CN207148169U - Automatic high-speed switch apparatus test device - Google Patents
Automatic high-speed switch apparatus test device Download PDFInfo
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- CN207148169U CN207148169U CN201721203938.9U CN201721203938U CN207148169U CN 207148169 U CN207148169 U CN 207148169U CN 201721203938 U CN201721203938 U CN 201721203938U CN 207148169 U CN207148169 U CN 207148169U
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Abstract
The utility model discloses a kind of automatic high-speed switch apparatus test device, including computer and switch control panel, its Computer is connected by USB interface with switch control panel, computer is connected by com interface with equipment under test, the power supply of equipment under test is through switching control panel access, the switch control panel includes MCU circuits, USB communicating circuits and MOS switch circuit, and the MCU circuits are bi-directionally connected with USB communicating circuits, the input of the output end connection MOS switch circuit of MCU circuits；The switch controlling signal that control software on computer is sent is sent to MCU circuits through USB communicating circuits, MOS switch circuit operation is controlled after MCU processing of circuit, make power on or the shut-off of equipment under test, simultaneous computer reads the boot-strap information of equipment under test by com interface.The utility model automaticity is high, efficiency high, largely saves cost of human resources.
Description
Technical field
The utility model belongs to Electronic Testing Technology field, and in particular to a kind of automatic high-speed switch apparatus test device.
Background technology
In the development test of light cat, wireless router and direct current communication product, it is often necessary to which test equipment is in work
Make lower thousand switching on and shutting down of voltage, see whether model machine has the electrifying timing sequence mistake on hardware, memory read-write errors etc. to cause model machine
Be unable to the situation of normal boot-strap, traditional approach is the button of artificial manual nonstop switch power supply, using model machine as much as possible and
On-off times remove test prototype, and tester must wait for aside, so that the very first time pinpoints the problems.With human cost
It is continuously increased, tester needs to improve efficiency to complete more test items.
Utility model content
The utility model technical issues that need to address be to provide it is a kind of rapidly and efficiently, boot failure be automatically stopped test simultaneously
The automatic high-speed switch apparatus test device of record.
To solve the above problems, technical solution adopted in the utility model is：
A kind of automatic high-speed switch apparatus test device, including the computer with COM and USB interface and by computer control
The switch control panel of system, its Computer are connected by USB interface with switch control panel, and computer is by com interface with being tested
Equipment connects, and the power supply of equipment under test includes MCU circuits, USB communicating circuits through switching control panel access, the switch control panel
And MOS switch circuit, the MCU circuits are bi-directionally connected with USB communicating circuits, the output end connection MOS switch electricity of MCU circuits
The input on road；The switch controlling signal that control software on computer is sent is sent to MCU circuits, MCU through USB communicating circuits
MOS switch circuit operation is controlled after processing of circuit, makes power on or the shut-off of equipment under test, simultaneous computer passes through COM
Interface reads the boot-strap information of equipment under test.
Further, the switch control panel also includes current monitoring circuit, the input of the current monitoring circuit and
MOS switch circuit connects, the input of the output end connection MCU circuits of current monitoring circuit, the electricity of current monitoring circuit collection
Stream information through USB communicating circuits after MCU processing of circuit by feeding back to computer.
Preferably, the current monitoring circuit includes the height being series between MOS switch circuit output end and equipment under test
Resistance Rsense and the A/D change-over circuit of the small resistance of precision, the both ends of the resistance Rsense connect A/D change-over circuits respectively
RS+ and RS- ends.
Preferably, the MOS switch circuit includes resistance R2-R4, P_MOS switch chip U1, wherein optocoupler ISO1, optocoupler
The ISO1 pin of input 1 is connect digitally by resistance R3 connection control signal data_1, optocoupler the ISO1 pin of input 2, optocoupler
The ISO1 pin of output end 3 connection simulation ground, the optocoupler ISO1 pin of output end 4 by resistance R2 connection input power VCC_input,
It is simultaneously defeated by resistance R4 connection P_MOS switch chips U1 4 pin grids, P_MOS switch chips U1 1,2,3 pin source electrodes connection
Enter power supply needed for power supply VCC_input, P_MOS switch chip U1 5,6,7,8 pin drain electrode output equipment under test.
Preferably, the MOS switch circuit sets multichannel, there is a single control signal per road, and per road all
Provided with current monitoring circuit.
Preferably, the MOS switch circuit sets three tunnels, there is a single control signal per road, and per road all
Provided with current monitoring circuit.
It is using beneficial effect caused by above-mentioned technical proposal：
The utility model uses computer as master control equipment, is controlled using software program to being switched on and off control panel
System, so as to realize thousand switch experiments to equipment under test power supply, and is judged out by capturing the boot-strap information of equipment under test
Whether machine succeeds, and then realizes the monitoring to thousand switching on and shutting down situations of equipment, and automaticity is high, efficiency high, largely saves people
Power resources costs.
Brief description of the drawings
Fig. 1 is the utility model principle block diagram；
Fig. 2 is the utility model circuit theory diagrams；
Fig. 3 is the flow chart using the utility model test north side equipment.
Embodiment
Utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in figure 1, the utility model includes the computer with COM and USB interface and opening by computer control
Control panel is closed, its Computer is connected by USB interface with switch control panel, and computer is connected by com interface and equipment under test
Connect, the power supply of equipment under test includes MCU circuits, USB communicating circuits, MOS and opened through switching control panel access, the switch control panel
Powered-down road and current monitoring circuit, the MCU circuits are bi-directionally connected with USB communicating circuits, the output end connection of MCU circuits
The input of MOS switch circuit, the input of current monitoring circuit are connected with MOS switch circuit, the output of current monitoring circuit
The input of end connection MCU circuits, the switch controlling signal that the control software on computer is sent through USB communicating circuits send to
MCU circuits, MOS switch circuit operation is controlled after MCU processing of circuit, makes power on or the shut-off of equipment under test, counts simultaneously
Calculation machine reads the boot-strap information of equipment under test by com interface.The current information of the current monitoring circuit collection passes through MCU electricity
After the processing of road computer is fed back to through USB communicating circuits.
As shown in Fig. 2 the MOS switch circuit includes resistance R2-R4, P_MOS switch chip U1, optocoupler ISO1, wherein
The optocoupler ISO1 pin of input 1 is connect digitally by resistance R3 connection control signal data_1, optocoupler the ISO1 pin of input 2,
The optocoupler ISO1 pin of output end 3 connection simulation ground, the optocoupler ISO1 pin of output end 4 pass through resistance R2 connection input powers VCC_
Input, while pass through resistance R4 connection P_MOS switch chips U1 4 pin grids, P_MOS switch chips U1 1,2,3 pin source electrodes
Power supply needed for connecting input power VCC_input, P_MOS switch chip U1 5,6,7,8 pin drain electrode output equipment under test, that is, pass through
Resistance Rsense connection out-put supplies VCC_output.The current monitoring circuit includes being series at MOS switch circuit output end
Resistance Rsense and the A/D change-over circuit of the small resistance of high accuracy between equipment under test, the both ends of the resistance Rsense
RS+ the and RS- ends of A/D change-over circuits are connected respectively.Wherein input power VCC_input is connected by electric power connecting head J7 and power supply
Connect, while power filtering capacitor C346 is set, whether be reliably connected for the ease of observation power supply, be provided with input power display electricity
Road, it is made up of resistance R213 and light emitting diode D10, power supply VCC_input limits through light emitting diode D10 and resistance R213 successively
Connection simulation ground after stream.It is connected for convenience with equipment under test, switchs and power supply output connection-peg J1, electricity are additionally provided with control panel
Whether source output connection-peg J1 one end connection out-put supply VCC_output, one end connection simulation ground, connect for ease of observation power supply
Connect, or even whether the MOS switch circuit for judging to switch control panel breaks down, and out-put supply display circuit is provided with, by electricity
Hinder R1 and light emitting diode D1 to form, power supply VCC_output connects simulation after resistance R1 current limlitings and light emitting diode D1 successively
Ground, while power filtering capacitor C1 is set, filter capacitor C1 one end connection out-put supply VCC_output, one end connection simulation
Ground.
In order to realize efficient test, computer and MCU performance are made full use of, the MOS switch circuit sets more
Road, multichannel MOS switch circuit correspond to more equipment under tests, and MOS switch circuit, every road MOS are opened all the way for every equipment under test connection
Powered-down road has a single control signal to control, and is not interfere with each other between each road, and current monitoring electricity is designed with per road
Road.Preferably, the MOS switch circuit sets three tunnels.
Using test flow chart of the present utility model as shown in figure 3, if the test request of certain equipment under test is：Start shooting into
Work(log is that " Every thing is OK ", will survey No. 1000 high-speed switch machines to character string, and power switch time interval is 3S.
This needs us that str_wait positions being set to, successfully log character strings of starting shooting " Every thing isOK ", are surveyed
Examination number maximum is set to that 1000, off_time is set as that 3s, overtime time_out are set to 60s (being more than the available machine time),
Test_mode is set to interrupt mode.When testing equipment under test, software recognizes " Every thing is OK " in start
After character string, system sends low level data_1 signals and is given to MOS switch module, carries out shutdown processing and high electricity is sent after 3s
Flat data_1 carries out the test of switching on and shutting down next time.During if every time can normal boot-strap, can loop test finish for 1000 times；
If in test process, once abnormal start, then it can pass through the test of model machine into interrupt mode, test cut-off, engineer
Log character strings are problematic to judge model machine switching on and shutting down, and then analyze the reason for going wrong.
Claims (6)
- A kind of 1. automatic high-speed switch apparatus test device, it is characterised in that：Including the computer with COM and USB interface and The switch control panel controlled by computer, its Computer are connected by USB interface with switch control panel, and computer passes through COM Interface is connected with equipment under test, the power supply of equipment under test through switching control panel access, the switch control panel include MCU circuits, USB communicating circuits and MOS switch circuit, the MCU circuits are bi-directionally connected with USB communicating circuits, and the output end of MCU circuits connects Connect the input of MOS switch circuit；The switch controlling signal that control software on computer is sent through USB communicating circuits send to MCU circuits, MOS switch circuit operation is controlled after MCU processing of circuit, makes power on or the shut-off of equipment under test, counts simultaneously Calculation machine reads the boot-strap information of equipment under test by com interface.
- 2. automatic high-speed switch apparatus test device according to claim 1, it is characterised in that the switch control panel also wraps Current monitoring circuit is included, the input of the current monitoring circuit is connected with MOS switch circuit, the output end of current monitoring circuit Connect MCU circuits input, current monitoring circuit collection current information by after MCU processing of circuit through USB communicating circuits Feed back to computer.
- 3. automatic high-speed switch apparatus test device according to claim 2, it is characterised in that the current monitoring circuit bag Include resistance Rsense and the A/D conversion of the small resistance of the high accuracy being series between MOS switch circuit output end and equipment under test Circuit, the both ends of the resistance Rsense connect RS+ the and RS- ends of A/D change-over circuits respectively.
- 4. the automatic high-speed switch apparatus test device according to claim any one of 1-3, it is characterised in that the MOS switch Circuit includes resistance R2-R4, P_MOS switch chip U1, optocoupler ISO1, and the wherein optocoupler ISO1 pin of input 1 passes through resistance R3 Connection control signal data_1, optocoupler the ISO1 pin of input 2 connect digitally, the optocoupler ISO1 pin of output end 3 connection simulation ground, The optocoupler ISO1 pin of output end 4 is opened by resistance R2 connection input power VCC_input, while by resistance R4 connections P_MOS Close chip U1 4 pin grids, P_MOS switch chips U1 1,2,3 pin source electrodes connection input power VCC_input, P_MOS switch Power supply needed for chip U1 5,6,7,8 pin drain electrode output equipment under test.
- 5. automatic high-speed switch apparatus test device according to claim 4, it is characterised in that the MOS switch circuit is set Multichannel, there is a single control signal per road, and current monitoring circuit is designed with per road.
- 6. automatic high-speed switch apparatus test device according to claim 4, it is characterised in that the MOS switch circuit is set Three tunnels, there is a single control signal per road, and current monitoring circuit is designed with per road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721203938.9U CN207148169U (en) | 2017-09-20 | 2017-09-20 | Automatic high-speed switch apparatus test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721203938.9U CN207148169U (en) | 2017-09-20 | 2017-09-20 | Automatic high-speed switch apparatus test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207148169U true CN207148169U (en) | 2018-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721203938.9U Active CN207148169U (en) | 2017-09-20 | 2017-09-20 | Automatic high-speed switch apparatus test device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108494631A (en) * | 2018-03-30 | 2018-09-04 | 四川斐讯信息技术有限公司 | A kind of the switching on and shutting down performance test methods and system of router |
| CN109342867A (en) * | 2018-09-03 | 2019-02-15 | 惠州市德赛西威智能交通技术研究院有限公司 | On-off electric test device |
| CN111049706A (en) * | 2019-12-24 | 2020-04-21 | 上海移远通信技术股份有限公司 | Communication module testing device |
-
2017
- 2017-09-20 CN CN201721203938.9U patent/CN207148169U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108494631A (en) * | 2018-03-30 | 2018-09-04 | 四川斐讯信息技术有限公司 | A kind of the switching on and shutting down performance test methods and system of router |
| CN109342867A (en) * | 2018-09-03 | 2019-02-15 | 惠州市德赛西威智能交通技术研究院有限公司 | On-off electric test device |
| CN111049706A (en) * | 2019-12-24 | 2020-04-21 | 上海移远通信技术股份有限公司 | Communication module testing device |
| CN111049706B (en) * | 2019-12-24 | 2022-09-06 | 上海移远通信技术股份有限公司 | Communication module testing device |
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