CN104009781B - A kind of wireless Bluetooth adapter being applicable to portable terminal device - Google Patents
A kind of wireless Bluetooth adapter being applicable to portable terminal device Download PDFInfo
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- CN104009781B CN104009781B CN201310061134.XA CN201310061134A CN104009781B CN 104009781 B CN104009781 B CN 104009781B CN 201310061134 A CN201310061134 A CN 201310061134A CN 104009781 B CN104009781 B CN 104009781B
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- bluetooth
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- portable terminal
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- 238000004891 communication Methods 0.000 claims abstract description 58
- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- 230000011664 signaling Effects 0.000 claims abstract description 9
- 238000013519 translation Methods 0.000 claims description 11
- 239000004065 semiconductor Substances 0.000 claims description 6
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention discloses a kind of wireless Bluetooth adapter being applicable to portable terminal device, it comprises power-converting circuit, signaling conversion circuit and transceiver, for setting up serial communication or wireless blue tooth communication between tester, portable terminal device, this wireless Bluetooth adapter is arranged on serial interface, and tester is powered to this wireless Bluetooth adapter by this serial interface; Beneficial effect of the present invention is the wireless telecommunications that just can realize between portable terminal device without the need to changing tester, realizes non-support cable; Operating personnel can also switch according to the actual requirements between serial communication and wireless blue tooth communication, simple to operation, affected by environment little, have extremely strong practicality.
Description
Technical field
The present invention relates to a kind of adapter, be specifically related to a kind of wireless Bluetooth adapter being applicable to portable terminal device.
Background technology
Along with the development of information technology, novel non-support cable pattern will progressively replace traditional file transfers office mode, and country is in order to active response country is about the overall policy of low-carbon (LC), environmental protection, energy-conservation, non-support cable, set up a set of can the No paper office system of compatible existing instrument and equipment, improve office efficiency.
Current instrument is all set up communication by serial ports and computer mostly, is often subject to the restriction of wiring and connection length, uses very inconvenient in use at the scene; Because the development of the portable terminal device technology such as panel computer is very fast, function is gradually improved, and it is very convenient to use, and in order to make office facilitation, setting up a set of blue tooth wireless communication transmission system based on portable terminal device and being very important.
Summary of the invention
The object of the present invention is to provide a kind of wireless Bluetooth adapter being applicable to portable terminal device, by adopting
Overcome the deficiency in conventional art, thus realize object of the present invention.
Technical problem solved by the invention can realize by the following technical solutions:
Be applicable to a wireless Bluetooth adapter for portable terminal device, it is located on a tester, and tester is provided with serial interface, wherein:
Wireless Bluetooth adapter is used between tester, portable terminal device, set up serial communication or wireless blue tooth communication, and this wireless Bluetooth adapter is arranged on serial interface, and tester is powered to this wireless Bluetooth adapter by this serial interface;
This wireless Bluetooth adapter specifically comprises:
One power-converting circuit, it is for carrying out level translation to the power supply of tester, and this power-converting circuit comprises an overvoltage crowbar and a voltage stabilizing circuit;
One signaling conversion circuit, it is for controlling the switching between bluetooth communication and serial communication;
One transceiver, it is connected for setting up communication between tester with portable terminal device, and this transceiver comprises a bluetooth communication unit and a serial ports communication unit, wherein:
Serial communication unit is used for setting up serial communication between serial interface and portable terminal device;
Bluetooth communication unit is used between tester and portable terminal device, set up wireless blue tooth communication.
In a preferred embodiment of the invention, the serial interface of tester specifically adopts RS232 serial interface.
In a preferred embodiment of the invention, overvoltage crowbar is made up of a resistance and a diodes in parallel.
In a preferred embodiment of the invention, voltage stabilizing circuit is specially a positive voltage adjuster chip.
In a preferred embodiment of the invention, signaling conversion circuit is provided with diode and metal-oxide-semiconductor, and wherein, diode is for realizing the switching between bluetooth communication unit and serial communication unit, and metal-oxide-semiconductor is used for realizing level compatibility.
In a preferred embodiment of the invention, transceiver is specially a RS232 transceiver, is equipped with driver, receiver and display panel in the bluetooth communication unit of this RS232 transceiver, serial communication unit.
In a preferred embodiment of the invention, a bluetooth module is comprised in bluetooth communication unit, comprise protocol translation circuit and a dual-mode antenna in this bluetooth module, protocol translation circuit is used for carrying out protocol translation between serial ports, Bluetooth signal, and dual-mode antenna is used for transmitting/receiving wireless signal.
Especially, it should be noted that, bluetooth module specifically adopts Bluecore6 Bluetooth chip.
Beneficial effect of the present invention is:
Without the need to changing the wireless telecommunications that tester just can realize between portable terminal device, realize non-support cable; Operating personnel can also switch according to the actual requirements between serial communication and wireless blue tooth communication, simple to operation, affected by environment little, have extremely strong practicality.
Accompanying drawing explanation
Fig. 1 is a kind of wireless Bluetooth adapter schematic diagram being in the specific implementation applicable to portable terminal device of the present invention.
Fig. 2 is of the present inventionly a kind ofly applicable to power-switching circuit schematic diagram in the specific implementation in the wireless Bluetooth adapter of portable terminal device.
Fig. 3 is of the present inventionly a kind ofly applicable to signaling conversion circuit schematic diagram in the specific implementation in the wireless Bluetooth adapter of portable terminal device.
Fig. 4 is of the present inventionly a kind ofly applicable to transceiver schematic diagram in the specific implementation in the wireless Bluetooth adapter of portable terminal device.
Fig. 5 is a kind of bluetooth module schematic diagram being in the specific implementation applicable to portable terminal device of the present invention.
Embodiment
The technological means realized for making the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the present invention further.
As shown in Figure 1, a kind of wireless Bluetooth adapter 100 be applicable in portable terminal device of the present invention is located on the serial interface of tester 60, and in the present embodiment, this serial interface is specially RS232 serial interface; Communication can be set up between tester 60 with portable terminal device 50 by this wireless Bluetooth adapter 100 to be connected, this wireless Bluetooth adapter 100 is directly placed on the serial interface of tester 60, and its electric power is directly provided by serial interface by tester 60; Portable terminal device 50 adopts panel computer in the present embodiment, and portable terminal device 50 can be replaced by other portable terminal devices as required.
Power-converting circuit, signaling conversion circuit and transceiver is comprised in wireless Bluetooth adapter 100.
As shown in Figure 2, power-converting circuit forms an overvoltage crowbar by R1, D1 parallel with one another.Voltage stabilizing is carried out as voltage stabilizing circuit by the chip of the positive voltage adjuster 110 of high accuracy, low-power consumption, ultra low dropout; Operationally, power supply, from the direct voltage of J1 interface input 3V ~ 6V, after power-converting circuit transforms, exports 3.3V direct voltage to power-converting circuit.
As shown in Figure 3, signaling conversion circuit is made up of two paths of signals transmission circuit 310,320, supports the automatic switchover of two-way circuit 310,320 receiving and transmitting signal; Wherein, circuit 310,320 is respectively equipped with diode D2, D3, this diode D2, D3 are for realizing the switching of two-way circuit 310,320 receiving and transmitting signal, and in the present embodiment, this diode D2, D3 are Zener diode; Circuit 320 is also provided with metal-oxide-semiconductor Q2, and it is for realizing the compatibility of signaling conversion circuit to 3V ~ 5V level signal, and in the present embodiment, Q2 adopts N-type metal-oxide-semiconductor.
Transceiver comprises a bluetooth communication unit and a serial ports communication unit, and wherein, serial communication unit is used for setting up serial communication between serial interface and portable terminal device, and bluetooth communication unit is used between tester and portable terminal device, set up wireless blue tooth communication.
As shown in Figure 4, in the present embodiment, transceiver is specially a RS232 transceiver, this RS232 transceiver is the device of two drivers, two receivers, wherein, in its bluetooth communication unit, serial communication unit, be equipped with driver, receiver and display panel 401,402, when reality uses, tester 60 can be connected by serial ports between serial communication unit with portable terminal device 50 that going forward side by side works interrogates, and also sets up wireless blue tooth communication by bluetooth communication unit and portable terminal device 50.
In the present embodiment, a bluetooth module is comprised in bluetooth communication unit, comprise protocol translation circuit and a dual-mode antenna in this bluetooth module, protocol translation circuit is used for carrying out protocol translation between serial ports, Bluetooth signal, and dual-mode antenna is used for transmitting/receiving wireless signal.
As shown in Figure 5, bluetooth module specifically adopts Bluecore6 Bluetooth chip, the BlueCore6 Bluetooth chip utilizing CSR company to produce and the serial interface of tester 60 set up wireless blue tooth communication, and serial port protocol is changed into Bluetooth protocol, be combined into a bridge of a connecting communication between bluetooth and serial ports.
BlueCore6 supports latest edition bluetooth specification (v2.1+EDR) completely, and CSR company further increases radio-frequency performance, namely can be without the need to external power amplifier the bluetooth coverage that BlueCore6 provides broadness.Improve 11dB (Tx input power+4dBm, Rx input power-7dBm) relative to the maximum allowable power loss standard value entirety of BlueCore4, BlueCore6, contribute to the reliability improving whole communication.
The present invention is when specifically using, operating personnel can according to the needs of different situations, between tester 60 with portable terminal device 50, set up serial communication or wireless blue tooth communicates, when not needing to change tester 60, the manipulation for tester provides different choice; Adopt wireless blue tooth communication can realize non-support cable, effectively cost-saving and loss, and wireless connections are convenient and swift, affected by environment minimum.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection range is defined by appending claims and equivalent thereof.
Claims (1)
1. be applicable to a wireless Bluetooth adapter for portable terminal device, it is located on a tester, and described tester is provided with serial interface, it is characterized in that:
Described wireless Bluetooth adapter is used between described tester, portable terminal device, set up serial communication or wireless blue tooth communication, this wireless Bluetooth adapter is arranged on described serial interface, and tester is powered to this wireless Bluetooth adapter by this serial interface;
This wireless Bluetooth adapter specifically comprises:
One power-converting circuit, it is for carrying out level translation to the power supply of described tester, and this power-converting circuit comprises an overvoltage crowbar and a voltage stabilizing circuit;
One signaling conversion circuit, it is for controlling the switching between bluetooth communication and serial communication;
One transceiver, it is connected for setting up communication between tester with portable terminal device, and this transceiver comprises a bluetooth communication unit and a serial ports communication unit, wherein:
Described serial communication unit is used for setting up serial communication between described serial interface and portable terminal device; Described bluetooth communication unit is used between tester and portable terminal device, set up wireless blue tooth communication;
The serial interface of described tester specifically adopts RS232 serial interface;
Described overvoltage crowbar is made up of a resistance and a diodes in parallel;
Described voltage stabilizing circuit is specially a positive voltage adjuster chip;
Described signaling conversion circuit is provided with diode and metal-oxide-semiconductor, and wherein, diode is for realizing the switching between bluetooth communication unit and serial communication unit, and metal-oxide-semiconductor is used for realizing level compatibility;
Described transceiver is specially a RS232 transceiver, is equipped with driver, receiver and display panel in the bluetooth communication unit of this RS232 transceiver, serial communication unit;
Comprise a bluetooth module in described bluetooth communication unit, comprise protocol translation circuit and a dual-mode antenna in this bluetooth module, protocol translation circuit is used for carrying out protocol translation between serial ports, Bluetooth signal, and dual-mode antenna is used for transmitting/receiving wireless signal;
Described bluetooth module specifically adopts Bluecore6 Bluetooth chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310061134.XA CN104009781B (en) | 2013-02-27 | 2013-02-27 | A kind of wireless Bluetooth adapter being applicable to portable terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310061134.XA CN104009781B (en) | 2013-02-27 | 2013-02-27 | A kind of wireless Bluetooth adapter being applicable to portable terminal device |
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| Publication Number | Publication Date |
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| CN104009781A CN104009781A (en) | 2014-08-27 |
| CN104009781B true CN104009781B (en) | 2016-04-20 |
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| CN201310061134.XA Expired - Fee Related CN104009781B (en) | 2013-02-27 | 2013-02-27 | A kind of wireless Bluetooth adapter being applicable to portable terminal device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105915255B (en) * | 2015-08-19 | 2019-01-04 | 发联（上海）网络科技有限公司 | A kind of circuit structure of adapter |
| CN105548789A (en) * | 2015-11-27 | 2016-05-04 | 国家电网公司 | Underground lead connection test system |
| CN105337643A (en) * | 2015-11-27 | 2016-02-17 | 国家电网公司 | Wireless bluetooth adapter |
| CN105842576B (en) * | 2016-03-23 | 2018-06-15 | 国网山东省电力公司潍坊供电公司 | Earth-continuity remote-controlled test device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1377144A (en) * | 2001-03-28 | 2002-10-30 | 国际商业机器公司 | Bluetooth adaptor for infrared interface and communication method therefor |
| CN1604494A (en) * | 2004-11-04 | 2005-04-06 | 金纯� | Bluetooth audio frequency adapter |
| CN201532374U (en) * | 2009-11-20 | 2010-07-21 | 尹叶子 | Household intelligent environment index visual monitoring system |
| WO2013016914A1 (en) * | 2011-07-29 | 2013-02-07 | 上海合合信息科技发展有限公司 | Method and system using bluetooth technology and acceleration sensing technology for data transmission |
| CN203135875U (en) * | 2013-02-27 | 2013-08-14 | 河北省电力公司电力科学研究院 | Wireless Bluetooth adapter suitable to be used in portable terminal |
-
2013
- 2013-02-27 CN CN201310061134.XA patent/CN104009781B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1377144A (en) * | 2001-03-28 | 2002-10-30 | 国际商业机器公司 | Bluetooth adaptor for infrared interface and communication method therefor |
| CN1604494A (en) * | 2004-11-04 | 2005-04-06 | 金纯� | Bluetooth audio frequency adapter |
| CN201532374U (en) * | 2009-11-20 | 2010-07-21 | 尹叶子 | Household intelligent environment index visual monitoring system |
| WO2013016914A1 (en) * | 2011-07-29 | 2013-02-07 | 上海合合信息科技发展有限公司 | Method and system using bluetooth technology and acceleration sensing technology for data transmission |
| CN203135875U (en) * | 2013-02-27 | 2013-08-14 | 河北省电力公司电力科学研究院 | Wireless Bluetooth adapter suitable to be used in portable terminal |
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| CN104009781A (en) | 2014-08-27 |
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Inventor after: Gao Shuguo Inventor after: Pan Jin Inventor after: Fan Hui Inventor after: Chen Zhiyong Inventor after: Chen Ersong Inventor after: Liu Hongliang Inventor after: Jiu Zhongzhang Inventor after: Yao Qi Inventor before: Gao Shuguo Inventor before: Pan Jin Inventor before: Fan Hui Inventor before: Chen Zhiyong Inventor before: Jiu Zhongzhang Inventor before: Yao Qi |
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Effective date of registration: 20160329 Address after: 050021 Sports South Street, Yuhua District, Hebei, Shijiazhuang Applicant after: Electric Power Sciences Research Institute of State Grid Hebei Electric Power Company Applicant after: State Grid Corporation of China Applicant after: Shanghai Sceec Electric Equipment Co., Ltd. Address before: 050021 Sports South Street, Yuhua District, Hebei, Shijiazhuang Applicant before: Electric Power Research Institute of Hebei Electric Power Corporation Applicant before: Shanghai Sceec Electric Equipment Co., Ltd. |
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| 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: 20160420 Termination date: 20170227 |