CN109342971A - Charging pile part quality detection system and AC DC charging pile component detection system - Google Patents
Charging pile part quality detection system and AC DC charging pile component detection system Download PDFInfo
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- CN109342971A CN109342971A CN201811249191.XA CN201811249191A CN109342971A CN 109342971 A CN109342971 A CN 109342971A CN 201811249191 A CN201811249191 A CN 201811249191A CN 109342971 A CN109342971 A CN 109342971A
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- charging module
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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
- G01R31/40—Testing power supplies
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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
- G01R31/40—Testing power supplies
- G01R31/42—AC power supplies
Abstract
The invention discloses a kind of charging pile part quality detection system, main circuit unit includes: current transformer；Two-way DC/DC translation circuit；Current divider；Charging module；The control circuit unit includes: master controller, to execute test program；Master controller and current transformer, two-way DC/DC translation circuit exchange programmable power supply and are communicated；Master controller is communicated with touch screen, and touch screen is communicated with barcode scanning gun；Master controller is communicated with host computer；Master controller is communicated with master meter, tested ammeter；Master controller is communicated with tested charging module；Through the invention can be using the energy in charging pile detection process as the energy input of charging pile, power grid only provides the loss of equipment itself；The charging module that alternating current-direct current power grid inputs can be applicable in, and can save energy；It can be used in the quality test of charging pile critical component.
Description
Technical field
The present invention relates to a kind of charging pile part quality detection systems, in particular to a kind of alternating current-direct current charging pile test system
System.
Background technique
As the development of charging pile expands, the type and quantity of charging pile component are consequently increased.However charging pile portion
Part quality it is very different, may cause the raising of charging pile failure rate.In order to reduce the failure rate of charging pile, charging pile is closed
The strictly examination of key member is essential.The component of charging pile is mainly charging module, DC meter, DC relay etc..Mesh
Preceding device is substantially the test to charging pile entirety, surveys without special test platform to charging pile main component
Examination, it is test in normal mode that integrated testability, which is directed to the cooperation of all modules,.And integrated testability is to complete
Test after charging pile is completed then will affect the manufacturing schedule of entire charging pile if it find that component has lot size problem.
In order to produce charging pile early period just it can be found that lot size problem, carries out into factory's sample testing being very to charging pile main component
It is necessary to.
Summary of the invention
The object of the present invention is to provide a kind of charging pile part quality detection systems and AC DC charging pile component to detect
System can detect the component of alternating current and direct current charging pile, and the energy in detection process may be recovered, and avoid energy
The waste of amount.
The object of the present invention is achieved like this: a kind of charging pile part quality detection system, including main circuit unit and
Control circuit unit；
The main circuit unit includes:
Current transformer, to realize the two-way changing of AC and DC；
Two-way DC/DC translation circuit is electrically connected to control DC voltage conversion with current transformer, realizes the transmitted in both directions of energy；
Current divider connects tested ammeter and master meter, to cooperate tested ammeter and master meter to record the electricity in main circuit
Pressure, current data；
Charging module, detected object, the end Out are connected to two-way DC/DC translation circuit through current divider, and the end In is connected to power supply
On；
The control circuit unit includes:
Master controller, to execute test program；
Master controller by the first communication interface and current transformer, two-way DC/DC translation circuit, exchange programmable power supply and communicated,
Corresponding actions are made to acquire the operational data of main circuit and control main circuit；
Master controller is communicated by the second communication interface with touch screen, and touch screen is communicated with barcode scanning gun, to use
Barcode scanning gun acquires charging module number, is sent to display on the touchscreen, and be sent to master controller；
Master controller is communicated by third communication interface with host computer, data are uploaded to host computer, and in receiving
The control signal of position machine；
Master controller is communicated by fourth communication interface with master meter, tested ammeter, to acquire its voltage, electric current number
According to；
Master controller is communicated by fifth communication interface with tested charging module, and voltage, the current data of charging module are acquired.
It is further limited as of the invention, the charging module is arranged in incubator, and the power input of incubator connects
In AC power source.
It is further limited as of the invention, the end In of the current transformer is connected in AC power source, the end Out of current transformer
It is connected through the first bus with the end In of two-way DC/DC translation circuit, the end Out of two-way DC/DC translation circuit is connected to the second mother
On line, the end Out of the charging module is connected on the second bus through current divider, DC relay.
It is further limited as of the invention, first communication interface uses RS485 communication mode；Second communication
Interface uses RS485 communication mode；The third communication interface uses CAN bus communication mode；The fourth communication interface is adopted
With RS458 communication mode；The fifth communication interface uses CAN bus communication mode；Lead between the touch screen and barcode scanning gun
Usb communication mode is crossed to connect.
A kind of alternating-current charging pile component detection system, including charging pile part quality detection system as described in claim 1
System, the end In of charging module are connected with the end Out for exchanging programmable power supply, and the end In for exchanging programme control circut is connected with AC network,
The end Out of charging module is connected to the end Out of two-way DC/DC translation circuit through current divider, DC relay, and two-way DC/DC becomes
The end In for changing circuit is connected with the end Out of current transformer, and the end In of current transformer is connected on AC network, on current divider it is other be connected to by
Survey ammeter and master meter.
Further limited as of the invention, the two-way DC/DC translation circuit is provided with n(n >=1) group, the charging
Module is provided with 2n(n >=1) group, current divider is provided with 2n(n >=1) group, and DC relay is provided with 2n(n >=1) group.
A kind of direct-current charging post component detection system, including charging pile part quality detection system as described in claim 1
System, the end In of the current transformer are connected on AC network, and the two-way DC/DC translation circuit is provided with 2 groups, two two-way DC/
The end In of DC translation circuit is connected with the end Out of current transformer, wherein the end Out of a two-way DC/DC translation circuit and charging module
The end In be connected, Out end phase of the end Out of charging module through current divider, DC relay and another two-way DC/DC translation circuit
Even.
Further limited as of the invention, the two-way DC/DC translation circuit is provided with 2n(n >=1) group, the direct current
Charging pile is correspondingly arranged on 2n(n >=1) group.
Compared with prior art, the beneficial effects of the present invention are: the present invention can charging mould to alternating current and direct current charging pile
Block is detected, and the energy in detection process may be recovered, and avoids the waste of energy, while to the power requirement of power grid
It is not high, meet the loss of equipment itself；Can be set as needed criterion of acceptability, and can automatic discrimination qualification with
It is no；Various environment temperatures and power grid environment can be simulated, to test influence of the external environment to charging module；It can lead to
The two dimensional code input system for crossing barcode scanning input charging pile, then can recorde the test record of this charging pile.
Detailed description of the invention
Fig. 1 is alternating-current charging pile component detection system wiring diagram in the present invention.
Fig. 2 is direct-current charging post component detection system wiring diagram in the present invention.
Fig. 3 is the control circuit functional block diagram of charging pile part quality detection system in the present invention.
Specific embodiment
Below with reference to embodiment, the present invention will be further described.
Embodiment 1
A kind of charging pile part quality detection system, including main circuit unit and control circuit unit；
Main circuit unit includes:
Current transformer, to realize the two-way changing of AC and DC；
Two-way DC/DC translation circuit is electrically connected to control DC voltage conversion with current transformer, realizes the transmitted in both directions of energy；
Current divider connects tested ammeter and master meter, to cooperate tested ammeter and master meter to record the electricity in main circuit
Pressure, current data；
Charging module, detected object, the end Out are connected to two-way DC/DC translation circuit through current divider, and the end In is connected to power supply
On, charging module is arranged in incubator, and the power input of incubator is connected on exchange 380V power grid；
The end In of current transformer is connected on exchange 380V power grid, the first bus of the end Out of current transformer and two-way DC/DC transformation electricity
The end In on road is connected, and the end Out of two-way DC/DC translation circuit is connected on the second bus, and the end Out of charging module is through shunting
Device, DC relay are connected on the second bus, wherein two-way DC/DC translation circuit is provided with 2 groups, and (1# bidirectional DC/DC, 2# are bis-
To DCDC), DC relay is provided with 8 groups (J1-J8), and current divider is provided with 4 groups (FL1-FL4), and master meter is provided with 4 groups
(ammeter 1#-4#)；
Control circuit unit includes:
Master controller, to execute test program；
Master controller by the first communication interface and current transformer, two-way DC/DC translation circuit, exchange programmable power supply and communicated,
Corresponding actions are made to acquire the operational data of main circuit and control main circuit；
Master controller is communicated by the second communication interface with touch screen, and touch screen is communicated with barcode scanning gun, to use
Barcode scanning gun acquires charging module number, is sent to display on the touchscreen, and be sent to master controller；
Master controller is communicated by third communication interface with host computer, data are uploaded to host computer, and in receiving
The control signal of position machine；
Master controller is communicated by fourth communication interface with master meter, tested ammeter, to acquire its voltage, electric current number
According to；
Master controller is communicated by fifth communication interface with tested charging module, and voltage, the current data of charging module are acquired；
First communication interface uses RS485 communication mode；Second communication interface uses RS485 communication mode；Third communication interface
Using CAN bus communication mode；Fourth communication interface uses RS458 communication mode；Fifth communication interface is communicated using CAN bus
Mode；It is connected between touch screen and barcode scanning gun by usb communication mode；
The embodiment can be used for detecting 4 groups of alternating-current charging pile components and 2 groups of direct-current charging post components.
Embodiment 2
A kind of alternating-current charging pile component detection system as shown in Figure 1, exchange 380V power supply are connected with the end In of incubator, exchange
380V power supply is connected with the end In for exchanging programmable power supply, and exchange 380V power supply is connected with the end In of current transformer, charging module 1#, fills
Electric module 2#, charging module 3#, charging module 4# are placed on inside incubator, exchange the end Out of programmable power supply while and charging module
The end the In connection of 1#, charging module 2#, charging module 3#, charging module 4#, the end Out of current transformer and 1# bidirectional DC/DC and 2#
The end In of bidirectional DC/DC is connected；The "+" at the end Out of 1# bidirectional DC/DC is connect by J2 with the "+" of charging module 1#, and 1# is two-way
The "-" at the end Out of DCDC is connect by J1 with FL1, and FL1 is connect with the "-" of charging module 1#；The end Out of 1# bidirectional DC/DC
"+" is connect by J4 with the "+" of charging module 2#, and the "-" at the end Out of 1# bidirectional DC/DC passes through J3 and connect with FL2, FL2 with fill
The "-" of electric module 2# connects；The "+" at the end Out of 2# bidirectional DC/DC is connect by J6 with the "+" of charging module 3#, and 2# is two-way
The "-" at the end Out of DCDC is connect by J5 with FL3, and FL3 is connect with the "-" of charging module 3#；The end Out of 2# bidirectional DC/DC
"+" is connect by J8 with the "+" of charging module 2#, and the "-" at the end Out of 2# bidirectional DC/DC passes through J7 and connect with FL4, FL4 with fill
The "-" of electric module 4# connects.
The wherein effect of incubator is different ambient enviroments locating for analog charge module, ammeter 1#, ammeter 2#, ammeter 3#,
Ammeter 4# is respectively used to the accuracy of test ammeter 5#, ammeter 6#, ammeter 7#, ammeter 8# as master meter.
Test 1, tests the test of the voltage, ammeter of charging module, and electric current, the voltage of charging module are set by touch screen
Output, is set, and the maximum feedback current setting value of bidirectional DC/DC is small by output valve of the touch screen to bidirectional DC/DC
In the setting value of charging module, so that charging module enters pressure constant state；It is main when detecting the accuracy of charging module output voltage
Controller reads the voltage of charging module output by CAN, and master controller is read the voltage of master meter by RS485, passed through
Following formula calculating error rate: voltage actual error rate=| master controller is logical by voltage-master controller that RS485 reads master meter
Cross the voltage that CAN reads charging module |/master controller reads the voltage * 100% of master meter by RS485, and voltage requirements are missed
Rate=| master controller reads voltage-charging module voltage setting value of master meter by RS485 | and/master controller passes through
RS485 reads the voltage * 100% of master meter, and the error rate of ammeter=| the number that master controller passes through RS485 reading master meter
Value-master controller reads the numerical value of tested ammeter corresponding with master meter by RS485 | and/master controller is read by RS485
The numerical value * 100% of master meter, the numerical value include voltage, electric current, power；According to the different voltages grade of charging module, respectively
Test minimum output voltage, maximum output voltage, intermediate voltage output etc..The parameter set during test, and test
Result host computer uploaded to by CAN by master controller carry out display storage.
Test 2, tests the test of the electric current, ammeter of charging module, and the Current Voltage of charging module is set by touch screen
Output, is set, and the maximum feedback current setting value of bidirectional DC/DC is big by output valve of the touch screen to bidirectional DC/DC
In the setting value of charging module, so that charging module enters constant current state；It is main when detecting the accuracy of charging module output voltage
Controller reads the electric current of charging module by CAN, and master controller is read the electric current of master meter by RS485, passes through following formula
Calculating error rate: electric current actual error rate=| master controller is passed through by electric current-master controller that RS485 reads master meter
The electric current of CAN reading charging module |/master controller reads the electric current * 100% of master meter, current needs error by RS485
Rate=| master controller reads electric current-charging module current setting value of master meter by RS485 | and/master controller passes through RS485
Read the electric current * 100% of master meter, the error rate of ammeter=| numerical value-master that master controller passes through RS485 reading master meter
Controller reads the numerical value of tested ammeter corresponding with master meter by RS485 | and/master controller reads standard by RS485
The numerical value * 100% of ammeter, the numerical value include voltage, electric current, power.According to the different voltages grade of charging module, test respectively
Minimum output voltage, maximum output voltage, intermediate voltage output etc..The parameter set during test, and the knot of test
Fruit uploads to host computer by CAN by master controller and carries out display storage.
Test 3, the test to DC relay carry out band according to the electric current of DC relay and voltage class and carry switching
Test when carrying out unloaded switching tests, can set the frequency of DC relay switching, the number of switching, and every switching is once right
Switching feedback signal is judged, if switching feedback signal and switching signal are inconsistent, then it is assumed that DC relay switching
Failure shuts down and records switching frequency.During the test, master controller passes through voltage of the CAN bus test, switching
Number, the result of test uploads to host computer and shown and saved.
Test is carried out using control variate method, variable element are as follows: exchange amplitude, the frequency of programmable power supply；The temperature of incubator.
Test 1 and test 2 are carried out when changing the amplitude of exchange programmable power supply, is tested when changing the frequency of exchange programmable power supply
1 with test 2, when change incubator temperature when carry out test 1, test 2 with test 3.
Embodiment 3
The detection electrical connection diagram of the charging module of direct current input is as shown in Fig. 2, exchange 380V power supply is connected with the end In of incubator.
Exchange 380V power supply is connected with the end In of current transformer；The end Out of current transformer is connected with the end In of 1# bidirectional DC/DC and 2#DCDC.
The "+" of the Out of 1# bidirectional DC/DC is connected by J2 with the "+" at the end In of charging module 1#, and the "-" of the Out of 1# bidirectional DC/DC is logical
It crosses J1 to be connected with FL1, FL1 is connected with the "-" at the end In of charging module 1#；The "+" of the Out of 1# bidirectional DC/DC passes through J4 and charging
The "+" at the end In of module 2# is connected, and the "-" of the Out of 1# bidirectional DC/DC is connected by J3 with FL2, the In of FL2 and charging module 2#
The "-" at end is connected.The "+" of the Out of 2# bidirectional DC/DC is connected by J6 with the "+" at the end Out of charging module 2#, 2# bidirectional DC/DC
The "-" of Out be connected with FL3 by J5, FL3 is connected with the "-" at the end Out of charging module 2#.The Out's of 2# bidirectional DC/DC
"+" is connected by J8 with the "+" at the end Out of charging module 1#, and the "-" of the Out of 2# bidirectional DC/DC is connected by J7 with FL4, FL4
It is connected with the "-" at the end Out of charging module 1#.
Its testing principle is identical as embodiment 2.
The present invention is not limited to the above embodiments, on the basis of technical solution disclosed by the invention, the skill of this field
For art personnel according to disclosed technology contents, one can be made to some of which technical characteristic by not needing creative labor
A little replacements and deformation, these replacements and deformation are within the scope of the invention.
Claims (8)
1. a kind of charging pile part quality detection system, which is characterized in that including main circuit unit and control circuit unit；
The main circuit unit includes:
Current transformer, to realize the two-way changing of AC and DC；
Two-way DC/DC translation circuit is electrically connected to control DC voltage conversion with current transformer, realizes the transmitted in both directions of energy；
Current divider connects tested ammeter and master meter, to cooperate tested ammeter and master meter to record the electricity in main circuit
Pressure, current data；
Charging module, detected object, the end Out are connected to two-way DC/DC translation circuit through current divider, and the end In is connected to power supply
On；
The control circuit unit includes:
Master controller, to execute test program；
Master controller by the first communication interface and current transformer, two-way DC/DC translation circuit, exchange programmable power supply and communicated,
Corresponding actions are made to acquire the operational data of main circuit and control main circuit；
Master controller is communicated by the second communication interface with touch screen, and touch screen is communicated with barcode scanning gun, to use
Barcode scanning gun acquires charging module number, is sent to display on the touchscreen, and be sent to master controller；
Master controller is communicated by third communication interface with host computer, data are uploaded to host computer, and in receiving
The control signal of position machine；
Master controller is communicated by fourth communication interface with master meter, tested ammeter, to acquire its voltage, electric current number
According to；
Master controller is communicated by fifth communication interface with tested charging module, and voltage, the current data of charging module are acquired.
2. charging pile part quality detection system according to claim 1, which is characterized in that the charging module setting exists
In incubator, the power input of incubator is connected in AC power source.
3. charging pile part quality detection system according to claim 1 or 2, which is characterized in that the In of the current transformer
End is connected in AC power source, and the first bus of the end Out of current transformer is connected with the end In of two-way DC/DC translation circuit, two-way
The end Out of DC/DC translation circuit is connected on the second bus, and the end Out of the charging module connects through current divider, DC relay
It connects on the second bus.
4. charging pile part quality detection system according to claim 1 or 2, which is characterized in that first communication connects
Mouth uses RS485 communication mode；Second communication interface uses RS485 communication mode；The third communication interface uses CAN
Bus communication mode；The fourth communication interface uses RS458 communication mode；The fifth communication interface is logical using CAN bus
Letter mode；It is connected between the touch screen and barcode scanning gun by usb communication mode.
5. a kind of alternating-current charging pile component detection system, including charging pile part quality detection system as described in claim 1,
It is characterized in that, the end In of charging module is connected with the end Out for exchanging programmable power supply, the end In and the alternating current of programme control circut are exchanged
Net is connected, and the end Out of charging module is connected to the end Out of two-way DC/DC translation circuit through current divider, DC relay, two-way
The end In of DC/DC translation circuit is connected with the end Out of current transformer, and the end In of current transformer is connected on AC network, on current divider
Side is connected to tested ammeter and master meter.
6. alternating-current charging pile test macro according to claim 5, which is characterized in that the two-way DC/DC translation circuit
It is provided with n(n >=1) group, the charging module is provided with 2n(n >=1) group, and current divider is provided with 2n(n >=1) group, direct current relay
Device is provided with 2n(n >=1) group.
7. a kind of direct-current charging post component detection system, including charging pile part quality detection system as described in claim 1,
It is characterized in that, the end In of the current transformer is connected on AC network, the two-way DC/DC translation circuit is provided with 2 groups, two
The end In of two-way DC/DC translation circuit is connected with the end Out of current transformer, wherein the end Out of a two-way DC/DC translation circuit with fill
The end In of electric module is connected, and the end Out of charging module is through current divider, DC relay and another two-way DC/DC translation circuit
The end Out is connected.
8. direct-current charging post test macro according to claim 7, which is characterized in that the two-way DC/DC translation circuit
It is provided with 2n(n >=1) group, the direct-current charging post is correspondingly arranged on 2n(n >=1) group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811249191.XA CN109342971B (en) | 2018-10-25 | 2018-10-25 | Fill electric pile part quality detecting system and fill electric pile part detecting system of alternating current direct current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811249191.XA CN109342971B (en) | 2018-10-25 | 2018-10-25 | Fill electric pile part quality detecting system and fill electric pile part detecting system of alternating current direct current |
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| CN109342971B CN109342971B (en) | 2020-05-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3872505A4 (en) * | 2019-12-31 | 2021-11-03 | State Grid Beijing Electric Power Company | Charging pile test method, device and system, storage medium and processor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3872505A4 (en) * | 2019-12-31 | 2021-11-03 | State Grid Beijing Electric Power Company | Charging pile test method, device and system, storage medium and processor |
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