CN207819117U - A smart USB data cable - Google Patents

Abstract

The utility model is related to a kind of intelligent USB data lines, including data line, control device；Control device connects USB plug by data line；The MCU monitoring circuits of control device are equipped with the control module being connect with MCU, detection module, timer timing module, the display module with liquid crystal display；Control module controls electrically conducting and disconnecting for battery to be charged；The voltage and current of detection module detection data line work, the voltage of battery to be charged, and detection data is fed back into control module；Timer timing module starts timing in charging；Display module shows the voltage and charged state of timing, the voltage and current of data line work, battery to be charged.Control device is arranged in the utility model on the data line, timer timing module and display module are set on the circuit of control device, just timing and timing and charged state are shown when battery charges, and people can accomplish effective management and control to charging by the variation of the charge time and charged state that need.

Description

A smart USB data cable

technical field

The utility model relates to a data line, in particular to an intelligent USB data line capable of timing battery charging and displaying the charging state of the battery.

Background technique

Lithium batteries are widely used in portable digital devices, such as mobile phones, digital camera equipment, portable computers, lighting equipment, etc., because of their many advantages such as high energy density, long cycle life, environmental protection, and light weight, and are also widely used in large-scale equipment Aspects, such as electric vehicles, electric tools, industrial equipment, energy storage power generation, etc., and gradually replace nickel-cadmium, lead-acid, nickel-metal hydride and other batteries. At present, most digital products use lithium batteries and use USB charging ports. Many detachable lithium batteries also use USB ports, but they all lack effective control over battery charging, cannot realize charging timing, and cannot display charging status. People cannot predict When the charging is completed, the battery will be charged all the time, and charging for a long time will easily cause the battery to be scrapped, or even catch fire and explode.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides an intelligent USB data line, a control device is set on the data line, a timer timing module and a display module are set on the control circuit of the control device, and when the battery is charged through the data line, the Start timing and display the timing time and battery charging status. After the timing time is exceeded, the power will be automatically cut off, so as not to cause overcharging of the battery. People can effectively control the charging and better protect the equipment through the time required for charging and the change of the charging state of the battery.

The technical scheme that the utility model solves its technical problem adopts is:

An intelligent USB data cable, comprising a data cable and a control device; the control device connects a USB-TYPE-A male head and a USB plug through the data cable; the control device is located on a belt connected to the outer surface of the data cable In the shell of the window, the control device includes a control circuit board with an MCU monitoring circuit electrically connected to the data line, and the MCU monitoring circuit is provided with a control module connected to the MCU, a detection module, a timer timing module, A display module with a liquid crystal display; the control module controls the electrical conduction and disconnection of the battery to be charged connected to the USB plug; The voltage of the rechargeable battery, and feed back the information of each current and voltage to the control module; the timer timing module starts timing when the battery to be charged is electrically conductive; the liquid crystal display of the display module is embedded in the shell The window also displays the timing time of the timer timing module, the working voltage and working current through the data line, the voltage of the battery to be charged and the charging state.

Preferably, the timer timing module is a timing module integrated in the MCU.

Preferably, the liquid crystal display also displays the percentage of electricity of the battery to be charged and the charging electricity flowing to the battery to be charged.

Preferably, the USB plug is a micro-B male plug.

The beneficial effects of the utility model are: a control device is set on the data line, a timer timing module and a display module are set on the control circuit of the control device, and when the battery is charged through the data line, it starts timing and displays the timing time and charging state, The power will be cut off automatically after the set time is exceeded, so as not to cause overcharging of the battery. People can effectively control the charging and better protect the equipment through the time required for charging and the charging state of the battery.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the utility model will be further described below in conjunction with the accompanying drawings and embodiments. The accompanying drawings in the following description are only some embodiments of the present invention. Those of ordinary skill in the art can also obtain other drawings based on these drawings without creative labor:

Fig. 1 is a schematic diagram of the utility model;

Fig. 2 is the perspective exploded schematic view of the utility model;

Fig. 3 is the block diagram of the utility model MCU monitoring circuit;

Component names and serial numbers in the figure: 1-data cable 2-control device 3-USB-TYPE-A male head 4-USB plug 5-housing 6-MCU monitoring circuit 20-control circuit board 50-window 60-control module 61 - detection module 62 - timer timing module 63 - display module 64 - MCU 630 - liquid crystal display.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be made below in conjunction with the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the implementation of the present invention Examples, not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present utility model.

The utility model embodiment is shown in Fig. 1 to Fig. 3, comprises data line 1, control device 2; Said control device 2 connects a USB-TYPE-A type male head 3 and a USB plug 4 through data line 1, TYPE -A-type male connector is compatible with a wide range of equipment, which can make the product widely used in the market. At the same time, the control device 2 is set on the data line 1 instead of the USB-TYPE-A male connector 3 or USB plug 4, avoiding various The structure of the plug becomes complicated, which also makes the control device 2 adaptable to various plugs; the control device 2 is located in a housing 5 with a window 50 connected to the outer surface of the data line 1, and the control device 2 includes a The control circuit board 20 provided with the MCU monitoring circuit 6 electrically connected to the data line 1 is provided with a control module 60 connected to the MCU64, a detection module 61, a timer timing module 62, and a liquid crystal display on the MCU monitoring circuit 6. The display module 63 of the screen; the control module 60 controls the electrical conduction and disconnection of the battery to be charged connected to the USB plug 4; the detection module 61 detects the operating current and operating voltage through the data line 1 when powered on, The voltage of the battery to be charged, and feed back the information of each current and voltage to the control module 60; the timer timing module 62 starts counting when the battery to be charged is electrically conductive; the liquid crystal display 630 of the display module 63 is embedded The timing time of the timer timing module 62 , the operating voltage and operating current through the data line 1 , the voltage and charging status of the battery to be charged are displayed in the window 50 of the housing 5 . When the charging is started, the timer timing module 62 starts timing, and the detection module 61 detects the operating voltage and operating current through the data line 1, as well as the voltage of the battery to be charged, and the MCU 64 detects the plug pin level through the detection module 61 to identify the battery to be charged. The battery type or device type to be charged, and through the detected voltage of the battery, the percentage of power of the battery is obtained through a software algorithm; The charging capacity of the rechargeable battery is used to judge whether charging is complete. When the charging exceeds the preset time, the control module 60 will automatically cut off the charging output to protect the battery from being charged for a long time; the display module 63 will display the timing time and various parameters on the liquid crystal display 630, so that people can intuitively know the charging time. The status of charging can be effectively controlled to better protect equipment.

As a further improvement, as shown in FIG. 3 , the timer timing module 62 is a timing module integrated in the MCU 64 , which simplifies the circuit structure.

As a further improvement, the liquid crystal display screen 630 also displays the percentage of power of the battery to be charged and the charging power flowing to the battery to be charged, so that the charging situation can be fully grasped through multiple charging data, so as to effectively control the charging , better protection equipment.

As a further improvement, the USB plug 4 is a micro-B male connector, which has a wide application range and can meet the needs of most people. Of course, in order to meet other needs, under the same principle, the USB plug can also be a lighting plug or a mini plug.

It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should belong to the protection scope of the appended claims of the present utility model.

Claims (4)

1. a kind of intelligence USB data line, it is characterised in that：Including data line, control device；The control device passes through data line Connect a USB-TYPE-A types male connector and a USB plug；It is fenestrate that the control device is located at the band being connect with data line outer surface In the shell of mouth, the control device includes the control circuit board for being equipped with MCU and monitoring circuit with data line electrical connection, described MCU monitoring circuit be equipped with connect with MCU control module, detection module, timer timing module, with liquid crystal display Display module；The battery to be charged that the control module control is connected on USB plug electrically conducting and disconnecting；The detection Detection is by the voltage of the operating current and operating voltage, battery to be charged of data line when module is powered, and by each electric current and electricity The information of pressure feeds back to control module；The timer timing module starts timing when battery to be charged electrically conducts；It is described The liquid crystal display of display module is in the window of the shell and shows the timing of timer timing module, passes through number According to the operating voltage and operating current of line, the voltage and charged state of battery to be charged.

2. intelligent USB data line according to claim 1, it is characterised in that：The timer timing module is integrated with MCU In timing module.

3. intelligent USB data line according to claim 1, it is characterised in that：What the liquid crystal display was shown need to be filled The electricity percentage of battery, the charge capacity for flowing to battery to be charged.

4. intelligent USB data line according to claim 1, it is characterised in that：The USB plug is micro-B type male connectors.