CN111522382A - Live broadcast sound card voltage output control method and structure thereof - Google Patents
Live broadcast sound card voltage output control method and structure thereof Download PDFInfo
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- CN111522382A CN111522382A CN202010367857.2A CN202010367857A CN111522382A CN 111522382 A CN111522382 A CN 111522382A CN 202010367857 A CN202010367857 A CN 202010367857A CN 111522382 A CN111522382 A CN 111522382A
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 20
- 230000001276 controlling effect Effects 0.000 claims abstract description 18
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
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Abstract
The invention discloses a live broadcast sound card voltage output control method and a structure thereof, wherein the method comprises the following steps: s1: acquiring a voltage input value signal of the electric equipment, generating a reference feedback signal according to the input voltage value, and sending a control signal; s2: and controlling the voltage regulating circuit to be switched on or switched off according to the control signal so as to regulate the output voltage of the sound card. Wherein the structure includes: the receiving module is used for receiving an input voltage signal of the electric equipment; the comparison module is used for generating a reference feedback signal according to the input voltage of the electric equipment and the output voltage of the sound card; and the control module controls the on/off of each circuit switch in the adjusting module according to the reference feedback signal so as to adjust the output voltage of the sound card. By adopting the technical scheme of the invention, the output voltage of the sound card can be adjusted according to the voltages of different electronic equipment connected with the sound card in different working states, so that the working voltage requirements of different electronic equipment can be met.
Description
Technical Field
The invention belongs to the technical field of power supply output, and particularly relates to a live broadcast sound card voltage output control method and a live broadcast sound card voltage output control structure.
Background
The sound card is the most basic component in multimedia technology, and is a hardware for realizing the mutual conversion of sound waves/digital signals, the basic function of the sound card is to convert the original sound signals from a microphone, a magnetic tape or an optical disk into digital signals and output the digital signals to other equipment, and the live broadcast sound card is a hardware device for processing the digital signals through programs to obtain special-effect sound on the basis of converting the digital signals into the digital signals.
In the process of connecting the sound card with other devices, in order to meet the working voltage of the electronic product, different working voltages need to be output according to the working voltage of the electronic product, so that the sound card can output stable voltage, and the electronic product can work normally.
However, in the prior art, when different output voltages are required in an electronic product, the output voltage of the sound card cannot meet the requirements.
Disclosure of Invention
The invention aims to provide a live broadcast sound card voltage output control method and a live broadcast sound card voltage output control structure aiming at the defects in the prior art and application.
In order to solve the technical problem, the live broadcast sound card voltage output control method comprises the following steps:
s1: acquiring a voltage input value signal of the electric equipment, generating a reference feedback signal according to the input voltage value, and sending a control signal;
s2: and controlling the voltage regulating circuit to be switched on or switched off according to the control signal so as to regulate the output voltage of the sound card.
Preferably, before generating the control signal according to the output voltage of the sound card and the generated reference voltage, the live sound card voltage output control method further includes:
receiving a voltage control signal sent by external electric equipment;
and triggering the voltage comparison module to start according to the voltage control signal.
Preferably, the voltage control signal includes a maximum voltage control signal or a minimum voltage control signal.
Preferably, according to the voltage control signal, the voltage comparison module is triggered, which specifically includes:
when the voltage control signal comprises the maximum voltage control signal, triggering the voltage comparison module to start so that the voltage comparison module generates the reference feedback signal according to the output voltage of the sound card and the maximum voltage control signal;
or when the voltage control signal comprises the minimum voltage control signal, triggering the voltage comparison module to start so that the voltage comparison module generates the reference feedback signal according to the output voltage of the sound card and the minimum voltage control signal.
Preferably, the controlling a circuit switch in the voltage regulating circuit to be turned on or off according to the comparison result to regulate the output voltage of the sound card specifically includes:
controlling the output voltage of the sound card according to the reference feedback signal, and switching on or off a corresponding circuit switch when the regulating circuit boosts the voltage so as to improve the output voltage of the sound card;
or controlling the output voltage of the sound card according to the reference feedback signal, and switching on or off the corresponding circuit switch when the regulating circuit reduces the voltage so as to reduce the output voltage of the sound card.
The live sound card voltage output structure is used for implementing the live sound card voltage output control method, and comprises the following steps: the device comprises a receiving module, a comparison module, a control module and an adjusting module;
the receiving module is used for receiving an input voltage signal of the electric equipment;
the comparison module is used for generating a reference feedback signal according to the input voltage of the electric equipment and the output voltage of the sound card;
the control module is respectively connected with the comparison module and the adjustment module and is used for controlling the on/off of each circuit switch in the adjustment module according to the reference feedback signal so as to adjust the output voltage of the sound card.
Preferably, the comparison module comprises a maximum voltage comparison module and a minimum voltage comparison module;
the voltage control module is connected with the control module and the adjusting module and used for receiving a voltage control signal sent from the outside and triggering the maximum voltage comparison module to start or triggering the minimum voltage comparison module to start according to the voltage control signal.
Preferably, the control module is further specifically configured to control, according to the reference feedback signal, a corresponding circuit switch to be turned on or off when the output voltage regulating circuit of the sound card boosts the voltage, so as to increase the output voltage of the sound card; and the circuit switch is used for controlling the corresponding circuit switch to be switched on or switched off when the output voltage regulating circuit of the sound card reduces the voltage according to the reference feedback signal so as to reduce the output voltage of the sound card.
Compared with the prior art, the invention has the beneficial effects that:
and the control module controls the on/off of each circuit switch in the adjusting module according to the reference feedback signal generated by the comparing module so as to adjust the output voltage of the sound card and realize the output of voltages with different sizes. By adopting the technical scheme of the invention, the output voltage of the sound card can be adjusted according to the voltages of different electronic equipment connected with the sound card in different working states, so that the working voltage requirements of different electronic equipment can be met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a flow chart of a live sound card voltage output control method of the present invention;
FIG. 2 is a block diagram of a voltage output structure of a live sound card according to the present invention;
fig. 3 is a schematic circuit diagram of a voltage output structure of the live sound card of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
In the embodiment of the present invention, referring to fig. 1, the live sound card voltage output control method includes the following steps:
s1: acquiring a voltage input value signal of the electric equipment, generating a reference feedback signal according to the input voltage value, and sending a control signal;
s2: and controlling the voltage regulating circuit to be switched on or switched off according to the control signal so as to regulate the output voltage of the sound card.
Further, before generating the control signal according to the output voltage of the sound card and the generated reference voltage, the live broadcast sound card voltage output control method further includes:
receiving a voltage control signal sent by external electric equipment; the voltage control signal includes a maximum voltage control signal or a minimum voltage control signal.
And triggering the voltage comparison module to start according to the voltage control signal.
Further, according to the voltage control signal, triggering a voltage comparison module specifically includes:
when the voltage control signal comprises the maximum voltage control signal, triggering the voltage comparison module to start so that the voltage comparison module generates the reference feedback signal according to the output voltage of the sound card and the maximum voltage control signal;
or when the voltage control signal comprises the minimum voltage control signal, triggering the voltage comparison module to start so that the voltage comparison module generates the reference feedback signal according to the output voltage of the sound card and the minimum voltage control signal.
Further, according to the comparison result, controlling a circuit switch in the voltage regulating circuit to be turned on or off to regulate the output voltage of the sound card specifically includes:
controlling the output voltage of the sound card according to the reference feedback signal, and switching on or off a corresponding circuit switch when the regulating circuit boosts the voltage so as to improve the output voltage of the sound card;
or controlling the output voltage of the sound card according to the reference feedback signal, and switching on or off the corresponding circuit switch when the regulating circuit reduces the voltage so as to reduce the output voltage of the sound card.
Another objective of this embodiment is to provide a voltage output structure of a live sound card, for implementing the voltage output control method of the live sound card, with reference to fig. 2 and 3, including: the device comprises a receiving module 1, a comparing module 2, a control module 3 and an adjusting module 4;
the receiving module 1 is used for receiving an input voltage signal of electric equipment;
the comparison module 2 is used for generating a reference feedback signal according to the input voltage of the electric equipment and the output voltage of the sound card;
the control module 3 is connected to the comparison module 2 and the adjustment module 4, and is configured to control each circuit switch in the adjustment module 4 to be turned on or off according to the reference feedback signal, so as to adjust the output voltage of the sound card.
Further, the comparing module 2 comprises a maximum voltage comparing module 21 and a minimum voltage comparing module 22;
the voltage comparison module 21 is connected to the control module 3 and the regulation module 4, and is configured to receive a voltage control signal sent from the outside, and trigger the maximum voltage comparison module 21 to start or trigger the minimum voltage comparison module 22 to start according to the voltage control signal.
Further, the control module 3 is specifically configured to control, according to the reference feedback signal, a corresponding circuit switch to be turned on or off when the output voltage regulating circuit of the sound card boosts the voltage, so as to increase the output voltage of the sound card; and the circuit switch is used for controlling the corresponding circuit switch to be switched on or switched off when the output voltage regulating circuit of the sound card reduces the voltage according to the reference feedback signal so as to reduce the output voltage of the sound card.
The working principle of this embodiment is as follows:
when the output voltage regulating circuit of the sound card of the embodiment is used, the voltage value required to be output by the circuit, namely the reference feedback voltage of the power supply, is determined in advance, the reference feedback voltage of the power supply is obtained by the comparison module 2, meanwhile, the comparison module 2 is connected with the output end of the output voltage regulating circuit of the sound card, so that the input voltage signal from the electronic device outside the sound card is obtained through the receiving module 1, and the reference feedback signal is generated according to the input voltage of the electronic device and the reference voltage of the sound card. The comparison module 2 obtains a voltage control signal of the external power supply, and triggers the maximum voltage comparison module 21 to start or triggers the minimum voltage comparison module 22 to start according to the voltage control signal. The control module 3 controls the output voltage of the sound card according to the received feedback signal generated by the maximum voltage comparison module 21 or the minimum voltage comparison module 22, and adjusts the corresponding circuit switch to be switched on or off when the circuit is boosted through the adjustment module 4 so as to improve the output voltage of the sound card; or, the control module 3 controls the output voltage of the sound card according to the feedback signal generated by the maximum voltage comparison module 21 or the minimum voltage comparison module 22, and skips the corresponding circuit switch to be turned on or off when the adjusting module 4 adjusts the circuit to reduce the voltage, so as to reduce the output voltage of the sound card.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The live broadcast sound card voltage output control method is characterized by comprising the following steps of:
s1: acquiring a voltage input value signal of the electric equipment, generating a reference feedback signal according to the input voltage value, and sending a control signal;
s2: and controlling the voltage regulating circuit to be switched on or switched off according to the control signal so as to regulate the output voltage of the sound card.
2. The live sound card voltage output control method of claim 1, wherein before generating the control signal according to the output voltage of the sound card and the generated reference voltage, the live sound card voltage output control method further comprises:
receiving a voltage control signal sent by external electric equipment;
and triggering the voltage comparison module to start according to the voltage control signal.
3. The live sound card voltage output control method of claim 1, wherein the voltage control signal comprises a maximum voltage control signal or a minimum voltage control signal.
4. The live sound card voltage output control method according to claim 1, wherein triggering a voltage comparison module according to the voltage control signal specifically includes:
when the voltage control signal comprises the maximum voltage control signal, triggering the voltage comparison module to start so that the voltage comparison module generates the reference feedback signal according to the output voltage of the sound card and the maximum voltage control signal;
or when the voltage control signal comprises the minimum voltage control signal, triggering the voltage comparison module to start so that the voltage comparison module generates the reference feedback signal according to the output voltage of the sound card and the minimum voltage control signal.
5. The live sound card voltage output control method according to claim 1, wherein the controlling of turning on or off a circuit switch in a voltage regulation circuit according to the comparison result to regulate the output voltage of the sound card specifically comprises:
controlling the output voltage of the sound card according to the reference feedback signal, and switching on or off a corresponding circuit switch when the regulating circuit boosts the voltage so as to improve the output voltage of the sound card;
or controlling the output voltage of the sound card according to the reference feedback signal, and switching on or off the corresponding circuit switch when the regulating circuit reduces the voltage so as to reduce the output voltage of the sound card.
6. Live sound card voltage output architecture for implementing a live sound card voltage output control method as claimed in any one of claims 1 to 5, comprising: the device comprises a receiving module, a comparison module, a control module and an adjusting module;
the receiving module is used for receiving an input voltage signal of the electric equipment;
the comparison module is used for generating a reference feedback signal according to the input voltage of the electric equipment and the output voltage of the sound card;
the control module is respectively connected with the comparison module and the adjustment module and is used for controlling the on/off of each circuit switch in the adjustment module according to the reference feedback signal so as to adjust the output voltage of the sound card.
7. The live sound card voltage output structure of claim 6, wherein the comparison module comprises a maximum voltage comparison module and a minimum voltage comparison module;
the voltage control module is connected with the control module and the adjusting module and used for receiving a voltage control signal sent from the outside and triggering the maximum voltage comparison module to start or triggering the minimum voltage comparison module to start according to the voltage control signal.
8. The live sound card voltage output structure according to claim 6, wherein the control module is further configured to control, according to the reference feedback signal, a corresponding circuit switch to be turned on or off when the output voltage regulating circuit of the sound card boosts the voltage, so as to increase the output voltage of the sound card; and the circuit switch is used for controlling the corresponding circuit switch to be switched on or switched off when the output voltage regulating circuit of the sound card reduces the voltage according to the reference feedback signal so as to reduce the output voltage of the sound card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010367857.2A CN111522382A (en) | 2020-04-30 | 2020-04-30 | Live broadcast sound card voltage output control method and structure thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010367857.2A CN111522382A (en) | 2020-04-30 | 2020-04-30 | Live broadcast sound card voltage output control method and structure thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112492092A (en) * | 2020-11-12 | 2021-03-12 | 刘延黄 | Live broadcast sound card with Bluetooth module and capable of being controlled through mobile phone application |
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Application publication date: 20200811 |