CN107864443B - Earphone battery open circuit detection device and detection method - Google Patents
Earphone battery open circuit detection device and detection method Download PDFInfo
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- CN107864443B CN107864443B CN201711052249.7A CN201711052249A CN107864443B CN 107864443 B CN107864443 B CN 107864443B CN 201711052249 A CN201711052249 A CN 201711052249A CN 107864443 B CN107864443 B CN 107864443B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/05—Detection of connection of loudspeakers or headphones to amplifiers
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a device and a method for detecting the open circuit of an earphone battery, wherein two wires which are led out from an earphone line control box and are respectively connected with a left battery and a right battery of an earphone are respectively attached to two detection sensors, a relay is connected with a power interface in the line control box, the relay is controlled to be conducted through a single chip microcomputer, so that the relay respectively charges the left battery and the right battery, then magnetic field signals formed outside the two wires are respectively collected through the corresponding detection sensors, and whether the open circuit phenomenon exists between the left battery and the right battery and the corresponding wires is respectively determined according to the collected magnetic field signals. The invention has the advantages of simple structure, low cost and convenient operation, can detect the battery circuit problem of the finished product type neck line earphone, improves the delivery quality of the finished product type neck line earphone, and can reduce the production and manufacturing cost of enterprises.
Description
Technical Field
The invention relates to the technical field of earphones, in particular to a device and a method for detecting disconnection of an earphone battery.
Background
At present, the most widely used Bluetooth technology in daily life is a Bluetooth headset, and the most important characteristics of the Bluetooth headset are portability and wireless operability, so that a user can use a mobile phone even in an occasion where the user cannot conveniently hold the mobile phone. The current bluetooth headset, in order to improve its endurance, usually adopts the bicell, namely bluetooth headset has two batteries, and one of them battery is put together with left earphone loudspeaker, and another battery is put together with right earphone loudspeaker.
However, for a dual-battery neck wire type bluetooth headset, the risk of unilateral open circuit is high, and for finished product detection, it is impossible to judge whether the dual-side battery is qualified by pricking a detection point, and if one of the left and right headset horns is short-circuited with the corresponding battery, there is no method to effectively detect the battery short-circuit state of the neck wire type bluetooth headset, so the quality of the bluetooth product is seriously affected.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a device and a method for detecting disconnection of a battery of an earphone, so as to solve the problem that battery disconnection detection cannot be performed on a finished product of a neckline type bluetooth earphone.
The invention provides a broken circuit detection device of an earphone battery, which comprises a singlechip, a relay, a first detection sensor and a second detection sensor, wherein the relay is connected with the singlechip; wherein, a first wire and a second wire which are led out from a wire control box of the earphone and are respectively connected with a left battery and a right battery of the earphone are respectively attached to a first detection sensor and a second detection sensor; the single chip microcomputer is respectively connected with the relay, the first detection sensor and the second detection sensor, the relay is connected with a power interface in the wire control box, the single chip microcomputer controls the relay to be conducted so as to charge the left battery and the right battery respectively, magnetic field signals formed outside the first wire and the second wire are collected through the first detection sensor and the second detection sensor respectively, and the left battery and the first wire are determined respectively according to the collected magnetic field signals, and whether the right battery and the second wire are broken or not is determined.
Further, a preferable structure is: a magnetic field signal formed outside the first wire acquired by the first detection sensor is generated by current flowing through the left battery; the magnetic field signal formed outside the second wire collected by the second detection sensor is generated by the current flowing through the right battery.
Further, a preferable structure is: the circuit also comprises a first amplifying circuit and a second amplifying circuit; the first amplification circuit is connected with the first detection sensor and is used for amplifying the current flowing through the left battery; and the second amplifying circuit is connected with the second detection sensor and is used for amplifying the current flowing through the right battery.
Further, a preferable structure is: further comprising: the first judgment module is used for determining that the left battery and the first wire rod are disconnected when the first detection sensor does not acquire a magnetic field signal formed outside the first wire rod, and otherwise, the left battery and the first wire rod are not disconnected; and the second judgment module is used for determining that the right battery and the second wire are disconnected when the second detection sensor does not acquire a magnetic field signal formed outside the second wire, and otherwise, the right battery and the second wire are not disconnected.
Further, a preferable structure is: still including bearing the testing platform of earphone, singlechip, relay, first detection sensor and second detection sensor all set up on testing platform.
Further, a preferable structure is: further comprising: the tool is arranged on the detection platform, a line arranging groove is formed in the tool, and a first wire and a second wire of the earphone placed on the detection platform are respectively attached to the first detection sensor and the second detection sensor through the line arranging groove.
Further, a preferable structure is: further comprising: and the power supply is connected with the relay and used for respectively providing charging required voltage for the left battery and the right battery after the relay is controlled by the single chip microcomputer to be switched on.
In another aspect, the present invention provides a method for detecting disconnection of an earphone battery, which uses the above-mentioned device for detecting disconnection of an earphone battery to detect disconnection of the earphone battery, the method comprising:
respectively attaching a first wire and a second wire to a first detection sensor and a second detection sensor; connecting a power interface and a relay in the earphone wire control box through a charging wire so as to connect the earphone and the relay; the singlechip is respectively connected with the relay, the first detection sensor and the second detection sensor, the relay is controlled to be conducted through the singlechip, and magnetic field signals formed outside the first wire and the second wire are respectively collected through the first detection sensor and the second detection sensor; and respectively determining whether the left battery and the first wire and the right battery and the second wire are disconnected or not according to the acquired magnetic field signals.
The two wires led out from the earphone line control box and respectively connected with the left battery and the right battery of the earphone are respectively attached to the two detection sensors, the relay is connected with the power interface in the line control box, the relay is controlled to be conducted through the single chip microcomputer to enable the relay to respectively charge the left battery and the right battery, then the corresponding detection sensors respectively collect magnetic field signals formed outside the two wires, and therefore whether the open circuit phenomenon exists between the left battery and the right battery and the wires corresponding to the batteries is determined according to the collected magnetic field signals. The invention has the advantages of simple structure, low cost and convenient operation, can detect the battery circuit problem of the finished product type neck line earphone, improves the delivery quality of the finished product type neck line earphone, and can reduce the production and manufacturing cost of enterprises.
To the accomplishment of the foregoing and related ends, one or more aspects of the invention comprise the features hereinafter fully described. The following description and the annexed drawings set forth in detail certain illustrative aspects of the invention. These aspects are indicative, however, of but a few of the various ways in which the principles of the invention may be employed. Further, the present invention is intended to include all such aspects and their equivalents.
Drawings
Other objects and results of the present invention will become more apparent and more readily appreciated by reference to the following description taken in conjunction with the accompanying drawings, and as the invention is more fully understood. In the drawings:
fig. 1 is a logic structure of a disconnection detecting apparatus of a battery of an earphone according to an embodiment of the present invention;
fig. 2 is a flowchart of a method for detecting disconnection of a battery of an earphone according to an embodiment of the present invention.
The same reference numbers in all figures indicate similar or corresponding features or functions.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Aiming at the problem that the battery circuit of the finished neck wire type Bluetooth headset cannot be subjected to open circuit detection at present, the invention respectively attaches two wires led out from a headset wire control box and connected with left and right batteries of the headset to two detection sensors, connects a relay with a power interface in the wire control box, controls the relay to be conducted through a single chip microcomputer so that the relay respectively charges the left and right batteries, and then respectively collects magnetic field signals formed outside the two wires through the corresponding detection sensors, thereby respectively determining whether open circuit exists between the left and right batteries and the wires corresponding to the left and right batteries according to the collected magnetic field signals. The invention has the advantages of simple structure, low cost and convenient operation, can detect the battery circuit problem of the finished product type neck line earphone, improves the delivery quality of the finished product type neck line earphone, and can reduce the production and manufacturing cost of enterprises.
To illustrate the disconnection detecting apparatus of a battery of an earphone according to the present invention, fig. 1 shows a logical structure of the disconnection detecting apparatus of a battery of an earphone according to an embodiment of the present invention.
As shown in fig. 1, the disconnection detecting apparatus for a battery of an earphone according to the present invention includes a single chip microcomputer 10, a relay 20, a first detecting sensor 30, and a second detecting sensor 40; wherein, a first wire 52 and a second wire 53 which are respectively connected with a left battery and a right battery of the earphone and are led out from the line control box 5 of the earphone are respectively attached on the first detection sensor 30 and the second detection sensor 40; the single chip microcomputer 10 is respectively connected with the relay 20, the first detection sensor 30 and the second detection sensor 40, the relay 20 is connected with a power interface in the wire control box 5, the single chip microcomputer 10 controls the relay 20 to be conducted so as to charge a left battery and a right battery respectively, magnetic field signals formed outside the first wire 52 and the second wire 53 are collected through the first detection sensor 30 and the second detection sensor 40 respectively, and the left battery and the first wire 52 are determined respectively according to the collected magnetic field signals, and whether the right battery and the second wire 53 are broken or not is determined.
Namely, a first wire rod which is led out from a wire control box of the neckline earphone and is connected with a left battery is attached to the first detection sensor, and a second wire rod which is led out from the wire control box of the neckline earphone and is connected with a right battery is attached to the second detection sensor; after the single chip microcomputer control relay is switched on, a magnetic field signal formed outside the first wire rod is collected through the first detection sensor, and whether the left battery and the first wire rod are disconnected or not is determined according to the magnetic field signal formed outside the first wire rod and collected by the first detection sensor; and acquiring a magnetic field signal formed outside the second wire by the second detection sensor, and determining whether the right battery and the second wire are disconnected according to the magnetic field signal outside the second wire acquired by the second detection sensor.
The magnetic field signal formed outside the first wire acquired by the first detection sensor is generated by current flowing through the left battery; the magnetic field signal formed outside the second wire collected by the second detection sensor is generated by the current flowing through the right battery. That is to say, after the single chip microcomputer control relay is turned on, if there is no open circuit phenomenon between the first wire and the left battery, and between the second wire and the right battery, the battery will inevitably form a magnetic field outside the first wire and the second wire when flowing through the left battery and the right battery, at this time, the first detection sensor and the second detection sensor capture the magnetic field formed outside the first wire and the second wire respectively, and then it can be determined whether the line of the earphone is normal, if the left battery and the first wire are open circuit, no current passes through the first wire, no magnetic field can be formed outside the first wire, and the first sensor cannot capture the magnetic field signal; similarly, the open circuit detection mode of the second wire and the right battery is similar to the open circuit detection mode of the left battery and the first wire.
That is, the device for detecting disconnection of a battery of an earphone provided by the present invention further includes a first determining module and a second determining module (neither shown in the figures), where the first determining module is configured to determine that the left battery and the first wire are disconnected when the first detecting sensor does not collect a magnetic field signal formed outside the first wire, and otherwise, the left battery and the first wire are not disconnected; and the second judgment module is used for determining that the right battery and the second wire are disconnected when the second detection sensor does not acquire a magnetic field signal formed outside the second wire, and otherwise, the right battery and the second wire are not disconnected.
Furthermore, in order to enable the first detection sensor and the second detection sensor to accurately acquire magnetic field signals formed outside the first wire and the second wire, the disconnection detection device of the earphone battery provided by the invention further comprises a first amplification circuit and a second amplification circuit, wherein the first amplification circuit is connected with the first detection sensor and is used for amplifying current flowing through the left battery; the second amplifying circuit is connected with the second detection sensor and used for amplifying the current flowing through the right battery, so that the magnetic field signal can be increased, and the first detection sensor and the second detection sensor can accurately acquire the magnetic field signal.
In addition, the device for detecting the open circuit of the earphone battery further comprises a detection platform (not shown in the figure) for bearing the earphone, and the single chip microcomputer, the relay, the first detection sensor and the second detection sensor are all arranged on the detection platform.
Furthermore, the device for detecting the open circuit of the earphone battery further comprises a tool arranged on the detection platform, wherein a line arranging groove is formed in the tool, the line arranging groove is matched with wires (namely a first wire and a second wire) of the earphone, and the first wire and the second wire of the earphone placed on the detection platform are attached to the first detection sensor and the second detection sensor through the line arranging groove formed in the tool.
In addition, the open circuit detection device of the earphone battery further comprises a power supply, wherein the power supply is connected with the relay and used for respectively providing required voltage for the left battery and the right battery after the relay is controlled by the single chip microcomputer to be conducted.
Corresponding to the above method, the present invention provides a method for detecting an open circuit of an earphone battery, in which the open circuit detection device of the earphone battery is used to detect an open circuit of the earphone battery, and fig. 2 shows a flow of the method for detecting an open circuit of the earphone battery according to an embodiment of the present invention.
As shown in fig. 2, the method for detecting disconnection of a battery of an earphone provided by the present invention includes:
s110: respectively attaching a first wire and a second wire to a first detection sensor and a second detection sensor;
s120: connecting a power interface and a relay in the earphone wire control box through a charging wire so as to connect the earphone and the relay;
s130: the singlechip is respectively connected with the relay, the first detection sensor and the second detection sensor, the relay is controlled to be conducted through the singlechip, and magnetic field signals formed outside the first wire and the second wire are respectively collected through the first detection sensor and the second detection sensor;
s140: and respectively determining whether the left battery and the first wire and the right battery and the second wire are disconnected or not according to the acquired magnetic field signals.
In the process of respectively determining whether the left battery and the first wire rod and the right battery and the second wire rod are in open circuit according to the collected magnetic field signals, if the first detection sensor does not collect the magnetic field signals formed outside the first wire rod, it is determined that the left battery and the first wire rod are in open circuit, otherwise, the left battery and the first wire rod are not in open circuit; and if the second detection sensor does not acquire the magnetic field signal formed outside the second wire, determining that the right battery and the second wire are disconnected, otherwise, determining that the right battery and the second wire are not disconnected.
Therefore, the open circuit detection device and the detection method for the earphone battery provided by the invention can detect the battery circuit problem of the finished product type neck line earphone, improve the delivery quality of the finished product type neck line earphone, and reduce the production and manufacturing cost of enterprises.
The disconnection detecting apparatus and the detecting method of the earphone battery according to the present invention are described above by way of example with reference to the accompanying drawings. However, it should be understood by those skilled in the art that various modifications can be made to the disconnection detecting device and the detecting method for the earphone battery provided by the present invention without departing from the scope of the present invention. Therefore, the scope of the present invention should be determined by the contents of the appended claims.
Claims (8)
1. A circuit break detection device of an earphone battery comprises a single chip microcomputer, a relay, a power supply, a first detection sensor and a second detection sensor; wherein the content of the first and second substances,
a first wire and a second wire which are led out from a line control box of the earphone and are respectively connected with a left battery and a right battery of the earphone are respectively attached to the first detection sensor and the second detection sensor;
the single chip microcomputer is respectively connected with the relay, the first detection sensor and the second detection sensor, the relay is connected with a power interface in the wire control box, the power supply is connected with the relay, the single chip microcomputer controls the relay to be conducted so as to respectively charge the left battery and the right battery, magnetic field signals formed outside the first wire and the second wire are respectively collected through the first detection sensor and the second detection sensor, and whether the left battery and the first wire and the right battery and the second wire are disconnected or not is respectively determined according to the collected magnetic field signals.
2. The disconnection detecting apparatus of a battery of an earphone according to claim 1,
the magnetic field signal formed outside the first wire acquired by the first detection sensor is generated by current flowing through the left battery;
the magnetic field signal formed outside the second wire collected by the second detection sensor is generated by the current flowing through the right battery.
3. The disconnection detecting device of a battery of an earphone according to claim 2, further comprising a first amplifying circuit and a second amplifying circuit; wherein the content of the first and second substances,
the first amplifying circuit is connected with the first detection sensor and used for amplifying the current flowing through the left battery;
and the second amplifying circuit is connected with the second detection sensor and is used for amplifying the current flowing through the right battery.
4. The disconnection detecting device of a battery of an earphone according to claim 1, further comprising:
the first judgment module is used for determining that the left battery and the first wire are disconnected when the first detection sensor does not acquire a magnetic field signal formed outside the first wire, and otherwise, the left battery and the first wire are not disconnected;
the second judgment module is used for determining that the right battery and the second wire are disconnected when the second detection sensor does not acquire a magnetic field signal formed outside the second wire, and otherwise, the right battery and the second wire are not disconnected.
5. The apparatus for detecting disconnection of a battery of a headset according to claim 1, further comprising a detection platform for carrying the headset, wherein the single chip, the relay, the first detection sensor and the second detection sensor are disposed on the detection platform.
6. The disconnection detecting device of a battery of an earphone according to claim 5, further comprising:
the earphone line arranging device comprises a tool arranged on the detection platform, wherein a line arranging groove is formed in the tool, and a first wire and a second wire of an earphone arranged on the detection platform are respectively attached to the first detection sensor and the second detection sensor through the line arranging groove.
7. An open circuit detection method of earphone battery, which uses the open circuit detection device of earphone battery as claimed in any one of claims 1-6 to perform open circuit detection on earphone battery, the method comprises:
respectively attaching the first wire and the second wire to the first detection sensor and the second detection sensor;
connecting a power interface and a relay in an earphone wire control box through a charging wire so as to connect the earphone with the relay, wherein the relay is connected with a power supply;
the single chip microcomputer is respectively connected with a relay, a first detection sensor and a second detection sensor, the relay is controlled to be conducted through the single chip microcomputer, and magnetic field signals formed outside the first wire and the second wire are respectively collected through the first detection sensor and the second detection sensor;
and respectively determining whether the left battery and the first wire and the right battery and the second wire are disconnected or not according to the acquired magnetic field signals.
8. The disconnection detecting method of a battery of an earphone according to claim 7, wherein in the process of determining whether the left battery and the first wire, and the right battery and the second wire are disconnected, respectively, based on the collected magnetic field signal,
if the first detection sensor does not collect a magnetic field signal formed outside the first wire, determining that the left battery and the first wire are disconnected, otherwise, determining that the left battery and the first wire are not disconnected;
and if the second detection sensor does not acquire the magnetic field signal formed outside the second wire, determining that the right battery and the second wire are disconnected, otherwise, determining that the right battery and the second wire are not disconnected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711052249.7A CN107864443B (en) | 2017-10-30 | 2017-10-30 | Earphone battery open circuit detection device and detection method |
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| CN201711052249.7A CN107864443B (en) | 2017-10-30 | 2017-10-30 | Earphone battery open circuit detection device and detection method |
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| CN107864443A (en) | 2018-03-30 |
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