CN209462270U - A kind of adapter of porous output - Google Patents
A kind of adapter of porous output Download PDFInfo
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- CN209462270U CN209462270U CN201920414075.2U CN201920414075U CN209462270U CN 209462270 U CN209462270 U CN 209462270U CN 201920414075 U CN201920414075 U CN 201920414075U CN 209462270 U CN209462270 U CN 209462270U
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Abstract
The utility model relates to a kind of adapters of porous output, including shell, are set in the housing the circuit board in portion, input interface and multiple output interfaces on shell；The circuit board bearing has control circuit；The control circuit includes governor circuit, the input circuit set on the input terminal of governor circuit and several output circuits set on governor circuit output end；Input circuit includes the anti-clutter circuit, input rectification circuit and input filter circuit for being sequentially arranged in governor circuit input terminal, and the output circuit includes the output rectification circuit for being sequentially arranged in governor circuit output end, output filter circuit；The output filter circuit is connect with output interface；The anti-clutter circuit is connect with input interface；Transformer T1 is equipped between the governor circuit and output circuit.The adapter of this porous output can reduce wiring, so that performance scene is more succinct, facilitate the various musical instruments of management.
Description
Technical field
The utility model relates to musical instruments, more specifically refer to a kind of adapter of porous output.
Background technique
With the development of electronic product, electronic musical instrument is also increasingly welcomed by the general public.In performance, it is often necessary to use
To multiple electronic musical instruments, each electronic musical instrument will be connected to power supply, if electronic musical instrument is more, each electronic musical instrument is configured
One power supply adaptor, power supply adaptor will be more and more, it is in disorder often to will lead to performance scene, it is not easy to manage.
Utility model content
The purpose of the utility model is to overcome the defects of the prior art, provide a kind of adapter of porous output.
To achieve the above object, the utility model uses following technical scheme:
A kind of adapter of porous output, including shell, are set in the housing the circuit board in portion, the input on shell connects
Mouth and multiple output interfaces；The circuit board bearing has control circuit；The control circuit includes governor circuit, is set to master control electricity
The input circuit of the input terminal on road and several output circuits set on governor circuit output end；Input circuit includes being sequentially arranged in
Anti-clutter circuit, input rectification circuit and the input filter circuit of governor circuit input terminal, the output circuit include successively setting
In the output rectification circuit of governor circuit output end, output filter circuit；The output filter circuit is connect with output interface；Institute
Anti-clutter circuit is stated to connect with input interface；Transformer T1 is equipped between the governor circuit and output circuit.
Its further technical solution are as follows: the governor circuit includes main control chip U2, model PN8366M；The master
Control chip U2 end feet DRAIN is connect with input circuit, and end feet CS is grounded by resistance R9, and end feet INV passes through capacitor C11, resistance
It being grounded after R10 is in parallel, end feet COMP is grounded by capacitor C12, and end feet VDD is grounded by capacitor C13, meanwhile, end feet INV passes through
Resistance R7 is connect with the switch transformer EE13 being equipped with, and end feet VDD is connect by diode D3 with switch transformer EE13,
In, the anode of diode D3 is connect with end feet VDD.
Its further technical solution are as follows: the main control chip U2 end feet DRAIN is connect with the input end-coil of transformer T1,
And there is negative peak absorbing circuit with the input terminal coils from parallel connection of coils of input transformer T1；The negative peak absorbing circuit includes resistance R5, electricity
Hold C5, resistance R6 and diode D2；Series circuit, and diode are formed after the resistance R5, capacitor C5 are in parallel with resistance R6
The cathode of D2 is connected to the output end of series circuit.
Its further technical solution are as follows: the input terminal of the transformer T1 is connect with input filter circuit；The input filter
Wave circuit includes capacitor C1, C2, C3, C4, and wherein capacitor C1, C2, C3, C4 other end is grounded.
Its further technical solution are as follows: the input terminal of the input filter circuit is connect with input rectification circuit output end；
The input rectification circuit includes for the bridge heap to AC rectification.
Its further technical solution are as follows: the defeated outlet of the input rectification circuit input terminal and anti-clutter circuit connects；
The anti-clutter circuit includes common mode inductance L3, common mode inductance L2, capacitor CX1, resistance R1, R2, R3, R4；Wherein, common mode inductance
L3 is connect with external circuit, and capacitor CX1 is connected to bis- output ends of common mode inductance L3, is connected to common mode after resistance R2, R4 series connection
Bis- output ends of inductance L3 are connected to bis- output ends of common mode inductance L3, common mode inductance L2 and common mode electricity after resistance R1, R3 series connection
Feel L3 series connection.The effect that anti-clutter circuit eliminates the EMI of input terminal avoids interfering the circuit of this product.
Its further technical solution are as follows: set respectively between two input terminals and the external circuit connection of the common mode inductance L3
There are protective tube F1, resistance R30, to protect to input terminal.
Its further technical solution are as follows: the input terminal of the output rectification circuit is connect with the output end of transformer T1；Institute
Stating output rectification circuit includes diode D1, capacitor C10；The diode D1 anode is connect with the output end of transformer T1, electricity
Hold the output end that C10 is parallel to transformer T1.
Its further technical solution are as follows: the output filter circuit includes capacitor C7, C9；The output end of output filter circuit
It is connect with output interface.
Its further technical solution are as follows: the output rectification circuit and output filter circuit are additionally provided with linear regulator chip
U1, model 7809.
The beneficial effect of the utility model compared with prior art is: the utility model is by an input interface, through passing through
Governor circuit, anti-clutter circuit, input rectification circuit, input filter circuit, output rectification circuit, output filter circuit is crossed to carry out
The processing such as rectification, decompression, filtering, then export from multiple output interfaces, to power to a variety of musical instruments.The adaptation of this porous output
Device can reduce wiring, so that performance scene is more succinct, facilitate the various musical instruments of management.
The utility model is further described in the following with reference to the drawings and specific embodiments.
Detailed description of the invention
Fig. 1 is a kind of exploded view of the adapter of porous output of the utility model；
Fig. 2 is a kind of circuit diagram of the adapter of porous output of the utility model；
Fig. 3 is a kind of circuit diagram of the adapter of porous output of the utility model.
Specific embodiment
In order to more fully understand the technology contents of the utility model, combined with specific embodiments below to the skill of the utility model
Art scheme is further described and illustrates, but not limited to this.
Such as Fig. 1 to the drawing of Fig. 3 the utility model embodiment.
A kind of adapter of porous output, including shell 10, the circuit board 11 inside shell 10 are set on shell 10
Input interface 12 and multiple output interfaces 13.Circuit board 11 carries control circuit.Control circuit includes governor circuit 14, if
Input circuit in the input terminal of governor circuit 14 and several output circuits set on 14 output end of governor circuit；Input circuit
Anti-clutter circuit 15, input rectification circuit 16 and input filter circuit 17 including being sequentially arranged in 14 input terminal of governor circuit, institute
Stating output circuit includes the output rectification circuit 18 for being sequentially arranged in 14 output end of governor circuit, output filter circuit 19.Output filter
Wave circuit 19 is connect with output interface 13.Anti-clutter circuit 15 is connect with input interface 12.Governor circuit 14 and output circuit it
Between be equipped with transformer T1.
Shell 10 includes upper cover 101 and lower cover 102, is wherein formed with installation cavity between upper cover 101 and lower cover 102, is used for
Accommodate circuit board 11.Input interface 12 and multiple output interfaces 13 are connect with circuit board 11, and are arranged in shell 10.
Governor circuit 14 includes main control chip U2, model PN8366M.Main control chip U2 end feet DRAIN and input electricity
Road connection, end feet CS are grounded by resistance R9, and by being grounded after capacitor C11, resistance R10 parallel connection, end feet COMP passes through end feet INV
Capacitor C12 ground connection, end feet VDD are grounded by capacitor C13, meanwhile, end feet INV passes through resistance R7 and the switch transformer being equipped with
EE13 connection, end feet VDD are connect by diode D3 with switch transformer EE13, wherein anode and the end feet VDD of diode D3
Connection.
End feet CS is grounded by resistance R9, and wherein resistance R9 is current sense resistor, passes through the peak point current ratio of switching tube
Example detection output electric current, when output electric current is excessive, limit switch tube current plays the role of overcurrent protection.
Wherein, resistance R7, resistance R10 form voltage feedback circuit, by the voltage of detection switch transformer EE13 to obtain
Feedback voltage is obtained, and feeds back to main control chip U2 and is detected.
Main control chip U2 end feet DRAIN is connect with the input end-coil of transformer T1, and the input with input transformer T1
End-coil is parallel with negative peak absorbing circuit 21, for reducing inverse peak voltage, plays a protective role.Negative peak absorbing circuit 21 includes electricity
Hinder R5, capacitor C5, resistance R6 and diode D2.Series circuit, and two poles are formed after resistance R5, capacitor C5 are in parallel with resistance R6
The cathode of pipe D2 is connected to the output end of series circuit.
The input terminal of transformer T1 is connect with input filter circuit 17.Input filter circuit 17 include capacitor C1, C2, C3,
C4, wherein capacitor C1, C2, C3, C4 other end is grounded.The pulsating current exported from bridge heap is filtered into direct current.
The input terminal of input filter circuit 17 is connect with 16 output end of input rectification circuit.Input rectification circuit 16 includes using
In the bridge heap to AC rectification.
16 input terminal of input rectification circuit is connect with the defeated outlet of anti-clutter circuit 15.Anti-clutter circuit 15 includes common mode
Inductance L3, common mode inductance L2, capacitor CX1, resistance R1, R2, R3, R4；Wherein, common mode inductance L3 is connect with external circuit, capacitor
CX1 is connected to bis- output ends of common mode inductance L3, is connected to bis- output ends of common mode inductance L3, resistance after resistance R2, R4 series connection
Bis- output ends of common mode inductance L3 are connected to after R1, R3 series connection, common mode inductance L2 connects with common mode inductance L3.Anti-clutter circuit 15
To the effect that the EMI of input terminal is eliminated, avoid interfering the circuit of this product.
It is respectively equipped with protective tube F1, resistance R30 between two input terminals and the external circuit connection of common mode inductance L3, with right
Input terminal is protected.
The input terminal of output rectification circuit 18 is connect with the output end of transformer T1.Output rectification circuit 18 includes diode
D1, capacitor C10；The diode D1 anode is connect with the output end of transformer T1, and capacitor C10 is parallel to the output of transformer T1
End.
Output filter circuit 19 includes capacitor C7, C9；The output end of output filter circuit 19 is connect with output interface 13.
Output rectification circuit 18 and output filter circuit 19 are additionally provided with linear regulator chip U1, model 7809.
It is AC110-230V in the voltage of input interface input, by governor circuit 14, anti-tampering electricity in the present embodiment
Road 15, input rectification circuit 16, input filter circuit 17, output rectification circuit 18, output filter circuit 19 are depressured as output electricity
DC9V/500mA is pressed, and output interface is multiple.
In conclusion the utility model passes through an input interface, through whole by governor circuit, anti-clutter circuit, input
Current circuit, input filter circuit, output rectification circuit, output filter circuit such as are rectified, are depressured, being filtered at the processing, then from
Multiple output interface outputs, to power to a variety of musical instruments.The adapter of this porous output can reduce wiring, so that playing scene
It is more succinct, facilitate the various musical instruments of management.
The above-mentioned technology contents that the utility model is only further illustrated with embodiment, in order to which reader is easier to understand,
But the embodiments of the present invention is not represented is only limitted to this, any technology done according to the utility model extends or recreation,
By the protection of the utility model.The protection scope of the utility model is subject to claims.
Claims (10)
1. a kind of adapter of porous output, including shell, are set in the housing the circuit board in portion, the input interface on shell
And multiple output interfaces；The circuit board bearing has control circuit；It is characterized in that, the control circuit includes governor circuit,
Input circuit set on the input terminal of governor circuit and several output circuits set on governor circuit output end；Input circuit packet
Include the anti-clutter circuit, input rectification circuit and input filter circuit for being sequentially arranged in governor circuit input terminal, the output circuit
Output rectification circuit including being sequentially arranged in governor circuit output end, output filter circuit；The output filter circuit and output
Interface connection；The anti-clutter circuit is connect with input interface；Transformer T1 is equipped between the governor circuit and output circuit.
2. a kind of adapter of porous output according to claim 1, which is characterized in that the governor circuit includes master control
Chip U2, model PN8366M；The main control chip U2 end feet DRAIN is connect with input circuit, and end feet CS passes through resistance R9
Ground connection, end feet INV after capacitor C11, resistance R10 parallel connection by being grounded, and end feet COMP is grounded by capacitor C12, and end feet VDD passes through
Capacitor C13 ground connection, meanwhile, end feet INV is connect by resistance R7 with the switch transformer EE13 being equipped with, and end feet VDD passes through two poles
Pipe D3 is connect with switch transformer EE13, wherein the anode of diode D3 is connect with end feet VDD.
3. a kind of adapter of porous output according to claim 2, which is characterized in that the main control chip U2 end feet
DRAIN is connect with the input end-coil of transformer T1, and has negative peak to absorb electricity with the input terminal coils from parallel connection of coils of input transformer T1
Road；The negative peak absorbing circuit includes resistance R5, capacitor C5, resistance R6 and diode D2；After the resistance R5, capacitor C5 are in parallel
Series circuit is formed with resistance R6, and the cathode of diode D2 is connected to the output end of series circuit.
4. a kind of adapter of porous output according to claim 3, which is characterized in that the input terminal of the transformer T1
It is connect with input filter circuit；The input filter circuit includes capacitor C1, C2, C3, C4, and wherein capacitor C1, C2, C3, C4 is another
One end is grounded.
5. a kind of adapter of porous output according to claim 4, which is characterized in that the input filter circuit it is defeated
Enter end to connect with input rectification circuit output end；The input rectification circuit includes for the bridge heap to AC rectification.
6. a kind of adapter of porous output according to claim 5, which is characterized in that the input rectification circuit input
End is connect with the defeated outlet of anti-clutter circuit；The anti-clutter circuit includes common mode inductance L3, common mode inductance L2, capacitor CX1,
Resistance R1, R2, R3, R4；Wherein, common mode inductance L3 is connect with external circuit, and capacitor CX1 is connected to common mode inductance L3 bis- outputs
End is connected to bis- output ends of common mode inductance L3, is connected to common mode inductance L3 after resistance R1, R3 series connection after resistance R2, R4 series connection
Two output ends, common mode inductance L2 connect with common mode inductance L3.
7. a kind of adapter of porous output according to claim 6, which is characterized in that two of the common mode inductance L3
It is respectively equipped with protective tube F1, resistance R30 between input terminal and external circuit connection, to protect to input terminal.
8. a kind of adapter of porous output according to any one of claims 1 to 7, which is characterized in that the output is whole
The input terminal of current circuit is connect with the output end of transformer T1；The output rectification circuit includes diode D1, capacitor C10；Institute
It states diode D1 anode to connect with the output end of transformer T1, capacitor C10 is parallel to the output end of transformer T1.
9. a kind of adapter of porous output according to claim 8, which is characterized in that the output filter circuit includes
Capacitor C7, C9；The output end of output filter circuit is connect with output interface.
10. a kind of adapter of porous output according to claim 9, which is characterized in that the output rectification circuit with
Output filter circuit is additionally provided with linear regulator chip U1, model 7809.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920414075.2U CN209462270U (en) | 2019-03-28 | 2019-03-28 | A kind of adapter of porous output |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920414075.2U CN209462270U (en) | 2019-03-28 | 2019-03-28 | A kind of adapter of porous output |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209462270U true CN209462270U (en) | 2019-10-01 |
Family
ID=68047572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920414075.2U Active CN209462270U (en) | 2019-03-28 | 2019-03-28 | A kind of adapter of porous output |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209462270U (en) |
-
2019
- 2019-03-28 CN CN201920414075.2U patent/CN209462270U/en active Active
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