CN223912285U

CN223912285U - A portable modular assembly small household appliance

Info

Publication number: CN223912285U
Application number: CN202520094456.2U
Authority: CN
Inventors: 徐玉东
Original assignee: Dongguan Beijixin Electronic Technology Co ltd
Current assignee: Dongguan Beijixin Electronic Technology Co ltd
Priority date: 2025-01-15
Filing date: 2025-01-15
Publication date: 2026-02-13
Anticipated expiration: 2035-01-15

Abstract

The utility model relates to the technical field of portable charging equipment, in particular to portable modularized assembled small household electrical equipment, which comprises a power supply unit and one or more detachable assembled modules, wherein the power supply unit is provided with an energy storage battery, a power supply management circuit and one or more interface devices for connecting the assembled modules, the power supply management circuit is respectively and electrically connected with the energy storage battery and the interface devices, each assembled module at least comprises an independent functional unit and a control circuit thereof and is provided with a switching device, the switching device is mutually matched with the interface devices of the power supply unit to form detachable fixed connection, and the control circuit is electrically connected with the power supply management circuit. In summary, the power supply unit and the assembly module combination device which are practical and attractive can be provided, more requirements of users on portability and functionality are met, and convenience and comfort of daily life are improved.

Description

Portable modularized assembled small household appliance

Technical Field

The utility model relates to the technical field of modularized electrical equipment, in particular to portable modularized assembled small household electrical equipment.

Background

In modern life, the popularity of mobile devices has led to an increasing demand for portable charging devices. The portable power source (treasured charges) is as a portable energy storage equipment, has not only satisfied the demand that electronic equipment charges anytime and anywhere, still continuously explores new possibility in functional and use convenience. Meanwhile, the demands of other small-sized electric equipment are becoming more common in daily life, and many users hope to be able to easily carry and use the portable assembly module equipment at any time when going out. Therefore, the design innovation of combining the power supply unit and the assembling module is particularly important.

The existing small-sized electric equipment and mobile power supply products are usually designed independently, namely, the small-sized electric equipment is provided with a battery, additional charge management is needed, and the small-sized electric equipment and the mobile power supply products are required to be carried independently when in use, so that the burden of a user is increased.

In addition, some small-sized devices which can be plugged into and plugged from a mobile power supply are also appeared, but the small-sized devices have relatively complex problems in connection and power supply, and particularly when quick connection and convenient disassembly are realized, convenience and safety are often difficult to balance in engineering design. The user often needs to specify the connection direction and location of the device, which may cause inconvenience and confusion during connection, affecting the convenience of use for the user.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art and provides a technical scheme capable of solving the problems.

The utility model provides a portable modularized spliced small household appliance, which comprises a power supply unit and one or more detachable spliced modules.

The power supply unit is provided with an energy storage battery, a power supply management circuit and one or more interface devices for connecting the assembly modules, and the power supply management circuit is electrically connected with the energy storage battery and the interface devices respectively.

As a further scheme of the utility model, each assembly module at least comprises an independent functional unit and a control circuit thereof, and is provided with a switching device, wherein the switching device is matched with an interface device of a power supply unit to form detachable fixed connection, and the control circuit is electrically connected with a power supply management circuit.

The interface device is provided with a first conductive part and is electrically connected with the power management circuit, the switching device is provided with a second conductive part and is electrically connected with the control circuit, and the switching device and the interface device are connected in a matching way so that the first conductive part and the second conductive part are electrically connected.

The utility model further provides a scheme that the first conductive part is provided with a conductive convex seat and a conductive contact, the conductive convex seat is fixedly connected with the interface device, the conductive contact is fixedly connected with the conductive convex seat and is electrically connected with the power management circuit, the second conductive part is provided with a conductive groove and a conductive spring needle, the conductive groove is fixedly connected with the switching device, and the conductive spring needle is arranged in the conductive groove and is electrically connected with the control circuit.

The conductive contact is provided with a first contact and at least one second contact, the first contact is arranged at the central axis of the conductive convex seat, the second contact is distributed along the circumferential direction of the central axis, the conductive spring needle is provided with a first spring needle and at least one second spring needle, the first spring needle is arranged at the central axis of the conductive groove, and the second spring needle is distributed along the circumferential direction of the central axis of the conductive groove.

The utility model further provides a scheme that the conductive convex seat and the interface device are coaxially arranged, the cross-section angle of the conductive convex seat and the cross-section edge of the interface device correspond to each other, the conductive groove and the switching device are coaxially arranged, and the cross-section angle of the conductive groove and the cross-section edge of the switching device correspond to each other.

The interface device is provided with a first magnetic attraction part, the switching device is provided with a second magnetic attraction part, and the first magnetic attraction part and the second magnetic attraction part correspond to each other to form magnetic attraction connection.

As a further scheme of the utility model, the interface device is provided with a positioning plug, the switching device is provided with a positioning sleeve, and the positioning plug can be inserted into the positioning sleeve, so that the power supply unit and the assembling module are in detachable fixed connection.

The positioning plug is arranged as a polyhedral column, the positioning sleeve is arranged as a polyhedral sleeve, the first magnetic attraction part is provided with a plurality of magnetic attraction blocks and is respectively arranged at corresponding corner parts of the polyhedral column, and the second magnetic attraction part is provided with a plurality of magnetic attraction blocks and is respectively arranged at corresponding corner parts of the bottom surface of the polyhedral sleeve.

Compared with the prior art, the utility model has the beneficial effects that:

1. The power supply unit and the assembling module are designed to be independent modules which are detachably replaced and connected with each other, so that the power supply unit and the assembling module are convenient to use in different occasions. For example, the user can select to carry the power supply unit and a plurality of different assembly modules according to needs, not only can independently use the power supply unit, but also can match after combining and assemble the module and form new small household appliances, provide new use function. Even can change and assemble the module, switch different service functions.

2. Possesses simple efficient electricity connected mode, through separable conductive component, realizes the convenient electric connection between the power supply unit and the module of assembling, especially adopts the structural design of a plurality of conductive contacts and a plurality of conductive spring needles, allows the module of assembling to carry out the matcing connection with arbitrary direction, has eliminated the directional restriction of user in the connection process.

3. Still through setting up magnetic force locking device, designed magnetism and inhaled the mechanism between two devices for the connection between the device is more convenient and firm, and can be more convenient when dismantling when needs separate, has promoted user's experience.

4. Still through setting up the tetrahedron structure of strengthening, promote its stability of connecting, adopt accurate, the location plug and the design of location sleeve that agree with, ensure overall structure's stability, significantly reduced the relative motion of connecting portion, improved the reliability of connection.

Through the improvement, the utility model can provide practical and attractive power supply unit and assembly module combination equipment, thereby meeting more requirements of users on portability and functionality and improving convenience and comfort of daily life.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of a power unit and an assembly module of the present utility model in a combined state;

FIG. 2 is a schematic cross-sectional view of a first magnetic attraction portion and a second magnetic attraction portion of the present utility model;

FIG. 3 is a schematic view of the structure of the conductive pogo pin and the conductive groove of the present utility model;

FIG. 4 is a schematic diagram of a power unit and an assembly module of the present utility model in a separated state;

FIG. 5 is a schematic cross-sectional view of a first conductive portion and a second conductive portion of the present utility model;

FIG. 6 is a schematic cross-sectional view of another embodiment of the utility model;

fig. 7 is a schematic circuit diagram of a power supply unit of the present utility model;

FIG. 8 is a schematic circuit diagram of a splice module of the present utility model;

Fig. 9 is a schematic block diagram of the electrical connection of the present utility model.

Reference numerals and names in the drawings are as follows:

10 power supply units, 11 energy storage batteries, 12 power management circuits, 13 charge and discharge interfaces, 14 PET diaphragms, 20 assembling modules, 21 functional units, 22 control circuits, 23 handle ends, 24 functional ends, 25 connecting bottom covers, 26 functional switches, 30 conductive components, 31 first conductive parts, 32 conductive bosses, 33 conductive contacts, 34 first contacts, 35 second contacts, 41 second conductive parts, 42 conductive grooves, 43 conductive spring pins, 44 first spring pins, 45 second spring pins, 51 first magnetic attraction parts, 52 second magnetic attraction parts, 60 positioning components, 61 positioning plugs and 62 positioning sleeves.

Detailed Description

The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, 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 be within the scope of the utility model.

Referring to fig. 1 to 9, in an embodiment of the present utility model, a portable modular assembled small household electrical appliance includes a power unit 10 and one or more detachable assembled modules 20, wherein the power unit 10 is provided with an energy storage battery 11, a power management circuit 12, and one or more interface devices for connecting the assembled modules 20, the power management circuit 12 is electrically connected to the energy storage battery 11 and the interface devices, each assembled module 20 includes at least one independent functional unit 21 and a control circuit 22 thereof, and is provided with a switching device, the switching device is matched with the interface devices of the power unit 10 to form a detachable fixed connection, and the control circuit 22 is electrically connected to the power management circuit 12.

Specifically, the power supply unit 10 may be a power supply device such as a mobile power supply or a charger, and the assembly module 20 may be a small-sized electric device such as a small-sized fan, a flashlight (an atmosphere night lamp), a shaver, a beauty instrument, a mobile anion oxygen bar, a small-sized blower, a powerful dust blower, etc. The connecting device and the interface device are matched and connected with each other, so that the assembling module 20 is detachably connected with the power supply unit 10 and electrically connected, the power supply unit 10 can supply power to the assembling module 20, the functional unit 21 of the assembling module 20 can operate, and corresponding expansion functions are provided.

Second, for convenience of use and portability, the power supply unit 10 and the assembly module 20 may be designed as separate modules detachably connected to each other, so as to be used in different occasions. For example, the user may select to carry only the power supply unit 10 for separate use, or to carry both the power supply unit 10 and the module 20 at the same time, as required, so that the functions of both can be used at the same time. Particularly, when only external electric equipment needs to be charged, only the power supply unit 10 can be used, and the assembly module 20 can be removed for additional storage. For example, when the mobile phone needs to be charged in a handheld manner, the assembly module 20 is not required to be connected, and only the power supply unit 10 is electrically connected with the mobile phone. The module 20 may also be placed in a carry-on bag to reduce the bulk and weight of the object held by the user during charging.

Again, when the corresponding function of the assembly module 20 is needed, the assembly module 20 is taken out and mounted on the positioning plug 61 of the power unit 10, and the first conductive portion 31 and the second conductive portion 41 are electrically connected, so that the functional unit 21 of the assembly module 20 is provided with operation power to operate, and a corresponding expansion function is provided. It will be appreciated that when different functions of the module 20 are required, the module 20 can be removed and replaced, so that one power unit 10 can supply power to a plurality of modules 20 to support the operation thereof.

As shown in fig. 7, in the circuit diagram of the power supply unit 10 of the present utility model, the functions of the relevant electronic components are described as follows:

USB1TYPE-C input/output bidirectional charging interface;

USB2USB/A output charging interface;

u1 charge and discharge management;

U2 battery protection;

PG1 is connected to first conductive part 31 for supplying power to assembly module 20;

Charging and displaying electric quantity of the LEDs 1-4;

SW1 wakes up the key switch;

And (3) protecting the temperature of the RNTC1 battery.

As shown in fig. 8, in the circuit diagram of the assembly module 20 of the present utility model, the functions of the related electronic components are described as follows:

PG1 is connected to the second conductive part 41, and is connected to the power of the power supply unit 10;

a drive IC of the U1 function unit 21;

JP1 is connected to the functional unit 21;

A SW1 function switch 26 for controlling the control circuit 22;

The program of the U2 control circuit 22 controls the MCU.

As shown in fig. 2 and 5, the interface device is preferably provided with a first conductive portion 31 and is electrically connected to the power management circuit 12, the switching device is preferably provided with a second conductive portion 41 and is electrically connected to the control circuit 22, and the switching device and the interface device are cooperatively connected to each other so that the first conductive portion 31 and the second conductive portion 41 are electrically connected.

Specifically, the first conductive portion 31 and the second conductive portion 41 may cooperate with each other to form the conductive assembly 30, so as to form an electrical energy transmission channel between the functional unit 21 and the energy storage battery 11, so that the functional unit 21 may receive electrical energy to operate, thereby providing a corresponding extended function. The first conductive portion 31 and the second conductive portion 41 may be disposed by using conductive products in various conventional conductive technologies, such as conductive devices corresponding to a plug and a socket, or electromagnetic induction type conductive devices, or contact type conductive devices abutting against each other.

As shown in fig. 2 and 5, preferably, the first conductive portion 31 is provided with a conductive boss 32 and a conductive contact 33, the conductive boss 32 is fixedly connected to the interface device, the conductive contact 33 is fixedly connected to the conductive boss 32 and is electrically connected to the power management circuit 12, the second conductive portion 41 is provided with a conductive groove 42 and a conductive spring pin 43, the conductive groove 42 is fixedly connected to the switching device, and the conductive spring pin 43 is mounted on the conductive groove 42 and is electrically connected to the control circuit 22.

Specifically, when the switching device is inserted into the interface device, the conductive spring pins 43 of the second conductive portion 41 and the conductive contacts 33 of the first conductive portion 31 can be close to each other, and finally form an abutting state, so that an electrical connection state is achieved, and an effect of transmitting electric energy is achieved. The conductive spring pin 43 can be set as a pogo pin connector in the existing product, the pogo pin is a precise connector widely applied to electronic products such as mobile phones, power supplies and the like, and the pogo pin Chinese name is a spring pin and is mainly used for current and signal transmission, namely charging and conductive effects.

Secondly, in order to facilitate installation of the conductive groove 42, a corresponding connection bottom cover 25 may be further disposed at the connection device of the assembly module 20, the peripheral position of the connection bottom cover 25 may be fixedly connected to the connection device of the assembly module 20, and the conductive groove 42 may be fixedly connected to the middle part of the connection bottom cover 25, and meanwhile, the conductive groove 42 may be recessed to a certain depth into the assembly module 20, so as to form a groove corresponding to the conductive boss 32, so that the conductive boss 32 may be inserted into the conductive groove 42 to form an accurate butt joint gesture, and the first conductive portion 31 and the second conductive portion 41 form a stable electrical connection.

As shown in fig. 3 and 4, it is preferable that the conductive contact 33 is provided with a first contact 34 and a plurality of second contacts 35, the first contact 34 is disposed at the central axis of the conductive boss 32, the plurality of second contacts 35 are uniformly distributed along the circumference of the central axis of the conductive boss 32 and are spaced apart from each other by the same distance from the central axis, the conductive spring pins 43 are provided with a first spring pin 44 and a plurality of second spring pins 45, the first spring pin 44 is disposed at the central axis of the conductive groove 42, and the plurality of second spring pins 45 are uniformly distributed along the circumference of the central axis of the conductive groove 42 and are spaced apart from each other by the same distance from the central axis.

Specifically, when the assembly module 20 is mounted on the power unit 10, the first contact 34 and the first spring pin 44 can be made to correspond to each other, so as to abut against each other to form an electrical connection. Similarly, the second contact 35 and the second spring pin 45 are brought into contact with each other to form an electrical connection. When the assembly module 20 is mounted on the power supply unit 10, in order to avoid the need for the user to distinguish the mounting direction, a plurality of second contacts 35 may be disposed uniformly distributed around the circumference of the central axis of the conductive boss 32. For example, in the conductive bump 32 having a substantially quadrangular cross section, four second contacts 35 may be provided, each at a position of a cross-sectional angle of the conductive bump 32. Likewise, the conductive spring pins 43 may be provided with a plurality of second contacts 35 uniformly distributed around the circumference of the central axis of the conductive groove 42. For example, four second spring pins 45 may be disposed in the conductive groove 42 with a substantially quadrangular cross section, and the second spring pins may be disposed at the corners of the cross section of the conductive groove 42, so that the second spring pins may correspond to the second contacts 35 of the conductive boss 32, so that when the assembly module 20 is butt-mounted on the power unit 10, the conductive boss 32 is embedded into the conductive groove 42, so that the second contacts 35 just abut against the second spring pins 45, thereby forming an electrical connection.

Secondly, since the conductive bump 32 is already provided with four second contacts 35, the conductive groove 42 may be provided with only two second spring pins 45, so that the two second spring pins 45 are respectively disposed at two positions of the cross-sectional angle of the conductive groove 42 on the diagonal line, and thus, when the assembly module 20 is inserted into the interface device of the power supply unit 10 along the direction of the arbitrary cover plate of the central axis thereof, both the two second spring pins 45 and the second contacts 35 of the conductive bump 32 may be electrically connected. Even in a more cost-effective solution, the conductive groove 42 may be provided with only one second spring pin 45, and the second conductive portion 41 and the first conductive portion 31 may be electrically connected due to the second contact 35 provided at the corresponding position of the second spring pin 45.

Again, since the direct current distinguishes between positive and negative poles, the first contact 34 and the first pogo pins 44 may each be provided as positive poles, and the plurality of second contacts 35 and the plurality of second pogo pins 45 may each be provided as negative poles. Alternatively, the first contact 34 and the first spring pins 44 may each be provided as a negative electrode, and the plurality of second contacts 35 and the plurality of second spring pins 45 may each be provided as a positive electrode.

In addition, as shown in fig. 9, the function switch 26 may be mounted on the assembly module 20, so that the function switch 26 is electrically connected to the control circuit 22, and thus the control circuit 22 may be correspondingly controlled, and the functional units 21 of the assembly module 20 may be subjected to various functions of adjustment. For example, the functional unit 21 can be controlled to be turned on or off, or the power of the functional unit can be controlled, or the rotating speed of the functional unit can be controlled to be regulated.

As shown in fig. 3, 4 and 5, it is preferable that the conductive boss 32 and the interface are coaxially disposed, and the cross-sectional angle of the conductive boss 32 and the cross-sectional edge of the interface correspond to each other, and the conductive groove 42 and the adaptor are coaxially disposed, and the cross-sectional angle of the conductive groove 42 and the cross-sectional edge of the adaptor correspond to each other.

In particular, in order to provide a conductive boss 32 more conveniently on the end face of the interface device, which is relatively small in size, the first contact 34 and the second contact 35 are spaced a relatively wide distance from each other. It is preferable that the cross-sectional angle of the conductive boss 32 and the cross-sectional edge of the interface device be disposed to correspond to each other. Further, the corner points of the cross section of the conductive boss 32 may be precisely aligned with the midpoints of the cross-sectional sides of the interface device, thereby ensuring that the axis of the conductive boss 32 coincides with the perpendicular bisector of the cross-sectional sides of the interface device. Likewise, the conductive grooves 42 and the adapter means may be provided as well.

As shown in fig. 2, 3 and 5, preferably, the interface device is provided with a first magnetic attraction portion 51, the switching device is provided with a second magnetic attraction portion 52, and the first magnetic attraction portion 51 and the second magnetic attraction portion 52 correspond to each other to form a magnetic attraction connection.

Specifically, when the power unit 10 and the assembly module 20 are close to each other and gradually combined to form a connection state, the first magnetic attraction portion 51 and the second magnetic attraction portion 52 can be attracted to each other through magnetic attraction, so as to form relatively stable magnetic attraction connection. When the two are needed to be separated, the power supply unit 10 and the assembling module 20 can be held respectively, and a certain pulling force is applied to the two ends, so that the adsorption force of the magnetic connection is overcome, and the two are detached and separated.

Secondly, because the two ends that two devices need to be connected can both be equipped with powerful magnet, realized the magnetic adsorption and the separation function between the part. The connecting structure can realize the quick connection and stable fixation of the components through magnetic force, can be easily separated when enough external force is applied, and is suitable for application scenes needing quick assembly and disassembly.

As shown in fig. 1 to 6, preferably, the interface device is provided with a positioning plug 61, the adapter device is provided with a positioning sleeve 62, and the positioning plug 61 can be inserted into the positioning sleeve 62, so that the power supply unit 10 and the assembly module 20 form a detachable fixed connection.

Specifically, the outer peripheral diameter of the positioning plug 61 is substantially the same as the diameter of the inner wall of the positioning sleeve 62, so that when the positioning sleeve 62 is sleeved on the positioning plug 61, the plug outer wall portion and the sleeve inner wall are tightly attached, thereby enhancing the structural integrity and the stability of the integral connection. The connection between the power supply unit 10 and the assembly module 20 is firmer, the relative movement is reduced, and the reliability and stability of the connection between the power supply unit and the assembly module are improved.

Secondly, in order to enable the positioning assembly 60 to assist in the locking operation, it is preferable that the magnetic blocks of the first magnetic attraction portion 51 be mounted at the end of the positioning plug 61, and the magnetic blocks of the second magnetic attraction portion 52 be mounted on the connection bottom cover 25 at the bottom of the positioning sleeve 62, so that the magnetic blocks of the first magnetic attraction portion 51 and the second magnetic attraction portion 52 can be exactly attracted to each other after the positioning plug 61 is inserted into the positioning sleeve 62, thereby forming a relatively stable magnetic attraction connection. It will be appreciated that the first magnetic attraction portion 51 and the second magnetic attraction portion 52 may be configured as magnets in existing products.

Again, a thinner layer of PET film 14 can be further disposed on the end face of the positioning plug 61, and the PET film 14 will not affect the magnetic attraction force, so that the first magnetic attraction portion 51 is covered, collision damage caused by direct contact of the two magnetic attraction portions can be prevented, and meanwhile, the mounting bolt of the power unit 10 can be shielded, so that the aesthetic property of the power unit 10 is improved, and the power unit 10 has corresponding aesthetic feeling when being used independently.

As shown in fig. 1, 3, 4 and 5, preferably, the positioning plug 61 is configured as a polyhedral column, the positioning sleeve 62 is configured as a polyhedral sleeve, the first magnetic part 51 is configured with a plurality of magnetic blocks and is respectively disposed at corresponding corners of the polyhedral column, and the second magnetic part 52 is configured with a plurality of magnetic blocks and is respectively disposed at corresponding corners of the bottom surface of the polyhedral sleeve.

Specifically, for example, the positioning plug 61 may be configured as a tetrahedron, and the first magnetic attraction portion 51 is provided with four magnetic attraction blocks and is disposed at four corner positions of the tetrahedron. Similarly, the positioning sleeve 62 may be configured as a tetrahedron sleeve, and the second magnetic attraction portion 52 is provided with four magnetic attraction blocks and is disposed at four corner positions of the bottom surface of the tetrahedron sleeve, respectively.

In order to further improve the connection firmness of the power supply unit 10 and the assembling module 20, it is preferable to provide a plurality of magnetic attraction blocks, for example, four groups of magnetic attraction blocks forming an attraction effect with each other, and the magnetic attraction blocks are respectively arranged at four corners of the interface device and four corners of the switching device, so that the corresponding four corners can be attracted to each other to form a strong magnetic attraction connection. After the arrangement, the first conductive portion 31 and the second conductive portion 41 can be abutted against each other and electrically connected, no matter when the assembly module 20 is mounted on the power unit 10 in any mounting direction. And the positioning sleeve 62 and the positioning plug 61 can be matched by utilizing special shapes (tetrahedron columns and tetrahedron sleeves), so that the positioning sleeve 62 and the positioning plug 61 are convenient to assemble, disassemble and connect. Meanwhile, the connection between the first conductive portion 31 and the second conductive portion 41 can be assisted by the mutual matching of the conductive boss 32 and the conductive groove 42, so that the conductive contact 33 and the conductive spring pin 43 can be accurately aligned, and the electrical connection state of mutual abutting is realized.

Again, in order to enhance the aesthetic appearance and the use comfort, the positioning plug 61 and the outer wall of the power supply unit 10 may be provided as rounded tetrahedral columns, and the positioning sleeve 62 may be provided as a rounded tetrahedral sleeve. Meanwhile, the handle end 23 of the assembling module 20 can be set to be a round corner tetrahedron column, so that the appearance design styles of the power supply unit 10 and the assembling module 20 are unified, an integral feeling is formed after the butt joint is finished, and the aesthetic feeling is improved. While functional end 24 of module 20 may be modified according to the corresponding function, such as when module 20 is a small fan, its corresponding functional end 24 may be configured in a cylindrical shape. When the module 20 is a shaver, the corresponding functional end 24 may be cylindrical or flat.

In addition, as shown in fig. 9, the power unit 10 may further be provided with a charging and discharging interface 13, for example, a USB interface with various specifications in the prior art is provided, so that the charging and discharging function of the power unit 10 can be realized by performing charging operation on the energy storage battery 11 inside the power unit 10 and also performing discharging operation through the USB interface. And assemble module 20 and power unit 10 adoption detachable connection's structural style and carry out the connection of combination formula, both can conveniently use at any time and assemble the corresponding function of module 20, also can be when need not use and assemble module 20, need not additionally carry and assemble module 20. For example, when only the external mobile phone needs to be charged, the assembled module 20 can be used together without being dragged, so that the use experience of people is improved. And meanwhile, the assembling module 20 can be replaced, and different functions can be switched for use.

In an embodiment, as shown in fig. 2, 4 and 5, preferably, the outer peripheral diameter of the positioning plug 61 may be smaller than the outer peripheral diameter of the integral casing of the power unit 10, so that a step is formed between the positioning plug 61 and the integral casing of the power unit 10, so that the positioning plug 61, when inserted into the positioning sleeve 62, just can enable the positioning sleeve 62 to be sleeved at the position of the step, and the outer peripheral diameter of the positioning sleeve 62 is slightly equal to the outer peripheral diameter of the casing of the power unit 10, so that a more attractive integral shape can be formed after the assembly module 20 and the power unit 10 are connected to each other.

In another embodiment, as shown in fig. 6, it is preferable that, in order to maintain an integral shape of the power unit 10 when the power unit 10 is used independently, the thickness of the housing of the power unit 10 is reduced, or the outer circumference of the housing of the power unit 10 is set to be a straight cylinder, and then the diameter of the inner wall of the positioning sleeve 62 of the assembly module 20 is set to be equal to or slightly larger than the diameter of the outer wall of the housing of the power unit 10, so that the positioning sleeve 62 can be directly sleeved on the housing of the positioning plug 61 of the power unit 10 to form a butt-jointed connection state.

Embodiment one Small Fan Module

The power unit 10 comprises a standard mobile power supply, a battery with 10000mAh built in, a power management IC (integrated circuit) and a positioning plug 61 with a three-sided column shape, wherein an interface device on the positioning plug 61 is provided with four conductive contacts 33, a central contact is positioned at a central axis, and three peripheral contacts respectively correspond to the middle point positions of the cross-section sides of the three-sided column shape. The center contact provides a positive voltage and the peripheral contacts provide a negative voltage and ground.

The fan module is a small fan with built-in control circuit 22 and a three-sided sleeve shaped positioning sleeve 62 with two spring contact pins on the adapter on the positioning sleeve 62 for connection to the contacts of the power supply unit 10. A spring contact pin located at the central axis is connected to a positive voltage and corresponds to the central contact of the power supply unit 10. The other spring contact pin, which connects the negative voltage and the ground, is provided at a midpoint position corresponding to the cross-sectional side of the three-sided sleeve shape, and corresponds to the peripheral contact of the power supply unit 10.

And the interface device of the power supply unit 10 and the switching device of the assembly module 20 are respectively provided with a corresponding magnet block to realize magnetic attraction connection for enhancing alignment and safety connection. For example, magnet blocks are respectively arranged at three cross-section angles of the positioning plug 61 in a three-sided cylindrical shape, and similarly, magnet blocks are respectively arranged at three cross-section angles of the bottom of the positioning sleeve 62 in a three-sided sleeve shape, so that the magnet blocks of the positioning plug and the positioning sleeve correspond to each other, and the positioning plug and the positioning sleeve can be mutually adsorbed to form stable magnetic connection during butt joint assembly.

Embodiment two enhanced electrically connected Lighting Module with multiple contacts

Power supply unit 10 is a square-shaped housing mobile power supply with power management circuitry 12 and a square-shaped interface device, similar to the embodiment. The interface device comprises a tetrahedral cylindrical positioning plug 61, magnetic attraction blocks are respectively arranged on four section corners, a plurality of conductive contacts 33 are arranged in the plug (one positive electrode is positioned at the central axis, and four negative electrodes are respectively arranged at the middle point positions corresponding to the section sides).

The lighting module is an LED lamp set, and the control circuit 22 comprises LED driving and brightness adjusting functions and a square switching device. The switching device comprises a tetrahedron sleeve-shaped positioning sleeve 62, wherein magnetic attraction blocks are respectively arranged at the four cross-section angles of the bottom of the sleeve, the bottom of the sleeve is provided with a conductive groove 42, and a plurality of spring contact pins (one positive electrode is positioned at the central axis, and four negative electrodes are respectively arranged at the positions corresponding to the midpoints of the cross-section edges) are arranged on the conductive groove. To ensure a reliable connection, each contact is designed with a redundant contact area and the contact pressure is ensured by a spring.

Embodiment III shaver Module with magnetic attraction and mechanical positioning

The power supply unit 10 is similar to the embodiment but the power management circuit 12 is more powerful and supports higher currents. The interface device adopts a hexagonal structure (one center contact, six corner contacts) with seven conductive contacts 33 for providing positive voltage and ground and supporting more complex module functions. The interface device comprises a hexahedral cylindrical positioning plug 61, and magnetic attraction blocks are respectively arranged at the positions of six section angles.

The shaving module is an electric shaver with a control circuit 22 and a matching switching device. The adapter device comprises a hexahedral sleeve-shaped positioning sleeve 62, on which magnetic attraction blocks are respectively arranged at six cross-sectional corners of the sleeve bottom, and the sleeve bottom is provided with a conductive groove 42, and seven spring contact pins (a spring contact pin at one center and a spring contact pin at six corners) are arranged, wherein the spring contact pins correspond to the conductive contacts 33 of the power supply unit 10, so that electric connection is formed when the spring contact pins are abutted. The positioning plug 61 is inserted into the positioning sleeve 62, the magnetic attraction blocks ensure the alignment of the positioning plug and the positioning sleeve, a firm mechanical connection is formed, and stable electric connection is formed between the conductive contact 33 and the conductive spring pin 43.

Fourth embodiment Multi-Module combination

This embodiment illustrates the use of multiple modules in combination. The power supply unit 10 has two interface devices, for example, the interface devices are respectively provided at both ends of the power supply unit 10, so that two splice modules 20 can be simultaneously assembled and mounted. Accordingly, the charge and discharge interface 13 of the power supply unit 10 may be provided at the side.

Module one a small fan module (embodiment one).

The second module is an LED lighting module (second embodiment).

The power supply unit 10 can supply power for the fan module and the lighting module simultaneously, so that the effect that one power supply unit 10 can drive and operate two assembly modules 20 simultaneously is achieved, and the use scene of equipment is improved.

These embodiments illustrate the application of the present utility model to different splice modules 20, emphasizing their modular, detachable and easy-to-connect nature. The various embodiments may be adapted according to the desired functions and dimensions to assemble a variety of portable modular small home devices.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. A portable modular assembly small household appliance, characterized in that it comprises a power supply unit (10) and one or more detachable assembly modules (20).

The power unit (10) is provided with an energy storage battery (11), a power management circuit (12), and one or more interface devices for connecting the assembly module (20). The power management circuit (12) is electrically connected to the energy storage battery (11) and the interface devices respectively.

Each assembly module (20) contains at least one independent functional unit (21) and its control circuit (22), and is equipped with an adapter. The adapter is matched with the interface device of the power supply unit (10) to form a detachable fixed connection, and the control circuit (22) is electrically connected to the power management circuit (12).

The interface device is provided with a first conductive part (31) and is electrically connected to the power management circuit (12); the adapter is provided with a second conductive part (41) and is electrically connected to the control circuit (22); the adapter and the interface device are connected to each other so that the first conductive part (31) and the second conductive part (41) are electrically connected.

The first conductive part (31) is provided with a conductive protrusion (32) and a conductive contact (33). The conductive protrusion (32) is fixed to the interface device, and the conductive contact (33) is fixed to the conductive protrusion (32) and forms an electrical connection with the power management circuit (12). The second conductive part (41) is provided with a conductive groove (42) and a conductive spring pin (43). The conductive groove (42) is fixed to the adapter device, and the conductive spring pin (43) is installed in the conductive groove (42) and forms an electrical connection with the control circuit (22).

2. A portable modular assembly small household appliance according to claim 1, characterized in that the conductive contact (33) is provided with a first contact (34) and at least one second contact (35), the first contact (34) is located at the central axis of the conductive protrusion (32), and the second contact (35) is distributed circumferentially along the central axis; the conductive spring pin (43) is provided with a first spring pin (44) and at least one second spring pin (45), the first spring pin (44) is located at the central axis of the conductive groove (42), and the second spring pin (45) is distributed circumferentially along the central axis of the conductive groove (42).

3. A portable modular assembly small household appliance according to claim 1, characterized in that the conductive protrusion (32) and the interface device are coaxially arranged, and the cross-sectional angle of the conductive protrusion (32) corresponds to the cross-sectional edge of the interface device; the conductive groove (42) and the adapter are coaxially arranged, and the cross-sectional angle of the conductive groove (42) corresponds to the cross-sectional edge of the adapter.

4. A portable modular assembly small household appliance according to claim 1, characterized in that the interface device is provided with a first magnetic suction part (51), the adapter is provided with a second magnetic suction part (52), and the first magnetic suction part (51) and the second magnetic suction part (52) correspond to each other to form a magnetic adsorption connection.

5. A portable modular assembly small household appliance according to claim 4, characterized in that the interface device is provided with a positioning plug (61), the adapter is provided with a positioning sleeve (62), and the positioning plug (61) can be inserted into the positioning sleeve (62), thereby forming a detachable fixed connection between the power unit (10) and the assembly module (20).

6. A portable modular assembly small household appliance according to claim 5, characterized in that the positioning plug (61) is configured as a polyhedral column, the positioning sleeve (62) is configured as a polyhedral sleeve, the first magnetic suction part (51) is provided with a plurality of magnetic suction blocks, which are respectively disposed at the corresponding corners of the polyhedral column; the second magnetic suction part (52) is provided with a plurality of magnetic suction blocks, which are respectively disposed at the corresponding corners of the bottom surface of the polyhedral sleeve.