CN219499523U - Sound box capable of adjusting color and frequency - Google Patents
Sound box capable of adjusting color and frequency Download PDFInfo
- Publication number
- CN219499523U CN219499523U CN202320308955.8U CN202320308955U CN219499523U CN 219499523 U CN219499523 U CN 219499523U CN 202320308955 U CN202320308955 U CN 202320308955U CN 219499523 U CN219499523 U CN 219499523U
- Authority
- CN
- China
- Prior art keywords
- resistor
- frequency
- gear switch
- tweeter
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Circuit For Audible Band Transducer (AREA)
Abstract
The utility model discloses a color-tunable frequency division control sound box, wherein a frequency divider control board is provided with a high-frequency gear switch and a medium-frequency gear switch, the high-frequency gear switch is in butt joint with a control circuit of a tweeter, and the medium-frequency gear switch is in butt joint with the control circuit of the tweeter; the control circuit of the tweeter is provided with three resistors with different resistance values and adopting a parallel structure, and the high-frequency gear switch is selectively connected with any one resistor to realize frequency division control of the tweeter; the control circuit of the midrange horn is provided with three other resistors with different resistance values and adopting a parallel structure, and the intermediate frequency gear switch is selectively connected with any one resistor to realize frequency division control of the midrange horn. The sound box can emit different tone colors when being adjusted to different gears, so that the same sound box can have a plurality of different tone colors, and the overall tone quality can be kept without deterioration. The tone color adjusting device is simple in structure, flexible and smart in tone color adjusting, and simple to operate.
Description
Technical Field
The utility model relates to the technical field of sound products, in particular to a tone-adjustable sound.
Background
The number of the five flowers and eight doors of the sound products on the market at present is not the same, and the audiovisual demands of different users are different, so that the fixed tone of the common sound is difficult to meet the increasingly high demands of people. Most of the sound devices in the market at present only have a frequency divider matched with a system, so that each sound device can be fixed in the tone of the sound device, and the tone of the sound device is single and unchanged. If the user buys a sound with a tone that he or she does not like, he or she may be dissatisfied with. Although sound with adjustable tone color has been invented at present, the structure of the sound is complex and the cost is high.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the tone-adjustable frequency division control sound which has the advantages of simple structure, low cost, flexibility and ingenious property and can have various different tone colors.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a but tuning frequency division control stereo set, this stereo set is including divider control panel, tweeter, midrange loudspeaker, woofer, and the divider control panel has divider circuit, its characterized in that: a high-frequency gear switch K1 and an intermediate-frequency gear switch K2 are arranged on the frequency divider control board, the high-frequency gear switch K1 is connected with a control circuit of the tweeter in a butt joint mode, and the intermediate-frequency gear switch K2 is connected with a control circuit of the tweeter in a butt joint mode; the control circuit of the tweeter is provided with a resistor R1, a resistor R2 and a resistor R3 which have different resistance values and adopt a parallel structure, and the high-frequency gear switch K1 is switched and connected with any one of the resistor R1, the resistor R2 and the resistor R3 in a selective mode to realize frequency division control of the tweeter; the control circuit of the midrange horn is provided with a resistor R5, a resistor R6 and a resistor R7 which are different in resistance and adopt parallel structures, and the midrange gear switch K2 is switched and connected with any one of the resistor R5, the resistor R6 and the resistor R7 in a selective mode to realize frequency division control of the midrange horn.
Preferably, the resistances of the resistor R1 and the resistor R5 are 1.8Ω, the resistance of the resistor R2 is 2.7Ω, the resistance of the resistor R3 is 3.3Ω, the resistance of the resistor R6 is 2.2Ω, and the resistance of the resistor R7 is 2.7Ω.
A filter circuit composed of an inductance L1 and a capacitance C2 is provided before the tweeter, and the capacitance C1 is provided between the filter circuit and the resistors R1, R2, and R3.
A filter circuit consisting of an inductor L3 and a capacitor C4 is arranged in front of the midrange horn, the capacitor C3 is arranged between the filter circuit and a resistor R5, a resistor R6 and a resistor R7, a resistor R8 and a resistor R9 which are connected in parallel are arranged between the filter circuit and the midrange horn, an inductor L2 is connected between the capacitor C3 and the inductor L3, and the other end of the inductor L2 is connected with the negative electrode of the circuit.
Preferably, the high-frequency gear switch K1 and the medium-frequency gear switch K2 are single-pole three-throw switches.
The utility model adds a tone frequency division structure in the middle-high tone frequency division circuit, and adjusts to different gear positions to emit different tone colors, so that the same sound can have a plurality of different tone colors, the integral tone quality can be kept without deterioration, and the guest user can enjoy the music suitable for own tone color. Compared with the traditional sound equipment, the device has the advantages of simple structure, flexibility and ingenious performance in tone color adjustment, simplicity in operation, high-grade novelty and capability of greatly improving the satisfaction degree of consumers.
Drawings
FIG. 1 is a schematic diagram of an acoustic structure according to the present utility model;
FIG. 2 is a schematic diagram of a frequency divider circuit according to the present utility model;
FIG. 3 is a graph of the spectrum corresponding to a high frequency gear;
fig. 4 is a spectrum graph corresponding to the intermediate frequency range.
In the figure, 1 is a frequency divider control board, K1 is a high-frequency gear switch, K2 is an intermediate-frequency gear switch, 2 is a tweeter, 3 is a midrange, and 4 is a woofer.
Detailed Description
In this embodiment, referring to fig. 1-4, the color-tunable frequency-division control sound box includes a frequency divider control board 1, a tweeter 2 (HF/TW), a midrange 3 (HF/MD), a woofer 4 (LF/WF), an inverter tube, etc., where the frequency divider control board 1 has a frequency divider circuit, a high-frequency gear switch K1 and an intermediate-frequency gear switch K2 are disposed on the frequency divider control board 1, the high-frequency gear switch K1 is connected to a control circuit of the tweeter, and the intermediate-frequency gear switch K2 is connected to a control circuit of the midrange; the control circuit of the tweeter is provided with a resistor R1, a resistor R2 and a resistor R3 which have different resistance values and adopt a parallel structure, and the high-frequency gear switch K1 is switched and connected with any one of the resistor R1, the resistor R2 and the resistor R3 in a selective mode to realize frequency division control of the tweeter; the control circuit of the midrange horn is provided with a resistor R5, a resistor R6 and a resistor R7 which are different in resistance and adopt parallel structures, and the midrange gear switch K2 is switched and connected with any one of the resistor R5, the resistor R6 and the resistor R7 in a selective mode to realize frequency division control of the midrange horn.
The resistance of the resistor R1 and the resistor R5 is 1.8Ω, the resistance of the resistor R2 is 2.7Ω, the resistance of the resistor R3 is 3.3Ω, the resistance of the resistor R6 is 2.2Ω, and the resistance of the resistor R7 is 2.7Ω.
A filter circuit composed of an inductance L1 and a capacitance C2 is provided before the tweeter, and the capacitance C1 is provided between the filter circuit and the resistors R1, R2, and R3.
A filter circuit consisting of an inductor L3 and a capacitor C4 is arranged in front of the midrange horn, the capacitor C3 is arranged between the filter circuit and a resistor R5, a resistor R6 and a resistor R7, a resistor R8 and a resistor R9 which are connected in parallel are arranged between the filter circuit and the midrange horn, an inductor L2 is connected between the capacitor C3 and the inductor L3, and the other end of the inductor L2 is connected with the negative electrode of the circuit.
The high-frequency gear switch K1 and the medium-frequency gear switch K2 are single-pole three-throw switches.
The high-frequency gear switch K1 can control three different gears of high frequency up, down and up, and can be connected to three positions R1, R2 and R3 respectively. When the high-frequency gear switch K1 is driven to R1, the frequencies 6K to 20K of the high-frequency band are raised by +1db, and the high-pitched sound of the sound system is particularly plump and resistant to hearing; when the high-frequency gear switch K1 is switched to R2, the frequencies 6K to 20K of the high frequency range are not increased or attenuated; when the high-frequency gear switch K1 is driven to R3, frequencies 6K to 20K of the high-frequency band are attenuated by-1 db, and at the moment, high tones of the sound system are not sharp and harsher, so that three different high-frequency division circuits are obtained, tone colors of the upper, middle and lower three kinds of the high-frequency band are different, and the effectiveness of the high-frequency division circuit can be proved by a spectrogram shown in FIG. 3.
The intermediate frequency gear switch K2 can control three different gears of intermediate frequency up, down, and can be connected to three positions of R5, R6 and R7 respectively. When the intermediate frequency gear switch K2 is switched to R5, the frequencies 2K to 6K of the intermediate frequency range are increased by +1db, and the intermediate sound of the sound system is brighter and clearer; when the intermediate frequency gear switch K2 is switched to R6, the frequencies 2K to 6K of the intermediate frequency range are not increased or attenuated; when the intermediate frequency gear switch K2 is driven to R7, the frequencies 2K to 6K of the intermediate frequency range have attenuation of-1 db, and at the moment, the intermediate sound of the sound system is low in sound, so that three different high-frequency dividing circuits are obtained, the tone colors of the upper, middle and lower three types of intermediate frequency ranges can be different, and the effectiveness of the frequency spectrum can be proved by a frequency spectrum diagram shown in FIG. 4.
The foregoing detailed description of the utility model has been presented for purposes of illustration and description, but is not intended to limit the scope of the utility model, i.e., the utility model is not limited to the details shown and described.
Claims (5)
1. The utility model provides a but tuning frequency division control stereo set, this stereo set is including divider control panel, tweeter, midrange loudspeaker, woofer, and the divider control panel has divider circuit, its characterized in that: a high-frequency gear switch K1 and an intermediate-frequency gear switch K2 are arranged on the frequency divider control board, the high-frequency gear switch K1 is connected with a control circuit of the tweeter in a butt joint mode, and the intermediate-frequency gear switch K2 is connected with a control circuit of the tweeter in a butt joint mode; the control circuit of the tweeter is provided with a resistor R1, a resistor R2 and a resistor R3 which have different resistance values and adopt a parallel structure, and the high-frequency gear switch K1 is switched and connected with any one of the resistor R1, the resistor R2 and the resistor R3 in a selective mode to realize frequency division control of the tweeter; the control circuit of the midrange horn is provided with a resistor R5, a resistor R6 and a resistor R7 which are different in resistance and adopt parallel structures, and the midrange gear switch K2 is switched and connected with any one of the resistor R5, the resistor R6 and the resistor R7 in a selective mode to realize frequency division control of the midrange horn.
2. The color tunable crossover control sound of claim 1, wherein: the resistance of the resistor R1 and the resistor R5 is 1.8Ω, the resistance of the resistor R2 is 2.7Ω, the resistance of the resistor R3 is 3.3Ω, the resistance of the resistor R6 is 2.2Ω, and the resistance of the resistor R7 is 2.7Ω.
3. The color tunable crossover control sound of claim 1, wherein: a filter circuit composed of an inductance L1 and a capacitance C2 is provided before the tweeter, and the capacitance C1 is provided between the filter circuit and the resistors R1, R2, and R3.
4. The color tunable crossover control sound of claim 1, wherein: a filter circuit consisting of an inductor L3 and a capacitor C4 is arranged in front of the midrange horn, the capacitor C3 is arranged between the filter circuit and a resistor R5, a resistor R6 and a resistor R7, a resistor R8 and a resistor R9 which are connected in parallel are arranged between the filter circuit and the midrange horn, an inductor L2 is connected between the capacitor C3 and the inductor L3, and the other end of the inductor L2 is connected with the negative electrode of the circuit.
5. The color tunable crossover control sound of claim 1, wherein: the high-frequency gear switch K1 and the medium-frequency gear switch K2 are single-pole three-throw switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320308955.8U CN219499523U (en) | 2023-02-22 | 2023-02-22 | Sound box capable of adjusting color and frequency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320308955.8U CN219499523U (en) | 2023-02-22 | 2023-02-22 | Sound box capable of adjusting color and frequency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219499523U true CN219499523U (en) | 2023-08-08 |
Family
ID=87479397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320308955.8U Active CN219499523U (en) | 2023-02-22 | 2023-02-22 | Sound box capable of adjusting color and frequency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219499523U (en) |
-
2023
- 2023-02-22 CN CN202320308955.8U patent/CN219499523U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4243021B2 (en) | Crossover network without capacitors for electroacoustic speakers | |
| US20040131206A1 (en) | User selectable sound enhancement feature | |
| CN104935742B (en) | Communication terminal and the method for improving its tonequality under handset mode | |
| CN1376013A (en) | Audio-frequency circular sound power management switchover | |
| CN110874203A (en) | Screen sounding controller, method, device, terminal and storage medium | |
| CN101232744A (en) | Method and device for multi sound source sharing audio power amplifier | |
| Equipment | System | |
| CN105208494B (en) | A kind of three-in-one audio devices | |
| CN103841241A (en) | Volume adjusting method and apparatus | |
| CN219499523U (en) | Sound box capable of adjusting color and frequency | |
| US20180159491A1 (en) | Narrowing Audio Filter Transition Band | |
| CN207603866U (en) | A kind of double working modes bluetooth headset Dolby circuit and bluetooth headset | |
| WO1996036111A1 (en) | Audio crossover circuit | |
| CN109449556A (en) | The double notch resonators of mixed microstrip line/co-planar waveguide, trapper and electronic equipment | |
| US5533135A (en) | Crossover system | |
| US8483407B2 (en) | Noise reducing circuit | |
| CN205039957U (en) | Earphone and audio switching circuit thereof | |
| US6707919B2 (en) | Driver control circuit | |
| CN204993745U (en) | Earphone of adjustable tone quality | |
| CN208285495U (en) | A kind of earphone | |
| JPH079451Y2 (en) | Spectral display graphic equalizer | |
| CN202475714U (en) | Wireless headsets | |
| CN214591933U (en) | Novel improved structure of earphone capable of automatically tuning | |
| CN219351893U (en) | Passive loudspeaker box high-pitch lifting switch circuit | |
| CN219612009U (en) | Speaker frequency adjusting circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |