Sound power amplifier frequency divider

Abstract

The utility model relates to the technical field of power amplifier frequency dividers, in particular to a sound power amplifier frequency divider, which comprises a low-frequency screen splitter assembly, a high-frequency screen splitter assembly and an intermediate-frequency screen splitter assembly, the low-frequency screen splitter assembly is electrically connected with the high-frequency screen splitter assembly, the high-frequency screen splitter assembly is electrically connected with the intermediate-frequency screen splitter assembly, and the intermediate-frequency screen splitter assembly is electrically connected with the high-frequency screen splitter assembly. The low-frequency screen splitting device assembly comprises a first substrate, a first inductor is installed on the right side of the top of the first substrate, and a first capacitor is fixedly connected to the center of the top of the first substrate. And the base is made of compressed wood, the parts are mounted on the compressed wood and are not easy to deform, and the shock pads are arranged between the parts and the base, so that the vibration of the parts is effectively reduced, and the sound quality of the equipment is favorably improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to power amplifier frequency divider technical field, concretely relates to sound power amplifier frequency divider. BACKGROUND

[0002] The power amplifier frequency divider, also known as loudspeaker frequency divider or audio frequency divider, is an electronic device, and its main function is to divide the input full-band audio signal into signals of multiple different frequency ranges, and then send them to the loudspeaker unit suitable for these frequency ranges.

[0003] The power amplifier frequency divider is high frequency, medium frequency and low frequency respectively, and different audio frequency dividers output different audio frequencies, and the existing technology is usually designed to install different audio frequency dividers on a PCB board, which cannot be used separately, and the existing power amplifier frequency dividers vibrate between the components and the substrate when in use, thereby affecting the sound quality. UTILITY MODEL CONTENT

[0004] The utility model aims to solve the above problems and provide a sound power amplifier frequency divider with simple structure and reasonable design.

[0005] The utility model realizes the above-mentioned purposes through the following technical solutions:

[0006] The sound power amplifier frequency divider comprises a low-frequency frequency divider assembly, a high-frequency frequency divider assembly and a medium-frequency frequency divider assembly, the low-frequency frequency divider assembly is electrically connected with the high-frequency frequency divider assembly, and the high-frequency frequency divider assembly is electrically connected with the medium-frequency frequency divider assembly.

[0007] The low-frequency frequency divider assembly comprises a first substrate, a first inductor is installed on the top right side of the first substrate, a first capacitor is fixedly connected to the top center of the first substrate, a seventh low-frequency terminal post and an eighth low-frequency terminal post connected in sequence through wires are installed on the top front side of the first substrate from right to left, a first low-frequency terminal post, a third low-frequency terminal post, a fourth low-frequency terminal post and a fifth low-frequency terminal post connected in sequence through wires are installed on the top rear side of the first substrate from right to left, a second low-frequency terminal post and a sixth low-frequency terminal post connected through a guide are installed on the top rear side of the first substrate close to the edge position, the positive and negative electrodes of the first inductor are electrically connected with the second low-frequency terminal post and the eighth low-frequency terminal post respectively, the positive and negative electrodes of the first capacitor are electrically connected with the fourth low-frequency terminal post and the seventh low-frequency terminal post respectively, and the bottom of the first inductor and the bottom of the first capacitor are provided with a silica rubber shock pad.

[0008] Preferably, the second low-frequency terminal post is connected with the positive electrode of the power supply, the first low-frequency terminal post is connected with the negative electrode of the power supply, and the seventh low-frequency terminal post is connected with the positive electrode of the low-frequency power amplifier unit.

[0009] Preferably, the high-frequency splitter assembly includes a second substrate, a third resistor, a second inductor, a second resistor and a first resistor are sequentially arranged from right to left in the middle of the top of the second substrate, a second capacitor is mounted on the front side of the top of the second substrate, and a twelfth high-frequency terminal, an eleventh high-frequency terminal and a tenth high-frequency terminal are sequentially arranged from right to left on the front side of the top of the second substrate, the positive and negative electrodes of the second capacitor are connected with the twelfth high-frequency terminal and the eleventh high-frequency terminal respectively, and the bottom of the third resistor, the second inductor, the second resistor, the first resistor and the second capacitor is provided with a silicone rubber shock pad.

[0010] Preferably, the first high-frequency terminal, the third high-frequency terminal, the fifth high-frequency terminal, the seventh high-frequency terminal and the ninth high-frequency terminal are sequentially connected by wires on the rear side of the top of the second substrate from right to left, and the second high-frequency terminal, the fourth high-frequency terminal, the sixth high-frequency terminal and the eighth high-frequency terminal are sequentially connected by wires on the rear side of the top of the second substrate close to the edge position from right to left, the twelfth high-frequency terminal and the first high-frequency terminal are connected with the positive and negative electrodes of the third resistor respectively, the positive and negative electrodes of the second inductor are electrically connected with the eleventh high-frequency terminal and the third high-frequency terminal respectively, the eleventh high-frequency terminal and the fifth high-frequency terminal are connected by wires, the positive and negative electrodes of the second resistor are connected with the fifth high-frequency terminal and the tenth high-frequency terminal respectively, the positive and negative electrodes of the first resistor are connected with the seventh high-frequency terminal and the tenth high-frequency terminal respectively, the fifth low-frequency terminal and the first high-frequency terminal are connected by a bridging jumper, the sixth low-frequency terminal and the second high-frequency terminal are connected by a bridging jumper, the third high-frequency terminal is electrically connected with the positive electrode of the high-frequency power amplifier unit, and the tenth high-frequency terminal is electrically connected with the negative electrode of the high-frequency power amplifier unit.

[0011] Preferably, the intermediate-frequency splitter assembly includes a third substrate, a third capacitor, a third inductor and a fourth resistor are sequentially arranged from right to left in the middle of the top of the third substrate, and the bottom of the third capacitor, the third inductor and the fourth resistor is mounted with a silicone rubber shock pad, a first intermediate-frequency terminal, a second intermediate-frequency terminal and a third intermediate-frequency terminal are sequentially arranged from right to left on the rear side of the top of the third substrate, the first intermediate-frequency terminal and the ninth high-frequency terminal are connected by a bridging jumper, and the second intermediate-frequency terminal and the eighth high-frequency terminal are connected by a bridging jumper.

[0012] Preferably, the sixth intermediate-frequency terminal, the fifth intermediate-frequency terminal and the fourth intermediate-frequency terminal are sequentially arranged from right to left on the front side of the top of the third substrate, the positive and negative electrodes of the third capacitor are connected with the second intermediate-frequency terminal and the sixth intermediate-frequency terminal respectively, the positive and negative electrodes of the third inductor are connected with the third intermediate-frequency terminal and the fifth intermediate-frequency terminal respectively, and the positive and negative electrodes of the fourth resistor are connected with the third intermediate-frequency terminal and the fourth intermediate-frequency terminal respectively.

[0013] Preferably, the first intermediate frequency terminal is electrically connected with a negative pole of an intermediate frequency power amplifier unit, and the fourth intermediate frequency terminal is electrically connected with a positive pole of the intermediate frequency power amplifier unit.

[0014] The utility model discloses the beneficial effect lies in: the utility model discloses the intermediate frequency, high frequency and low frequency adopt the split type design, utilize the bridge jumper wire and connect three whole, compared with the design of integration on a PCB board, can carry out independent installation replacement, use more flexible, and the base adopts compression wood, and the part is installed on the compression wood, and deformation is not easy, and the shock pad is arranged between the part and the base, effectively reduce the vibration of the part, improve the sound quality of equipment. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure stereoscopic first visual angle schematic diagram of the utility model;

[0016] Figure 2 It is the whole structure stereoscopic second visual angle schematic diagram of the utility model;

[0017] Figure 3 It is the whole structure plan view of the utility model.

[0018] In the drawing: 1, low frequency screen divider assembly;101, first inductance;102, first low frequency terminal;103, second low frequency terminal;104, third low frequency terminal;105, fourth low frequency terminal;106, fifth low frequency terminal;107, sixth low frequency terminal;108, first capacitance;109, seventh low frequency terminal;110, eighth low frequency terminal;111, first base plate;2, high frequency screen divider assembly;201, first high frequency terminal;202, second high frequency terminal;203, third high frequency terminal;204, second inductance;205, fourth high frequency terminal;206, fifth high frequency terminal;207, sixth high frequency terminal;208, seventh high frequency terminal;209, eighth high frequency terminal;210, ninth high frequency terminal;211, tenth high frequency terminal;212, first resistance;213, second resistance;214, eleventh high frequency terminal;215, second capacitance;216, twelfth high frequency terminal;217, third resistance;218, second base plate;3, intermediate frequency screen divider assembly;301, first intermediate frequency terminal;302, second intermediate frequency terminal;303, third inductance;304, third intermediate frequency terminal;305, fourth resistance;306, fourth intermediate frequency terminal;307, fifth intermediate frequency terminal;308, sixth intermediate frequency terminal;309, third capacitance;310, third base plate. DETAILED DESCRIPTION

[0019] The application will be further described in detail below with reference to the drawings. It is necessary to point out here that the following specific embodiments are only used to further illustrate the application and cannot be understood as limiting the scope of protection of the application, and the skilled in the art can make some non-essential improvements and adjustments to the application according to the above application content.

[0020] Embodiment

[0021] Please refer to Figure 1 , the sound frequency divider includes low frequency divider assembly 1, high frequency divider assembly 2 and intermediate frequency divider assembly 3, low frequency divider assembly 1 and high frequency divider assembly component 2 are electrically connected, and high frequency divider assembly component 2 and intermediate frequency divider assembly 3 are electrically connected, the low frequency divider assembly 1, high frequency divider assembly 2 and intermediate frequency divider assembly 3 of the utility model are bridged through jumper, compared with the mode of being integrated on the PCB, can be replaced and installed individually.

[0022] Please refer to Figure 1 And Figure 2 , the low frequency divider assembly 1 includes first substrate 111, the first inductance 101 is installed on the top right side of the first substrate 111, and the first capacitor 108 is fixedly connected to the top center of the first substrate 111, the seventh low frequency terminal post 109 and the eighth low frequency terminal post 110 are installed on the top front side of the first substrate 111 from right to left and are connected in sequence through wires, and the first low frequency terminal post 102, the third low frequency terminal post 104, the fourth low frequency terminal post 105 and the fifth low frequency terminal post 106 are installed on the top rear side of the first substrate 111 from right to left and are connected in sequence through wires, and the second low frequency terminal post 103 and the sixth low frequency terminal post 107 are installed on the top rear side of the first substrate 111 near the edge position and are connected in sequence through wires, the positive and negative poles of the first inductance 101 are electrically connected with the second low frequency terminal post 103 and the eighth low frequency terminal post 110 respectively, the positive and negative poles of the first capacitor 108 are electrically connected with the fourth low frequency terminal post 105 and the seventh low frequency terminal post 109 respectively, the bottom of the first inductance 101 and the first capacitor 108 is provided with a silica rubber shock pad, the second low frequency terminal post 103 is connected with the positive pole of the power supply, the first low frequency terminal post 102 is connected with the negative pole of the power supply, and the seventh low frequency terminal post 109 is connected with the positive pole of the low frequency power amplifier unit.

[0023] When the low frequency divider assembly 1 is used, the current enters the first inductance 101 and the first capacitor 108 connected in parallel with the first inductance 101 after being output from the power supply, then enters the low frequency power amplifier unit through the first low frequency terminal post 102 and the seventh low frequency terminal post 109, and then the low frequency power amplifier unit emits low frequency sound quality, the bottom of the first inductance 101 and the first capacitor 108 is provided with a silica rubber shock pad, which first reduces the vibration of the parts in the equipment, effectively improving the sound quality of the equipment.

[0024] Please refer to Figure 1 and Figure 2 The high-frequency splitter assembly 2 comprises a second substrate 218, the middle top of which is sequentially provided with a third resistor 217, a second inductor 204, a second resistor 213 and a first resistor 212 from right to left, and the front top of the second substrate 218 is provided with a second capacitor 215, and the front top of the second substrate 218 is sequentially provided with a twelfth high-frequency terminal post 216, an eleventh high-frequency terminal post 214 and a tenth high-frequency terminal post 211 from right to left, the positive and negative electrodes of the second capacitor 215 are connected with the twelfth high-frequency terminal post 216 and the eleventh high-frequency terminal post 214 respectively, the bottom of the third resistor 217, the second inductor 204, the second resistor 213, the first resistor 212 and the second capacitor 215 is provided with a silicone rubber shock pad, the top back of the second substrate 218 is sequentially provided with a first high-frequency terminal post 201, a third high-frequency terminal post 203, a fifth high-frequency terminal post 206, a seventh high-frequency terminal post 208 and a ninth high-frequency terminal post 210 from right to left through wires, and the top back of the second substrate 218 is sequentially provided with a second high-frequency terminal post 202, a fourth high-frequency terminal post 205, a sixth high-frequency terminal post 207 and an eighth high-frequency terminal post 209 from right to left through wires, the twelfth high-frequency terminal post 216 and the first high-frequency terminal post 201 are connected with the positive and negative electrodes of the third resistor 217 respectively, the positive and negative electrodes of the second inductor 204 are electrically connected with the eleventh high-frequency terminal post 214 and the third high-frequency terminal post 203 respectively, the eleventh high-frequency terminal post 214 and the fifth high-frequency terminal post 206 are connected through wires, the positive and negative electrodes of the second resistor 213 are connected with the fifth high-frequency terminal post 206 and the tenth high-frequency terminal post 211 respectively, the positive and negative electrodes of the first resistor 212 are connected with the seventh high-frequency terminal post 208 and the tenth high-frequency terminal post 211 respectively, the fifth low-frequency terminal post 106 and the first high-frequency terminal post 201 are connected through a bridging jumper, the sixth low-frequency terminal post 107 and the second high-frequency terminal post 202 are connected through a bridging jumper, the third high-frequency terminal post 203 is electrically connected with the positive electrode of the high-frequency power amplifier unit, and the tenth high-frequency terminal post 211 is electrically connected with the negative electrode of the high-frequency power amplifier unit.

[0025] The current from the fifth low-frequency binding post 106 and the sixth low-frequency binding post 107 on the low-frequency splitter assembly 1 enters the first high-frequency binding post 201 and the second high-frequency binding post 202 through the bridge jumper, then enters the third resistor 217, and then enters the second inductor 204, then enters the second capacitor 215, and then enters the second resistor 213 and the first resistor 212, and then enters the high-frequency power amplifier unit through the third high-frequency binding post 203 and the tenth high-frequency binding post 211, the high-frequency power amplifier unit emits high-frequency sound, and the bottom of the third resistor 217, the second inductor 204, the second capacitor 215, the second resistor 213 and the first resistor 212 is provided with a silica rubber shock pad, which is helpful to reduce the vibration of the parts and improve the sound effect.

[0026] Please refer to Figure 2 and Figure 3 , the intermediate frequency splitter assembly 3 comprises a third substrate 310, the top of the third substrate 310 is provided with a third capacitor 309, a third inductor 303 and a fourth resistor 305 from right to left in sequence, and the bottom of the third capacitor 309, the third inductor 303 and the fourth resistor 305 is provided with a silica rubber shock pad, the top of the third substrate 310 is provided with a first intermediate frequency binding post 301, a second intermediate frequency binding post 302 and a third intermediate frequency binding post 304 from right to left in sequence, the first intermediate frequency binding post 301 is connected with the ninth high-frequency binding post 210 through the bridge jumper, the second intermediate frequency binding post 302 is connected with the eighth high-frequency binding post 209 through the bridge jumper, the top of the third substrate 310 is provided with a sixth intermediate frequency binding post 308, a fifth intermediate frequency binding post 307 and a fourth intermediate frequency binding post 306 from right to left in sequence, the positive and negative electrodes of the third capacitor 309 are connected with the second intermediate frequency binding post 302 and the sixth intermediate frequency binding post 308 respectively, the positive and negative electrodes of the third inductor 303 are connected with the third intermediate frequency binding post 304 and the fifth intermediate frequency binding post 307 respectively, the positive and negative electrodes of the fourth resistor 305 are connected with the third intermediate frequency binding post 304 and the fourth intermediate frequency binding post 306 respectively, the first intermediate frequency binding post 301 is electrically connected with the negative electrode of the intermediate frequency power amplifier unit, and the fourth intermediate frequency binding post 306 is electrically connected with the positive electrode of the intermediate frequency power amplifier unit.

[0027] The current from the eighth high-frequency binding post 209 and the ninth high-frequency binding post 210 in the high-frequency splitter assembly 2 enters the second intermediate frequency binding post 302 and the first intermediate frequency binding post 301 through the bridge jumper, then enters the third capacitor 309 and then enters the third inductor 303, then enters the fourth resistor 305, then enters the intermediate frequency power amplifier unit through the first intermediate frequency binding post 301 and the fourth intermediate frequency binding post 306, the intermediate frequency power amplifier unit emits a medium tone, and the bottom of the third capacitor 309, the third inductor 303 and the fourth resistor 305 is provided with a silica rubber shock pad, which is helpful to reduce the vibration of the parts and improve the sound quality.

[0028] It should be noted that the audio amplifier frequency divider, in use, first utilizes the bridge jumper to connect the low frequency divider assembly 1, the high frequency divider assembly 2 and the intermediate frequency divider assembly 3 into a whole, the low frequency divider assembly 1, the high frequency divider assembly 2 and the intermediate frequency divider assembly 3 are independent of each other, adopt a split type design, can be replaced individually, are practical, and current enters the low frequency divider assembly 1 from the power supply output, at this time the low frequency power amplifier unit issues low frequency sound quality, then enters the high frequency divider assembly 2 through the bridge jumper, then the high frequency power amplifier unit issues high frequency sound, and then the current enters the intermediate frequency divider assembly 3 through the bridge jumper, and then the intermediate frequency power amplifier unit issues intermediate frequency sound.

[0029] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but it cannot be understood as the limitation of the utility model patent scope. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection scope of the utility model.

Claims

1. An audio power amplifier frequency divider, comprising a low-frequency screen divider component (1), a high-frequency screen divider component (2) and an intermediate-frequency screen divider component (3), characterized in that: The low-frequency screen splitter component (1) is electrically connected to the high-frequency screen splitter component (2), and the high-frequency screen splitter component (2) is electrically connected to the medium-frequency screen splitter component (3); The low-frequency screen splitter assembly (1) comprises a first substrate (111), a first inductor (101) is mounted on the right side of the top of the first substrate (111), and a first capacitor (108) is fixedly connected to the center of the top of the first substrate (111), a seventh low-frequency binding post (109) and an eighth low-frequency binding post (110) are mounted on the front side of the top of the first substrate (111) from right to left, and a first low-frequency binding post (102), a third low-frequency binding post (104) and a fourth low-frequency binding post are mounted on the rear side of the top of the first substrate (111) from right to left, which are connected in sequence through wires. (105) and the fifth low-frequency binding post (106), and the second low-frequency binding post (103) and the sixth low-frequency binding post (107) connected by guides are installed near the edge of the top rear side of the first substrate (111), the positive and negative poles of the first inductor (101) are electrically connected to the second low-frequency binding post (103) and the eighth low-frequency binding post (110) respectively, the positive and negative poles of the first capacitor (108) are electrically connected to the fourth low-frequency binding post (105) and the seventh low-frequency binding post (109) respectively, and the bottoms of the first inductor (101) and the first capacitor (108) are both provided with silicone rubber shock-absorbing pads.

2. The audio power amplifier crossover according to claim 1, characterized in that: The second low-frequency binding post (103) is connected to the positive pole of the power supply, the first low-frequency binding post (102) is connected to the negative pole of the power supply, and the seventh low-frequency binding post (109) is connected to the positive pole of the low-frequency power amplifier unit.

3. The audio power amplifier crossover according to claim 1, characterized in that: The high-frequency screen splitter assembly (2) comprises a second substrate (218), wherein a third resistor (217), a second inductor (204), a second resistor (213) and a first resistor (212) are sequentially arranged on the top middle portion of the second substrate (218) from right to left, and a second capacitor (215) is installed on the top front side of the second substrate (218), and a twelfth high-frequency binding post (216), an eleventh high-frequency binding post (214) and a tenth high-frequency binding post (211) are sequentially arranged on the top front side of the second substrate (218) from right to left, the positive and negative electrodes of the second capacitor (215) are respectively connected to the twelfth high-frequency binding post (216) and the eleventh high-frequency binding post (214), and the bottoms of the third resistor (217), the second inductor (204), the second resistor (213), the first resistor (212) and the second capacitor (215) are all provided with silicone rubber shock-absorbing pads.

4. The audio power amplifier frequency divider according to claim 3, characterized in that: The top rear side of the second substrate (218) is provided with a first high-frequency binding post (201), a third high-frequency binding post (203), a fifth high-frequency binding post (206), a seventh high-frequency binding post (208) and a ninth high-frequency binding post (210) connected in sequence by wires from right to left, and the top rear side of the second substrate (218) is provided with a second high-frequency binding post (202), a fourth high-frequency binding post (205), a sixth high-frequency binding post (207) and an eighth high-frequency binding post (209) connected in sequence by wires from right to left near the edge, the twelfth high-frequency binding post (216) and the first high-frequency binding post (201) are respectively connected to the positive and negative poles of the third resistor (217), and the positive and negative poles of the second inductor (204) are respectively connected to the eleventh high-frequency binding post (214) and the eighth high-frequency binding post (209). The third high-frequency binding post (203) is electrically connected, the eleventh high-frequency binding post (214) and the fifth high-frequency binding post (206) are connected via a wire, the positive and negative poles of the second resistor (213) are respectively connected to the fifth high-frequency binding post (206) and the tenth high-frequency binding post (211), the positive and negative poles of the first resistor (212) are respectively connected to the seventh high-frequency binding post (208) and the tenth high-frequency binding post (211), the fifth low-frequency binding post (106) and the first high-frequency binding post (201) are connected via a bridge jumper, the sixth low-frequency binding post (107) and the second high-frequency binding post (202) are connected via a bridge jumper, the third high-frequency binding post (203) is electrically connected to the positive pole of the high-frequency power amplifier unit, and the tenth high-frequency binding post (211) is electrically connected to the negative pole of the high-frequency power amplifier unit.

5. The audio power amplifier frequency divider according to claim 4, characterized in that: The intermediate frequency screen splitter component (3) comprises a third substrate (310), wherein a third capacitor (309), a third inductor (303) and a fourth resistor (305) are sequentially arranged on the top middle portion of the third substrate (310) from right to left, and silicone rubber shock-absorbing pads are installed on the bottoms of the third capacitor (309), the third inductor (303) and the fourth resistor (305). A first intermediate frequency binding post (301), a second intermediate frequency binding post (302) and a third intermediate frequency binding post (304) are sequentially arranged on the top rear side of the third substrate (310) from right to left. The first intermediate frequency binding post (301) and the ninth high frequency binding post (210) are connected via a bridge jumper, and the second intermediate frequency binding post (302) and the eighth high frequency binding post (209) are connected via a bridge jumper.

6. The audio power amplifier crossover according to claim 5, characterized in that: The front side of the top of the third substrate (310) is provided with a sixth intermediate frequency terminal (308), a fifth intermediate frequency terminal (307) and a fourth intermediate frequency terminal (306) in sequence from right to left; the positive and negative poles of the third capacitor (309) are respectively connected to the second intermediate frequency terminal (302) and the sixth intermediate frequency terminal (308); the positive and negative poles of the third inductor (303) are respectively connected to the third intermediate frequency terminal (304) and the fifth intermediate frequency terminal (307); and the positive and negative poles of the fourth resistor (305) are respectively connected to the third intermediate frequency terminal (304) and the fourth intermediate frequency terminal (306).

7. The audio power amplifier crossover according to claim 6, characterized in that: The first intermediate frequency binding post (301) is electrically connected to the negative pole of the intermediate frequency power amplifier unit, and the fourth intermediate frequency binding post (306) is electrically connected to the positive pole of the intermediate frequency power amplifier unit.

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