

Referring to fig. 3 to 7, the structure of the circuit module of the present utility model is described below.

The circuit module includes a circuit board 10, connection terminals 20, and a battery pack 30.

The connection terminals 20 are soldered to the circuit board 10. The connection terminal 20 is also called a connection terminal, a connection terminal 20, an external connection terminal, a data line terminal, a communication terminal, or the like. The connection terminal 20 is used for providing a data transmission interface for external devices, apparatuses and equipment, and the connection terminal 20 can be electrically connected with other modules, apparatuses and equipment through a data line. The connection terminal 20 may be, but is not limited to, a DP interface, an HDMI interface, a VGA interface, a DVI interface, a Thunderbolt interface, a USB interface, or a network interface.

The battery pack 30 includes button cells 31 and battery leads 32. Button cell 31, also known as button cell. Button cell 31 may be, but is not limited to, a non-rechargeable lithium manganese button cell, a non-rechargeable alkaline zinc manganese button cell, a rechargeable lithium ion button cell. The battery lead 32 is electrically connected with the button cell 31, i.e., the battery pack 30 is a wired button battery pack 30. The button cell 31 is fixed to the connection terminal 20, and the cell wire 32 is electrically connected to the circuit board 10.

The circuit module of the utility model eliminates the battery holder welded on the circuit board 10, and reduces the occupation of the battery holder to the area of the circuit board 10 when the button cells 31 are arranged. The button cell 31 is fixed on the connecting terminal 20, the volume of the connecting terminal 20 is larger than that of other electronic devices such as a chip, the button cell 31 can be provided with a mounting position, the button cell 31 can be conveniently fixed, the space around the connecting terminal 20 can be reused, and the limitation on the layout of other electronic devices during the mounting of the button cell 31 is reduced. Since the connecting terminal 20 has a certain height and volume, no complicated wiring is designed around the connecting terminal 20, and in this case, the button cell 31 is fixed to the connecting terminal 20, which will not affect the wiring of surrounding electronic devices.

By adopting the button cell 31 with the wire, the power supply function of the button cell 31 can be realized by electrically connecting the button cell 31 with the circuit board 10 through the cell wire 32 under the condition that the button cell 31 is fixed at the connecting terminal 20 without the cell holder.

With continued reference to fig. 4, the connection terminals 20 are coastline terminals, i.e., terminals disposed near the edge and side 11 of the circuit board 10. The circuit module includes a plurality of connection terminals 20, the plurality of connection terminals 20 are disposed near the side 11 of the circuit board 10, and the plurality of connection terminals 20 are arranged at intervals along the extending direction of the board edge of the side board of the circuit board 10. Since the connecting terminal 20 is close to the edge of the circuit board 10, the button cell 31 is fixed on the connecting terminal 20 close to the edge of the circuit board 10, so that the button cell 31 is prevented from occupying the board surface area of the circuit board 10, and the influence on the layout of other devices is reduced as much as possible.

The connection terminal 20 is a coastline terminal, and the button cell 31 may be fixed to the connection terminal 20 at least by the following three ways:

A first fixing mode is as follows: referring to fig. 4 and 5, a space 40 is formed between adjacent connection terminals 20, and when the width of the space 40 is greater than the thickness of the button cell 31, the button cell 31 may be vertically installed in the space 40. The button cell 31 may be fixed to any of the connection terminals 20 by means of adhesive fixation, stopper, or the like.

When the circuit module is applied to an electronic device such as a computer host, the circuit module is disposed in a device case, and a plurality of terminal openings are provided on a panel of the device case, and the positions of the terminal openings correspond to positions of the internal connection terminals 20, so that a connector of an external data line can be connected to the connection terminals 20 inside the device through the terminal openings. Because the plastic casing with a certain thickness is generally wrapped outside the connector of the external data line, in order to avoid the interference when two adjacent terminal ports are simultaneously inserted into the data line connector, when the circuit module is designed in a layout manner, a clearance gap 40 is reserved between two adjacent connection terminals 20, so that the condition that two adjacent terminal ports can be simultaneously inserted into the data line connector is satisfied.

In the fixing mode, the button cells 31 are arranged in the clearance gaps 40 between the adjacent connecting terminals 20, so that the clearance gaps 40 can be fully utilized, and the occupation of the button cells 31 to other on-board spaces is avoided.

And a second fixing mode: referring to fig. 4 and 6, the connection terminal 20 is provided with a terminal top surface 21 on a side facing away from the circuit board 10, and the button cell 31 is fixed to the terminal top surface 21 by adhesion or the like. The button cell 31 is fixed on the terminal top surface 21 in a flat manner, so that the adhesion connection area is enlarged, and the fixing reliability of the button cell 31 is improved.

And a fixing mode III: referring to fig. 4 and 7, the side of the connection terminal 20 facing away from the circuit board 10 is a terminal side surface 22, and the button cell 31 is fixed to the terminal side surface 22 by adhesion or the like. For example, the button cells 31 may be fixed upright on the back of the terminals facing away from the edge of the circuit board 10. The button cell 31 is vertically fixed on the terminal side 22, so that the adhesion area is enlarged, and the fixing reliability of the button cell 31 is improved.

In practice, if the clearance gap 40 between coastline terminals and the coastline terminal are high enough, button cells 31 of a suitable thickness are disposed in the clearance gap 40. If the clearance 40 is small or the coastline terminal height is too low, the button cell 31 is fixed to the terminal top surface 21 or the terminal side surface 22. The button cell 31 can be horizontally or vertically arranged according to actual requirements, and the assembly of the button cell 31 with the wire is more convenient.

The button cell 31 is fixed to the connection terminal 20 by means of adhesion. The mode of pasting and fixing is adopted, the fixing is simple, the implementation is easy, and the cost is low. If the button cell 31 is adhered and fixed on the circuit board 10, the button cell 31 arranged horizontally occupies a large area of the board surface of the circuit board 10, and in the working process of the circuit module, the button cell 31 approaches to the circuit board 10 Gao Reou, and the adhesive between the button cell 31 and the circuit board 10 fails at high temperature, so that the button cell 31 falls off, loosens and falls off and other problems. In this embodiment, the button cell 31 is directly attached to the connection terminal 20, the connection terminal 20 is usually far away from the PCB high heat area and is located at the edge of the board, and the outer shell of the connection terminal 20 is usually made of metal material with good heat dissipation performance, so that the risk of falling off of the cell adhesive caused by high temperature can be overcome, and the reliability and safety of the installation of the button cell 31 are improved. Of course, the housing of the connection terminal 20 may be made of plastic.

In an embodiment, the battery pack 30 is a button cell 31 with adhesive and wires, i.e. when the button cell 31 is supplied, i.e. the button cell 31 is provided with adhesive and wires, the button cell 31 can be directly adhered and fixed on the connecting terminal 20 through the adhesive (not shown) with adhesive, and the assembly efficiency is high. In other embodiments, the battery pack 30 may be provided without adhesive, and the button cells 31 may be adhered and fixed to the connection terminals 20 by double-sided adhesive, glue, single-sided tape, or the like when the button cells 31 are fixed.

In order to avoid influencing the layout of the devices beside the connection terminal 20, when the button cell 31 is fixed in the first or third fixing manner, the button cell 31 is configured to be spaced from the circuit board 10, so that a suspension gap is formed between the button cell 31 and the circuit board 10, i.e. the button cell 31 is suspended, so as to avoid influencing the layout of the devices beside the connection terminal 20. Especially when button cell 31 is fixed at the terminal back of connecting terminal 20 departure from circuit board 10 border, hang button cell 31 in midair and fix at connecting terminal 20, can be at the lower electronic device of connecting terminal 20 overall arrangement height, unsettled button cell 31 reduces the influence to the electronic device overall arrangement. And, the button cell 31 of unsettled arrangement has a certain distance from circuit board 10, receives circuit board 10 to generate heat and influences fewly, and the glue of button cell 31 adhesion usefulness is difficult to become invalid.

With continued reference to fig. 5-7, in order to electrically connect the battery wires 32 to the circuit board 10, a plug socket 50 is disposed in the circuit module, and correspondingly, a plug 33 is disposed in the battery pack 30. The socket 50 is soldered to the circuit board 10, and correspondingly, referring to fig. 3, 5 to 7, the battery pack 30 includes a plug wire head 33 electrically connected with the battery wire 32, and the plug wire head 33 is inserted into the socket 50 to electrically connect the button cell 31 with the circuit board 10. The patch cord holder 50 may be soldered to the circuit board 10 using a reflow or wave soldering process to accommodate different manufacturing requirements.

If the button cell 31 with the wire and the plug 33 is attached to the circuit board 10 and the plug 33 is inserted into the socket 50 on the circuit board 10, the button cell 31 is attached to the area after the electronic device is soldered to the circuit board 10 according to the larger space of the area, and the plug 33 is inserted into the socket 50. In this way, since the attaching position of the button cell 31 is not easily determined, a plurality of factors such as the layout position of the plug wire holder 50, the attaching position of the button cell 31, whether the wire length of the button cell 31 is suitable or not without excessive winding, and the like need to be considered at the same time, and many restrictions are required.

In the circuit module of the present utility model, the type of the connecting terminal 20 to be soldered, the layout of the connecting terminal 20, and the size parameters of the button cell 31 can be determined at the PCB design stage before the soldering of the upper board of the electronic device, and the fixing position of the button cell 31 can be basically determined. Since the fixing position of the button cell 31 with the wire can be determined in advance, it is convenient to determine the wire length of the battery wire 32 according to different layout spaces and to determine the soldering position of the patch cord holder 50 on the circuit board 10. After the position of the button cell 31 which occupies the most space is determined, the length of the battery wire 32 and the position of the plug socket 50 can be dynamically adjusted according to the devices arranged at the rear end of the connection terminal 20. In the whole design and manufacturing process, the factors needing to be weighed are few, and the difficulty is reduced.

In addition, compared with the scheme of sticking the button cell 31 with the wire on the board surface of the circuit board 10, the risk of adhesive heating failure caused by high temperature of the board surface of the circuit board 10 can be reduced or avoided by sticking the button cell 31 with the wire on the connecting terminal 20.

In the foregoing related art, the button cell 31 needs to be exposed from the first layout mode to the third layout mode, so as to ensure that the button cell 31 contacts with the electrical contact or the electrical contact of the seat when the button cell 31 is mounted on the seat, thereby electrically connecting the button cell 31 with the circuit board 10. Thus, after the button cell 31 is fixed, the exposed area of the button cell 31 is large, and short circuit or discharge is easily caused with other shells or objects, so that the function of the PCB is invalid.

With continued reference to fig. 3, in order to solve the problem of the exposed button cell 31, the battery pack 30 includes an envelope 34, and the envelope 34 is wrapped around the button cell 31. The envelope 34 may cover part of the button cell 31, or may cover the whole button cell 31, and the cell wire 32 extends out of the envelope 34, so as to electrically connect the button cell 31 with the circuit board 10. The envelope 34 may be an insulating glue, plastic, or the like. The button cell 31 with the envelope 34 has high safety.

In one embodiment, the two sides of the button cell 31 in the thickness direction are cell end faces, and the cell end faces on the two sides are the cell front face and the cell back face. The envelope 34 covers at least two battery end surfaces, and the envelope 34 covers the front and the back of the button battery 31 with larger area, so that short circuit or discharge between the flat button battery 31 and other shells or objects can be avoided. The side of the envelope 34 facing away from the battery end face is provided with adhesive by which the button cell 31 is adhered to the connection terminal 20. The adhesive may be, but is not limited to, double-sided adhesive, and the positions, corresponding to the front or the back of the battery, outside the envelope 34 are provided with adhesive, so that the adhesion area of the battery can be increased, and the button battery 31 is firmly adhered and fixed.

In other embodiments, the battery pack 30 may be a non-self-adhesive battery pack 30, and the button cells 31 are fixed by adhering in the form of liquid glue or the like when the button cells 31 are fixed.

In order to solve the EMC electromagnetic compatibility problem, the connection terminal 20 is typically attached with an antistatic patch (not shown) on the outside of the connection terminal 20, and the antistatic patch may be, but is not limited to, an antistatic foam with a back adhesive, or an antistatic adhesive tape. In some embodiments, the button cell 31 may be attached to the connection terminal 20 during the step of attaching the anti-static electricity attachment, and then the anti-static electricity attachment is attached, so that the button cell 31 is clamped between the anti-static electricity attachment and the connection terminal 20, and the fixation of the button cell 31 is enhanced and is easy to implement. Of course, the button cell 31 may be attached to the connection terminal 20 by using only the antistatic attachment.

In other embodiments, the button cell 31 may be attached to the antistatic patch after the antistatic patch is attached.

In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and the like are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify operation, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for providing a special meaning.

In the description herein, reference to the term "one embodiment," "an example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in the foregoing embodiments, and that the embodiments described in the foregoing embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

The technical principle of the present utility model is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Other embodiments of the utility model will be apparent to those skilled in the art from consideration of this specification without undue burden.

Claims (10)

1. A circuit module, comprising:

a circuit board (10);

A connection terminal (20) fixed to the circuit board (10);

A battery pack (30) comprising a button cell (31) and a cell wire (32) connected to the button cell (31); the button cell (31) is fixed on the connecting terminal (20), and the cell wire (32) is electrically connected with the circuit board (10).

2. The circuit module according to claim 1, characterized in that it comprises a plurality of said connection terminals (20); the connecting terminal (20) is a communication terminal, and the connecting terminal (20) is arranged close to the side edge (11) of the circuit board (10).

3. The circuit module according to claim 1, characterized in that it comprises a plurality of said connection terminals (20) arranged at intervals; a clearance gap (40) is formed between adjacent connecting terminals (20); the button cell (31) is vertically arranged in the clearance gap (40).

4. The circuit module according to claim 1, characterized in that the side of the connection terminals (20) facing away from the circuit board (10) is a terminal top surface (21), and the side of the connection terminals (20) adjacent to the circuit board (10) is a terminal side surface (22);

The button cell (31) is fixed to the terminal top surface (21) or the terminal side surface (22).

5. The circuit module according to any one of claims 1-4, characterized in that the button cell (31) is arranged at a distance from the circuit board (10), and a suspension gap is formed between the button cell (31) and the circuit board (10).

6. The circuit module according to any one of claims 1-4, comprising a patch socket (50), the patch socket (50) being soldered to the circuit board (10); the battery pack (30) comprises a plug wire head (33) connected with the battery lead (32), and the plug wire head (33) is inserted into the plug wire seat (50) so that the button battery (31) is electrically connected with the circuit board (10).

7. The circuit module according to any one of claims 1-4, characterized in that the battery pack (30) comprises an envelope (34), the envelope (34) being wrapped outside the button cell (31).

8. The circuit module according to claim 7, wherein both sides in the thickness direction of the button cell (31) are cell end faces, and the jacket (34) covers at least two of the cell end faces; and an adhesive is arranged on one side of the envelope (34) away from the end face of the battery, and the button battery (31) is adhered to the connecting terminal (20) through the adhesive.

9. The circuit module according to any one of claims 1 to 4, comprising an antistatic patch, said antistatic patch being attached outside said connection terminal (20); the button cell (31) is clamped between the antistatic patch and the connecting terminal (20), or the button cell (31) is stuck to one side of the antistatic patch, which is away from the connecting terminal (20).

10. An electronic device, comprising:

an equipment shell provided with a terminal port; and

A circuit module as claimed in any one of claims 1 to 9;

Wherein the circuit module is arranged in the equipment shell; the position of the connection terminal (20) corresponds to the terminal opening.