CN106896316A - A kind of charging pile tester with oscillograph function - Google Patents
A kind of charging pile tester with oscillograph function Download PDFInfo
- Publication number
- CN106896316A CN106896316A CN201710322998.0A CN201710322998A CN106896316A CN 106896316 A CN106896316 A CN 106896316A CN 201710322998 A CN201710322998 A CN 201710322998A CN 106896316 A CN106896316 A CN 106896316A
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- Prior art keywords
- signal
- probe
- charging pile
- processing unit
- central processing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2832—Specific tests of electronic circuits not provided for elsewhere
- G01R31/2834—Automated test systems [ATE]; using microprocessors or computers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R13/00—Arrangements for displaying electric variables or waveforms
- G01R13/02—Arrangements for displaying electric variables or waveforms for displaying measured electric variables in digital form
- G01R13/0209—Arrangements for displaying electric variables or waveforms for displaying measured electric variables in digital form in numerical form
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of charging pile tester with oscillograph function.It includes：Analog signal input probe, non-electrical signal input probe, On-off signal probe, output switch parameter probe are connected by signal conditioning circuit with analog-to-digital conversion module respectively；The analog-to-digital conversion module will be input into after analog signal is converted to data signal, output to field programmable gate array；The field programmable gate array is output data in embedded central processing unit；The CAN communication probe and RS485 communication probes are connected by signal isolation circuit with signal drive circuit, and the output end of the signal drive circuit is connected with the embedded central processing unit；The embedded central processing unit is used to process input data and produces sampled clock signal；The embedded central processing unit is also connected with least one user interaction device, and provides at least one data interaction interface.Display shows the signal waveform of at least four or above input channel.
Description
Technical field
The present invention relates to charging pile detection technique field, more particularly to a kind of charging pile test with oscillograph function
Instrument.
Background technology
With the continuous lifting of environmental requirement, the application of electric automobile or hybrid vehicle is more and more extensive.Due to
The use characteristic of electric automobile charging pile sufficient enough is laid using region, it is necessary to can just make electric automobile disclosure satisfy that day
The requirement for often using.Maintenance or laying accordingly, with respect to electric automobile charging pile are a very huge engineerings, it is necessary to throw
Enter very big manpower and materials to complete.
In existing charging pile maintenance process, the charging pile tester for using is by millivoltmeter, power analyzer, oscillography
The various instrument combinations of device etc..Due to having different function differences between different tester equipment, so this
A little unit equipments can not fully meet the testing requirement of charging pile.For example, the test point of charging pile is a lot, needed during detection same
When check the otherness of these signals.But existing tester input channel is less, only 2~4 passages.Therefore, needing
When checking that a certain electric signal changes, these unit equipments can not then show the current information of other signals, can only pass through
The waveform that passage switches to check passage changes, and frequently enters the regular maintenance that row of channels switching is not easy to charging pile.
Therefore, prior art is also to be developed.
The content of the invention
In view of above-mentioned the deficiencies in the prior art part, it is an object of the invention to provide a kind of filling with oscillograph function
Electric stake tester, it is intended to solve that charging pile tester input channel quantity in the prior art is few, it is necessary to frequent switching passage is asked
Topic.
In order to achieve the above object, this invention takes following technical scheme：
A kind of charging pile tester with oscillograph function, wherein, including：
Several analog signal input probes, non-electrical signal input probe, On-off signal are popped one's head in, output switch parameter is popped one's head in,
CAN communication is popped one's head in and RS485 communication probes, forms corresponding input channel；
The analog signal input probe, non-electrical signal input probe, On-off signal probe, output switch parameter probe difference
It is connected with analog-to-digital conversion module by a signal conditioning circuit；
The analog-to-digital conversion module will be input into after analog signal is converted to data signal, output to field programmable gate battle array
Row；The field programmable gate array is output data in embedded central processing unit；
The CAN communication probe and RS485 communication probes are connected by signal isolation circuit with signal drive circuit, the letter
The output end of number drive circuit is connected with the embedded central processing unit；
The embedded central processing unit is used to process input data and produces sampled clock signal；The embedded centre
Reason device is also connected with least one user interaction device, and provides at least one data interaction interface；
The user interaction device includes display, and the display shows under the control of the embedded central processing unit
At least two or the signal waveform of above input channel.
The described charging pile tester with oscillograph function, wherein, the input channel is advance with least one
The sensitive pathway of setting；
When the input signal of the sensitive pathway changes, the display shows the signal wave of other input channels simultaneously
Shape.
The described charging pile tester with oscillograph function, wherein, the analog signal input probe is set to 32
Individual, the non-electrical signal input probe is set to 8, and the On-off signal probe is set to 16, and the switching value is defeated
Go out probe and be set to 16, the CAN communication probe is set to 2, and the RS485 communications probe is set to 2.
The described charging pile tester with oscillograph function, wherein, the field programmable gate array with it is embedding
Enter formula central processing unit to be communicated by PCI-E buses.
The described charging pile tester with oscillograph function, wherein, the user interaction device also includes：Mouse with
And keyboard.
Described electric automobile charging pile tester, wherein, the big capacity hard disk records institute according to data acquisition time
State the input data after treatment.
The described charging pile tester with oscillograph function, wherein, the data interaction interface connects for usb communication
Mouthful.
The described charging pile tester with oscillograph function, wherein, the electric automobile charging pile tester is also wrapped
Include mass-memory unit；The mass-memory unit is connected with the embedded central processing unit, records described embedded
The data of central processing unit.
Beneficial effect：The charging pile tester with oscillograph function that the present invention is provided, with various different types and
The input channel of quantity（Probe）, and these input channels signal waveform can show over the display, such that it is able to
Meet the requirement for testing each test point of charging pile simultaneously, during test use, it is not necessary to toggle passage and tested,
Test point data consistency is ensure that, testing efficiency is improved, had a good application prospect.
Brief description of the drawings
Fig. 1 is the functional block diagram of the charging pile tester with oscillograph function provided in an embodiment of the present invention.
Fig. 2 is the application example schematic diagram of the charging pile tester with oscillograph function provided in an embodiment of the present invention.
Specific embodiment
The present invention provides a kind of charging pile tester with oscillograph function with oscillograph function.To make the present invention
Purpose, technical scheme and effect it is clearer, clear and definite, the embodiment that develops simultaneously referring to the drawings to the present invention further specifically
It is bright.It should be appreciated that specific embodiment described herein is only used to explain the present invention, it is not intended to limit the present invention.
As shown in figure 1, being a kind of charging pile tester with oscillograph function provided in an embodiment of the present invention.Including：
Several analog signal input probes 110, non-electrical signal input probe 120, On-off signal probe 130, output switch parameter
Probe 140, CAN communication probe 150 and RS485 communications probe 160.Each probe is respectively formed an independent input and leads to
Road, is used to gather input signal, for example, gather analog signal or on-off model of different charging pile difference test points etc..
Wherein, the analog signal input probe, non-electrical signal input probe, On-off signal probe, switching value are defeated
Go out probe to be connected with analog-to-digital conversion module 300 by a signal conditioning circuit 200 respectively.Can be with by signal conditioning circuit 200
Input input forceful electric power signal is converted into the range of signal that analog-to-digital conversion module can be gathered, so as to realize analog signal and numeral
Conversion between signal.
The analog-to-digital conversion module 300 will be input into after analog signal is converted to data signal, and output to field-programmable is patrolled
Collect gate array 400.The field programmable gate array is output data in embedded central processing unit 500.Alternatively, institute
Field programmable gate array is stated to be communicated by PCI-E buses with embedded central processing unit.Had using PCI-E buses
Have and export transmission speed faster, meet data transfer of the field programmable gate array between embedded central processing unit
Demand.
The CAN communication probe 150 and RS485 communications probe 160 is by signal isolation circuit 600 and signal driving electricity
Road 700 connects, and the output end of the signal drive circuit is connected with the embedded central processing unit 500.In some embodiments
In, the signal isolation circuit gathers the switch actuating signals of charging pile and charging gun by way of light-coupled isolation.Another
In a little embodiments, the signal isolation circuit realizes record charging pile charging process also further by CAN isolation method
In communication protocol（BMS）.
Specifically, the embedded central processing unit is the core of whole tester, it is used to process data, divides
Analysis or other suitable logical operations.In certain embodiments, the embedded central processing unit can be with a storage
Unit, the memory cell one or more software program that is stored with is called for the embedded central processing unit, so as to hold
One or more operating procedures of row to data.The processor or logical operation list of any suitable type can specifically be used
Unit realizes such function, and the multinuclear embedded central processing unit of such as some low-power consumption is used to monitor analysis charging process
In BMS communication protocol interactions, and analyze charging pile power, harmonic wave etc..
The embedded central processing unit can also produce sampled clock signal, with for each channel acquisition data-signal
Use.As shown in figure 1, the embedded central processing unit is also connected with least one user interaction device 700, and provide at least
One data interactive interface 800.
Wherein, the user interaction device 700 includes display 701.The display 701 is in the embedded centre
Manage under the control of device, the signal waveform of display at least two or above input channel.Due to each probe（That is input channel）
Input signal be incorporated into the embedded central processing unit in processed.Therefore, it can according to actual needs, display is complete
The waveform of the input signal of the input channel of portion or a portion, uses for operation maintenance personnel detection, or comparison.
In embodiments of the present invention, there can be at least one sensitive pathway for pre-setting in the input channel.
When the input signal of the sensitive pathway changes, the display shows the signal waveform of other input channels simultaneously, from
And be easy to test site to compare waveform and change.
Specifically, the analog signal input probe is set to 32, the non-electrical signal input probe is set to 8
Individual, the On-off signal probe is set to 16, and the output switch parameter probe is set to 16, the CAN communication probe
2 are set to, the RS485 communications probe is set to 2.Basic guarantee attendant is in detection so by the probe of quantity
Use demand during charging pile.
As shown in figure 1, in other embodiments of the invention, the user interaction device can also include：Mouse/key
Disk, the data interaction interface is USB communication interface.
Alternatively, the charging pile tester with oscillograph function can also include mass-memory unit 900.Institute
State mass-memory unit to be connected with the embedded central processing unit, record the data of the embedded central processing unit.
During test is carried out, the method that can be realized by software by embedded central processing unit, according to data acquisition time, in institute
State mass-memory unit（Such as HDD hard disks）In, record the input data after the treatment.Record in mass-memory unit
File size can also freely be set by user, by above-mentioned data interaction interface（Such as USB interface）, realize these data text
Freely importing or deriving for part, is convenient for follow-up further analysis.
Fig. 2 is the application example of the charging pile tester with oscillograph function provided in an embodiment of the present invention.Such as Fig. 2 institutes
Show, the application example includes automobile charging pile 10, test guide device 20, electric automobile 30 and with oscillograph function
Charging pile tester 40.
The charging pile tester 40 obtains automobile charging pile 10 with load（It is charging electric vehicle）When input
Voltage x current information and the voltage x current information of inside, and by testing guide device 20, obtain the running status of charging pile
Amount, output voltage current information and BMS agreements." electric " signal of electric automobile 30 accesses this tester, runtime, i.e.,
The signal waveform of each charging pile test point can be over the display shown, while carrying out data analysis, power, harmonic wave is shown, is had
The curves such as valid value, switching value change, further by configuring any channel signal for sensitive signal can also believe when sensitivity is met
When number thresholding, other passages are triggered.
In sum, the embodiment of the present invention provides the charging pile tester with oscillograph function with oscillograph function
Probe with sufficient amount and species, can meet the requirement for testing each test point of charging pile simultaneously, without carrying out switchback again
Change passage to be tested, it is ensured that test point data consistency.In use, a certain signal can also be arbitrarily set used as quick
Sense signal, when sensitive signal changes, display shows the data of other signals simultaneously（The various electricity of such as charging pile
Gas signal waveform, the BMS communication protocol interactions in charging process, charging pile power, harmonic wave etc.）, by display institute in real time
There is the waveform of signal, without switching channel, be easy to test site to compare waveform and change, improve testing efficiency, reduce testing cost.
It is understood that for those of ordinary skills, can be with technology according to the present invention scheme and this hair
Bright design is subject to equivalent or change, and all these changes or replacement should all belong to the guarantor of appended claims of the invention
Shield scope.
Claims (8)
1. a kind of charging pile tester with oscillograph function, it is characterised in that including：
Several analog signal input probes, non-electrical signal input probe, On-off signal are popped one's head in, output switch parameter is popped one's head in,
CAN communication is popped one's head in and RS485 communication probes, forms corresponding input channel；
The analog signal input probe, non-electrical signal input probe, On-off signal probe, output switch parameter probe difference
It is connected with analog-to-digital conversion module by a signal conditioning circuit；
The analog-to-digital conversion module will be input into after analog signal is converted to data signal, output to field programmable gate battle array
Row；The field programmable gate array is output data in embedded central processing unit；
The CAN communication probe and RS485 communication probes are connected by signal isolation circuit with signal drive circuit, the letter
The output end of number drive circuit is connected with the embedded central processing unit；
The embedded central processing unit is used to process input data and produces sampled clock signal；The embedded centre
Reason device is also connected with least one human-computer interaction device, and provides at least one data interaction interface；
The human-computer interaction device includes display, and the display shows under the control of the embedded central processing unit
At least four or the signal waveform of above input channel.
2. the charging pile tester with oscillograph function according to claim 1, it is characterised in that the input channel
With at least one trigger port for pre-setting；
When the input signal of the trigger port changes, the display shows the signal wave of other input channels simultaneously
Shape.
3. the charging pile tester with oscillograph function according to claim 1, it is characterised in that the analog signal
Input probe is set to 32, and the non-electrical signal input probe is set to 8, and the On-off signal probe is set to 16
Individual, the output switch parameter probe is set to 16, and the CAN communication probe is set to 2, and the RS485 communications probe sets
It is set to 2.
4. the charging pile tester with oscillograph function according to claim 1, it is characterised in that the scene can compile
Journey logic gate array is communicated with embedded central processing unit by PCI-E buses.
5. the charging pile tester with oscillograph function according to claim 1, it is characterised in that the man-machine interaction
Equipment also includes：Mouse and keyboard；
The charging pile tester with oscillograph function also includes big capacity hard disk, the big capacity hard disk and the insertion
Formula central processing unit is connected, and is used to record the output data of the embedded central processing unit.
6. the charging pile tester with oscillograph function according to claim 5, it is characterised in that the Large Copacity is hard
Disk records the input data after the treatment according to data acquisition time.
7. the charging pile tester with oscillograph function according to claim 1, it is characterised in that the data interaction
Interface is USB communication interface.
8. the charging pile tester with oscillograph function according to claim 1, it is characterised in that the electric automobile
Charging pile tester also includes mass-memory unit；
The mass-memory unit is connected with the embedded central processing unit, records the number of the embedded central processing unit
According to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710322998.0A CN106896316A (en) | 2017-05-09 | 2017-05-09 | A kind of charging pile tester with oscillograph function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710322998.0A CN106896316A (en) | 2017-05-09 | 2017-05-09 | A kind of charging pile tester with oscillograph function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106896316A true CN106896316A (en) | 2017-06-27 |
Family
ID=59196728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710322998.0A Pending CN106896316A (en) | 2017-05-09 | 2017-05-09 | A kind of charging pile tester with oscillograph function |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1967263A (en) * | 2006-07-27 | 2007-05-23 | 深圳市元征软件开发有限公司 | Wireless oscillograph especial for automobile |
| CN101013142A (en) * | 2006-12-29 | 2007-08-08 | 徐红启 | Portable universal digital storage oscillograph |
| CN102156228A (en) * | 2011-03-02 | 2011-08-17 | 深圳市科陆电子科技股份有限公司 | System and method for detecting vehicular direct-current charging pile |
| CN203069643U (en) * | 2012-12-21 | 2013-07-17 | 优利德科技(成都)有限公司 | Multiple variable bandwidth digital storage oscilloscope |
| CN203572889U (en) * | 2013-03-26 | 2014-04-30 | 国家电网公司 | Automatic test system for electric-card charging device |
| CN204330849U (en) * | 2014-09-25 | 2015-05-13 | 上海上益教育设备制造有限公司 | A kind of Multi-function experimental virtual instrument |
| CN205246841U (en) * | 2015-12-29 | 2016-05-18 | 特变电工南京智能电气有限公司 | Alternating -current charging stake testing arrangement with electric energy repayment function |
| CN106771701A (en) * | 2016-11-15 | 2017-05-31 | 中国电力科学研究院 | A kind of electric vehicle charge interface uniformity automated detection system and method |
-
2017
- 2017-05-09 CN CN201710322998.0A patent/CN106896316A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1967263A (en) * | 2006-07-27 | 2007-05-23 | 深圳市元征软件开发有限公司 | Wireless oscillograph especial for automobile |
| CN101013142A (en) * | 2006-12-29 | 2007-08-08 | 徐红启 | Portable universal digital storage oscillograph |
| CN102156228A (en) * | 2011-03-02 | 2011-08-17 | 深圳市科陆电子科技股份有限公司 | System and method for detecting vehicular direct-current charging pile |
| CN203069643U (en) * | 2012-12-21 | 2013-07-17 | 优利德科技(成都)有限公司 | Multiple variable bandwidth digital storage oscilloscope |
| CN203572889U (en) * | 2013-03-26 | 2014-04-30 | 国家电网公司 | Automatic test system for electric-card charging device |
| CN204330849U (en) * | 2014-09-25 | 2015-05-13 | 上海上益教育设备制造有限公司 | A kind of Multi-function experimental virtual instrument |
| CN205246841U (en) * | 2015-12-29 | 2016-05-18 | 特变电工南京智能电气有限公司 | Alternating -current charging stake testing arrangement with electric energy repayment function |
| CN106771701A (en) * | 2016-11-15 | 2017-05-31 | 中国电力科学研究院 | A kind of electric vehicle charge interface uniformity automated detection system and method |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170627 |
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| RJ01 | Rejection of invention patent application after publication |