CN209402575U - Terminal device and complete machine current detecting system - Google Patents
Terminal device and complete machine current detecting system Download PDFInfo
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- CN209402575U CN209402575U CN201920427419.3U CN201920427419U CN209402575U CN 209402575 U CN209402575 U CN 209402575U CN 201920427419 U CN201920427419 U CN 201920427419U CN 209402575 U CN209402575 U CN 209402575U
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Abstract
The disclosure is directed to a kind of terminal device and complete machine current detecting systems, the terminal device includes: wireless charging chip, switch, control circuit and power supply, the first input end wherein switched is connect with current detection module, second input terminal of switch and one end of wireless charging chip connect, the other end and wireless charger of wireless charging chip are wirelessly connected, first output end of switch and one end of control circuit connect, and the other end of control circuit connects to power supply；Wireless charging chip is configured as receiving the first control instruction that wireless charger is sent, and according to the first output end of the first control instruction conducting switch；Control circuit is configured as when the first output end for detecting switch is in the conductive state, disconnect the connection between control circuit and power supply, so that the electric current of current detection module detection control circuit, realizes the detection to complete machine electric current, and avoid multiplexing USB port signal.
Description
Technical Field
The disclosure relates to the technical field of terminals, in particular to a terminal device and a complete machine current detection system.
Background
With the continuous development of intelligent equipment, after the intelligent equipment is assembled into a complete machine, in order to detect the quality of the intelligent equipment and daily detect the intelligent equipment, the current of the complete machine needs to be tested under the condition that the intelligent equipment is not disassembled.
In the related art, the internal circuit of the control terminal switches the power supply mainly by multiplexing signals through a Universal Serial Bus (USB) port, so as to complete the current test of the whole device.
Disclosure of Invention
The embodiment of the disclosure provides a terminal device and a complete machine current detection system. The technical scheme is as follows:
according to a first aspect of the embodiments of the present disclosure, there is provided a terminal device, including:
the wireless charging device comprises a wireless charging chip, a switch, a control circuit and a power supply; the first input end of the switch is connected with the current detection module, the second input end of the switch is connected with one end of the wireless charging chip, the other end of the wireless charging chip is wirelessly connected with the wireless charger, the first output end of the switch is connected with one end of the control circuit, and the other end of the control circuit is connected with the power supply; the wireless charging chip is configured to receive a first control instruction sent by the wireless charger and conduct a first output end of the switch according to the first control instruction; the control circuit is configured to disconnect the control circuit from the power supply when detecting that the first output terminal of the switch is in a conducting state, so that the current detection module detects the current of the control circuit.
In the disclosure, the current detection module detects the current of the control circuit through the connection between the first output end of the wireless charging chip control switch and the control circuit, so that the detection of the whole current is realized, and the conflict with part of USB functions is avoided because signals are not multiplexed with the USB port.
Optionally, the terminal device provided by the present disclosure further includes:
the second output end of the switch is connected with one end of the control circuit; the control circuit is further configured to disconnect the second output of the switch from the control circuit upon detecting that the first output of the switch is in the on state.
In the disclosure, the second output end of the switch is connected with one end of the control circuit, and when the first output end of the switch is in a conducting state, the second output end of the switch is disconnected from the control circuit, so that power is supplied to the control circuit through the first output end of the switch.
Optionally, the terminal device provided by the present disclosure further includes:
the wireless charging chip is also configured to receive a second control instruction sent by the wireless charger and disconnect the first output end of the switch according to the second control instruction; the control circuit is further configured to, upon detecting that the first output of the switch is in the off state, turn on the connection of the second output of the switch to the control circuit to cause the current detection module to charge the power supply.
In the disclosure, when the wireless charging chip receives the second control instruction, the first output end of the switch is disconnected and the connection between the second output end and the control circuit is conducted, so that the current detection module charges the power supply when the current detection of the whole machine is not performed.
Optionally, the terminal device provided by the present disclosure includes:
the voltage output by the first output end of the switch is equal to the power supply voltage provided by the power supply for the control circuit.
According to the current detection circuit, the voltage output by the first output end of the switch is equal to the power supply voltage provided by the power supply for the control circuit, so that the current detection value of the whole machine is consistent with the actual working current of the whole machine, and the accuracy of the current detection of the whole machine is improved.
Optionally, the terminal device provided by the present disclosure includes:
the switch is a chip, a second input end of the switch comprises a first pin and a second pin, one end of the wireless charging chip comprises a third pin and a fourth pin, the first pin is connected with the third pin, and the second pin is connected with the fourth pin; the wireless charging chip outputs a first control instruction to the first pin through the third pin, and outputs a second control instruction to the second pin through the fourth pin.
In the scheme, the first control instruction is output to the first pin through the third pin of the wireless charging chip, the second control instruction is output to the second pin through the fourth pin of the wireless charging chip, and on-off control between the first output end of the switch and the control circuit and on-off control between the second output end of the switch and the control circuit are achieved.
Optionally, the first control instruction is a high level signal, and the second control instruction is a low level signal; or the first control command is a low level signal, and the second control command is a high level signal.
In the scheme, the first control instruction and the second control instruction are different level signals, so that the on-off control between the first output end of the switch and the control circuit is realized.
Hereinafter, a system for detecting a current of a complete machine will be provided, and the content and effect of the system can refer to a terminal device part, which will not be described in detail below.
According to a second aspect of the embodiments of the present disclosure, there is provided a complete machine current detection system, including:
the device comprises a current detection module, an upper computer, a wireless charger, a wireless charging chip, a switch, a control circuit and a power supply; the first input end of the switch is connected with the current detection module, the second input end of the switch is connected with one end of the wireless charging chip, the other end of the wireless charging chip is wirelessly connected with the wireless charger, the first output end of the switch is connected with one end of the control circuit, and the other end of the control circuit is connected with the power supply; the wireless charger is configured to receive a first control instruction sent by the upper computer and send the first control instruction to the wireless charging chip; the wireless charging chip is configured to turn on a first output end of the switch according to a first control instruction; the control circuit is configured to disconnect the control circuit from the power supply when detecting that the first output terminal of the switch is in a conducting state, so that the current detection module detects the current of the control circuit.
Optionally, the complete machine current detection system that this disclosure provided still includes:
the second output end of the switch is connected with one end of the control circuit; the control circuit is further configured to disconnect the second output of the switch from the control circuit upon detecting that the first output of the switch is in the on state.
Optionally, the complete machine current detection system that this disclosure provided still includes:
the wireless charger is configured to receive a second control instruction sent by the upper computer and send the second control instruction to the wireless charging chip; the wireless charging chip is also configured to open the first output of the switch according to a second control instruction; the control circuit is further configured to, upon detecting that the first output of the switch is in the off state, turn on the connection of the second output of the switch to the control circuit to cause the current detection module to charge the power supply.
Optionally, the complete machine current detection system that this disclosure provided includes:
the voltage output by the first output end of the switch is equal to the power supply voltage provided by the power supply for the control circuit.
Optionally, the complete machine current detection system that this disclosure provided includes:
the switch is a chip, a second input end of the switch comprises a first pin and a second pin, one end of the wireless charging chip comprises a third pin and a fourth pin, the first pin is connected with the third pin, and the second pin is connected with the fourth pin; the wireless charging chip outputs a first control instruction to the first pin through the third pin, and outputs a second control instruction to the second pin through the fourth pin.
Optionally, the first control instruction is a high level signal, and the second control instruction is a low level signal; or the first control command is a low level signal, and the second control command is a high level signal.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:
the first output end of the wireless charging chip control switch is connected with the control circuit, so that the current detection module detects the current of the control circuit, and the current of the whole machine is detected.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and, together with the description, are configured to explain the principles of the disclosure.
Fig. 1 is a schematic diagram illustrating the structure of a terminal device 10 according to an exemplary embodiment;
FIGS. 2 and 3 are schematic diagrams of interfaces shown according to an exemplary embodiment;
FIGS. 4 and 5 are schematic diagrams of interfaces shown according to another exemplary embodiment;
fig. 6 is a schematic structural diagram of the terminal device 20 shown according to another exemplary embodiment;
FIG. 7 is a schematic illustration of an interface according to yet another exemplary embodiment;
fig. 8 is a schematic structural diagram of a terminal device 30 shown according to yet another exemplary embodiment;
FIG. 9 is a schematic diagram of a complete machine current sensing system according to an exemplary embodiment;
FIG. 10 is a schematic diagram of a complete machine current sensing system according to another exemplary embodiment;
fig. 11 is a schematic structural diagram of a complete machine current detection system according to still another exemplary embodiment.
Description of reference numerals:
1-a wireless charging chip;
2-a switch;
p1 — a first input of the switch;
p2 — a second input of the switch;
q1-a first output of the switch;
q2-a second output of the switch;
3-a control circuit;
4-a power supply;
5-a current detection module;
6-a wireless charger;
7-an upper computer;
m1 — first pin;
m2 — second pin;
n1-third pin;
n2-fourth pin.
With the foregoing drawings in mind, certain embodiments of the disclosure have been shown and described in more detail below. These drawings and written description are not intended to limit the scope of the disclosed concepts in any way, but rather to illustrate the concepts of the disclosure to those skilled in the art by reference to specific embodiments.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
With the continuous development of intelligent equipment, after the intelligent equipment is assembled into a complete machine, in order to detect the quality of the intelligent equipment and daily detect the intelligent equipment, the current of the complete machine needs to be tested under the condition that the intelligent equipment is not disassembled. In the related technology, the internal circuit of the control terminal switches the power supply mainly through the multiplexing signal of the USB port, and the current test of the whole machine is completed. In order to realize the test of the current of the whole machine and avoid the conflict with part of USB functions, the disclosure provides a terminal device and a current detection system of the whole machine.
Hereinafter, an exemplary application scenario of the embodiment of the present disclosure is described.
In the processes of factory leaving, daily detection, maintenance and the like of the intelligent equipment, current detection on the intelligent equipment is required to be carried out in the state that the intelligent equipment is not disassembled, so that whether a control circuit of the intelligent equipment is normal or not, the working state of the intelligent equipment, fault points of the intelligent equipment and the like are detected, and based on the current detection system, the current detection system for the terminal equipment and the whole intelligent equipment is provided.
Fig. 1 is a schematic block diagram illustrating a terminal device 10, which may be a mobile phone, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, etc., according to an exemplary embodiment. As shown in fig. 1, the terminal device 10 provided by the present disclosure may include:
the wireless charging device comprises a wireless charging chip 1, a switch 2, a control circuit 3 and a power supply 4; a first input end P1 of the switch is connected with the current detection module, a second input end P2 of the switch is connected with one end of the wireless charging chip 1, the other end of the wireless charging chip 1 is wirelessly connected with the wireless charger, a first output end Q1 of the switch is connected with one end of the control circuit 3, and the other end of the control circuit 3 is connected with the power supply 4; the wireless charging chip 1 is configured to receive a first control instruction sent by the wireless charger and turn on the first output end Q1 of the switch according to the first control instruction; the control circuit 3 is configured to disconnect the control circuit 3 from the power supply 4 when detecting that the first output Q1 of the switch is in the on state, so that the current detection module detects the current of the control circuit 3.
The control circuit 3 is a working circuit in the terminal device, and the control circuit 3 can provide electric energy for normal operation of each working unit (processor, radio frequency device, camera module, etc.) in the terminal device, and can realize control of the circuit in the terminal device. The embodiment of the present invention does not limit the specific structure, type, etc. of the control circuit 3, as long as the current in the control circuit can be detected. In one possible implementation, the control circuit may be a Power Management Integrated Circuit (PMIC) in the terminal device, where the PMIC integrates Power Management, system control, battery Management, interface and audio functions, and other system-specific functions, providing optimal integration for various devices. The PMIC can provide power supplies with multiple grades and different voltages required by a main chip of the terminal equipment, and the power supplies with the same voltage are supplied to different working units, an image processor, a radio frequency device, a camera module and the like in the terminal equipment, so that the working units can work normally.
One end of the control circuit 3 is connected with the first output end Q1 of the switch, the other end of the control circuit 3 is connected with the power supply 4, during the normal use of the terminal device, the power supply 4 provides voltage for the control circuit 3, and during the current detection of the whole machine, one end of the control circuit 3 is conducted with the first output end Q1 of the switch, and the connection between the control circuit 3 and the power supply 4 is disconnected, so that the current detection module provides voltage for the control circuit 3 through the first output end Q1 of the switch. The current detection module is connected to the control circuit 3 through the first input terminal P1 of the switch and the first output terminal Q1 of the switch, and the current detection module can provide voltage for the control circuit 3 and can detect current in the control circuit 3. The embodiment of the present disclosure does not limit the structure, type, and the like of the current detection module, as long as it can provide voltage for the control circuit and detect current in the control circuit, in a possible implementation manner, the current detection module may be a Universal Serial Bus (USB) clamp, the USB clamp is connected to the first input terminal P1 of the switch in the terminal device through the USB interface of the terminal device, and can provide voltage for the control circuit 3 through the first input terminal, and can detect current in the control circuit 3, so as to detect current in the whole device.
When the current detection module is connected with the terminal device, the terminal device provided by the present disclosure may further prompt whether the current detection module is successfully connected with the terminal device, and in a possible implementation manner, fig. 2 and 3 are schematic diagrams of interfaces shown according to an exemplary embodiment, taking the terminal device as a mobile phone as an example, as shown in fig. 2, when the current detection module is successfully connected with the terminal device, the terminal interface may prompt that the terminal device is successfully connected with the current detection module by displaying "the current detection device is successfully connected". As shown in fig. 3, when the current detection module attempts to connect to the terminal device but does not connect successfully, the terminal interface may display "the current detection device fails to connect" to prompt the terminal device to fail to connect to the current detection module. The embodiment of the invention does not limit the form of prompting the connection state of the terminal equipment and the current detection module.
After the current detection module is successfully connected with the terminal device, the current detection module may output different voltages through the first output terminal Q1 of the switch according to the voltage requirement of the control circuit 3.
Because the voltage that the current detection module passes through the first output end Q1 output of switch is equal to the supply voltage that control circuit 3 provided by power 4, and control circuit 3 is when detecting that first output end Q1 of switch is in the conducting state, disconnection between control circuit 3 and the power 4, therefore, the current detection module provides the same voltage for control circuit 3 and power 4 provides for control circuit, be equivalent to that current detection module replaces power 4 to supply power for control circuit 3, then detect the operating current of control circuit 3 through current detection module, can be with the operating current of detection control circuit 3 when normal work, realized the detection to the complete machine electric current.
According to the above description, when the first output terminal Q1 of the switch is connected to the control circuit 3, the current detecting module can detect the current in the control circuit 3, and whether the first output terminal Q1 of the switch is connected or not can be controlled by the wireless charger and the wireless charging chip 1. Illustratively, the second input end P2 of the switch is connected with one end of the wireless charging chip 1, the other end of the wireless charging chip 1 is wirelessly connected with the wireless charger, and a first control instruction is sent to the wireless charging chip 1 through the wireless charger, wherein the wireless charger can be controlled by the host computer to send the first control instruction to the charging chip, and the wireless charging chip 1 turns on the first output end Q1 of the switch according to the first control instruction. When the first output end Q1 of the switch is turned on, the control circuit 3 is disconnected from the power supply 4, so that the current detection module supplies power to the control circuit 3 and detects the current in the control circuit 3.
When the first output terminal Q1 of the switch is connected to the control circuit 3, and the current detection module supplies power to the control circuit 3 and detects the current in the control circuit 3, in order to display the working state of the current detection module, fig. 4 and 5 are schematic diagrams of interfaces shown according to another exemplary embodiment, taking a terminal device as a mobile phone as an example, when the wireless charging chip 1 connects the first output terminal Q1 of the switch according to the first control instruction, the current detection module supplies power to the control circuit 3 and detects the current in the control circuit 3, at this time, the terminal interface can display the working state of the current detection module to prompt that current detection is being performed, as shown in fig. 4, the terminal interface can display "the current of the whole machine is being detected", when the current detection in the control circuit 3 is completed, the current value of the whole machine can be displayed on the terminal interface, and the current value can also be displayed in the current detection module, or simultaneously displaying the current value of the whole machine in the terminal interface and the current detection module, as shown in fig. 5, displaying the current value of the whole machine in the terminal interface, for example, displaying "the current value of the whole machine is mA". The embodiment of the invention does not limit the specific display form and the character expression of the terminal interface.
In summary, the terminal device provided in this embodiment receives the first control instruction sent by the wireless charger through the wireless charging chip, and turns on the first output terminal of the switch according to the first control instruction, and the control circuit turns off the connection between the control circuit and the power supply when detecting that the first output terminal of the switch is in a turned-on state, so that the current detection module detects the current of the control circuit, and controls the power supply switching in the terminal device through the wireless charging chip, thereby avoiding multiplexing USB port signals, and realizing the detection of the current of the whole device.
Example two
Alternatively, on the basis of the first embodiment, fig. 6 is a schematic structural diagram of a terminal device 20 according to another exemplary embodiment, where the terminal device may be a mobile phone, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, an exercise device, a personal digital assistant, and the like. As shown in fig. 6, the terminal device 20 provided by the present disclosure further includes:
a second output end Q2 of the switch is connected with one end of the control circuit 3; the control circuit 3 is further configured to disconnect the second output Q2 of the switch from the control circuit 3 upon detecting that the first output Q1 of the switch is in the on-state.
The switch in the current detection device provided by the present disclosure may further include a second output end, the second output end Q2 of the switch is connected with one end of the control circuit 3, the output voltage values of the first output end Q1 of the switch and the second output end Q2 of the switch may be different, the current detection module is connected with the control circuit 3 through the first output end Q1 of the switch, so as to supply power to the control circuit 3, and optionally, the voltage output by the first output end Q1 of the switch is equal to the voltage output by the power supply 4. And the current detection module is connected with the control circuit 3 through the second output end Q2 of the switch, and is used for charging the power supply 4 through the control circuit 3, optionally, the output voltage of the second output end Q2 of the switch is the voltage for charging the power supply 4, and can be greater than the voltage output by the power supply 4.
The current detection module may be configured to detect a current in the control circuit or charge the power supply, but the two are not performed simultaneously, so when the first output Q1 of the switch is in the on state, the second output Q2 of the switch is in the off state, in order to disconnect the second output Q2 of the switch when the first output Q1 of the switch is in the on state, when the control circuit 3 detects that the first output Q1 of the switch is in the on state, the second output Q2 of the switch is disconnected from the control circuit 3, and when the first output Q1 is controlled to be in the on state by the first control instruction, the second output Q2 of the switch is simultaneously controlled to be in the off state, so that the current detection module detects the current in the control circuit 3. After the current detection in the control circuit 3 is completed, the connection between the first output end Q1 of the switch can be turned on by controlling to disconnect the connection between the first output end Q2 of the switch and the control circuit 3, so that the current detection module charges the control circuit 3, optionally, in order to realize that the current detection module charges the control circuit 3, the terminal device provided by the present disclosure further includes:
the wireless charging chip 1 is also configured to receive a second control instruction sent by the wireless charger, and to turn off the first output Q1 of the switch according to the second control instruction; the control circuit 3 is further configured to switch on the connection of the second output Q2 of the switch to the control circuit 3 to cause the current detection module to charge the power supply 4 when the first output Q1 of the switch is detected to be in the off state.
The wireless charger is controlled by the upper computer to send a second control instruction to the wireless charging chip 1, the second control instruction is used for disconnecting the connection between the first output end Q1 of the switch and the control circuit 3, and the wireless charging chip 1 receives the second control instruction sent by the wireless charger and disconnects the connection between the first output end Q1 of the switch and the control circuit 3 according to the second control instruction. In order to charge the control circuit 3 with the current detection module, it is further required to turn on the connection between the second output terminal Q2 of the switch and the control circuit, and turn on the connection between the control circuit 3 and the power source 4, in a possible embodiment, the connection between the second output terminal Q2 of the switch and the control circuit 3 may be turned on by a second control command, and when the control circuit 3 detects that the second output terminal Q2 of the switch is turned on, the connection between the control circuit 3 and the power source 4 is turned on, so that the current detection module charges the control circuit 3. In another possible implementation, when detecting that the first output Q1 of the switch is in the off state, the control circuit 3 may turn on the connection between the second output Q2 of the switch and the control circuit 3 and turn on the connection between the control circuit 3 and the power supply 4, so that the current detection module charges the power supply 4.
When the current detection module charges the power supply 4, in a possible implementation, the terminal device may prompt the user that the terminal device is charging through a prompt message. Fig. 7 is a schematic interface diagram according to yet another exemplary embodiment, as shown in fig. 7, when the current detection module charges the power supply 4, the terminal interface displays "charging" to prompt the user that the terminal device is charging, and the form and content of the prompt information of the terminal interface are not limited in the embodiment of the present invention.
In summary, the terminal device provided in this embodiment disconnects the first output terminal of the switch and connects the second output terminal of the switch to the control circuit when the wireless charging chip receives the second control instruction, so that the current detection module charges the power supply when the current detection of the whole device is not performed.
EXAMPLE III
On the basis of the first embodiment and the second embodiment, in order to realize the on-off control of the first output terminal of the switch and the second output terminal of the switch by the control command, fig. 8 is a schematic structural diagram of a terminal device 30 according to yet another exemplary embodiment, wherein the terminal device may be a mobile phone, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, or the like. As shown in fig. 8, the terminal device 30 provided in the embodiment of the present disclosure may further include:
the switch 2 is a chip, a second input end P2 of the switch includes a first pin M1 and a second pin M2, one end of the wireless charging chip 1 includes a third pin N1 and a fourth pin N2, the first pin M1 is connected with the third pin N1, and the second pin M2 is connected with the fourth pin N2; the wireless charging chip 1 outputs a first control command to the first pin M1 through the third pin N1, and the wireless charging chip 1 outputs a second control command to the second pin M2 through the fourth pin N2.
Alternatively, the first control command and the second control command may be level signals, when the first control command is a high level signal, the first output terminal Q1 of the switch is turned on, and the second output terminal Q2 of the switch is turned off, and when the second control command is a high level signal, the first output terminal Q1 of the switch is turned off, and the second output terminal Q2 of the switch is turned on. The wireless charging chip 1 outputs a first control instruction to the first pin M1 through the third pin N1, so that the first output end Q1 of the control switch is turned on, and the second output end Q2 of the switch is turned off; the wireless charging chip 1 outputs a second control command to the second pin M2 through the fourth pin N2, so that the first output end Q1 of the control switch is disconnected, and the second output end Q2 of the switch is connected, optionally, the first control command is a high level signal, and the second control command is a low level signal; or the first control command is a low level signal, and the second control command is a high level signal.
When the first control command is a high level signal and the second control command is a low level signal, the first output end Q1 of the switch is turned on, the second output end Q2 of the switch is turned off, so that the current detection module supplies power to the control circuit 3 and detects current in the control circuit 3, when the first control command is a low level signal and the second control command is a high level signal, the port of the first output end Q1 of the switch is turned off, the port of the second output end Q2 of the switch is turned on, and the current detection module is enabled to charge the power supply 4.
To sum up, in the embodiment of the present disclosure, the first control instruction is output to the first pin through the third pin of the wireless charging chip, and the second control instruction is output to the second pin through the fourth pin of the wireless charging chip, so that on/off control between the first output end and the control circuit of the switch and on/off control between the second output end and the control circuit are realized.
The following provides a complete machine current detection system for the present disclosure, and the content and effect thereof can refer to the apparatus part, which is not limited by the embodiments of the present disclosure.
Example four
The disclosed embodiment provides a whole machine current detection system, fig. 9 is a schematic structural diagram of a whole machine current detection system according to an exemplary embodiment, the system is applied to current detection of a terminal device, the terminal device may be a mobile phone, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, and the like, and as shown in fig. 9, the whole machine current detection system provided by the present disclosure may include:
the device comprises a current detection module 5, an upper computer 7, a wireless charger 6, a wireless charging chip 1, a switch 2, a control circuit 3 and a power supply 4; a first input end P1 of the switch is connected with the current detection module 5, a second input end P2 of the switch is connected with one end of the wireless charging chip 1, the other end of the wireless charging chip 1 is wirelessly connected with the wireless charger 6, a first output end Q1 of the switch is connected with one end of the control circuit 3, and the other end of the control circuit 3 is connected with the power supply 4; the wireless charger 6 is configured to receive a first control instruction sent by the upper computer 7 and send the first control instruction to the wireless charging chip 1; the wireless charging chip 1 is configured to turn on the first output Q1 of the switch according to a first control instruction; the control circuit 3 is configured to disconnect the control circuit 3 from the power supply 4 when detecting that the first output Q1 of the switch is in the on state, so that the current detection module 5 detects the current of the control circuit 3.
Optionally, the complete machine current detection system that this disclosure provided includes:
the voltage output by the first output Q1 of the switch is equal to the supply voltage supplied by the power supply 4 to the control circuit 3.
For details and effects not disclosed in the above embodiments, please refer to embodiments in the terminal device, which are not described again.
EXAMPLE five
On the basis of the above embodiment, fig. 10 is a schematic structural diagram of a complete machine current detection system according to another exemplary embodiment, the system is applied to current detection of a terminal device, the terminal device may be a mobile phone, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, and the like, and as shown in fig. 10, the complete machine current detection system provided by the present disclosure may include:
a second output end Q2 of the switch is connected with one end of the control circuit 3; the control circuit 3 is further configured to disconnect the second output Q2 of the switch from the control circuit 3 upon detecting that the first output Q1 of the switch is in the on-state.
Optionally, the complete machine current detection system that this disclosure provided still includes:
the wireless charger 6 is configured to receive a second control instruction sent by the upper computer 7 and send the second control instruction to the wireless charging chip 1; the wireless charging chip 1 is further configured to open the first output Q1 of the switch according to a second control instruction; the control circuit 3 is further configured to switch on the connection of the second output Q2 of the switch to the control circuit 3 to cause the current detection module 5 to charge the power supply 4 when the first output Q1 of the switch is detected to be in the off state.
For details and effects not disclosed in the above embodiments, please refer to embodiments in the terminal device, which are not described again.
EXAMPLE six
On the basis of the above embodiments, fig. 11 is a schematic structural diagram of a complete machine current detection system according to still another exemplary embodiment, the system is applied to current detection of a terminal device, the terminal device may be a mobile phone, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, and the like, and as shown in fig. 11, the complete machine current detection system provided by the present disclosure may include:
the switch 2 is a chip, a second input end P2 of the switch includes a first pin M1 and a second pin M2, one end of the wireless charging chip 1 includes a third pin N1 and a fourth pin N2, the first pin M1 is connected with the third pin N1, and the second pin M2 is connected with the fourth pin N2; the wireless charging chip 1 outputs a first control command to the first pin M1 through the third pin N1, and the wireless charging chip 1 outputs a second control command to the second pin M2 through the fourth pin N2.
Optionally, the first control instruction is a high level signal, and the second control instruction is a low level signal; or the first control command is a low level signal, and the second control command is a high level signal.
For details and effects not disclosed in the above embodiments, please refer to embodiments in the terminal device, which are not described again.
In summary, the upper computer controls the wireless charger to send the control instruction, so that the current detection module detects the current of the terminal device.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (12)
1. The terminal equipment is characterized by comprising a wireless charging chip, a switch, a control circuit and a power supply;
the first input end of the switch is connected with the current detection module, the second input end of the switch is connected with one end of the wireless charging chip, the other end of the wireless charging chip is wirelessly connected with a wireless charger, the first output end of the switch is connected with one end of the control circuit, and the other end of the control circuit is connected with the power supply;
the wireless charging chip is configured to receive a first control instruction sent by the wireless charger and conduct a first output end of the switch according to the first control instruction;
the control circuit is configured to disconnect the control circuit from the power supply when the first output end of the switch is detected to be in a conducting state, so that the current detection module detects the current of the control circuit.
2. The terminal device according to claim 1, further comprising:
the second output end of the switch is connected with one end of the control circuit;
the control circuit is further configured to disconnect the second output of the switch from the control circuit upon detecting that the first output of the switch is in the on state.
3. The terminal device according to claim 2, further comprising:
the wireless charging chip is also configured to receive a second control instruction sent by the wireless charger and disconnect the first output end of the switch according to the second control instruction;
the control circuit is further configured to, upon detecting that the first output terminal of the switch is in an off state, turn on the connection of the second output terminal of the switch with the control circuit to cause the current detection module to charge the power supply.
4. A terminal device according to any of claims 1-3, characterized in that it comprises:
the voltage output by the first output end of the switch is equal to the power supply voltage provided by the power supply for the control circuit.
5. The terminal device according to claim 3, comprising:
the switch is a chip, a second input end of the switch comprises a first pin and a second pin, one end of the wireless charging chip comprises a third pin and a fourth pin, the first pin is connected with the third pin, and the second pin is connected with the fourth pin;
the wireless charging chip outputs the first control instruction to the first pin through the third pin, and the wireless charging chip outputs the second control instruction to the second pin through the fourth pin.
6. The terminal device according to claim 5, wherein the first control instruction is a high level signal, and the second control instruction is a low level signal;
or,
the first control instruction is a low level signal, and the second control instruction is a high level signal.
7. The whole machine current detection system is characterized by comprising a current detection module, an upper computer, a wireless charger, a wireless charging chip, a switch, a control circuit and a power supply;
the first input end of the switch is connected with the current detection module, the second input end of the switch is connected with one end of the wireless charging chip, the other end of the wireless charging chip is wirelessly connected with the wireless charger, the first output end of the switch is connected with one end of the control circuit, and the other end of the control circuit is connected with the power supply;
the wireless charger is configured to receive a first control instruction sent by the upper computer and send the first control instruction to the wireless charging chip;
the wireless charging chip is configured to turn on a first output end of the switch according to the first control instruction;
the control circuit is configured to disconnect the control circuit from the power supply when the first output end of the switch is detected to be in a conducting state, so that the current detection module detects the current of the control circuit.
8. The system of claim 7, further comprising:
the second output end of the switch is connected with one end of the control circuit;
the control circuit is further configured to disconnect the second output of the switch from the control circuit upon detecting that the first output of the switch is in the on state.
9. The system of claim 8, further comprising:
the wireless charger is configured to receive a second control instruction sent by the upper computer and send the second control instruction to the wireless charging chip;
the wireless charging chip is further configured to turn off the first output of the switch according to the second control instruction;
the control circuit is further configured to, upon detecting that the first output terminal of the switch is in an off state, turn on the connection of the second output terminal of the switch with the control circuit to cause the current detection module to charge the power supply.
10. The system according to any one of claims 7-9, comprising:
the voltage output by the first output end of the switch is equal to the power supply voltage provided by the power supply for the control circuit.
11. The system of claim 9, comprising:
the switch is a chip, a second input end of the switch comprises a first pin and a second pin, one end of the wireless charging chip comprises a third pin and a fourth pin, the first pin is connected with the third pin, and the second pin is connected with the fourth pin;
the wireless charging chip outputs the first control instruction to the first pin through the third pin, and the wireless charging chip outputs the second control instruction to the second pin through the fourth pin.
12. The system of claim 11, wherein the first control command is a high signal and the second control command is a low signal;
or,
the first control instruction is a low level signal, and the second control instruction is a high level signal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920427419.3U CN209402575U (en) | 2019-04-01 | 2019-04-01 | Terminal device and complete machine current detecting system |
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| CN201920427419.3U CN209402575U (en) | 2019-04-01 | 2019-04-01 | Terminal device and complete machine current detecting system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021052188A1 (en) * | 2019-09-18 | 2021-03-25 | 华为技术有限公司 | Rectifier chip and terminal device |
| CN114089066A (en) * | 2021-11-17 | 2022-02-25 | 维沃移动通信有限公司 | Test circuit, electronic device and test method |
-
2019
- 2019-04-01 CN CN201920427419.3U patent/CN209402575U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021052188A1 (en) * | 2019-09-18 | 2021-03-25 | 华为技术有限公司 | Rectifier chip and terminal device |
| CN114089066A (en) * | 2021-11-17 | 2022-02-25 | 维沃移动通信有限公司 | Test circuit, electronic device and test method |
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