CN214506004U - Power supply patch cord - Google Patents

Abstract

The utility model is suitable for the technical field of electronics, and provides a power supply patch cord, which comprises a main body, at least one connecting wire, an input interface and an output interface; wherein at least one of the input interface and the output interface is electrically connected with the main body through a connecting wire; the input interface and the output interface are USB interfaces; the main body includes: a voltage regulating module configured to regulate an output voltage amplitude of the output interface; and the wireless communication module is configured to be electrically connected with the voltage regulating module, controls the voltage regulating module according to an external control signal, and can regulate the output voltage amplitude according to the working voltage required by the electric equipment, so that the wireless communication module can be adapted to various low-voltage direct-current electric equipment with different working voltages, and is wide in application range and low in cost.

Description

Power supply patch cord

Technical Field

The utility model belongs to the technical field of the electron, especially, relate to a power patch cord.

Background

With the continuous development of electronic technology, various intelligent electrical equipment such as intelligent household appliances and intelligent office equipment come out endlessly, and user terminals with networking communication functions such as intelligent sound boxes and mobile phones can be used for remotely controlling the intelligent electrical equipment. The existing intelligent electrical equipment has a networking communication function, and for common electrical equipment without the networking communication function, remote control needs to be realized by means of an intelligent socket or an intelligent line control switch with the networking communication function, and the intelligent socket and the intelligent line control switch can only be adapted to alternating-current high-voltage electrical equipment powered by mains supply, so that the cost is high.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides a power patch cord to solve current ordinary electrical equipment and need realize remote control with the help of smart jack or the intelligent drive-by-wire switch that has networking communication function, and smart jack and intelligent drive-by-wire switch can only adapt to the high-pressure AC consumer that carries out the power supply by the commercial power usually, problem with higher costs.

The embodiment of the utility model provides a power supply patch cord, including main part, at least one connecting wire, input interface and output interface;

wherein at least one of the input interface and the output interface is electrically connected with the main body via the connection line;

the input interface and the output interface are USB interfaces;

the main body includes:

a voltage regulation module configured to regulate an output voltage amplitude of the output interface; and the number of the first and second groups,

and the wireless communication module is configured to be electrically connected with the voltage regulating module and control the voltage regulating module according to an external control signal.

In one embodiment, the body further comprises a switch module;

the switch module is electrically connected with the voltage regulating module or the wireless communication module;

the switching module is configured to regulate an output voltage magnitude of the output interface by controlling the voltage regulation module.

In one embodiment, the input interface is an a-type USB interface, and the output interface is a C-type USB interface or a micro USB interface.

In one embodiment, the input interface and the output interface are electrically connected with the main body via the connection lines, respectively.

In one embodiment, the input interface is provided at the body, and the output interface is electrically connected with the body via the connection line.

In one embodiment, the switch module comprises a push switch and a button;

the first fixed end of the press switch is electrically connected with the wireless communication module, the second fixed end of the press switch is electrically connected with a power supply, and the button is sleeved on the movable end of the press switch;

or the switch module comprises a single-pole multi-throw switch and a knob or a toggle button;

the wireless communication module is electrically connected with a plurality of first fixed ends of the single-pole multi-throw switch, the second fixed end of the single-pole multi-throw switch is electrically connected with a power supply, the third fixed end of the single-pole multi-throw switch is empty, and the knob or the toggle button is sleeved on the movable end of the single-pole multi-throw switch.

In one embodiment, the wireless communication module comprises a WiFi unit, a bluetooth unit, or a ZigBee unit; the voltage regulating module is configured to regulate the output voltage amplitude of the output interface in a pulse width modulation manner.

In one embodiment, the connection line is a retractable connection line.

In one embodiment, the outer periphery of the main body is provided with an annular groove for accommodating the connecting wire;

and/or the annular groove is provided with a fixing piece for fixing the connecting wire accommodated in the annular groove.

In one embodiment, the body further comprises a foldable cover;

the fixed end of the foldable cover plate is fixed on the annular groove, and the movable end of the foldable cover plate is movably arranged and used for being folded or covering the annular groove according to the push-pull operation of a user.

The embodiment of the utility model provides a power supply patch cord, including main part, at least one connecting wire, input interface and output interface; wherein at least one of the input interface and the output interface is electrically connected with the main body through a connecting wire; the input interface and the output interface are USB interfaces; the main body includes: a voltage regulating module configured to regulate an output voltage amplitude of the output interface; and the wireless communication module is configured to be electrically connected with the voltage regulating module, controls the voltage regulating module according to an external control signal, and can regulate the output voltage amplitude according to the working voltage required by the electric equipment, so that the wireless communication module can be adapted to various low-voltage direct-current electric equipment with different working voltages, and is wide in application range and low in cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of a first structure of a power adapter according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a second structure of a power adapter according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a power adapter according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a fourth structure of a power adapter according to an embodiment of the present invention;

fig. 5 is a schematic diagram of a fifth structure of a power adapter according to an embodiment of the present invention;

fig. 6 is a schematic diagram of a sixth structure of a power patch cord according to an embodiment of the present invention.

Detailed Description

In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

It should also be understood that the term "and/or" as used in the specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

Furthermore, in the description of the present invention and the appended claims, the terms "first," "second," "third," and the like are used for distinguishing between descriptions and not necessarily for describing or implying relative importance.

Reference throughout this specification to "one embodiment" or "some embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present invention. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather "one or more but not all embodiments" unless specifically stated otherwise. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless expressly specified otherwise. The term "plurality" means two or more.

The embodiment of the utility model provides a power supply patch cord is used for realizing not having the intellectuality of the ordinary consumer of networking communication function, makes ordinary consumer can utilize the power supply patch cord to be by user terminal remote wireless control, adjusts the output voltage range of power supply patch cord according to the required operating voltage of consumer to various low pressure direct current consumers of adaptation operating voltage difference, and the range of application is extensive; and the power supply patch cord is through connecting between power supply unit and consumer, adjusts the operating voltage who is adapted to the consumer with the supply voltage of direct current power supply unit output, need not directly by commercial power supply, and is with low costs.

In application, the power supply device can be a power adapter, and can also be any electrical equipment with a low-voltage direct-current power supply function, such as a notebook computer, a personal computer, a charger, a direct-current battery and the like. The electric equipment can be electric equipment with a low-voltage direct-current power supply as a working power supply, such as various household appliances like an air conditioner, a washing machine, a refrigerator and a lamp, and can also be various mobile terminals like an intelligent sound box, a mobile phone, a tablet personal computer, a notebook computer, a personal digital assistant, an intelligent wearable device and a charger, and can also be non-mobile terminals like a personal computer and a server. The user terminal can be various mobile terminals such as an intelligent sound box, a mobile phone, a tablet computer, a notebook computer, a personal digital assistant and an intelligent wearable device, and can also be non-mobile terminals such as a personal computer and a server. The embodiment of the present invention provides a specific type of power supply device, electric equipment and user terminal is not particularly limited.

As shown in fig. 1, fig. 2 or fig. 3, a power adapter 100 provided in an embodiment of the present invention includes a main body 101, at least one connecting line 102, an input interface 10 and an output interface 20;

wherein at least one of the input interface 10 and the output interface 20 is electrically connected to the main body 101 via a connection line 102;

the input interface 10 and the output interface 20 are USB interfaces;

the main body 101 includes:

a voltage regulation module 30 configured to regulate an output voltage amplitude of the output interface 20; and the number of the first and second groups,

and a wireless communication module 40 configured to be electrically connected to the voltage regulating module 30 and to control the voltage regulating module 30 according to an external control signal.

In application, all parts of the main body or arranged on the main body can be highly integrated and arranged on the main body, so that the size of the power supply patch cord is reduced, and the power supply patch cord is smaller and more portable. The main body can be arranged into any closed type hollow structure according to actual requirements, such as a cake-shaped structure, a capsule-shaped structure, a rectangular body structure and the like. The power patch cord 100 is illustratively shown in fig. 1 and 2 as having a pie-shaped configuration.

In use, the connection line may be a retractable connection line for storage, which may be an elastic helical connection line.

In one embodiment, the outer periphery of the main body is provided with an annular groove for accommodating the connecting wire;

and/or the annular groove is provided with a fixing piece for fixing the connecting wire accommodated in the annular groove.

In application, an annular groove arranged around the outer side wall of the main body can be formed in the periphery of the main body, so that the connecting wire can be conveniently stored in the annular groove and is convenient to carry; the fixing member may be a split ring (e.g., a split U-shaped ring or a split circular ring), and a maximum diameter of the split ring is smaller than a minimum size of all the ports disposed at the end of the connecting wire.

In one embodiment, the power patch cord further comprises a foldable cover;

the fixed end of the foldable cover plate is fixed on the annular groove, and the movable end of the foldable cover plate is movably arranged and used for being folded or covering the annular groove according to the push-pull operation of a user.

In using, can set up the collapsible apron that is used for covering the annular groove to in need not using the power patch cord and accomodate the connecting wire in the annular groove after, stretch this collapsible apron forward by the user and encircle the annular groove round, close the annular groove with the lid, can effectively prevent to accomodate the connecting wire scattered in disorder and winding and aesthetic measure height, do benefit to more and carry and can effectively protect the connecting wire, avoid the connecting wire by hard thing fish tail, increase of service life. When the power supply patch cord needs to be used, a user pushes and pulls the foldable cover plate to reversely surround the annular groove for a circle so as to fold the foldable cover plate.

In application, only one of the input interface and the output interface can be electrically connected with the main body through a connecting wire, or both the input interface and the output interface can be electrically connected with the main body through the connecting wire, and the input interface, the output interface and the main body have the following three setting modes:

the first setting mode is that the input interface and the output interface are respectively electrically connected with the main body through connecting wires;

the first setting mode is that the input interface is set at the main body, and the output interface is electrically connected with the main body through a connecting wire;

a first arrangement is that the input interface is electrically connected to the main body via a connection line, and the output interface is provided at the main body.

Fig. 1 exemplarily shows that the input interface 10 and the output interface 20 are electrically connected to the main body 101 via connection lines 102, respectively;

fig. 2 exemplarily shows that the input interface 10 is provided at the main body 101, and the output interface 20 is electrically connected with the main body 101 via a connection line 102.

In application, the setting modes of the power output interface of the power supply equipment and the power input interface of the electric equipment comprise four combination conditions as follows:

the first combination case is that the power output interface is arranged at the main body of the power supply equipment, and the power input interface is arranged at the main body of the electric equipment;

the second combination condition is that the power output interface is electrically connected with the main body of the power supply equipment through a power output line, and the power input interface is electrically connected with the main body of the electric equipment through a power input line;

the third combination condition is that the power output interface is electrically connected with the main body of the power supply equipment through a power output line, and the power input interface is arranged at the main body of the electric equipment;

in the fourth combination case, the power output interface is disposed at the main body of the power supply device, and the power input interface is electrically connected to the main body of the electrical device through the power input line.

In application, the first arrangement may be applied to the four combinations, the second arrangement may be applied to the second and third combinations, and the third arrangement may be applied to the second and fourth combinations.

In application, the input interface may be an a-type USB interface, and the output interface may be a C-type USB interface or a micro USB interface. Fig. 1 and 2 exemplarily show that the input interface 10 is an a-type USB interface, and the output interface 20 is a C-type USB interface.

In an application, the voltage regulating module may be configured to regulate the output voltage amplitude of the output interface by means of pulse width modulation. Specifically, the voltage regulation module can be implemented by a Pulse Width Modulation (PWM) chip, the external control signal regulates the output voltage amplitude by controlling the duty ratio of the output voltage (also called PWM signal) of the voltage regulation module, when the duty ratio of the output voltage of the voltage regulation module is 0, the output voltage is 0, the input voltage of the electric equipment is 0, which is equivalent to that the power supply patch cord has no output, and the voltage regulation module can be used for controlling the electric equipment to be powered off, closed and stop working; when the duty ratio of the output voltage of the voltage regulating module is between 0 and 100 percent (not including an endpoint value), the amplitude of the output voltage is positively correlated with the duty ratio, the input voltage of the electric equipment is between 0 and 100 percent of the output voltage of the power supply equipment, and the electric equipment with corresponding working voltage can be controlled to be electrified to start and start to work according to the difference of the duty ratios; when the duty ratio of the output voltage of the voltage regulating module is 100%, the output voltage of the voltage regulating module is equal to the output voltage of the power supply equipment, namely the output voltage of the power supply equipment is directly output to the power utilization equipment without starting the voltage regulating function of the power supply patch cord. By selecting a proper PWM chip, a user can send a wireless control signal to a power supply patch cord through a user terminal so as to perform stepless voltage regulation or multi-gear voltage regulation on the output voltage of the power supply equipment, wherein the specific voltage regulation range is determined by the output voltage of the power supply equipment, for example, the output voltage of the power supply equipment is 24V, and the voltage regulation range is 0-24V (including endpoint values).

In application, the wireless communication module comprises a WiFi unit, a bluetooth unit or a ZigBee unit, and the wireless communication units may respectively comprise a WiFi chip, a bluetooth chip, a ZigBee chip and a corresponding antenna.

The wireless communication module 40 is exemplarily shown in fig. 4 to include a wireless communication unit 41 and an antenna 42;

wherein, the wireless communication unit 41 is electrically connected with the antenna 42 and the voltage regulating module 30 respectively;

the antenna 42 is used for receiving external control signals;

the wireless communication unit 41 is configured to control the voltage regulating module 30 according to an external control signal to regulate the output voltage amplitude of the voltage regulating module 30.

As shown in fig. 1, 2, 4, or 5, in one embodiment, the body 101 further includes a switch module 50;

the switch module 50 is electrically connected with the wireless communication module 40;

the switching module 50 is configured to regulate the output voltage amplitude of the output interface 20 by controlling the voltage regulating module 30.

In application, the switch module is an entity switch arranged on the main body, is electrically connected with any one of the voltage regulating module and the wireless communication module, is directly controlled by manual operation of a user or indirectly controls the output voltage amplitude of the voltage regulating module through the wireless communication module, and is also used for controlling the wireless communication module to enter a distribution network state by manual operation of the user when the switch module is electrically connected with the wireless control communication module. The wireless communication module can also receive a wireless control signal sent by the user terminal so as to enable the user terminal to enter a distribution network state.

In one embodiment, the switch module includes a push switch and a button;

the first fixed end of the press switch is electrically connected with the wireless communication module or the voltage regulating module, the second fixed end of the press switch is electrically connected with the power supply, and the button is sleeved on the movable end of the press switch;

or the switch module comprises a single-pole multi-throw switch and a knob or a toggle button;

a plurality of first fixed ends of the single-pole multi-throw switch are electrically connected with the wireless communication module or the voltage regulating module, a second fixed end of the single-pole multi-throw switch is electrically connected with a power supply, a third fixed end of the single-pole multi-throw switch is arranged in a vacant mode, and a knob or a toggle button is sleeved on the movable end of the single-pole multi-throw switch.

The switch module 50 is illustratively shown in fig. 1, 2 and 4 as a push-type switch assembly.

In application, the switch module can be a press-type switch assembly, and is realized by a press switch and an insulating button sleeved on the press switch, and the press switch is electrically connected with the wireless communication module or the voltage regulating module and the power supply.

In application, when the switch module is connected with the wireless communication module, a user presses the button to apply an acting force on the press switch, so that the press switch is connected with the electrical connection between the wireless communication module and a power ground, after the user stops pressing, the press switch automatically pops up to disconnect the electrical connection between the wireless communication module and the power ground, when the electrical connection between the wireless communication module and the power ground is connected, a low-level signal is input to a corresponding port of the wireless communication module due to the fact that the corresponding port is connected with the power ground, and therefore the wireless communication module is triggered to output a corresponding control signal to the voltage regulating module to regulate the output voltage amplitude, or the wireless communication module is triggered to enter a distribution network state. The user presses the time length of button and has decided its concrete control function, can set up according to actual need, for example, the adjustment output voltage amplitude is pressed to the weak point, press control communication module to get into and join in marriage the net state for a long time, it is specific, press once control power supply patch cord to open for a short time, the output voltage amplitude of pressure regulating module is first voltage amplitude, press twice control voltage regulating module's output voltage amplitude for the second voltage amplitude for the weak point in succession, press the number of times and control voltage regulating module's output voltage amplitude positive correlation for the weak point in succession, press once more after the stable output terminal time of pressure regulating module and control power supply patch cord and close for the weak point, the output voltage amplitude of pressure regulating module is 0.

In application, when the switch module is connected with the voltage regulating module, a user applies acting force on the press switch by pressing the button, so that the press switch is connected with the electric connection between the voltage regulating module and the power ground, after the user stops pressing, the press switch automatically pops up to disconnect the electric connection between the voltage regulating module and the power ground, when the electric connection between the voltage regulating module and the power ground is connected, a low level signal is input to a corresponding port of the voltage regulating module due to the connection of the power ground, and the voltage regulating module is triggered to output voltage with corresponding amplitude. The user presses the time length of button and has decided its concrete control function, can set up according to actual need, for example, press once to control the power patch cord and open for a short time, the output voltage amplitude of pressure regulating module is first voltage amplitude, press twice the output voltage amplitude of control pressure regulating module for the second voltage amplitude for two times in succession for a short time, press the number of times and control pressure regulating module's output voltage amplitude positive correlation for a short time in succession, press once more after the stable output terminal time of pressure regulating module and control the power patch cord and close promptly, the output voltage amplitude of pressure regulating module is 0.

In application, the switch module can also be a rotary or toggle switch assembly, and is realized by a single-pole multi-throw switch and an insulating knob or toggle button sleeved on the single-pole multi-throw switch, and the single-pole multi-throw switch is electrically connected with the wireless communication module or the voltage regulating module and a power supply. When the switch module is electrically connected with the wireless communication module, a plurality of first movable ends of the single-pole multi-throw switch are respectively used for being correspondingly connected with a plurality of different ports of the wireless communication module one by one, a user rotates the knob or stirs the toggle button to apply acting force to the single-pole multi-throw switch, so that the single-pole multi-throw switch is connected with the electric connection between one port of the wireless communication module and a power ground or is disconnected from the electric connection between the wireless communication module and the power ground, and when the electric connection between one port of the wireless communication module and the power ground is connected, the port of the wireless communication module inputs a low level signal due to the connection with the power ground, so that the wireless communication module is triggered to output a corresponding control signal to the voltage regulating module to regulate the output voltage amplitude, or the wireless communication module is triggered to enter a distribution network state. The number of the first immovable ends of the single-pole multi-throw switch and the number of the ports of the wireless communication module can be set according to actual needs, for example, the first M first immovable ends of the single-pole multi-throw switch and the M ports of the wireless communication module are used for adjusting the output voltage amplitude, the (M + 1) th first immovable end of the single-pole multi-throw switch and the (M + 1) th ports of the wireless communication module are used for controlling the wireless communication module to enter a distribution network state, and the third immovable end of the single-pole multi-throw switch is used for controlling the power supply patch cord to be closed and the output voltage amplitude of the voltage adjusting module to be 0. M's quantity has decided the regulation gear of the output voltage range of pressure regulating module, M is positive correlation with the quantity of regulation gear, specifically, 1 st port power patch cord that switches on wireless communication module opens, the output voltage range of pressure regulating module is first voltage range, the output voltage range of 2 nd port control PWM pressure regulating module that switches on wireless communication module is the second voltage range, … …, the output voltage range of M th port control PWM pressure regulating module that switches on wireless communication module is the M voltage range.

In application, when the switch module is electrically connected with the voltage regulating module, the first movable ends of the single-pole multi-throw switch are respectively used for being correspondingly connected with the different ports of the voltage regulating module one by one, a user rotates the knob or stirs the toggle button to apply acting force to the single-pole multi-throw switch, so that the single-pole multi-throw switch is connected with the electric connection between one port of the voltage regulating module and a power ground or is disconnected with the electric connection between the voltage regulating module and the power ground, and when the electric connection between one port of the voltage regulating module and the power ground is connected, the port of the voltage regulating module inputs a low level signal due to the connection with the power ground, and the voltage regulating module is triggered to output voltage with corresponding amplitude. The number of the first immovable ends of the single-pole multi-throw switch and the number of the ports of the voltage regulating module can be set according to actual needs, for example, the M first immovable ends of the single-pole multi-throw switch and the M ports of the voltage regulating module are used for regulating the amplitude of output voltage, the third immovable end of the single-pole multi-throw switch is used for controlling the power supply patch cord to be turned off, and the amplitude of the output voltage of the voltage regulating module is 0. M's quantity has decided the regulation gear of the output voltage range of pressure regulating module, M is positive correlation with the quantity of adjusting the gear, and is specific, 1 st port power patch cord that switches on the pressure regulating module opens, the output voltage range of pressure regulating module is first voltage range, the output voltage range of the 2 nd port control pressure regulating module that switches on the pressure regulating module is second voltage range, … …, the output voltage range of the M th port control pressure regulating module that switches on the pressure regulating module is M voltage range.

As shown in fig. 4 or 6, in one embodiment, the main body 101 further includes a power management module 60;

the input interface 10 is respectively and electrically connected with the voltage regulating module 30 and the power management module 60, the output interface 20 is connected with the voltage regulating module 30, and the wireless communication module 40 is respectively and electrically connected with the voltage regulating module 30 and the power management module 60;

an input interface 10 configured to be electrically connected with the power supply apparatus 200 to input a power supply signal provided by the power supply apparatus 200;

the power management module 60 is configured to perform voltage conversion on the power supply voltage to supply power to the wireless communication module 40;

a communication module 40 configured to adjust an output voltage amplitude of the voltage regulating module 30 according to a wireless control signal transmitted from the user terminal 300;

and an output interface 20 configured to be electrically connected to the electric device 400, so as to transmit the power supply signal output by the voltage regulating module 30 to the electric device 400, so as to supply power to the electric device 400.

In application, the power management module may be implemented by a voltage regulator device or a power conversion device, for example, a voltage regulator chip or a direct current-to-direct current (DC-DC) converter, to process a power signal input through the input interface into a power signal suitable for an operating voltage and an operating current of the wireless communication module, so as to supply power to the wireless communication module.

In application, a user can control the user terminal to send a control signal to the power supply patch cord through any human-computer interaction modes such as touch control, gesture control or voice control supported by the user terminal so as to control the output voltage amplitude of the voltage regulating module, and therefore the power supply patch cord converts the power supply voltage input from the power supply equipment into the working voltage required by the electric equipment and outputs the working voltage to the electric equipment.

As shown in fig. 4, in one embodiment, the power management module 60 includes a power management unit 61 and a first filtering unit 62;

the power management unit 61 is electrically connected with the input interface 10 and the wireless communication module 40, respectively;

the first filtering unit 62 is electrically connected to the power management unit 61 and the power supply, respectively.

In application, the power management unit may be implemented by a voltage regulator device or a power conversion device, for example, a 7533-1 type voltage regulator chip. The first filtering unit can be realized by at least one filtering capacitor connected between the power output end of the power management unit and the power ground, and is used for filtering the power supply signal output to the wireless communication module by the power management unit and providing a stable power supply signal for the wireless communication module.

As shown in fig. 4, in one embodiment, the first filter unit 62 includes a first filter capacitor C1 and a second filter capacitor C2;

the power input end, the power output end and the ground end of the power management unit 61 are respectively and correspondingly electrically connected with the power positive end of the input interface 10, the voltage input end of the wireless communication module 40 and the power ground one by one;

the anode of the first filter capacitor C1 and the anode of the second filter capacitor C2 are electrically connected to the power output terminal of the power management unit 31, and the cathode of the first filter capacitor C1 and the cathode of the second filter capacitor C2 are electrically connected to the power ground.

As shown in fig. 4, in one embodiment, the power management module 60 further includes a second filtering unit 63;

the second filtering unit 63 is electrically connected to the power input terminal of the power management unit 61 and the power supply ground, respectively.

In application, the second filtering unit may be implemented by at least one filtering capacitor electrically connected between the power input terminal of the power management unit and the power ground, and configured to filter the power supply signal input by the power management unit.

As shown in fig. 4, in one embodiment, the second filtering unit 63 includes a third filtering capacitor C3;

the anode and cathode of the third filter capacitor C3 are electrically connected to the power input terminal and the power supply of the power management unit 61, respectively.

As shown in fig. 1, 2 or 6, in one embodiment, the body 101 further comprises an indication module 70;

the power input end of the indicating module 70 is electrically connected with the power output end of the power management module 60;

a power management module 60 further configured to instruct the module 70 to supply power;

the indication module 70 is configured to send an indication signal when the input interface 10 inputs the power supply signal provided by the power supply apparatus 200.

In application, when the power management module inputs a power supply signal through the input interface, the power management module converts the voltage and the current of the power supply signal into the power supply voltage and the power supply current suitable for the indication module to supply power for the indication module, so that the indication module can send out a corresponding indication signal to perform power-on indication. The indicating module can comprise at least one of an acoustic alarm, an indicating lamp, an audible and visual alarm, a voice chip and loudspeaker combination and the like, and can indicate the user through the modes of acoustic alarm, light indication, audible and visual alarm, voice prompt and the like.

The indicator module 70 is shown in fig. 1 and 2 as an indicator light for example.

The embodiment of the utility model provides a power supply patch cord, support two kinds of control methods of long-range wireless control and user's manual contact control, make the user can be according to the required operating voltage of consumer, adopt the output voltage range of any kind regulation power supply patch cord among two kinds of control methods, thereby can the different various low pressure direct current consumers of adaptation operating voltage, the range of application is extensive and with low costs, can also make the user in time learn the behavior of power supply patch cord through setting up indicating module, be convenient for investigate the fault cause.

The above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.

Claims (10)

1. A power supply patch cord is characterized by comprising a main body, at least one connecting wire, an input interface and an output interface;

wherein at least one of the input interface and the output interface is electrically connected with the main body via the connection line;

the input interface and the output interface are USB interfaces;

the main body includes:

a voltage regulation module configured to regulate an output voltage amplitude of the output interface; and the number of the first and second groups,

and the wireless communication module is configured to be electrically connected with the voltage regulating module and control the voltage regulating module according to an external control signal.

2. The power patch cord of claim 1 wherein said body further comprises a switch module;

the switch module is electrically connected with the voltage regulating module or the wireless communication module;

the switching module is configured to regulate an output voltage magnitude of the output interface by controlling the voltage regulation module.

3. The power patch cord of claim 1, wherein said input interface is a type a USB interface and said output interface is a type C USB interface or a micro USB interface.

4. The power patch cord of claim 1, wherein said input interface and said output interface are each electrically connected to said body via said connection cord.

5. The power patch cord of claim 1, wherein said input interface is disposed at said body and said output interface is electrically connected to the body via said connection cord.

6. The power patch cord of claim 2, wherein said switch module comprises a push switch and a button;

the first fixed end of the press switch is electrically connected with the wireless communication module, the second fixed end of the press switch is electrically connected with a power supply, and the button is sleeved on the movable end of the press switch;

or the switch module comprises a single-pole multi-throw switch and a knob or a toggle button;

the wireless communication module is electrically connected with a plurality of first fixed ends of the single-pole multi-throw switch, the second fixed end of the single-pole multi-throw switch is electrically connected with a power supply, the third fixed end of the single-pole multi-throw switch is empty, and the knob or the toggle button is sleeved on the movable end of the single-pole multi-throw switch.

7. The power patch cord of claim 2, wherein said wireless communication module comprises a WiFi unit, a bluetooth unit, or a ZigBee unit; the voltage regulating module is configured to regulate the output voltage amplitude of the output interface in a pulse width modulation manner.

8. A power patch cord as claimed in any one of claims 1 to 7, wherein said patch cord is a retractable patch cord.

9. The power patch cord of any one of claims 1 to 7, wherein the main body defines an annular recess at an outer periphery thereof for receiving the connection cord;

and/or the annular groove is provided with a fixing piece for fixing the connecting wire accommodated in the annular groove.

10. The power patch cord of claim 9, wherein said body further comprises a foldable cover;

the fixed end of the foldable cover plate is fixed on the annular groove, and the movable end of the foldable cover plate is movably arranged and used for being folded or covering the annular groove according to the push-pull operation of a user.

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