CN107870279B - Mobile terminal and fault detection device thereof - Google Patents
Mobile terminal and fault detection device thereof Download PDFInfo
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- CN107870279B CN107870279B CN201610850733.3A CN201610850733A CN107870279B CN 107870279 B CN107870279 B CN 107870279B CN 201610850733 A CN201610850733 A CN 201610850733A CN 107870279 B CN107870279 B CN 107870279B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
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Abstract
The invention provides a fault detection device of a mobile terminal, wherein the mobile terminal comprises a plurality of sub-function modules and a power supply module for supplying power to the sub-function modules, and the fault detection device of the mobile terminal comprises: each sub-function module is electrically connected with the power supply module through a fault detection circuit, and each fault detection circuit feeds back a fault detection signal to the main control module when detecting that the sub-function module electrically connected with the fault detection circuit has a short-circuit fault; the main control module is respectively electrically connected with each fault detection circuit and is used for generating a control instruction according to a fault detection signal fed back by any fault detection circuit and outputting the control instruction; and the alarm module is connected to the main control module and used for carrying out alarm prompt according to the received control instruction. According to the technical scheme of the invention, the fault point can be accurately known without disassembling the machine, so that a user can conveniently know the fault condition in time, and the maintenance efficiency of related maintenance personnel can be improved.
Description
Technical Field
The invention relates to the technical field of mobile terminals, in particular to a fault detection device of a mobile terminal and the mobile terminal.
Background
At present, a mobile terminal cannot automatically detect whether each sub-function module in the mobile terminal fails, once any sub-function module has a short-circuit fault, the fault of the sub-function module may affect the stability of an intelligent terminal system, even result in the abnormal work of the intelligent terminal system, and a specific fault point can be determined generally by disassembling the mobile terminal.
Disclosure of Invention
The invention provides a novel fault detection device of a mobile terminal based on at least one of the technical problems, which can detect whether each sub-function module in the mobile terminal has a fault module and carry out corresponding fault alarm prompt, can accurately acquire a fault point without disassembling the mobile terminal, is convenient for a user to know the fault condition of the mobile terminal in time, and is also beneficial to improving the maintenance efficiency of related maintenance personnel.
In view of this, the present invention provides a fault detection apparatus for a mobile terminal, where the mobile terminal includes a plurality of sub-function modules and a power supply module configured to supply power to the plurality of sub-function modules, and the fault detection apparatus for the mobile terminal includes: each sub-function module is electrically connected with the power supply module through one fault detection circuit, and each fault detection circuit feeds back a fault detection signal to the main control module when detecting that the sub-function module electrically connected with the fault detection circuit has a short-circuit fault; the master control module is respectively electrically connected with each fault detection circuit and is used for generating a control instruction according to a received fault detection signal fed back by any fault detection circuit and outputting the control instruction; and the alarm module is connected to the main control module and used for carrying out alarm prompt according to the received control command.
In the technical scheme, each sub-function module is electrically connected with the power supply module through a fault detection circuit, each fault detection circuit feeds back a fault detection signal to the main control module when detecting that the sub-function module electrically connected with the fault detection circuit has a short-circuit fault, the main control module controls the alarm module to give an alarm according to the fault detection signal, the mobile terminal does not need to be dismounted, the fault point can be accurately known, a user can know the fault condition of the mobile terminal in time, and the maintenance efficiency of related maintenance personnel is improved.
In the above technical solution, preferably, each of the fault detection circuits cuts off the connection between the sub-function module electrically connected thereto and the power supply module when detecting that a short-circuit fault occurs in the sub-function module electrically connected thereto.
In the technical scheme, when each fault detection circuit detects that the sub-function module electrically connected with the fault detection circuit has a short-circuit fault, the fault detection circuit cuts off the connection between the sub-function module and the power supply module so as to isolate the sub-function module and avoid the influence of the sub-function module on the power supply module, so that the power supply module can continue to supply power to other sub-function modules, and the other sub-function modules can continue to work.
In any one of the above technical solutions, preferably, each of the fault detection circuits includes: a fusible device connected in series in a power supply loop between each of the sub-functional modules and the power supply module; wherein the fusible device fuses when a current flowing through the fusible device is greater than or equal to a target threshold.
In the technical scheme, the fusible device is connected in series in the power supply loop between each sub-function module and the power supply module, so that once a short-circuit fault occurs in a certain sub-function module, the fusible device can be fused, the power supply loop between the sub-function module and the power supply module is in an open circuit state, and the connection between the sub-function module and the power supply module is cut off, wherein the target threshold value can be the maximum current supplied to the sub-function module by the power supply module, preferably, a fuse is selected as the fusible device, and of course, other current fusing-based components can be selected as the fusible device according to needs.
In any one of the above technical solutions, preferably, each of the fault detection circuits further includes: and the circuit breaking detection circuit is respectively connected to the fusible device and the main control module and is used for feeding back the fault detection signal to the main control module when the fusible device is detected to be fused.
In the technical scheme, once the circuit breaking detection circuit detects that the fusible device is fused, a fault detection signal is fed back to the main control module, and the main control module can determine which sub-function module fails according to the fault detection signal.
In any one of the above technical solutions, preferably, the alarm module includes a display module, and the main control module controls the display module to perform alarm prompting in a text-text manner.
In the technical scheme, the display module can be used for alarming and prompting in a picture and text mode, and a user can directly view the alarm, so that the alarm is simple and clear.
In any one of the above technical solutions, preferably, the display module includes a display screen.
In any one of the above technical solutions, preferably, the alarm module includes a voice module, and the main control module controls the voice module to perform alarm prompt in a voice manner.
In the technical scheme, the alarm prompt can be performed in a voice mode through the voice module, so that prompt information can be obtained in time no matter whether a user is looking at the mobile terminal or not.
In any one of the above technical solutions, preferably, the voice module includes a speaker.
According to a second aspect of the present invention, there is provided a mobile terminal comprising: the fault detection device of the mobile terminal according to any one of the above technical solutions.
Through the technical scheme, whether each sub-function module breaks down in the mobile terminal can be detected, corresponding fault alarm prompt is carried out, the mobile terminal does not need to be dismantled, fault points can be accurately obtained, the sub-function module which breaks down in a short circuit can be isolated, influence on the power supply module is avoided, the power supply module can continue to supply power for other sub-function modules, and the other sub-function modules can continue to work.
Drawings
Fig. 1 illustrates a schematic configuration diagram of a fault detection apparatus of a mobile terminal according to an embodiment of the present invention;
FIG. 2 shows a schematic diagram of a fault detection circuit according to an embodiment of the invention;
fig. 3 shows a schematic block diagram of a mobile terminal according to an embodiment of the invention.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The technical solution of the present invention is further explained with reference to fig. 1 and fig. 2.
As shown in fig. 1, a fault detection apparatus 100 of a mobile terminal according to an embodiment of the present invention includes a plurality of sub-function modules 104 and a power supply module 106 for supplying power to the plurality of sub-function modules, and the fault detection apparatus 100 of the mobile terminal includes:
a plurality of fault detection circuits 102, wherein each of the sub-function modules 104 is electrically connected to the power supply module 106 through one of the fault detection circuits 102, and each of the fault detection circuits 102 feeds back a fault detection signal to the main control module 108 when detecting that a short-circuit fault occurs in the sub-function module electrically connected thereto; the main control module 108 is electrically connected to each of the fault detection circuits 102, and the main control module 108 is configured to generate a control instruction according to a fault detection signal received from any one of the fault detection circuits 102 and output the control instruction; and the alarm module 110 is connected to the main control module 108 and is used for carrying out alarm prompt according to the received control command. The plurality of sub-function modules comprise a radio frequency function module, a distance sensor function module, a fingerprint identification function module and the like.
In the technical scheme, each sub-function module is electrically connected with the power supply module through a fault detection circuit, each fault detection circuit feeds back a fault detection signal to the main control module when detecting that the sub-function module electrically connected with the fault detection circuit has a short-circuit fault, the main control module controls the alarm module to give an alarm according to the fault detection signal, the mobile terminal does not need to be dismounted, the fault point can be accurately known, a user can know the fault condition of the mobile terminal in time, and the maintenance efficiency of related maintenance personnel is improved.
In the above technical solution, preferably, each of the fault detection circuits 102 cuts off the connection between the sub-function module 104 electrically connected thereto and the power supply module 106 when detecting that the sub-function module 104 electrically connected thereto has a short-circuit fault.
In the technical scheme, when each fault detection circuit detects that the sub-function module electrically connected with the fault detection circuit has a short-circuit fault, the fault detection circuit cuts off the connection between the sub-function module and the power supply module so as to isolate the sub-function module and avoid the influence of the sub-function module on the power supply module, so that the power supply module can continue to supply power to other sub-function modules, and the other sub-function modules can continue to work.
In any one of the above technical solutions, preferably, each of the fault detection circuits 102 (shown in fig. 2) includes: a fusible device 1022 connected in series in a power supply loop between each of the sub-function modules 104 and the power supply module 106; wherein the fusible device 1022 blows when a current flowing through the fusible device 1022 is greater than or equal to a target threshold.
In the technical scheme, the fusible device is connected in series in the power supply loop between each sub-function module and the power supply module, so that once a short-circuit fault occurs in a certain sub-function module, the fusible device can be fused, the power supply loop between the sub-function module and the power supply module is in an open circuit state, and the connection between the sub-function module and the power supply module is cut off, wherein the target threshold value can be the maximum current supplied to the sub-function module by the power supply module, preferably, a fuse is selected as the fusible device, and of course, other current fusing-based components can be selected as the fusible device according to needs.
In any one of the above technical solutions, preferably, each of the fault detection circuits 102 (shown in fig. 2) further includes: a disconnection detecting circuit 1024, respectively connected to the fusible device 1022 and the master control module 108, configured to feed back the fault detection signal to the master control module 108 when detecting that the fusible device 1022 is blown.
In the technical scheme, once the circuit breaking detection circuit detects that the fusible device is fused, a fault detection signal is fed back to the main control module, and the main control module can determine which sub-function module fails according to the fault detection signal.
In any one of the above technical solutions, preferably, the alarm module 110 includes a display module, and the main control module 108 controls the display module to perform alarm prompting in a graphic mode.
In the technical scheme, the alarm prompt can be performed in a picture and text mode through the display module, and a user can directly view the alarm prompt, so that the alarm prompt is simple and clear.
In any one of the above technical solutions, preferably, the display module includes a display screen.
In any one of the above technical solutions, preferably, the alarm module 110 includes a voice module, and the main control module 108 controls the voice module to perform alarm prompting in a voice manner.
In the technical scheme, the alarm prompt can be performed in a voice mode through the voice module, so that prompt information can be obtained in time no matter whether a user is looking at the mobile terminal or not.
In any one of the above technical solutions, preferably, the voice module includes a speaker.
In the above embodiment, a fault detection circuit is added in series to a power supply loop of each sub-function module of the mobile terminal, the fault detection circuit includes a fuse and a disconnection detection circuit, a fuse fusing current is set to be a maximum current that the power supply module can supply to the sub-function module, when a short circuit of the sub-function module flows through the fuse and exceeds the fusing current, the fuse is fused, the disconnection detection circuit sends an interrupt signal to the main control module when detecting that the fuse is fused, the main control module determines which sub-function module has a short circuit fault according to the received interrupt signal, and controls the alarm module to give an alarm.
Fig. 3 shows a schematic block diagram of a mobile terminal according to an embodiment of the invention.
As shown in fig. 3, the mobile terminal 200 according to an embodiment of the present invention includes: such as the fault detection apparatus 100 of the mobile terminal shown in fig. 1.
The technical scheme of the invention is described in detail in the above with reference to the accompanying drawings, and the technical scheme of the invention provides a novel fault detection device for a mobile terminal, which can detect whether each sub-function module in the mobile terminal has a fault module, and perform corresponding fault alarm prompt, can accurately acquire a fault point without disassembling the mobile terminal, and can also isolate the sub-function module with a short-circuit fault, so as to avoid the influence on a power supply module, so that the power supply module can continue to supply power to other sub-function modules, and further ensure that other sub-function modules can continue to work.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A fault detection device of a mobile terminal, wherein the mobile terminal comprises a plurality of sub-function modules and a power supply module for supplying power to the plurality of sub-function modules, the fault detection device of the mobile terminal comprises:
each sub-function module is electrically connected with the power supply module through one fault detection circuit, and each fault detection circuit feeds back a fault detection signal to the main control module when detecting that the sub-function module electrically connected with the fault detection circuit has a short-circuit fault;
the main control module is electrically connected with each fault detection circuit respectively, and is used for generating a control instruction according to a fault detection signal fed back by any fault detection circuit and outputting the control instruction;
the alarm module is connected to the main control module and used for carrying out alarm prompt according to the received control command;
when each fault detection circuit detects that the sub-function module electrically connected with the fault detection circuit has a short-circuit fault, the fault detection circuit cuts off the connection between the sub-function module electrically connected with the fault detection circuit and the power supply module;
each of the fault detection circuits includes:
a fusible device connected in series in a power supply loop between each of the sub-functional modules and the power supply module;
wherein the fusible device fuses when a current flowing through the fusible device is greater than or equal to a target threshold;
each of the fault detection circuits further includes:
and the circuit breaking detection circuit is respectively connected to the fusible device and the main control module and is used for feeding back the fault detection signal to the main control module when the fusible device is detected to be fused, and the main control module determines the sub-function module with the short-circuit fault according to the fault detection signal.
2. The fault detection device of a mobile terminal according to claim 1, wherein said fusible means comprises a fuse.
3. The device for detecting the fault of the mobile terminal according to claim 1 or 2, wherein the alarm module comprises a display module, and the main control module controls the display module to alarm and prompt in a graphic mode.
4. The apparatus of claim 3, wherein the display module comprises a display screen.
5. The device according to claim 1 or 2, wherein the alarm module comprises a voice module, and the main control module controls the voice module to perform alarm prompt in a voice manner.
6. The apparatus of claim 5, wherein the voice module comprises a speaker.
7. A mobile terminal, comprising:
a failure detection apparatus of a mobile terminal according to any of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610850733.3A CN107870279B (en) | 2016-09-26 | 2016-09-26 | Mobile terminal and fault detection device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610850733.3A CN107870279B (en) | 2016-09-26 | 2016-09-26 | Mobile terminal and fault detection device thereof |
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| Publication Number | Publication Date |
|---|---|
| CN107870279A CN107870279A (en) | 2018-04-03 |
| CN107870279B true CN107870279B (en) | 2022-12-20 |
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| CN201610850733.3A Active CN107870279B (en) | 2016-09-26 | 2016-09-26 | Mobile terminal and fault detection device thereof |
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| CN111665408A (en) * | 2020-06-16 | 2020-09-15 | 河南里程碑科技有限公司 | High-protection distribution box fault detection method and device |
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| CN201781535U (en) * | 2010-08-27 | 2011-03-30 | 广东长虹数码科技有限公司 | Mobile phone capable of automatically detecting and isolating fault modules |
| CN104199755B (en) * | 2014-08-25 | 2017-08-08 | 广东欧珀移动通信有限公司 | A kind of method and system that hardware module failure is diagnosed based on indicator lamp |
| CN105824730A (en) * | 2016-03-16 | 2016-08-03 | 北京珠穆朗玛移动通信有限公司 | Method and device for diagnosing and repairing hardware |
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