CN111668906A - Charging power supply and pickup comprising same - Google Patents
Charging power supply and pickup comprising same Download PDFInfo
- Publication number
- CN111668906A CN111668906A CN202010620141.9A CN202010620141A CN111668906A CN 111668906 A CN111668906 A CN 111668906A CN 202010620141 A CN202010620141 A CN 202010620141A CN 111668906 A CN111668906 A CN 111668906A
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- China
- Prior art keywords
- charging
- resistor
- capacitor
- power supply
- module
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Links
- 239000003990 capacitor Substances 0.000 claims abstract description 63
- 229910001416 lithium ion Inorganic materials 0.000 claims abstract description 22
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 230000005669 field effect Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000003321 amplification Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
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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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/46—Special adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a charging power supply, which comprises a charging module and a battery module, wherein the charging module provides electric energy for the battery module through an external charging interface, the battery module supplies power to other equipment after storing the electric energy, and the battery module comprises at least one lithium ion capacitor and is used for storing the electric energy; above-mentioned charging source reaches adapter including this charging source, through the setting of lithium ion capacitor, can accomplish charging fast to charging source, need not to change the battery, and power live time is long, can repeat a lot of and charge, has practiced thrift the cost.
Description
Technical Field
The invention relates to the technical field of musical instrument pickups, in particular to a charging power supply and a pickup comprising the same.
Background
The sound pick-up is an accessory for collecting the field sound, and the electro-acoustic instrument amplifies the sound by receiving the sound vibration. The sound pick-up is a device used for collecting the sound of the field environment and then transmitting the sound to the back-end equipment, and comprises a microphone and an audio amplification circuit. The sound pickup is generally divided into a digital sound pickup and an analog sound pickup, and the digital sound pickup is a sound sensing apparatus that converts an analog audio signal into a digital signal through a digital signal processing system and performs corresponding digital signal processing. The analog sound pick-up just amplifies the sound collected by the microphone by using a common analog circuit.
Present adapter is installed in the preset position of musical instrument usually, gives miaow head (microphone) and audio amplifier circuit power supply through the battery usually, when the electric quantity is not enough, changes or charges the battery, and the increase that often changes the battery and cause the cost carries out the words of charging, and the rechargeable battery charge time who uses at present is longer, when needs long time use, can't satisfy people's user demand.
Disclosure of Invention
In view of the above, there is a need for a charging power supply capable of being charged quickly and a sound pickup including the same.
The charging power supply comprises a charging module and a battery module, wherein the charging module provides electric energy for the battery module through an external charging interface, the battery module supplies power to other equipment after storing the electric energy, and the battery module comprises at least one lithium ion capacitor and is used for storing the electric energy.
In one embodiment, the battery module further includes a charging chip U1, a fet Q2, a capacitor C4, a capacitor C5, a capacitor C6, a resistor R3, a resistor R17, and a resistor R21, one end of the resistor R3 is connected to the third pin of the charging chip U1, the other end is connected to the S pole of the fet Q2, the G pole of the fet Q2 is connected to one end of the resistor R21, the resistor R17 is connected in parallel to the GS pole of the fet Q2, one end of the li-ion capacitor is connected to the second pin of the charging chip U1, the other end is connected to the S pole of the fet Q2, one end of the capacitor C4 is connected to the second pin of the charging chip U1, the other end is connected to one end of the resistor R3, one end of the capacitor C5 is connected to one end of the li-ion capacitor, and one end of the capacitor C6 is connected to one end of the.
In one embodiment, the charging module includes a charging management chip U4, a diode V1, a resistor R6, a resistor R11, and a capacitor C15, the BAT pin of the charging management chip U4 is connected to the anode of the diode V1, the CHRG pin of the charging management chip U4 is connected to one end of the resistor R11, the PROG pin of the charging management chip U4 is connected to one end of the resistor R6, and the VCC pin of the charging management chip U4 is connected to one end of the capacitor C15.
In one embodiment, the charging module further comprises a battery lamp BAT-LED, and one end of the battery lamp BAT-LED is connected with one end of the resistor R11.
In one embodiment, the charging power supply further comprises an alarm unit, and one end of the alarm unit is connected with the D pole of the field effect transistor Q2.
In one embodiment, the charging power supply further comprises a voltage conversion module, and the voltage conversion module comprises a resistor R1, a resistor R15, a capacitor C1, and a capacitor C3, wherein the resistor R1 and the resistor R15 are connected in series, the capacitor C1 is connected in parallel with the resistor R1 and the resistor R15, and the capacitor C3 is connected in parallel with the resistor R1.
In one embodiment, the lithium ion capacitor has a capacity ranging from 10F to 750F.
In one embodiment, the charging power supply comprises a pickup module, an audio processing module and the charging power supply according to any one of claims 1 to 7, wherein a signal output end of the pickup module is connected with a signal input end of the audio processing module, and the charging power supply is electrically connected with the pickup module and the audio processing module respectively.
Above-mentioned charging source reaches adapter including this charging source, through the setting of lithium ion capacitor, can accomplish charging fast to charging source, need not to change the battery, and power live time is long, can repeat a lot of and charge, has practiced thrift the cost.
Drawings
Fig. 1 is a schematic structural diagram of a charging power supply according to an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a sound pickup according to an embodiment of the present invention;
fig. 3 is a circuit diagram of a charging module of the charging power supply of fig. 1 according to an embodiment of the invention;
FIG. 4 is a circuit diagram of a battery module of the charging power supply of FIG. 1 according to an embodiment of the invention;
FIG. 5 is a circuit diagram of an alarm unit of the charging power supply of FIG. 1 according to an embodiment of the invention;
fig. 6 is a circuit diagram of a voltage conversion module of the charging power supply of fig. 1 according to an embodiment of the invention;
fig. 7 is a circuit diagram of the sound pickup module and the audio processing module of the sound pickup of fig. 2 according to the embodiment of the invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, a charging power supply includes a charging module 100 and a battery module 200, where the charging module 100 provides electric energy to the battery module 200 through an external charging interface, the battery module 200 stores the electric energy and then supplies power to other devices, and the battery module 200 includes at least one lithium ion capacitor 210 for storing the electric energy.
As shown in fig. 4, in one embodiment, the battery module 200 further includes a charging chip U1, a fet Q2, a capacitor C4, a capacitor C5, a capacitor C6, a resistor R3, a resistor R17, and a resistor R21, one end of the resistor R3 is connected to the third pin of the charging chip U1, the other end of the resistor R3 is connected to the S pole of the fet Q2, the G pole of the fet Q2 is connected to one end of the resistor R21, the resistor R17 is connected to the GS end of the fet Q2 in parallel, one end of the li-ion capacitor is connected to the second pin of the charging chip U1, the other end of the li-ion capacitor is connected to the S pole of the fet Q2, one end of the capacitor C4 is connected to the second pin of the charging chip U1, the other end of the capacitor C3 is connected to one end of the resistor R5, and one end of the capacitor C6 is connected to one end of the.
As shown in fig. 3, in one embodiment, the charging module 100 includes a charging management chip U4, a diode V1, a resistor R6, a resistor R11, and a capacitor C15, the BAT pin of the charging management chip U4 is connected to the positive electrode of the diode V1, the CHRG pin of the charging management chip U4 is connected to one end of the resistor R11, the PROG pin of the charging management chip U4 is connected to one end of the resistor R6, and the VCC pin of the charging management chip U4 is connected to one end of the capacitor C15.
In one embodiment, the charging module further comprises a battery lamp BAT-LED, and one end of the battery lamp BAT-LED is connected with one end of the resistor R11.
The external charging interface comprises microusb charging, type-cusb charging and integrated charging of other charging interfaces. And the signal output end of the external charging interface is connected with the VCC end of the charging management chip U4.
When the electric quantity of the lithium ion capacitor 210 of the battery module 200 is smaller than a preset value, the lithium ion capacitor 210 needs to be charged, an external charging power supply is connected through an external charging interface, the lithium ion capacitor 210 of the battery module 200 is charged through the charging module 100, when the electric quantity reaches a preset threshold value, the charging chip U1 controls the stopping of charging, in the charging process of the lithium ion capacitor 210, the charging management chip U4 controls the battery lamp BAT-LED to be in a flashing state, the charging power supply of a user is reminded to be in the charging state, and the phenomenon that the power supply is damaged due to misoperation of the user is avoided.
The lithium ion capacitor 210 is called as an LIC for short, also called as an Electrochemical Hybrid Capacitor (EHC), an asymmetric electrochemical capacitor, and is a novel energy storage element between a super capacitor and a battery, and has higher specific capacity and specific energy than the super capacitor and higher power density than the battery.
The outstanding characteristics are that:
1. the high-power pulse generator has higher power density, and can better meet the power requirement in a large-current application occasion, particularly in a high-energy pulse environment.
2. Has a specific energy between the electric double layer capacitor and the secondary battery.
3. The charge-discharge cycle time is very short and is far shorter than that of the storage battery.
4. Can meet the requirement of long-term use without maintenance.
5. Has wider working temperature range and can work normally in the range of-45 to 85 degrees.
As shown in fig. 5, in one embodiment, the charging power supply further includes an alarm unit 300, and one end of the alarm unit 300 is connected to the D pole of the fet Q2.
When the electric quantity of the battery module 200 is insufficient, the light of the warning unit 300 flashes to prompt the user that the electric quantity of the battery module 200 is insufficient and needs to be charged, thereby avoiding influencing the subsequent use of the battery module 200.
As shown in fig. 6, in one embodiment, the charging power supply further includes a voltage conversion module 400, where the voltage conversion module includes a resistor R1, a resistor R15, a capacitor C1, and a capacitor C3, the resistor R1 and the resistor R15 are connected in series, the capacitor C1 is connected in parallel with the resistor R1 and the resistor R15, and the capacitor C3 is connected in parallel with the resistor R1.
In this way, the voltage conversion module 400 converts the voltage into a voltage value suitable for other modules for use by the other modules, so that the application range of the charging power supply is wider.
In one embodiment, the lithium ion capacitor has a capacity ranging from 10F to 750F.
As shown in fig. 2 and 7, in one embodiment, the apparatus includes a pickup module 500, an audio processing module 600, and a charging power source, wherein a signal output terminal of the pickup module 500 is connected to a signal input terminal of the audio processing module 600, and the charging power source is electrically connected to the pickup module 500 and the audio processing module 600, respectively.
Like this, charging source and including this charging source's adapter through the setting of lithium ion capacitor, can accomplish charging fast to charging source, need not to change the battery, and power live time is long, can repeat a lot of and charge, has practiced thrift the cost.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. A charging power supply, characterized by: the charging module provides electric energy for the battery module through an external charging interface, the battery module supplies power for other equipment after storing the electric energy, and the battery module comprises at least one lithium ion capacitor and is used for storing the electric energy.
2. A charging power supply according to claim 1, wherein: the battery module further comprises a charging chip U1, a field effect transistor Q2, a capacitor C4, a capacitor C5, a capacitor C6, a resistor R3, a resistor R17 and a resistor R21, one end of the resistor R3 is connected with a third pin of the charging chip U1, the other end of the resistor R3 is connected with an S pole of the field effect transistor Q2, a G pole of the field effect transistor Q2 is connected with one end of the resistor R21, the resistor R17 is connected in parallel with a GS end of the field effect transistor Q2, one end of a lithium ion capacitor is connected with a second pin of the charging chip U1, the other end of the lithium ion capacitor is connected with an S pole of the field effect transistor Q2, one end of the capacitor C4 is connected with a second pin of the charging chip U1, the other end of the capacitor C3 is connected with one end of the lithium ion capacitor, and one end of the capacitor C6 is connected.
3. A charging power supply according to claim 1, wherein: the charging module comprises a charging management chip U4, a diode V1, a resistor R6, a resistor R11 and a capacitor C15, wherein a BAT pin of the charging management chip U4 is connected with the anode of a diode V1, a CHRG pin of the charging management chip U4 is connected with one end of the resistor R11, a PROG pin of the charging management chip U4 is connected with one end of the resistor R6, and a VCC pin of the charging management chip U4 is connected with one end of the capacitor C15.
4. A charging power supply according to claim 1, wherein: the charging module further comprises a battery lamp BAT-LED, and one end of the battery lamp BAT-LED is connected with one end of the resistor R11.
5. A charging power supply according to claim 1, wherein: the charging power supply further comprises a warning unit, and one end of the warning unit is connected with the D pole of the field-effect tube Q2.
6. A charging power supply according to claim 1, wherein: the charging power supply further comprises a voltage conversion module, the voltage conversion module comprises a resistor R1, a resistor R15, a capacitor C1 and a capacitor C3, the resistor R1 and the resistor R15 are connected in series, the capacitor C1 is connected with the resistor R1 and the resistor R15 in parallel, and the capacitor C3 is connected with the resistor R1 in parallel.
7. A charging power supply according to claim 1, wherein: the capacity range of the lithium ion capacitor is 10F-750F.
8. A sound pickup characterized in that: the charging power supply comprises a pickup module, an audio processing module and the charging power supply of any one of claims 1 to 7, wherein the signal output end of the pickup module is connected with the signal input end of the audio processing module, and the charging power supply is respectively electrically connected with the pickup module and the audio processing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010620141.9A CN111668906A (en) | 2020-06-30 | 2020-06-30 | Charging power supply and pickup comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010620141.9A CN111668906A (en) | 2020-06-30 | 2020-06-30 | Charging power supply and pickup comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111668906A true CN111668906A (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010620141.9A Pending CN111668906A (en) | 2020-06-30 | 2020-06-30 | Charging power supply and pickup comprising same |
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| CN (1) | CN111668906A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205304277U (en) * | 2015-11-25 | 2016-06-08 | 富华德电子(东莞)有限公司 | House portable power source |
| WO2017101231A1 (en) * | 2015-12-18 | 2017-06-22 | 深圳市中孚能电气设备有限公司 | Portable power circuit for lamp and lamp |
| CN208444402U (en) * | 2018-08-13 | 2019-01-29 | 杭州艾力特数字科技有限公司 | A kind of self-checking acousto-optic alarm sound pick-up |
| CN208508569U (en) * | 2018-07-16 | 2019-02-15 | 东方通信股份有限公司 | A kind of power module of integrated battery Charge Management and more power outputs |
| CN212518454U (en) * | 2020-06-30 | 2021-02-09 | 惠州市铭仕电子制品有限公司 | Charging power supply and pickup comprising same |
-
2020
- 2020-06-30 CN CN202010620141.9A patent/CN111668906A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205304277U (en) * | 2015-11-25 | 2016-06-08 | 富华德电子(东莞)有限公司 | House portable power source |
| WO2017101231A1 (en) * | 2015-12-18 | 2017-06-22 | 深圳市中孚能电气设备有限公司 | Portable power circuit for lamp and lamp |
| CN208508569U (en) * | 2018-07-16 | 2019-02-15 | 东方通信股份有限公司 | A kind of power module of integrated battery Charge Management and more power outputs |
| CN208444402U (en) * | 2018-08-13 | 2019-01-29 | 杭州艾力特数字科技有限公司 | A kind of self-checking acousto-optic alarm sound pick-up |
| CN212518454U (en) * | 2020-06-30 | 2021-02-09 | 惠州市铭仕电子制品有限公司 | Charging power supply and pickup comprising same |
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