CN212009364U - Voice control system for household electrical appliance equipment - Google Patents
Voice control system for household electrical appliance equipment Download PDFInfo
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- CN212009364U CN212009364U CN202020958861.1U CN202020958861U CN212009364U CN 212009364 U CN212009364 U CN 212009364U CN 202020958861 U CN202020958861 U CN 202020958861U CN 212009364 U CN212009364 U CN 212009364U
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Abstract
The utility model discloses a household electrical appliance voice control system, including speech signal output module, speech signal filter unit, signal amplification unit, metering unit, voice command receiving element, speech signal output unit passes through speech signal filter unit and connects signal amplification unit, and signal amplification unit connects central processing unit, and central processing unit connects metering unit, PLC controller respectively, and voice command receiving element connects the PLC controller, and the household electrical appliance controller is connected to the PLC controller, the utility model discloses the theory of operation is simple, and intelligent degree is high, can realize the voice control to household electrical appliance, and control accuracy is high, and is energy-conserving effectual.
Description
Technical Field
The utility model relates to an equipment control technical field specifically is a household electrical appliances voice control system.
Background
The intelligent voice industry mainly refers to an industry that provides various services to users through a voice synthesis technology and a voice recognition technology. Generally, the user only needs to issue a command to the service terminal in a speaking mode to obtain the corresponding service. This industry has emerged from the sixties of the last century but is not well known to the average consumer and has low consumer awareness. In recent years, as companies such as apple, google, microsoft, etc. successively launch smart voice services such as Siri, this service and related industries are also beginning to be concerned by common consumers and investment circles.
The current household electrical appliance equipment has low voice control precision and low control efficiency, so improvement is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a domestic appliance equipment voice control system to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a household electrical appliance equipment voice control system, includes voice signal output module, voice signal filter unit, signal amplification unit, measurement unit, voice command receiving element, voice signal output module passes through voice signal filter unit and connects signal amplification unit, signal amplification unit connects central processing unit, central processing unit connects measurement unit, PLC controller respectively, voice command receiving element connects the PLC controller, the household electrical appliance controller is connected to the PLC controller.
Preferably, the voice signal filtering unit includes a voltage reduction chip, a capacitor C, a capacitor D, a capacitor E and a capacitor F, the Vin end of the voltage reduction chip is connected to one end of the capacitor C and one end of the capacitor D respectively, the Vout end is connected to one end of the capacitor E and one end of the capacitor F respectively, the GND end is grounded, and the other ends of the capacitor C, the capacitor D, the capacitor E and the capacitor F are grounded.
Preferably, the signal amplification unit comprises an operational amplifier A and an operational amplifier B, wherein the positive input end of the operational amplifier A is respectively connected with one end of a resistor D and one end of a resistor E, the negative input end of the operational amplifier A is respectively connected with one end of a resistor F and one end of a resistor G, the output end of the operational amplifier A is respectively connected with the other end of the resistor G, one end of a resistor H and one end of a resistor O, the positive input end of the operational amplifier B is grounded through a resistor I, the negative input end of the operational amplifier B is respectively connected with one end of a capacitor B and one end of a resistor J, the other end of the capacitor B is connected with the other end of the resistor H, the output end of the operational amplifier B is respectively connected with the other end of the resistor J and one end of a resistor K, the other end of the resistor K is, the other end of the resistor O is connected with a base electrode of the triode A, an emitting electrode of the triode A is grounded through a resistor C, a collecting electrode of the triode A is connected with one end of a resistor B, and the other end of the resistor B is connected with one end of an inductor A.
Preferably, the PLC controller is an FX3G series controller.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has simple working principle, high intelligent degree, high control precision and good energy-saving effect, and can realize the voice control of the household appliances; wherein, the voice signal filtering unit adopted by the utility model can filter high frequency signals, further improving the signal output quality; the signal amplification unit can enhance the voice signal and can timely shunt and buffer current fluctuation, so that the purpose of reducing the fluctuation intensity of signal current between two operational amplifiers connected to the output end is achieved, the anti-interference performance is improved, and the voice control precision is further improved.
Drawings
FIG. 1 is a schematic block diagram of the present invention;
FIG. 2 is a schematic diagram of the speech signal filtering unit of the present invention;
fig. 3 is a schematic diagram of the signal amplification unit of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides a technical solution: a voice control system of household electrical appliance equipment comprises a voice signal output module 1, a voice signal filtering unit 2, a signal amplifying unit 3, a metering unit 4 and a voice instruction receiving unit 5, wherein the voice signal output module 1 is connected with the signal amplifying unit 3 through the voice signal filtering unit 2, the signal amplifying unit 3 is connected with a central processing unit 6, the central processing unit 6 is respectively connected with the metering unit 4 and a PLC (programmable logic controller) 7, the voice instruction receiving unit 5 is connected with the PLC 7, and the PLC 7 is connected with a household electrical appliance controller 8; the PLC controller employs an FX3G series controller.
The utility model discloses in, voice signal filter unit includes step-down chip 9, electric capacity C3b, electric capacity D4b, electric capacity E5b and electric capacity F6b, electric capacity C3b one end and electric capacity D4b one end are connected respectively to step-down chip 9Vin end, and electric capacity E5b and electric capacity F6b one end are connected respectively to the Vout end, GND end ground connection, electric capacity C3b, electric capacity D4b, electric capacity E5b and electric capacity F6b other end all ground connection.
In addition, in the present invention, the signal amplifying unit includes an operational amplifier A1D and an operational amplifier B2D, a positive input terminal of the operational amplifier A1D is connected to one end of a resistor D4a and one end of a resistor E5a respectively, a negative input terminal is connected to one end of a resistor F6a and one end of a resistor G7a respectively, an output terminal of the operational amplifier A1D is connected to the other end of a resistor G7a, one end of a resistor H8a and one end of a resistor O15a respectively, a positive input terminal of the operational amplifier B2D is grounded through a resistor I9a, a negative input terminal is connected to one end of a capacitor B2B and one end of a resistor J10a respectively, the other end of a capacitor B2B is connected to the other end of a resistor H8a, an output terminal of the operational amplifier B2D is connected to the other end of a resistor J10a and one end of a resistor K11a respectively, the other end of a resistor K11a is connected to one end of a resistor L12a, the other end of a resistor, the other end of the resistor M13a is connected with one end of an inductor B2C, the other end of the resistor O15a is connected with the base electrode of a triode A1e, the emitting electrode of the triode A1e is grounded through a resistor C3a, the collecting electrode of the triode A1 is connected with one end of a resistor B2a, and the other end of the resistor B2a is connected with one end of the inductor A1C.
The working principle is as follows: the user passes through voice signal input module input voice control instruction, and this voice control instruction passes through signal filtering unit and filters the signal after through signal amplification unit amplification voice signal, and central processing unit exports the voice amplification signal of receiving to the PLC controller, and PLC control output instruction is controlled to corresponding domestic appliance equipment.
In summary, the utility model has simple working principle, high intelligent degree, high control precision and good energy-saving effect, and can realize the voice control of the household appliances; wherein, the voice signal filtering unit adopted by the utility model can filter high frequency signals, further improving the signal output quality; the signal amplification unit can enhance the voice signal and can timely shunt and buffer current fluctuation, so that the purpose of reducing the fluctuation intensity of signal current between two operational amplifiers connected to the output end is achieved, the anti-interference performance is improved, and the voice control precision is further improved.
The details of the present invention are well known to those skilled in the art.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. A household electrical appliance voice control system is characterized in that: including voice signal output module (1), voice signal filter unit (2), signal amplification unit (3), measurement unit (4), voice command receiving unit (5), voice signal output module (1) connects signal amplification unit (3) through voice signal filter unit (2), central processing unit (6) is connected in signal amplification unit (3), central processing unit (6) connect measurement unit (4), PLC controller (7) respectively, PLC controller (7) is connected in voice command receiving unit (5), domestic appliance controller (8) is connected in PLC controller (7).
2. A voice control system for a household appliance as claimed in claim 1, characterized in that: the voice signal filtering unit comprises a voltage reduction chip (9), a capacitor C (3b), a capacitor D (4b), a capacitor E (5b) and a capacitor F (6b), wherein the Vin end of the voltage reduction chip (9) is connected with one end of the capacitor C (3b) and one end of the capacitor D (4b) respectively, the Vout end is connected with one end of the capacitor E (5b) and one end of the capacitor F (6b) respectively, the GND end is grounded, and the other ends of the capacitor C (3b), the capacitor D (4b), the capacitor E (5b) and the capacitor F (6b) are grounded.
3. A voice control system for a household appliance as claimed in claim 1, characterized in that: the signal amplification unit comprises an operational amplifier A (1D) and an operational amplifier B (2D), wherein the positive electrode input end of the operational amplifier A (1D) is respectively connected with one end of a resistor D (4a) and one end of a resistor E (5a), the negative electrode input end of the operational amplifier A (1D) is respectively connected with one end of a resistor F (6a) and one end of a resistor G (7a), the output end of the operational amplifier A (1D) is respectively connected with the other end of the resistor G (7a), one end of a resistor H (8a) and one end of a resistor O (15a), the positive electrode input end of the operational amplifier B (2D) is grounded through a resistor I (9a), the negative electrode input end of the operational amplifier B (2D) is respectively connected with one end of a capacitor B (2B) and one end of a resistor J (10a), the other end of the capacitor B (2B) is connected with the other end of the resistor H (8a), resistance K (11a) other end connecting resistance L (12a) one end, triode B (2e) base is connected to resistance L (12a) other end, triode B (2e) projecting pole passes through resistance N (14a) ground connection, collecting electrode connecting resistance M (13a) one end, and inductance B (2C) one end is connected to resistance M (13a) other end, triode A (1e) base is connected to resistance O (15a) other end, triode A (1e) projecting pole passes through resistance C (3a) ground connection, collecting electrode connecting resistance B (2a) one end, and inductance A (1C) one end is connected to resistance B (2a) other end.
4. A voice control system for a household appliance as claimed in claim 1, characterized in that: the PLC controller employs an FX3G series controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020958861.1U CN212009364U (en) | 2020-05-29 | 2020-05-29 | Voice control system for household electrical appliance equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020958861.1U CN212009364U (en) | 2020-05-29 | 2020-05-29 | Voice control system for household electrical appliance equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212009364U true CN212009364U (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020958861.1U Expired - Fee Related CN212009364U (en) | 2020-05-29 | 2020-05-29 | Voice control system for household electrical appliance equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212009364U (en) |
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2020
- 2020-05-29 CN CN202020958861.1U patent/CN212009364U/en not_active Expired - Fee Related
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Granted publication date: 20201124 |
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| CF01 | Termination of patent right due to non-payment of annual fee |