CN205485501U - A conversion equipment for MIDI signal transmission - Google Patents
A conversion equipment for MIDI signal transmission Download PDFInfo
- Publication number
- CN205485501U CN205485501U CN201620252188.3U CN201620252188U CN205485501U CN 205485501 U CN205485501 U CN 205485501U CN 201620252188 U CN201620252188 U CN 201620252188U CN 205485501 U CN205485501 U CN 205485501U
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- midi
- usb interface
- port
- interface
- module
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 17
- 230000008054 signal transmission Effects 0.000 title claims abstract description 15
- 241001062009 Indigofera Species 0.000 claims description 4
- 230000000087 stabilizing effect Effects 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 description 7
- 230000005611 electricity Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Electrophonic Musical Instruments (AREA)
Abstract
The utility model discloses a conversion equipment for MIDI signal transmission, include the MIDI interface, reach flat mouthful of USB interface have: control circuit, with MIDI interface electric connection for the receipt comes from the MIDI data of MIDI interface, or is used for sending the MIDI data to the MIDI interface, wireless module is with the control circuit electric connection, voltage stabilizing circuit, this voltage stabilizing circuit be equipped with with the receiving end mouth of flat mouthful USB interface electric connection, with a power supply port of control circuit electric connection, and the 2nd power supply port of wireless module electric connection, switching circuit, this switching circuit are equipped with with the main port of flat mouthful USB interface electric connection, with first port of voltage stabilizing circuit receiving end mouth electric connection, and prop up the port with the second of MIDI interface electric connection. The utility model discloses simple structure, convenient operation when especially switching to wireless mode, need not use battery poweredly, and the flat mouthful USB interface of accessible directly be wireless module and control circuit supplies power, has solved battery duration problem inadequately.
Description
Technical field
This utility model relates to a kind of conversion equipment, a kind of turning for midi signal transmission
Changing device.
Background technology
At present, instrument devices mainly with midi interface (the most traditional big five core sockets) or
The instrument devices of USB interface, i.e. instrument devices are usually MIDI mouth instrument devices or USB port is happy
Device equipment.MIDI mouth instrument devices or USB port instrument devices and main control device are (such as desktops such as PC
Main control device, or the hand-held main control device such as mobile phone, purl machine) communication time, need in instrument devices
And (i.e. there is the adaptation of midi interface or USB interface by MIDI adapter between main control device
Device) bridge joint, it is achieved instrument devices interconnects with main control device.
But a technological deficiency that can not be ignored is existed for these instrument devices, i.e. networks without connecting
Port, it is impossible to accomplish the upper application that wireless connections are corresponding, be unfavorable for learning, entertain, composition etc.
Etc. the expansion of aspect.
It is divided into A type USB interface and Type B USB interface, wherein A type USB in USB interface classification
Interface is commonly called as " flat mouth USB interface ", and Type B USB interface is commonly called as " square opening USB interface ",
Square opening USB interface occurs later, and function distinguishes with flat mouth USB interface, is mainly used in MIDI
The transmission of data.Flat mouth USB interface and square opening USB interface be respectively provided with male mouth and female mouth point, tool
Selection during body uses belongs to the category that those of ordinary skill in the art can differentiate.
Summary of the invention
In order to overcome the deficiencies in the prior art, this utility model provides and a kind of can make midi signal
Transmission means freely switches between bluetooth or USB interface, simple to operation, it is not necessary to redundant electrical power
Conversion equipment.
This utility model solves its technical problem and be the technical scheme is that a kind of for MIDI letter
The conversion equipment of number transmission, including midi interface and the flat mouth USB that electrically connects with this midi interface
Interface, includes:
Control circuit, electrically connects with described midi interface, for receiving the MIDI from midi interface
Data, or for sending MIDI data to midi interface；
Wireless module, electrically connects with control circuit, for receiving the MIDI data from control circuit,
Or for sending MIDI data to control circuit；
Mu balanced circuit, this mu balanced circuit be provided with the receiving end mouth electrically connected with flat mouth USB interface and
The first supply port that control circuit electrically connects and the second supply port electrically connected with wireless module；
Switching circuit, this switching circuit is provided with the master port electrically connected with flat mouth USB interface and steady
First port that volt circuit receiving end mouth electrically connects and second end electrically connected with midi interface
Mouthful, for controlling the selectivity UNICOM between switching master port and first port or second port.
The beneficial effects of the utility model are: midi interface is used for connecting MIDI mouth instrument devices,
Receive the MIDI data from MIDI mouth instrument devices, or for sending out to MIDI mouth instrument devices
Send MIDI data；Wireless module is for receiving the wireless signal from hand-held main control device, or is used for
Wireless signal is sent to hand-held main control device；Mu balanced circuit is received from outside electricity by receiving end mouth
Source supplies, and is exported respectively by circuit voltage stabilizing backward first supply port of process and the second supply port
The electric current of different voltages；And switching circuit is according to the difference of main control device, changeable for flat mouth USB
Interface sending and receiving MIDI data or switch to wireless module sending and receiving MIDI data.When flat mouth USB connects
Mouth is connected with tabletop master equipment, when switching circuit controls master port and second port UNICOM, then
Midi interface is connected with flat mouth USB interface, is achieved in tabletop master equipment and MIDI mouth is happy
The MIDI data transmission of device equipment room.When needs realization is wirelessly transferred, flat mouth USB interface is connected to
Tabletop master equipment or power supply adaptor to obtain electric energy, then by switching circuit control master port with
First port UNICOM, the most flat mouth USB interface is connected with mu balanced circuit, and mu balanced circuit receives
From the electric energy of flat mouth USB interface and after voltage stabilizing processes, respectively wireless module or control circuit supply
Can, and control circuit realizes the transmission UNICOM between wireless module and midi interface.Switching circuit can
Think and the most simply switch switch, it is only necessary to the switching that can realize two-way selects.This practicality is new
Type simple in construction, easy to operate, particularly when being switched to wireless mode, it is not necessary to use battery to supply
Electricity, directly can be powered for wireless module and control circuit by flat mouth USB interface, solve battery
The problem that flying power is not enough.Control circuit is conventional control chip or single-chip microcomputer.
Wherein, wireless module is bluetooth module or WIFI module；Bluetooth module includes Bluetooth receptions mould
Block and bluetooth sending module；WIFI module includes WIFI receiver module and WIFI sending module.Root
According to needing or the difference of applied environment, can be with unrestricted choice bluetooth module or WIFI module.Certainly,
The host-host protocol of bluetooth module or WIFI module also needs to and the agreement phase entrained by main control device
Join.
In order to, in the case of without tabletop master equipment, still electric energy can be provided for mu balanced circuit, so
This utility model also includes the power supply adaptor suitable with flat mouth USB interface.
In order to provide the experience sense of user, therefore it is serially connected with use between midi interface and flat mouth USB interface
In the first display lamp of instruction break-make, by the first display lamp Real Time Observation midi interface and flat mouth
Line status (break-make) between USB interface.Same, go here and there between mu balanced circuit and flat mouth USB interface
It is connected to the second display lamp for indicating break-make, by the first display lamp Real Time Observation mu balanced circuit and flat
Line status (break-make) between mouth USB interface.
This utility model solves its technical problem and be the technical scheme is that a kind of for MIDI letter
The conversion equipment of number transmission, electrically connects including square opening USB interface and with this square opening USB interface
Flat mouth USB interface, includes:
Control circuit, electrically connects with described square opening USB interface, connects from square opening USB for receiving
The MIDI data of mouth, or for sending MIDI data to square opening USB interface；
Wireless module, electrically connects with control circuit, for receiving the MIDI data from control circuit,
Or for sending MIDI data to control circuit；
Mu balanced circuit, this mu balanced circuit be provided with the receiving end mouth electrically connected with flat mouth USB interface and
The first supply port that control circuit electrically connects and the second supply port electrically connected with wireless module；
Switching circuit, this switching circuit is provided with the master port electrically connected with flat mouth USB interface and steady
First port that volt circuit receiving end mouth electrically connects and with square opening USB interface electrically connect second
Prop up port, for controlling the selectivity connection switching between master port and first port or second port
Logical.
The beneficial effects of the utility model are: the most a lot of musical instruments are not necessarily all traditional midi interfaces,
Much having used square opening USB interface (female mouth), therefore, this utility model have employed square opening USB
Interface (public mouth) is as MIDI data input/output interface, and simple in construction, it is easy to operate,
Particularly when being switched to wireless mode, it is not necessary to use battery to power, can be connect by flat mouth USB
Mouth is directly powered for wireless module and control circuit, the problem solving battery durable scarce capacity.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment one.
Fig. 2 is the structural representation of this utility model embodiment two.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described:
Embodiment one: as it is shown in figure 1, include connecing for the MIDI connecting MIDI mouth instrument devices
Mouthful 1, this midi interface 1 receives the MIDI data from MIDI mouth instrument devices, or for
MIDI mouth instrument devices sends MIDI data；Flat with what midi interface 1 electrically connected by data wire
Mouth USB interface 2, different according to selected pattern, this flat mouth USB interface 2 and tabletop master
Equipment connects or is connected with power supply adaptor；Control circuit is electrically connected by circuit and midi interface 1
3, this control circuit 3 is for receiving the MIDI data from midi interface 1, or is used for MIDI
Interface 1 sends MIDI data；Bluetooth module 4 is electrically connected, this indigo plant by circuit and control circuit 3
Tooth module 4 and sends from the MIDI data of control circuit 3 to hand-held main control device for receiving
MIDI data, or receive from the MIDI data of hand-held main control device and to control circuit
3 send MIDI data；With for providing suitable voltage to bluetooth module 4 and control circuit 3
Mu balanced circuit 5, this mu balanced circuit 5 has receiving end mouth the 51, first supply port 52 and second and supplies
Electricity port 53, receiving end mouth 51 electrically connects with flat mouth USB interface 2, the first supply port 52 and
Control circuit 3 electrically connects, and the second supply port 53 electrically connects with bluetooth module 4, mu balanced circuit 3
Receive from outside power supply supply (hand-held main control device or power supply adaptor) by receiving end mouth 51,
And exported respectively not by circuit voltage stabilizing backward first supply port 52 of process and the second supply port 53
The electric current of same voltage (depending on voltage is with specific reference to actual access device).In flat mouth USB interface 2
Place also couples switching circuit 6, and this switching circuit 6 has 61, first port 62 and of master port
Second port 63, wherein master port 61 electrically connects with flat mouth USB interface 2, first port
62 electrically connect with mu balanced circuit 5 receiving end mouth 51, second port 63 and midi interface 1 Electricity Federation
Connect, control to switch master port 61 and first port 62 or second port by switching circuit 6
Selectivity UNICOM between 63, i.e. according to the difference of main control device, changeable for flat mouth USB interface 2
Sending and receiving MIDI data or switch to wireless module sending and receiving MIDI data.When flat mouth USB interface 2
It is connected with tabletop master equipment, when switching circuit 6 controls master port 61 and second port 63 UNICOM,
Then midi interface is connected with flat mouth USB interface 2, is achieved in tabletop master equipment and MIDI
MIDI data transmission between mouth instrument devices.When needs realization is wirelessly transferred, flat mouth USB interface
2 are connected to tabletop master equipment or power supply adaptor to obtain electric energy, are then controlled by switching circuit 6
Master port 61 and first port UNICOM 62, the most flat mouth USB interface 2 is connected with mu balanced circuit 5,
Mu balanced circuit 5 receives from the electric energy of flat mouth USB interface 2 and is respectively indigo plant after voltage stabilizing processes
Tooth module 4 or control circuit 3 energy supply, and control circuit 6 realizes bluetooth module 4 and midi interface
Between transmission UNICOM.Switching circuit 6 can be the most simply to switch switch, it is only necessary to can realize
The switching of two-way selects.
Bluetooth module 4 can also be replaced by WIFI module.By bluetooth module 4 or WIFI module
MIDI data exchange, the music data of such as APP application is carried out with hand-held main control device.Certainly,
The host-host protocol of bluetooth module 4 or WIFI module also needs to and the agreement phase entrained by main control device
Join.In order to, in the case of without tabletop master equipment, still electric energy can be provided for mu balanced circuit 5, institute
The power supply adaptor suitable with flat mouth USB interface 2 is also included with the present embodiment.In order to provide
The experience sense of user, therefore be serially connected with for indicating break-make between midi interface and flat mouth USB interface 2
The first display lamp (not shown), by the first display lamp Real Time Observation midi interface and flat mouth USB
Line status (break-make) (not shown) between interface 2.Same, mu balanced circuit 5 and flat mouth USB
The second display lamp for indicating break-make it is serially connected with between interface 2, steady by the first display lamp Real Time Observation
Line status (break-make) between volt circuit 5 and flat mouth USB interface 2.
Wherein, the main frame that flat mouth USB interface 2 is docked can be to run operating system and specialty sound
The computer of happy Software for producing, mobile phone, such as, run the operations such as Windows, Linux, MACOS
The PC of system or purl machine, run mobile phone or the purl machine of the operating systems such as Android, IOS.
Control circuit 3 is single-chip microcomputer, and this single-chip microcomputer can use STMicw Electronics's series of ST company,
Model is STM32F105RCT6, it is also possible to use with a series of STM32F411CE or
STM32F405OE。
Embodiment two: as described in Figure 2, compared with embodiment one, differs only in midi interface 1
Use square opening USB interface 7.
Claims (10)
1. for midi signal transmission a conversion equipment, including midi interface and with this
The flat mouth USB interface that midi interface electrically connects, is characterized in that, include:
Control circuit, electrically connects with described midi interface, for receiving the MIDI from midi interface
Data, or for sending MIDI data to midi interface；
Wireless module, electrically connects with control circuit, for receiving the MIDI data from control circuit,
Or for sending MIDI data to control circuit；
Mu balanced circuit, this mu balanced circuit be provided with the receiving end mouth electrically connected with flat mouth USB interface and
The first supply port that control circuit electrically connects and the second supply port electrically connected with wireless module；
Switching circuit, this switching circuit is provided with the master port electrically connected with flat mouth USB interface and steady
First port that volt circuit receiving end mouth electrically connects and second end electrically connected with midi interface
Mouthful, for controlling the selectivity UNICOM between switching master port and first port or second port.
Conversion equipment for midi signal transmission the most according to claim 1, is characterized in that:
Described wireless module is bluetooth module or WIFI module；Bluetooth module includes Bluetooth receptions module and indigo plant
Tooth sending module；WIFI module includes WIFI receiver module and WIFI sending module.
Conversion equipment for midi signal transmission the most according to claim 1, is characterized in that:
Also include the power supply adaptor suitable with flat mouth USB interface.
Conversion equipment for midi signal transmission the most according to claim 1, is characterized in that:
The first display lamp for indicating break-make it is serially connected with between described midi interface and flat mouth USB interface.
Conversion equipment for midi signal transmission the most according to claim 1, is characterized in that:
The second display lamp for indicating break-make it is serially connected with between described mu balanced circuit and flat mouth USB interface.
6. for midi signal transmission a conversion equipment, including square opening USB interface and with
The flat mouth USB interface that this square opening USB interface electrically connects, is characterized in that, include:
Control circuit, electrically connects with described square opening USB interface, connects from square opening USB for receiving
The MIDI data of mouth, or for sending MIDI data to square opening USB interface；
Wireless module, electrically connects with control circuit, for receiving the MIDI data from control circuit,
Or for sending MIDI data to control circuit；
Mu balanced circuit, this mu balanced circuit be provided with the receiving end mouth electrically connected with flat mouth USB interface and
The first supply port that control circuit electrically connects and the second supply port electrically connected with wireless module；
Switching circuit, this switching circuit is provided with the master port electrically connected with flat mouth USB interface and steady
First port that volt circuit receiving end mouth electrically connects and with square opening USB interface electrically connect second
Prop up port, for controlling the selectivity connection switching between master port and first port or second port
Logical.
Conversion equipment for midi signal transmission the most according to claim 6, is characterized in that:
Described wireless module is bluetooth module or WIFI module；Bluetooth module includes Bluetooth receptions module and indigo plant
Tooth sending module；WIFI module includes WIFI receiver module and WIFI sending module.
Conversion equipment for midi signal transmission the most according to claim 6, is characterized in that:
Also include the power supply adaptor suitable with flat mouth USB interface.
Conversion equipment for midi signal transmission the most according to claim 6, is characterized in that:
It is serially connected with between described square opening USB interface and flat mouth USB interface for indicating the first of break-make to indicate
Lamp.
Conversion equipment for midi signal transmission the most according to claim 6, its feature
It is: between described mu balanced circuit and flat mouth USB interface, be serially connected with the second display lamp for indicating break-make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620252188.3U CN205485501U (en) | 2016-03-29 | 2016-03-29 | A conversion equipment for MIDI signal transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620252188.3U CN205485501U (en) | 2016-03-29 | 2016-03-29 | A conversion equipment for MIDI signal transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205485501U true CN205485501U (en) | 2016-08-17 |
Family
ID=56648815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620252188.3U Expired - Fee Related CN205485501U (en) | 2016-03-29 | 2016-03-29 | A conversion equipment for MIDI signal transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205485501U (en) |
-
2016
- 2016-03-29 CN CN201620252188.3U patent/CN205485501U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 310053 Building 1, No.368, Liuhe Road, Binjiang District, Hangzhou City, Zhejiang Province ( north ) Room b3045, third floor Patentee after: Hangzhou carry on science and Technology Co.,Ltd. Address before: 310053 Building 1, No.368, Liuhe Road, Binjiang District, Hangzhou City, Zhejiang Province ( north ) Room b3045, third floor Patentee before: HANGZHOU SUISHEN EDUCATION TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 |