CN107798853A - A kind of remote terminal tester - Google Patents
A kind of remote terminal tester Download PDFInfo
- Publication number
- CN107798853A CN107798853A CN201710959731.2A CN201710959731A CN107798853A CN 107798853 A CN107798853 A CN 107798853A CN 201710959731 A CN201710959731 A CN 201710959731A CN 107798853 A CN107798853 A CN 107798853A
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- Prior art keywords
- module
- housing
- processor
- remote terminal
- power
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C25/00—Arrangements for preventing or correcting errors; Monitoring arrangements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The invention discloses a kind of remote terminal tester, it is related to wireless control technology field.The remote terminal tester is integrated by functions such as CAN communication module, ethernet communication interface, USB communication interfaces, RS232 communication interfaces, RS485 communication interfaces, vision signal and audio signals; in terms of power down protection and power detecting; employ the highly sensitive 4V threshold voltages detection for resetting control module progress power supply switching and employing power detecting power down protection module; it can be interrupted in microsecond rank, and carry out task field data-protection and Switching power.Remote terminal tester of the present invention is the comprehensive tester of a set of portable.
Description
Technical field
The present invention relates to wireless control technology field, and in particular to a kind of remote terminal tester.
Background technology
Tester in the market is mostly taken based on industrial control computer structure under X86 construction, because 4U industrial computers carry not
It is convenient, it is also necessary to industrial computer to be arranged on 19 inches of racks, 4 wheels during transport by rack transport, and are often transporting
Cheng Zhong, parts are caused to loosen and produce failure, cabinet-type power supply in addition is 220V AC powers mostly, when the device is being used,
It can not be run in the case of no civil power.Therefore, most of testers of in the market, it is big volume to be all present, should not carry, work(
Can be single the features such as, be not suitable for the use at mobile laboratory and field trial.
The content of the invention
In order to solve prior art problem present in, the invention provides a kind of remote terminal tester, has body
Product is small, the characteristics of being easy to carry, be vdiverse in function.
In order to achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of remote terminal tester, including housing 2 and the circuit board inside housing 2, the circuit board include processor,
Power transfer module, CAN, RS232 communication interfaces, ethernet interface, RS485 communication interfaces, usb communication connect
Mouth, data storage cell, clock module, reset control module, analog video acquisition module, power detecting power down protection module,
Display module, audio-frequency module and button expansion module；The CAN, RS232 communication interfaces, ethernet interface,
RS485 communication interfaces, USB communication interface, data storage cell and audio-frequency module are connected with the input/output terminal of processor respectively；
The power transfer module, clock module, reset control module, analog video acquisition module, power detecting power down protection module
It is connected respectively with the input of processor with button expansion module；The output end connection of the display module and processor.
Further, the outer surface of housing 2 is additionally provided with protective case 1, and the front of the housing 2 is provided with function key 3 and display screen
4, the both sides of the housing 2 are respectively equipped with multifunction conjunction 7 and audio connector 8, and the multifunction conjunction 7 is integrated with CAN interface
And ethernet interface；The top of the housing 2 is provided with first the 5, second hook 6 of hook, communication joint 9, volume and brightness
Adjusting key 10 and power switch 11, the communication joint 9 are integrated with USB communication interface, RS232 communication interfaces and RS485 communications
Interface；The housing 2 uses almag, and anode conducting oxidation processes are done inside housing 2.
Further, the function key 3 is lucite button, is connected with the button expansion module of the internal circuit board of housing 2
Connect；The display screen 4 is connected with the display module of the internal circuit board of housing 2, the display for video and test result；It is described more
The CAN of functional connector 7 and the internal circuit board of housing 2, ethernet interface are connected, for the communication with outside；
The communication joint 9 is connected with USB communication interface, RS232 communication interfaces and the RS485 communication interfaces of the internal circuit board of housing 2；
Volume and the brightness regulation key 10 is connected with the audio-frequency module and display module of the internal circuit board of housing 2；The power switch
11 are connected with the power transfer module of the internal circuit board of housing 2.
Further, the display screen 4 is LCD display or infrared touch panel.
Further, the processor uses NXP PowerPC P1022 processors.
Further, the monitoring for resetting control module and being used for electrification reset and processor, the reset control module
Using chip MAX813LESA.
Further, the power detecting power down protection module is monitored using model TCM809JENB713 processor
Device, the processor monitor of the model TCM809JENB713 after the detection and power down of power circuit for processor for carrying
For stand-by power supply, the monitoring voltage of the processor monitor of the model TCM809JENB713 is up to 4V, when voltage reaches
During to 4V threshold values, model TCM809JENB713 processor monitor produces interruption, processor after interrupting information is obtained,
Pass through data storage cell saving scene data.
Further, the data storage cell is deposited including DDR3 storages, NOR Flash memory chips and NAND Flash
Store up chip, the model MT41K512M16TW-107 of the DDR3 storages.
Further, the model of the button expansion module is used to be TCA6424A, and the TCA6424A is used for for place
Manage device and universal remote I/O extension is provided.
Further, the analog video acquisition module is using the TW6865 modules for possessing PCIE interfaces, the TW6865
Module is communicated by high-speed serial bus with P1022；The audio-frequency module uses TLV3106 chips, is gathered for MCVF multichannel voice frequency.
Beneficial effect：Compared with prior art, a kind of remote terminal tester provided by the invention by CAN communication module,
Ethernet communication interface, USB communication interfaces, RS232 communication interfaces, RS485 communication interfaces, vision signal and audio signal etc.
Function is integrated, is the comprehensive tester of a set of portable；It is described reset control module, power detecting power down protection module and
Button expansion module is connected with the input of processor respectively, in terms of power down protection and power detecting, employs reset control
Module carries out power supply switching and employs the highly sensitive 4V threshold voltages detection of power detecting power down protection module, Neng Gou
Microsecond rank is interrupted, and carries out task field data-protection and Switching power.Stored by DDR3, NOR Flash storages
Chip and NAND Flash memory chips ensure that the autgmentability of data storage and abundant memory margin, while also firm user
The rapidity and reliability of program operation.Button uses lucite on inventive shell, and housing uses almag, alleviated
The quality of remote terminal tester.
Brief description of the drawings
In order to illustrate more clearly of technical scheme, the required accompanying drawing used in embodiment will be made below
Simply introduce, it should be apparent that, drawings in the following description are only some embodiments of the present invention, general for this area
For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is principle of the invention block diagram；
Fig. 2 is schematic structural view of the invention front view；
Fig. 3 is schematic structural view of the invention left view；
Fig. 4 is schematic structural view of the invention right view；
Fig. 5 is schematic structural view of the invention top view.
In figure：1- protective cases, 2- housings, 3- function keys, 4- display screens, 5- first are linked up with, 6- second is linked up with, 7- is multi-functional
Joint, 8- audio connectors, 9-communication joint, 10- volumes and brightness regulation key, 11- power switches.
Embodiment
In the description of the invention, it is to be understood that term " " center ", " on ", " under ", "front", "rear", " left side ",
The orientation or position relationship of the instruction such as " right side ", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are based on shown in the drawings
Orientation or position relationship, be for only for ease of the description present invention and simplify description, rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Term " first ", " second " be only used for describe purpose, and it is not intended that instruction or imply relative importance or
The implicit quantity for indicating indicated technical characteristic.Thus, " first " is defined, the feature of " second " can be expressed or imply
Ground includes one or more this feature.Embodiment
With reference to figure 1-2, a kind of remote terminal tester, including housing 2 and the circuit board inside housing 2, the circuit board
Connect including processor, power transfer module, CAN, RS232 communication interfaces, ethernet interface, RS485 communications
Mouth, USB communication interface, data storage cell, clock module, reset control module, analog video acquisition module, power detecting fall
Electric protection module, display module, audio-frequency module and button expansion module；The CAN, RS232 communication interfaces, ether
The input with processor respectively of Network Communication interface, RS485 communication interfaces, USB communication interface, data storage cell and audio-frequency module
Output end connects；The power transfer module, clock module, reset control module, analog video acquisition module, power detecting fall
Electric protection module and button expansion module are connected with the input of processor respectively；The output end of the display module and processor
Connection.
Further, this implementation processor uses NXP PowerPC P1022 processors.
Further, the monitoring for resetting control module and being used for electrification reset and processor, the reset control module
Using chip MAX813LESA.
Further, the power detecting power down protection module is monitored using model TCM809JENB713 processor
Device, the processor monitor of the model TCM809JENB713 after the detection and power down of power circuit for processor for carrying
For stand-by power supply, the monitoring voltage of the processor monitor of the model TCM809JENB713 is up to 4V, and low level has
Effect, 3 pin SOT-23B encapsulation, when voltage reaches 4V threshold values, model TCM809JENB713 processor monitor produces
Interrupt, processor is after interrupting information is obtained, and by data storage cell saving scene data, enhances the data safety of system
Property.
Further, the data storage cell is deposited including DDR3 storages, NOR Flash memory chips and NAND Flash
Store up chip；The model MT41K512M16TW-107 of the storages of DDR3 described in the present embodiment, the 1G NAND Flash storages
Memory block of the chip as user data, the NOR Flash memory chips use 32M Nor Flash, as firmware and ginseng
Several memory blocks, so as to ensure that the autgmentability of data storage and abundant memory margin, while also firm user program operation
Rapidity and reliability.
Further, display module uses generic display controller, supports TFT LCD display devices and general LCD to show
Equipment, it can produce and the LVDS signals required for tool of production LCD display.
It should be noted that GPIO interface is less outside P1022 described in for the present embodiment, and on a large amount of and outside pieces
Peripheral hardware pin multiplexing.Further, the model TCA6424A, the TCA6424A of the button expansion module are used for twin wire
24 I/O expanders of bidirectional bus (I2C) are designed for passing through I2C interface（Serial clock SCL and serial data SDA）Come for
Most of microcontroller series provide universal remote I/O extension.
Further, the analog video acquisition module is using the TW6865 modules for possessing PCIE interfaces, the TW6865
Module is communicated as the input of front end by high-speed serial bus PCI-E with P1022；All peripheral interfaces are uniformly accessed into P1022,
Front end data and signal transacting are completed by P1022.
The audio-frequency module uses TLV3106 chips, is connected with processor P1022 TDM/I2S interfaces, have ADC and
DAC, gathered for MCVF multichannel voice frequency.The processor is connected by audio-frequency module with earphone and MIC.
Need to illustrate must to be in the present embodiment, the RS232 communication interfaces and RS485 communication interfaces are output to by bus
Device-specific aviation socket, for connecting Devices to test.The CAN is exported level signal by CAN transceiver
To device-specific aviation socket, for connecting Devices to test.The USB communication interface include 2, one be used for program debugging and
Download, another carries out 4 road USB2.0 by TCA6424A and extended, the control for application interfaces such as display screen, keyboard, mouses
System.USB communication interface described in the present embodiment includes chip CH375, and the clock module includes chip DS1302.Power convert mould
The model of block uses VRB_LD_30W.
Further, in configuration aspects, with reference to figure 2-5, the outer surface of housing 2 is additionally provided with protective case 1, and the housing 2 is just
Face is provided with function key 3 and display screen 4, and the both sides of the housing 2 are respectively equipped with multifunction conjunction 7 and audio connector 8, more work(
Energy joint 7 is integrated with CAN interface and ethernet interface；The top of the housing 2 be provided with first hook 5, second hook 6,
Communication joint 9, volume and brightness regulation key 10 and power switch 11, the communication joint 9 are integrated with USB communication interface, RS232
Communication interface and RS485 communication interfaces, for realizing processor and outside data communication function.Preferably, the present embodiment institute
It is LCD display or infrared touch panel to state display screen 4.
Further, with reference to figure 1-5, the function key 3 is lucite button, the button with the internal circuit board of housing 2
Expansion module connects；The display screen 4 is connected with the display module of the internal circuit board of housing 2, for video and test result
Display；The CAN of the multifunction conjunction 7 and the internal circuit board of housing 2, ethernet interface are connected, for
Outside communication；USB communication interface, RS232 communication interfaces and the RS485 of the communication joint 9 and the internal circuit board of housing 2 lead to
Believe interface connection；Volume and the brightness regulation key 10 is connected with the audio-frequency module and display module of the internal circuit board of housing 2；Institute
The power transfer module that power switch 11 is stated with the internal circuit board of housing 2 is connected.
Remote terminal tester sheathing material selects almag, and enclosure interior does anode conducting oxidation processes, improves anti-
Interference, in the first hook 5 and the second hook 6 using neck is hung on across band to operate, improve safety in utilization, weight
Gently, it is easy to carry.The present embodiment button selects lucite button, ensures that weight of equipment is light and has firm, small volume, takes
Band is convenient, the features such as anti shock and vibration.Remote terminal tester described in the present embodiment is very suitable for making for laboratory and outfield
With.In each bound fraction of housing, filled using sealing gasket, increase the dust and moisture ability of equipment.
It should be noted that the present embodiment uses VXworks6.8 embedded real-time operating systems, main flow PowerPC is supported
Processor, and possess flexible portable and upgradability, and the transplanting and upgrading of different hardware platforms are supported, for aobvious control later
The providing a great convenience property of software upgrading of system.VXworks6.8 operating systems are the more application tasks applications of a support
Real time operating system, the signal such as its disconnected in processes, collection and communication and data aspect, compared with other embedded OSs in reality
Have greater advantage in terms of when property, the response of processor stage casing and task switching time are Microsecond grade, this some can fully meet power down
The task response of protection, CAN communication and Ethernet requires.
A kind of remote terminal tester provided by the invention connects CAN communication module, ethernet communication interface, USB communications
The function such as mouth, RS232 communication interfaces, RS485 communication interfaces, vision signal and audio signal is integrated, is that a set of portable is comprehensive
The tester of conjunction property；The reset control module, power detecting power down protection module and button expansion module respectively with processor
Input connection, in terms of power down protection and power detecting, employ and reset control module and power supply switching and employ
The highly sensitive 4V threshold voltages detection of power detecting power down protection module, can be interrupted, and carry out in microsecond rank
Task field data-protection and Switching power.Stored by DDR3, NOR Flash memory chips and NAND Flash memory chips
It ensure that the autgmentability of data storage and abundant memory margin, while the also firm rapidity of user program operation and reliable
Property.
Above is the preferred embodiment of the present invention, it is noted that for those skilled in the art,
Under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as this hair
Bright protection domain.
Claims (10)
1. a kind of remote terminal tester, including housing（2）With positioned at housing（2）Internal circuit board, it is characterised in that：It is described
Circuit board includes processor, power transfer module, CAN, RS232 communication interfaces, ethernet interface, RS485
Communication interface, USB communication interface, data storage cell, clock module, reset control module, analog video acquisition module, power supply
Detect power down protection module, display module, audio-frequency module and button expansion module；The CAN, RS232 communications connect
Mouth, ethernet interface, RS485 communication interfaces, USB communication interface, data storage cell and audio-frequency module respectively with processing
The input/output terminal connection of device；The power transfer module, clock module, reset control module, analog video acquisition module, electricity
Power down protection module is detected in source and button expansion module is connected with the input of processor respectively；The display module and processor
Output end connection.
A kind of 2. remote terminal tester according to claim 1, it is characterised in that：Housing（2）Outer surface is additionally provided with guarantor
Sheath（1）, the housing（2）Front be provided with function key（3）And display screen（4）, the housing（2）Both sides be respectively equipped with it is more
Functional connector（7）And audio connector（8）, the multifunction conjunction（7）It is integrated with CAN interface and ethernet interface；It is described
Housing（2）Top be provided with first hook（5）, second hook（6）, communication joint（9）, volume and brightness regulation key（10）And electricity
Source switch（11）, the communication joint（9）It is integrated with USB communication interface, RS232 communication interfaces and RS485 communication interfaces；It is described
Housing（2）Using almag, housing（2）Do anode conducting oxidation processes in inside.
A kind of 3. remote terminal tester according to claim 2, it is characterised in that：The function key（3）For organic glass
Glass button, with housing（2）The button expansion module connection of internal circuit board；The display screen（4）With housing（2）Internal circuit board
Display module connection, the display for video and test result；The multifunction conjunction（7）With housing（2）Internal circuit board
CAN, ethernet interface connection, for outside communication；The communication joint（9）With housing（2）It is interior
The USB communication interface of portion's circuit board, RS232 communication interfaces connect with RS485 communication interfaces；Volume and the brightness regulation key
（10）With housing（2）The audio-frequency module of internal circuit board connects with display module；The power switch（11）With housing（2）It is internal
The power transfer module connection of circuit board.
A kind of 4. remote terminal tester according to Claims 2 or 3, it is characterised in that：The display screen（4）For LCD
Display screen or infrared touch panel.
A kind of 5. remote terminal tester according to claim 1, it is characterised in that：The processor uses NXP
PowerPC P1022 processors.
A kind of 6. remote terminal tester according to claim 1, it is characterised in that：The reset control module is used for
The monitoring of reset and processor, the reset control module use chip MAX813LESA.
A kind of 7. remote terminal tester according to claim 1, it is characterised in that：The power detecting power down protection mould
Block uses model TCM809JENB713 processor monitor, the processor monitoring of the model TCM809JENB713
Device is used to provide stand-by power supply, the place of the model TCM809JENB713 after the detection and power down of power circuit for processor
The monitoring voltage of reason device monitor is up to 4V, when voltage reaches 4V threshold values, model TCM809JENB713 processor
Monitor produces interruption, and processor passes through data storage cell saving scene data after interrupting information is obtained.
A kind of 8. remote terminal tester according to claim 1, it is characterised in that：The data storage cell includes
DDR3 storages, NOR Flash memory chips and NAND Flash memory chips, the model of the DDR3 storages
MT41K512M16TW-107。
A kind of 9. remote terminal tester according to claim 1, it is characterised in that：The model of the button expansion module
For for being used to provide universal remote I/O extension for processor for TCA6424A, the TCA6424A.
A kind of 10. remote terminal tester according to claim 1, it is characterised in that：The analog video acquisition module
Using the TW6865 modules for possessing PCIE interfaces, the TW6865 modules are communicated by high-speed serial bus with P1022；The sound
Frequency module uses TLV3106 chips, is gathered for MCVF multichannel voice frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710959731.2A CN107798853A (en) | 2017-10-16 | 2017-10-16 | A kind of remote terminal tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710959731.2A CN107798853A (en) | 2017-10-16 | 2017-10-16 | A kind of remote terminal tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107798853A true CN107798853A (en) | 2018-03-13 |
Family
ID=61533992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710959731.2A Pending CN107798853A (en) | 2017-10-16 | 2017-10-16 | A kind of remote terminal tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107798853A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110927411A (en) * | 2019-10-16 | 2020-03-27 | 国网浙江省电力有限公司金华供电公司 | Auxiliary wiring device for transformer test |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0619568A1 (en) * | 1993-04-05 | 1994-10-12 | Whirlpool Corporation | Diagnostic method and apparatus for a domestic appliance |
| CN201312366Y (en) * | 2008-11-14 | 2009-09-16 | 山东信通电器有限公司 | IPTV comprehensive tester |
| CN201467458U (en) * | 2009-06-08 | 2010-05-12 | 长讯通信服务有限公司 | Mobile communication network multi-parameter tester |
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| CN103699044A (en) * | 2013-09-12 | 2014-04-02 | 中国人民解放军92941部队 | Inside test module |
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| CN110927411A (en) * | 2019-10-16 | 2020-03-27 | 国网浙江省电力有限公司金华供电公司 | Auxiliary wiring device for transformer test |
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Application publication date: 20180313 |