CN102255767A - Multifunctional handheld communication tester - Google Patents
Multifunctional handheld communication tester Download PDFInfo
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- CN102255767A CN102255767A CN2010101800966A CN201010180096A CN102255767A CN 102255767 A CN102255767 A CN 102255767A CN 2010101800966 A CN2010101800966 A CN 2010101800966A CN 201010180096 A CN201010180096 A CN 201010180096A CN 102255767 A CN102255767 A CN 102255767A
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Abstract
The invention relates to a multifunctional handheld communication tester, comprising several parts, such as a power supply module, a lightning protection module, an RS485 interface, an RS232 interface, a main control unit (MCU), a liquid crystal display module and a function key module, wherein the system further comprises a battery module connected with a main power supply; a lithium battery (a battery unit) in the battery module can be charged by a charging unit in the battery module; and when external power supply disappears, the lithium battery is used for supplying electricity. A protection circuit is used for correspondingly protecting overcurrent and overvoltage. The core control module has two ways of serial ports; one way can be used as an input end while the other way can be used as an output end; the two ways of serial ports can select the RS232 interface or the RS485 interface for wiring, and both have a photoelectric isolation protection; and the ports with rich MCUs can be connected with a liquid crystal display screen and the function key module. On software, the capturing and the displaying of protocol codes, and the automatic identification of communication Baud rate can be controlled; the setting of an OSD (On Screen Display) menu is adapted automatically; and a plurality of control protocols, such as Modbus, PPI (PDH (Plesiochronous Digital Hierarchy) Physical Interface) and the like are supported. The invention is simple and feasible to operation, convenient to use and low in cost.
Description
Technical field
The present invention relates to field of computer technology, particularly a kind of multi-functional hand-held communication test instrument that is used for field adjustable is suitable for communication equipment test between multiple communication bus such as buses such as Modbus, PPI.
Background technology
In existing communication equipment debugging scene, as: in system integration project, often have and have several RS485 buses below the upper operating computer, hang with a plurality of RS485 communication equipments (for example intelligent electric meter etc.) on every bus.Requirement communicates each following equipment at upper operating computer, and generally, on-the-spot commissioning staff need carry out following aspects of works, and one, install the communication equipment of far-end.Two, connect this equipment to upper operating computer communication link (if adopting the chain network device therefor need be installed and installs all order wires together).Three, return upper operating computer side each the next equipment is communicated test, if the some devices communicatings of middle discovery are unsuccessful, then need to return on-the-spot Reparametrization and check link, the upper computer distance in general present equipment and center is far, has so just wasted commissioning engineer's time and efforts greatly.
Summary of the invention
The invention provides a kind of field adjustable multi-functional hand-held communication test instrument simple to operate and easy to use.
To achieve these goals, the invention provides following technical scheme:
A kind of multi-functional hand-held communication test instrument is characterized in that, comprising: power module 1, protective circuit 4, MUC5, LCDs 7, function button 6 and interface, wherein:
Described power module 1 connects described protective circuit 4, and described protective circuit 4 connects described MCU5, and described MCU5 also is connected with function button 6, interface and LCDs 7 respectively.
Wherein, preferred, also be serially connected with lightning-protection module 3 between described power module 1 and the described protective circuit 4.
Wherein, preferred, also be serially connected with battery unit 2 between described power module 1 and the described lightning-protection module 3.
Wherein, preferred, described interface is 232 interfaces or 485 interfaces, and is two.
Wherein, preferred, also be connected with photoelectric isolation module 8 between described interface and the described MCU.
By implementing above technical scheme, have following technique effect: tester provided by the invention can charge to the lithium battery (battery unit) that includes by charhing unit wherein, and lithium battery power supply is arranged when externally fed disappears.Protective circuit all has corresponding protection to overcurrent, overvoltage.Kernel control module (MCU) has the two-way serial ports; one the tunnel can be used as input; another road can be used as output, and every road serial ports all can be selected RS232 interface or RS485 interface to come wiring and the photoelectricity insulation blocking is all arranged, and the abundant port of MCU can connect LCDs and function button module simultaneously.Seizure of may command protocol code and demonstration, communication baud rate are discerned automatically on the software, adapt to the OSD menu setting automatically, and support various control agreements such as Modbus, PPI.Simple to operate easy-to-use, easy to use, and cost is low.
Description of drawings
Fig. 1 is the structural representation of tester provided by the invention.
Embodiment
Technical scheme is for a better understanding of the present invention described embodiment provided by the invention in detail below in conjunction with accompanying drawing.
The invention provides a kind of multi-functional hand-held communication test instrument, this tester comprises as shown in Figure 1: power module 1, protective circuit 4, MUC5, LCDs 7, function button 6 and interface, wherein:
Described power module 1 connects described protective circuit 4, and described protective circuit 4 connects described MCU5, and described MCU 5 also is connected with function button 6, interface and LCDs 7 respectively.Further among the embodiment, also be serially connected with lightning-protection module 3 between described power module 1 and the described protective circuit 4.Lightning-protection module 3 is used to prevent that this tester is struck by lightning with the equipment that is connected this tester.
Also be serially connected with battery unit 2 between described power module 1 and the described lightning-protection module 3.The powered battery that this battery unit 2 is arranged when externally fed disappears, this battery can be the lithium electricity, also can be rechargeable battery.
In the preferred embodiment, described interface is 232 interfaces or 485 interfaces, and is the two-way serial ports, as shown in Figure 1, is respectively RS232/RS485 interface 9 and RS232/RS485 interface 11.This two-way serial ports, the one tunnel can be used as input, and another road can be used as output.
Further among the embodiment, also be connected with photoelectric isolation module 8 and photoelectric isolation module 9 between described interface 9,11 and the described MCU respectively, isolate, MCU 5 is played a protective role to carry out broadcasting and TV.
In the foregoing description; by power module 1; battery unit 2 and lightning-protection module 3 are formed electric power system; by protective circuit 4; MCU (key control unit) 5; function button module 6 and LCD MODULE 7 forming control systems, photoelectric isolation module 8, input RS232/RS485 interface 9, photoelectric isolation module 10, output RS232/RS485 interface 11 constitute the peripheral communications system.
The multi-functional hand-held tester course of work that present embodiment provides is: the DC5V external electric is through power module 1; battery unit 2; lightning-protection module 3; after the protective circuit 4; be input to MCU (key control unit) 5 and be this MCU 5 and the power supply of other ancillary equipment; by function button module 6; LCDs 7; carry out procedure Selection; MCU 5 is as the core of control system; its inside is with control program, and MCU 5 is according to photoelectric isolation module P8 when function button module 6 is provided with function corresponding; input RS232/RS485 interface; 9; photoelectric isolation module; 10; output RS232/RS485 interface; 11 information that constitute the peripheral communications system are sent control commands corresponding.Can finish the function of following several respects:
Brightness, the contrast of LCDs 7 are adjustable;
The control protocol code is caught and is shown;
Communication baud rate is discerned automatically, adapts to automatically;
OSD (screen menu type regulative mode) menu setting, simple to operate easy-to-use;
Support Modbus (mode bus), PPI various control agreements such as (communications protocol of inside solidification);
Support RS232 and RS485 interface, rate adjusted (150-19200/bps);
Unique address scan function is found out the device address fast;
Netting twine test function (really can test any 2 lines and 2 various connection connecting line prefaces that line is above, and show test netting twine numbering);
The battery electric quantity patternization shows in real time, and is directly succinct; Automatic power save (low-power consumption mode) function is arranged, and service time is longer;
Equipment is light and handy, and image shows and the Data Control one realizes.
More than a kind of multi-functional hand-held communication test instrument that the embodiment of the invention provided is described in detail, for one of ordinary skill in the art, thought according to the embodiment of the invention, part in specific embodiments and applications all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (5)
1. a multi-functional hand-held communication test instrument is characterized in that, comprising: power module (1), protective circuit (4), MUC (5), LCDs (7), function button (6) and interface, wherein:
Described power module (1) connects described protective circuit (4), and described protective circuit (4) connects described MCU (5), and described MCU (5) also is connected with function button (6), interface and LCDs (7) respectively.
2. multi-functional according to claim 1 hand-held communication test instrument is characterized in that, also is serially connected with lightning-protection module (3) between described power module (1) and the described protective circuit (4).
3. as multi-functional hand-held communication test instrument as described in the claim 2, it is characterized in that, also be serially connected with battery unit (2) between described power module (1) and the described lightning-protection module (3).
4. as multi-functional hand-held communication test instrument as described in the claim 3, it is characterized in that described interface is 232 interfaces or 485 interfaces, and be two.
5. as multi-functional hand-held communication test instrument as described in the claim 4, it is characterized in that, also be connected with photoelectric isolation module (8) between described interface and the described MCU.
Priority Applications (1)
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CN2010101800966A CN102255767A (en) | 2010-05-21 | 2010-05-21 | Multifunctional handheld communication tester |
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CN2010101800966A CN102255767A (en) | 2010-05-21 | 2010-05-21 | Multifunctional handheld communication tester |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103116567A (en) * | 2013-01-24 | 2013-05-22 | 富通集团有限公司 | Multi-serial-port selection circuit |
CN103178911A (en) * | 2013-03-07 | 2013-06-26 | 江苏省电力公司金湖县供电公司 | Negative control terminal communication interface bidirectional tester based on electricity larceny preventing device |
CN108075940A (en) * | 2016-11-18 | 2018-05-25 | 天津嘉深保科技发展有限公司 | A kind of conference service network communication unicom tester |
CN114448827A (en) * | 2021-12-30 | 2022-05-06 | 上海自动化仪表有限公司 | Manual operator with Modbus communication diagnosis function |
CN114500313A (en) * | 2021-12-30 | 2022-05-13 | 上海自动化仪表有限公司 | Manual operator with PROFIBUS DP communication diagnosis function |
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CN200983101Y (en) * | 2006-03-28 | 2007-11-28 | 上海电器科学研究所(集团)有限公司 | A remote communication, monitoring and human-machine interface control module |
CN201018614Y (en) * | 2007-02-27 | 2008-02-06 | 济南雷森科技有限公司 | Portable radio data channel instrument |
CN101350757A (en) * | 2008-08-18 | 2009-01-21 | 东莞市金之桥通讯科技有限公司 | Industry data bus system, industry data bus equipment and implementing method thereof |
US20090147696A1 (en) * | 2007-12-10 | 2009-06-11 | Electronics And Telecommunications Research Institute | Apparatus and control method for energy-aware home gateway based on network |
CN201674516U (en) * | 2010-05-21 | 2010-12-15 | 蔡华 | Multifunctional handheld communication tester |
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2010
- 2010-05-21 CN CN2010101800966A patent/CN102255767A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN200983101Y (en) * | 2006-03-28 | 2007-11-28 | 上海电器科学研究所(集团)有限公司 | A remote communication, monitoring and human-machine interface control module |
CN201018614Y (en) * | 2007-02-27 | 2008-02-06 | 济南雷森科技有限公司 | Portable radio data channel instrument |
US20090147696A1 (en) * | 2007-12-10 | 2009-06-11 | Electronics And Telecommunications Research Institute | Apparatus and control method for energy-aware home gateway based on network |
CN101350757A (en) * | 2008-08-18 | 2009-01-21 | 东莞市金之桥通讯科技有限公司 | Industry data bus system, industry data bus equipment and implementing method thereof |
CN201674516U (en) * | 2010-05-21 | 2010-12-15 | 蔡华 | Multifunctional handheld communication tester |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103116567A (en) * | 2013-01-24 | 2013-05-22 | 富通集团有限公司 | Multi-serial-port selection circuit |
CN103116567B (en) * | 2013-01-24 | 2015-11-04 | 富通集团有限公司 | The selection circuit of Multi-serial port |
CN103178911A (en) * | 2013-03-07 | 2013-06-26 | 江苏省电力公司金湖县供电公司 | Negative control terminal communication interface bidirectional tester based on electricity larceny preventing device |
CN108075940A (en) * | 2016-11-18 | 2018-05-25 | 天津嘉深保科技发展有限公司 | A kind of conference service network communication unicom tester |
CN114448827A (en) * | 2021-12-30 | 2022-05-06 | 上海自动化仪表有限公司 | Manual operator with Modbus communication diagnosis function |
CN114500313A (en) * | 2021-12-30 | 2022-05-13 | 上海自动化仪表有限公司 | Manual operator with PROFIBUS DP communication diagnosis function |
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Application publication date: 20111123 |