CN205091733U - Communication interface conversion device - Google Patents
Communication interface conversion device Download PDFInfo
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- CN205091733U CN205091733U CN201520914749.7U CN201520914749U CN205091733U CN 205091733 U CN205091733 U CN 205091733U CN 201520914749 U CN201520914749 U CN 201520914749U CN 205091733 U CN205091733 U CN 205091733U
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Abstract
The utility model relates to a communication interface conversion device, including first interface, signal conversion module, transmission control module and an at least interface module, wherein, first interface is copied the equipment of reading with the outside and is connected, be used for the transmission with a communication signal who reads equipment matching is copied to the outside, the signal conversion module be used for carrying on the TTL signal with a interface transfer a communication signal's interconversion, the transmission control module is used for control the conversion of signal conversion module TTL signal transmission is to selecing the interface modul. Interface module includes the second interface of being connected with outside communication interface, interface module is used for going on the transmission of transmission control module the TTL signal with the 2nd communication signal's that outside communication interface matees interconversion, and pass through the 2nd interface transfer the 2nd communication signal. The utility model discloses can avoid the complex operation of prior art's observing and controlling in -process existence and the problem of observing and controling the inefficiency.
Description
Technical field
The utility model relates to communication interface technique field, particularly relates to a kind of communication interface converter.
Background technology
At Electronic Testing and control field, usually need to use multiple communication interface to carry out to test or control.Different communication interfaces (such as RS485 interface, far infrared interface, near infrared interface, RF interface etc.) not only proposes different requirements to testing apparatus or opertaing device (such as computing machine etc.), and different communication interfaces is when communicating, need to adopt different cables and/or control panel, and be all generally the switching manually carrying out various communication interface.
Therefore, also there is complex operation in existing observing and controlling process and the inefficient problem of observing and controlling.
Utility model content
The utility model is to provide a kind of communication interface converter, for solving the complex operation and the inefficient problem of observing and controlling that exist in the observing and controlling process of prior art.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of communication interface converter, comprising: first interface, signal conversion module, transmission control module and at least one interface module; Wherein, described first interface and outside copy reading equipment connection, for transmitting the first signal of communication mated with described outside copy reading equipment; The mutual conversion of described first signal of communication of described signal conversion module for carrying out TTL signal and described first interface and transmitting; Described transmission control module is for controlling the described TTL Signal transmissions of described signal conversion module conversion to the described interface module chosen; Described interface module comprises the second interface be connected with external communication interface, the mutual conversion of the second communication signal that described interface module is mated with described external communication interface for the described TTL signal carrying out described transmission control module transmission, and transmit described second communication signal by described second interface.
Further, described transmission control module comprises: mode of operation chooses unit, the second interface chooses unit and the second interface gating unit; Wherein, described mode of operation chooses unit for scanning the baud rate of described external communication interface, and to export the first control signal according to scanning the baud rate obtained, described first control signal is used to indicate the mode of operation of described external communication interface; Described second interface chooses unit for carrying out choosing of described second interface according to described first control signal exported and export the second control signal, to make described second interface chosen corresponding with the mode of operation of described external communication interface; Described second control signal that described second interface gating unit is used for according to exporting connects the transmission channel between described second interface and external communication interface chosen.
Further, described device also comprises the passage indicating module be connected with described transmission control module, it comprises multiple LED, and described passage indicating module is used for controlling one of them LED conducting according to described second control signal, with the described transmission channel connected by the LED instruction of conducting.
Whether further, described device also comprises power supply indicating module, is connected with the power supply of described communication interface converter, be used to indicate described communication interface converter and power normal.
Further, described first interface is USB interface.
Further, described second interface is any one in RS485 interface, far infrared interface, near infrared interface, RF interface.
Further, described second interface is far infrared interface or near infrared interface, and described device also comprises the suppression that is connected with described interface module from transceiver module, for preventing second communication signal described in described interface module automatic transmission.
Compared with prior art, the utility model has following beneficial effect:
By arranging first interface in communication interface converter, signal conversion module, transmission control module and at least one interface module, the first signal of communication mated with outside copy reading equipment can be transmitted in first interface, and the mutual conversion of TTL signal and the first signal of communication is carried out by signal conversion module, the TTL Signal transmissions changed by transmission control module control signal modular converter is to the interface module chosen, the interface module chosen comprises the second interface, this second interface can transmit the second communication signal mated with external communication interface, make outside copy reading equipment can carry out the transmission of signal of communication from different external communication interface, thus avoid the complex operation and the inefficient problem of observing and controlling that exist in the observing and controlling process of prior art.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the communication interface converter of an embodiment;
Fig. 2 is the structured flowchart of transmission control module in Fig. 1;
Fig. 3 is the structured flowchart of the communication interface converter of another embodiment.
Embodiment
Below with reference to accompanying drawing, elaboration is further given to each embodiment of the present utility model.
Refer to Fig. 1, in one embodiment, a kind of communication interface converter 200 comprises: first interface 210, signal conversion module 220, transmission control module 230 and at least one interface module 240.It should be noted that, only illustrate an interface module 240 in Fig. 1, is for the ease of more clearly illustrating, and not to restriction of the present utility model.
Wherein, first interface 210 is connected with outside copy reading equipment 100, for transmitting the first signal of communication mated with outside copy reading equipment 100.
Further, first interface 210 is USB interface.Correspondingly, the outside copy reading equipment 100 be connected with first interface can be the terminal device carrying USB interface, such as, and computing machine, notebook computer, smart mobile phone etc.The first signal of communication transmitted between first interface 210 and outside copy reading equipment 100 is then for meeting the signal of USB communications protocol.
The mutual conversion of first signal of communication of signal conversion module 220 for carrying out TTL signal and first interface 210 and transmitting.
Because the transfer rate of the first signal of communication is limited, by the mutual conversion between the first signal of communication and TTL signal, not only increase the message transmission rate of communication interface converter 200 inside, also reduce thermal losses and manufacturing cost simultaneously.
The TTL Signal transmissions that transmission control module 230 is changed for control signal modular converter 220 is to the interface module 240 chosen.
Interface module 240 comprises the second interface 241 be connected with external communication interface 300, the mutual conversion of the second communication signal that interface module 240 is mated with external communication interface 300 for the TTL signal carrying out transmission control module 230 transmission, and transmit second communication signal by the second interface 241.
Further, the second interface 241 is any one in RS485 interface, far infrared interface, near infrared interface, RF interface.Correspondingly, any one then for meeting in RS485 communication protocol, infrared and radio host-host protocol, air interface protocol of the second communication signal transmitted between the second interface 241 and external communication interface 300.
Based on the bidirectional data transfers of communication interface converter 200, when outside copy reading equipment 100 sends the first signal of communication, communication interface converter 200 will be responsible for transmission first signal of communication to external communication interface 300.Because the mode of operation of the external communication interface 300 for sending is unknown, the second interface 241 be connected with this external communication interface 300 is also unknown, therefore, transmission control module 230 will carry out choosing of interface module 240, afterwards, TTL Signal transmissions signal conversion module 220 changed is to the interface module 240 chosen, and then carried out the mutual conversion of TTL signal and second communication signal by the second interface 241 in the interface 240 chosen, second communication signal external communication interface 300 being received match.
When outside copy reading equipment 100 receives the first signal of communication, communication interface converter 200 is by the second communication signal of responsible reception external communication interface 300.Now, because the mode of operation of external communication interface 300 is known, the second interface 241 be connected with this external communication interface 300 is also known, therefore, transmission control module 230 does not carry out choosing of interface module 240, but after the second interface 241 carries out the mutual conversion of second communication signal and TTL signal, directly the TTL signal of conversion is pass-through to signal conversion module 220, and then carry out the TTL signal of this conversion and the mutual conversion of the first signal of communication by signal conversion module 220, outside copy reading equipment 100 is made to receive the first signal of communication matched.
By process as above, outside copy reading equipment 100 can simultaneously from the transmission carrying out signal of communication between multiple different external communication interface 300, even if changed external communication interface 300, do not need manual switchover cable and/or control panel, thus avoid the complex operation and the inefficient problem of observing and controlling that exist in the observing and controlling process of prior art yet.
Refer to Fig. 2, in one embodiment, transmission control module 230 comprises: mode of operation is chosen unit 231, second interface and chosen unit 232 and the second interface gating unit 233.
Wherein, mode of operation chooses unit 231 for scanning the baud rate of external communication interface 300, to export the first control signal according to scanning the baud rate obtained, the first control signal is used to indicate the mode of operation of external communication interface 300, thus realizes the adaptive function of communication baud rate.
Second interface chooses unit 232 for carrying out choosing of the second interface according to the first control signal exported and export the second control signal, to make the second interface of choosing corresponding with the mode of operation of external communication interface 300.
Second interface gating unit 233, for connecting according to the second control signal exported the transmission channel between the second interface and external communication interface 300 chosen, realizes with this second interface to carry out second communication signal transmission according to the mode of operation of external communication interface 300.
By process as above, make communication interface converter 200 can choose the second interface according to the mode of operation of external communication interface 300, and then the transmission channel connected between the second interface and external communication interface 300, thus the self-adaptation realizing multiple different external communication interface 300 switches and communication baud rate self-adaptation.
Refer to Fig. 3, in one embodiment, communication interface converter 200 also comprises the passage indicating module 250 be connected with transmission control module 230.It should be noted that, consistent with described in previous embodiment of the first interface 210 shown in Fig. 3, signal conversion module 220, transmission control module 230 and interface module 240, this is no longer going to repeat them.
Wherein, passage indicating module 250 comprises multiple LED, and passage indicating module 250, for controlling one of them LED conducting according to the second control signal, indicates with the LED by conducting the transmission channel connected.
That is, the mode of operation of external communication interface 300 is different, and the second coupled interface is also different, and correspondingly, the transmission channel connected therebetween is also different, and LED switched on is also different.More preferably, multiple LED is set to different colors, with the transmission channel connected by the instruction of different colors.
Further, in one embodiment, as shown in Figure 3 whether, communication interface converter 200 also comprises power supply indicating module 260, is connected with the power supply of communication interface converter 200, be used to indicate communication interface converter 200 and power normal.
More preferably, power supply does not need to configure power supply extraly, but directly utilizes internal bus to obtain power supply from outside copy reading equipment 100, makes the structure of communication interface converter 200 simple, be conducive to reducing manufacturing cost with this.
Further, in one embodiment, as shown in Figure 3, second interface 241 is far infrared interface or near infrared interface, communication interface converter 200 also comprises the suppression that is connected with interface module 240 from transceiver module 270, for preventing interface module 240 automatic transmission second communication signal, reduce the bit error rate of communication with this, the efficiency communicated is improved.
Foregoing; be only preferred embodiment of the present utility model; not for limiting embodiment of the present utility model; those of ordinary skill in the art are according to central scope of the present utility model and spirit; can carry out corresponding flexible or amendment very easily, therefore protection domain of the present utility model should be as the criterion with the protection domain required by claims.
Claims (7)
1. a communication interface converter, is characterized in that, comprising: first interface, signal conversion module, transmission control module and at least one interface module; Wherein,
Described first interface and outside copy reading equipment connection, for transmitting the first signal of communication mated with described outside copy reading equipment;
The mutual conversion of described first signal of communication of described signal conversion module for carrying out TTL signal and described first interface and transmitting;
Described transmission control module is for controlling the described TTL Signal transmissions of described signal conversion module conversion to the described interface module chosen;
Described interface module comprises the second interface be connected with external communication interface, the mutual conversion of the second communication signal that described interface module is mated with described external communication interface for the described TTL signal carrying out described transmission control module transmission, and transmit described second communication signal by described second interface.
2. communication interface converter as claimed in claim 1, it is characterized in that, described transmission control module comprises: mode of operation chooses unit, the second interface chooses unit and the second interface gating unit; Wherein,
Described mode of operation chooses unit for scanning the baud rate of described external communication interface, and to export the first control signal according to scanning the baud rate obtained, described first control signal is used to indicate the mode of operation of described external communication interface;
Described second interface chooses unit for carrying out choosing of described second interface according to described first control signal exported and export the second control signal, to make described second interface chosen corresponding with the mode of operation of described external communication interface;
Described second control signal that described second interface gating unit is used for according to exporting connects the transmission channel between described second interface and external communication interface chosen.
3. communication interface converter as claimed in claim 2, it is characterized in that, also comprise the passage indicating module be connected with described transmission control module, it comprises multiple LED, described passage indicating module is used for controlling one of them LED conducting according to described second control signal, with the described transmission channel connected by the LED instruction of conducting.
4. whether communication interface converter as claimed in claim 1, is characterized in that, also comprise power supply indicating module, be connected with the power supply of described communication interface converter, be used to indicate described communication interface converter and power normal.
5. communication interface converter as claimed in claim 1, it is characterized in that, described first interface is USB interface.
6. communication interface converter as claimed in claim 1, is characterized in that, described second interface is any one in RS485 interface, far infrared interface, near infrared interface, RF interface.
7. communication interface converter as claimed in claim 6, it is characterized in that, described second interface is far infrared interface or near infrared interface, described device also comprises the suppression that is connected with described interface module from transceiver module, for preventing second communication signal described in described interface module automatic transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520914749.7U CN205091733U (en) | 2015-11-17 | 2015-11-17 | Communication interface conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520914749.7U CN205091733U (en) | 2015-11-17 | 2015-11-17 | Communication interface conversion device |
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| Publication Number | Publication Date |
|---|---|
| CN205091733U true CN205091733U (en) | 2016-03-16 |
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| CN201520914749.7U Active CN205091733U (en) | 2015-11-17 | 2015-11-17 | Communication interface conversion device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021051674A1 (en) * | 2019-09-20 | 2021-03-25 | 京信通信系统（中国）有限公司 | Multimode expansion connector and multimode micro base station system |
| CN113985750A (en) * | 2021-09-30 | 2022-01-28 | 中国兵器工业集团第二一四研究所苏州研发中心 | Interface circuit board level integrated circuit board |
-
2015
- 2015-11-17 CN CN201520914749.7U patent/CN205091733U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021051674A1 (en) * | 2019-09-20 | 2021-03-25 | 京信通信系统（中国）有限公司 | Multimode expansion connector and multimode micro base station system |
| CN113985750A (en) * | 2021-09-30 | 2022-01-28 | 中国兵器工业集团第二一四研究所苏州研发中心 | Interface circuit board level integrated circuit board |
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Address after: 518000 Guangdong city of Shenzhen province Nanshan District South Road seven No. 007 Shenzhen Digital Technology Park A3 Building 5 floor C District Patentee after: Shenzhen jinzhengfang Technology Co.,Ltd. Address before: 518000 Guangdong city of Shenzhen province Nanshan District South Road seven No. 007 Shenzhen Digital Technology Park A3 Building 5 floor C District Patentee before: SHENZHEN GOLDEN SQUARE TECHNOLOGY Co.,Ltd. |
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