CN106680622B - Charging pile detection method and device, charging pile detection circuit - Google Patents
Charging pile detection method and device, charging pile detection circuit Download PDFInfo
- Publication number
- CN106680622B CN106680622B CN201611123064.6A CN201611123064A CN106680622B CN 106680622 B CN106680622 B CN 106680622B CN 201611123064 A CN201611123064 A CN 201611123064A CN 106680622 B CN106680622 B CN 106680622B
- Authority
- CN
- China
- Prior art keywords
- switch
- predetermined time
- voltage
- sensor
- front side
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 49
- 230000006870 function Effects 0.000 claims abstract description 95
- 238000000034 method Methods 0.000 claims abstract description 31
- 239000003990 capacitor Substances 0.000 claims description 44
- 230000005611 electricity Effects 0.000 claims description 23
- 230000008569 process Effects 0.000 claims description 13
- 238000010586 diagram Methods 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000011990 functional testing Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
-
- H02J7/0021—
Abstract
The invention discloses a kind of charging pile detection methods and device, charging pile detection circuit.Wherein, this method comprises: in the first predetermined time closure third switch and the 4th switch；Judge between the first predetermined time and the second predetermined time, if voltage is detected on front side of first switch and the second switch, wherein be closed in the second predetermined time first switch and the second switch；If detecting voltage on front side of first switch and the second switch, it is determined that charger has pre-charging functions；If not detecting voltage on front side of first switch and the second switch, it is determined that charger does not have pre-charging functions.The present invention solves and can not detect whether DC charging motor has the technical issues of pre-charging functions in the prior art.
Description
Technical field
The present invention relates to power domains, detect electricity in particular to a kind of charging pile detection method and device, charging pile
Road.
Background technique
Contactor K1, K2 closure moment will appear anti-filling dash current in direct-current charging post start-up course.Dash current produces
Raw reason is punching caused by being charged as charge initiation process contact device closure moment power battery to charging pile DC capacitor
Hitting electric current will lead to the D.C. contactor sintering of charging pile.Charger start-up course is added precharge and can effectively solve instead to fill punching
Hit the generation of electric current.
It can not detect whether DC charging motor has pre-charging functions in the prior art.
For above-mentioned problem, currently no effective solution has been proposed.
Summary of the invention
The embodiment of the invention provides a kind of charging pile detection methods and device, charging pile detection circuit, at least to solve
It can not detect whether DC charging motor has the technical issues of pre-charging functions in the prior art.
According to an aspect of an embodiment of the present invention, a kind of charging pile detection method is provided, comprising: when first is default
It carves and is closed the third switch and the 4th switch；Judge be between first predetermined time and the second predetermined time
It is no to detect voltage on front side of the first switch and the second switch, wherein first described in second predetermined time
Switch and second switch closure；If detecting voltage on front side of the first switch and the second switch, it is determined that
Charger has pre-charging functions；If not detecting voltage on front side of the first switch and the second switch, really
Determine charger and does not have pre-charging functions.
Further, after determining that charger has pre-charging functions, the method also includes: judgement precharge terminates
Whether the voltage of capacitor described in the moment is greater than the voltage of battery pack；If the voltage of the capacitor is greater than the electricity of the battery pack
Pressure, judge whether detect reverse current between the 4th predetermined time and the 5th predetermined time, wherein it is described 4th it is default when
At the time of quarter is the starting of counnter attack diode Function detection program, the 5th predetermined time is counnter attack diode Function detection program
At the time of end；If detecting reverse current between the 4th predetermined time and the 5th predetermined time, determine anti-
Flow backward disabler；If not detecting reverse current between the 4th predetermined time and the 5th predetermined time,
Determine that reverse-filling function is normal.
Further, after determining that charger has pre-charging functions, the method also includes: judgement precharge terminates
Whether the voltage of capacitor described in the moment is less than the voltage of battery pack；If the voltage of the capacitor is less than the electricity of the battery pack
Pressure, judges whether detect reverse current between second predetermined time and third predetermined time, wherein described second is pre-
If the moment is at the time of being closed the first switch and the second switch, the third predetermined time is what discharge process terminated
Moment；If detecting reverse current between second predetermined time and the third predetermined time, reverse-filling function is determined
It can failure；If not detecting reverse current between second predetermined time and the third predetermined time, determine anti-
It is normal to flow backward function.
According to another aspect of an embodiment of the present invention, a kind of charging pile detection device is additionally provided, comprising: control unit,
For being closed the third switch and the 4th switch in the first predetermined time；First judging unit, for judging described
Between first predetermined time and the second predetermined time, if detect electricity on front side of the first switch and the second switch
Pressure, wherein the first switch described in second predetermined time and second switch closure；First determination unit, for such as
Fruit detects voltage on front side of the first switch and the second switch, it is determined that charger has pre-charging functions；Second
Determination unit, if for not detecting voltage on front side of the first switch and the second switch, it is determined that charger
Do not have pre-charging functions.
Further, described device further include: second judgment unit, for determine charger have pre-charging functions it
Afterwards, judge whether the voltage for being pre-charged capacitor described in finish time is greater than the voltage of battery pack；Third judging unit, if for
The voltage of the capacitor is greater than the voltage of the battery pack, judges whether examine between the 4th predetermined time and the 5th predetermined time
Measure reverse current, wherein at the time of the 4th predetermined time is the starting of counnter attack diode Function detection program, the described 5th
At the time of predetermined time is counnter attack diode Function detection EP (end of program)；Third determination unit, if for pre- the described 4th
If detecting reverse current between moment and the 5th predetermined time, reverse-filling disabler is determined；4th determination unit is used
If determining reverse-filling function in not detecting reverse current between the 4th predetermined time and the 5th predetermined time
It can be normal.
Further, described device further include: the 4th judging unit, for determine charger have pre-charging functions it
Afterwards, judge whether the voltage for being pre-charged capacitor described in finish time is less than the voltage of battery pack；5th judging unit, if for
The voltage of the capacitor be less than the battery pack voltage, judge be between second predetermined time and third predetermined time
It is no to detect reverse current, wherein at the time of second predetermined time is the closure first switch and the second switch,
At the time of the third predetermined time terminates for discharge process；5th determination unit, if in second predetermined time
Reverse current is detected between the third predetermined time, determines reverse-filling disabler；6th determination unit, if for
Reverse current is not detected between second predetermined time and the third predetermined time, is determining reverse-filling function just
Often.
According to another aspect of an embodiment of the present invention, a kind of charging pile detection circuit is additionally provided, comprising: front side voltage passes
Sensor, first end are connected with the second end of diode, and second end is connected with first switch, and third end is connected with capacitor, the 4th end
It is connected with second switch；Rear side voltage sensor, first end are connected with the first switch, and the of second end and current sensor
One end is connected, and third end is connected with the second switch, and the 4th end is connected with the 4th switch；Current sensor, first end and institute
The second end for stating rear side voltage sensor is connected, and second end is connected with third switch；Battery pack, one end are connected with the 4th switch,
The other end is connected with booster battery；First switch；Second switch；Third switch；4th switch.
Further, the circuit further include: diode, first end are connected with the capacitor, second end and the front side
The first end of voltage sensor is connected.
Further, the circuit further include: booster battery, one end and the third switch are connected, the other end with it is described
Battery pack is connected.
In embodiments of the present invention, the first end of front side voltage sensor is connected with the second end of diode, second end with
First switch is connected, and third end is connected with capacitor, and the 4th end is connected with second switch；The first end of rear side voltage sensor and the
One switch is connected, and second end is connected with the first end of current sensor, and third end is connected with second switch, and the 4th end is opened with the 4th
It closes and is connected；The first end of current sensor is connected with the second end of rear side voltage sensor, and second end is connected with third switch；Electricity
One end of pond group is connected with the 4th switch, and the other end is connected with booster battery, is closed third in the first predetermined time and switchs and the
Four switches, judge between the first predetermined time and the second predetermined time, if detect on front side of first switch and the second switch
To voltage, if detecting voltage on front side of first switch and the second switch, it is determined that charger has pre-charging functions, if
Voltage is not detected on front side of first switch and the second switch, it is determined that charger does not have pre-charging functions, has reached inspection
It surveys whether DC charging motor has the technical effect of pre-charging functions, and then solves and can not detect DC charging in the prior art
Whether machine has the technical issues of pre-charging functions.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes a part of the invention, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of charging pile detection circuit according to an embodiment of the present invention；
Fig. 2 is 1 circuit timing diagram of state according to an embodiment of the present invention；
Fig. 3 is 2 circuit timing diagram of state according to an embodiment of the present invention；
Fig. 4 is 3 circuit timing diagram of state according to an embodiment of the present invention；
Fig. 5 is 4 circuit timing diagram of state according to an embodiment of the present invention；
Fig. 6 is the flow chart of charging pile detection method according to an embodiment of the present invention；
Fig. 7 is the schematic diagram of charging pile detection device according to an embodiment of the present invention.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product
Or other step or units that equipment is intrinsic.
Fig. 1 is the schematic diagram of charging pile detection circuit according to an embodiment of the present invention, as shown in Figure 1, before the circuit includes:
Side voltage sensor Uc, rear side voltage sensor Ub, current sensor E1, battery pack B1, first switch K1, second switch K2,
Third switch K5, the 4th switch K6.
Front side voltage sensor Uc, first end are connected with the second end of diode, and second end is connected with first switch, third
End is connected with capacitor, and the 4th end is connected with second switch.
Rear side voltage sensor Ub, first end are connected with first switch, and second end is connected with the first end of current sensor,
Third end is connected with second switch, and the 4th end is connected with the 4th switch.
Current sensor E1, first end are connected with the second end of rear side voltage sensor, and second end is connected with third switch.
Battery pack B1, one end are connected with the 4th switch, and the other end is connected with booster battery.
In embodiments of the present invention, front side voltage sensor Uc, first end are connected with the second end of diode, second end with
First switch is connected, and third end is connected with capacitor, and the 4th end is connected with second switch；Rear side voltage sensor Ub, first end with
First switch is connected, and second end is connected with the first end of current sensor, and third end is connected with second switch, the 4th end and the 4th
Switch is connected；Current sensor E1, first end are connected with the second end of rear side voltage sensor, and second end switchs phase with third
Even；Battery pack B1, one end are connected with the 4th switch, and the other end is connected with booster battery, open in the first predetermined time closure third
It closes and the 4th switchs, judge between the first predetermined time and the second predetermined time, if before first switch and the second switch
Side detects voltage, if detecting voltage on front side of first switch and the second switch, it is determined that charger has preliminary filling electric work
Can, if not detecting voltage on front side of first switch and the second switch, it is determined that charger does not have pre-charging functions, solution
Having determined can not detect whether DC charging motor has the technical issues of pre-charging functions in the prior art, reached detection direct current and filled
Whether motor has the technical effect of pre-charging functions.
Optionally, circuit further include: diode.Diode, first end are connected with capacitor, second end and front side voltage sensor
The first end of device is connected.
Optionally, circuit further include: booster battery B2.Booster battery, one end are connected with third switch, the other end and battery
Group is connected.
The detection of the counnter attack diode and pre-charging functions for charging pile may be implemented according to the mode of connection in Fig. 1.
The specific test method is as follows:
Detecting state 1: charger has pre-charging functions, and precharge voltage value is greater than battery terminal voltage
Timing explanation is detected, as shown in Fig. 2, T0 timing detection device side contactor K5, K6 are closed, charger detects electricity
Pond end voltage starts precharging procedure, and capacitor C1 both end voltage rises, and capacitance voltage value is slightly above battery electricity at the end of precharge
Pressure；The T1 moment charges pusher side relay K1, K2 closure, and capacitor C1 is to battery power discharge, current value i > 0；T2 moment discharge process
Terminate, capacitor and battery terminal voltage are equal；T3 moment, the starting of counnter attack diode Function detection program seal in boosting in the load
There is reverse current i < 0 at this point, battery voltage is greater than capacitance voltage if there is no counnter attack diode in circuit in battery；When T4
Carve the Function detection EP (end of program) of counnter attack diode；T5 timing detection device sends charge requirement message to charger, and charging starts.
Function decision condition:
Between T0 the and T1 moment, voltage is detected on front side of K1, K2, that is, can determine whether that charger has pre-charging functions；
Reverse current is not detected between T3 the and T4 moment i.e. and can determine whether have reverse-filling function.
Detecting state 2: charger has pre-charging functions, and precharge voltage value is less than battery terminal voltage
Timing explanation is detected, as shown in figure 3, T0 timing detection device side contactor K5, K6 are closed, charger detects electricity
Pond end voltage starts precharging procedure, and capacitor C1 both end voltage rises, and capacitance voltage value is slightly below battery electricity at the end of precharge
Pressure；The T1 moment charges pusher side relay K1, K2 closure, and battery pack is to the anti-power transmission of capacitor C1, current value i < 0；The T2 moment discharged
Journey terminates, and capacitor and battery terminal voltage are equal；T3 timing detection device sends charge requirement message to charger, and charging starts.
Function decision condition:
Between T0 the and T1 moment, detect that voltage can determine whether on front side of K1, K2, charger has pre-charging functions；
Detect reverse current between T1 the and T2 moment i.e. and can determine whether reverse-filling function timeliness, if be not detected can in T2,
Start counnter attack diode Function detection program between T3, detecting step and state 1 are identical.
Detecting state 3: charger does not have pre-charging functions, and counnter attack diode is housed
Timing explanation is detected, as shown in figure 4, T0 timing detection device side contactor K5, K6 are closed；The T1 moment charges pusher side
Relay K1, K2 closure, counnter attack diode bears all batteries both end voltage, current value i=0 at this time；T2 timing detection device
Charge requirement message is sent to charger, charging starts；T3 moment capacitance voltage rises to, counnter attack two pole identical as cell voltage
Pipe conducting, charging current are begun to ramp up.
Function decision condition:
After being judged to not having pre-charging functions, reverse current, which is not detected, at the T1 moment can determine whether have reverse-filling
Function.
Detecting state 4: charger does not have pre-charging functions, and counnter attack diode is housed
Timing explanation is detected, as shown in figure 5, T0 timing detection device side contactor K5, K6 are closed；The T1 moment charges pusher side
Relay K1, K2 closure, battery discharges to charger capacitor at this time, and current value i < 0, discharge current is larger at this time, protective device
Starting cutting test process.
Function decision condition:
In this case, charger does not have precharge and counnter attack fills function.
Fig. 6 is the flow chart of charging pile detection method according to an embodiment of the present invention, as shown in fig. 6, this method includes such as
Lower step:
Step S602, in the first predetermined time closure third switch and the 4th switch.
Step S604 judges between the first predetermined time and the second predetermined time, if opens in first switch and second
It closes front side and detects voltage, wherein be closed in the second predetermined time first switch and the second switch.
Step S606, if detecting voltage on front side of first switch and the second switch, it is determined that charger has preliminary filling
Electricity Functional.
Step S608, if not detecting voltage on front side of first switch and the second switch, it is determined that charger does not have
Standby pre-charging functions.
In embodiments of the present invention, front side voltage sensor Uc, first end are connected with the second end of diode, second end with
First switch is connected, and third end is connected with capacitor, and the 4th end is connected with second switch；Rear side voltage sensor Ub, first end with
First switch is connected, and second end is connected with the first end of current sensor, and third end is connected with second switch, the 4th end and the 4th
Switch is connected；Current sensor E1, first end are connected with the second end of rear side voltage sensor, and second end switchs phase with third
Even；Battery pack B1, one end are connected with the 4th switch, and the other end is connected with booster battery, open in the first predetermined time closure third
It closes and the 4th switchs, judge between the first predetermined time and the second predetermined time, if before first switch and the second switch
Side detects voltage, if detecting voltage on front side of first switch and the second switch, it is determined that charger has preliminary filling electric work
Can, if not detecting voltage on front side of first switch and the second switch, it is determined that charger does not have pre-charging functions, solution
Having determined can not detect whether DC charging motor has the technical issues of pre-charging functions in the prior art, reached detection direct current and filled
Whether motor has the technical effect of pre-charging functions.
Optionally, after determining that charger has pre-charging functions, method further include: judgement precharge finish time electricity
Whether the voltage of appearance is greater than the voltage of battery pack；If the voltage of capacitor is greater than the voltage of battery pack, judge when the 4th is default
It carves and whether detects reverse current between the 5th predetermined time, wherein the 4th predetermined time is counnter attack diode Function detection
At the time of program starts, at the time of the 5th predetermined time is counnter attack diode Function detection EP (end of program)；If default the 4th
Reverse current is detected between moment and the 5th predetermined time, determines reverse-filling disabler；If the 4th predetermined time with
Reverse current is not detected between 5th predetermined time, determines that reverse-filling function is normal.
Detecting state 1: charger has pre-charging functions, and precharge voltage value is greater than battery terminal voltage
Timing explanation is detected, as shown in Fig. 2, T0 moment (the first predetermined time) detection device side contactor K5, K6 are closed,
Charger detects battery terminal voltage, starts precharging procedure, and capacitor C1 both end voltage rises, capacitance voltage at the end of precharge
Value is slightly above cell voltage；T1 moment (the second predetermined time) charging pusher side relay K1, K2 closure, capacitor C1 are put to battery pack
Electricity, current value i > 0；T2 moment (third predetermined time) discharge process terminates, and capacitor and battery terminal voltage are equal；The T3 moment (the
Four predetermined times), the starting of counnter attack diode Function detection program seals in booster battery, at this point, battery voltage is big in the load
In capacitance voltage, occurs reverse current i < 0 if there is no counnter attack diode in circuit；T4 moment (the 5th predetermined time) counnter attack two
Pole pipe Function detection EP (end of program)；T5 timing detection device sends charge requirement message to charger, and charging starts.
Function decision condition:
Between T0 the and T1 moment, voltage is detected on front side of K1, K2, that is, can determine whether that charger has pre-charging functions；
Reverse current is not detected between T3 the and T4 moment i.e. and can determine whether have reverse-filling function.
Optionally, after determining that charger has pre-charging functions, method further include: judgement precharge finish time electricity
Whether the voltage of appearance is less than the voltage of battery pack；If the voltage of capacitor is less than the voltage of battery pack, judge when second is default
It carves and whether detects reverse current between third predetermined time, wherein the second predetermined time is closure first switch and second
At the time of switch, at the time of third predetermined time terminates for discharge process；If in the second predetermined time and third predetermined time
Between detect reverse current, determine reverse-filling disabler；If do not had between the second predetermined time and third predetermined time
It detects reverse current, determines that reverse-filling function is normal.
Detecting state 2: charger has pre-charging functions, and precharge voltage value is less than battery terminal voltage
Timing explanation is detected, as shown in figure 3, T0 moment (the first predetermined time) detection device side contactor K5, K6 are closed,
Charger detects battery terminal voltage, starts precharging procedure, and capacitor C1 both end voltage rises, capacitance voltage at the end of precharge
Value is slightly below cell voltage；T1 moment (the second predetermined time) charging pusher side relay K1, K2 closure, battery pack are anti-to capacitor C1
Power transmission, current value i < 0；T2 moment (third predetermined time) discharge process terminates, and capacitor and battery terminal voltage are equal；The T3 moment is examined
It surveys device and sends charge requirement message to charger, charging starts.
Function decision condition:
Between T0 the and T1 moment, detect that voltage can determine whether on front side of K1, K2, charger has pre-charging functions；
Detect reverse current between T1 the and T2 moment i.e. and can determine whether reverse-filling function timeliness, if be not detected can in T2,
Start counnter attack diode Function detection program between T3, detecting step and state 1 are identical.
Current flowing backwards, boosting electricity may be implemented by cell load in charging pile detection method provided in an embodiment of the present invention
Diode functional test is realized in pond, realizes the automatic detection for charging pile counnter attack diode and pre-charging functions.
According to embodiments of the present invention, a kind of charging pile detection device is additionally provided.The charging pile detection device can execute
Above-mentioned charging pile detection method, above-mentioned charging pile detection method can also be implemented by the charging pile detection device.
Fig. 7 is the schematic diagram of charging pile detection device according to an embodiment of the present invention.As shown in fig. 7, the device includes:
Control unit 10, the first judging unit 20, the first determination unit 30, the second determination unit 40.
Control unit 10, in the first predetermined time closure third switch and the 4th switch.
First judging unit 20, for judging between the first predetermined time and the second predetermined time, if opened first
It closes and second switch front side detects voltage, wherein be closed in the second predetermined time first switch and the second switch.
First determination unit 30, if for detecting voltage on front side of first switch and the second switch, it is determined that charging
Equipment is for pre-charging functions.
Second determination unit 40, if for not detecting voltage on front side of first switch and the second switch, it is determined that
Charger does not have pre-charging functions.
Optionally, device further include:
Second judgment unit is pre-charged finish time electricity for judging after determining that charger has pre-charging functions
Whether the voltage of appearance is greater than the voltage of battery pack；Third judging unit, if being greater than the voltage of battery pack for the voltage of capacitor,
Judge whether detect reverse current between the 4th predetermined time and the 5th predetermined time, wherein the 4th predetermined time is anti-
At the time of anti-diode Function detection program starts, when the 5th predetermined time is counnter attack diode Function detection EP (end of program)
It carves；Third determination unit, if determined anti-for detecting reverse current between the 4th predetermined time and the 5th predetermined time
Flow backward disabler；4th determination unit, if for not detected between the 4th predetermined time and the 5th predetermined time
Reverse current determines that reverse-filling function is normal.
Optionally, device further include: the 4th judging unit, for sentencing after determining that charger has pre-charging functions
Whether the voltage of disconnected precharge finish time capacitor is less than the voltage of battery pack；5th judging unit, if the electricity for capacitor
Pressure is less than the voltage of battery pack, judges whether detect reverse current between the second predetermined time and third predetermined time,
In, the second predetermined time be closure first switch and the second switch at the time of, third predetermined time be discharge process terminate when
It carves；5th determination unit, if determined anti-for detecting reverse current between the second predetermined time and third predetermined time
Flow backward disabler；6th determination unit, if for not detected between the second predetermined time and third predetermined time
Reverse current determines that reverse-filling function is normal.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
In the above embodiment of the invention, it all emphasizes particularly on different fields to the description of each embodiment, does not have in some embodiment
The part of detailed description, reference can be made to the related descriptions of other embodiments.
In several embodiments provided by the present invention, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of unit or module
It connects, can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can for personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or
Part steps.And storage medium above-mentioned includes: that USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic or disk etc. be various to can store program code
Medium.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of charging pile detection method, which is characterized in that the second end phase of the first end of front side voltage sensor and diode
Even, the second end of the front side voltage sensor is connected with first switch, the third end of the front side voltage sensor and capacitor
It is connected, the 4th end of the front side voltage sensor is connected with second switch；The first end of rear side voltage sensor and described the
One switch is connected, and the second end of the rear side voltage sensor is connected with the first end of current sensor, and the rear side voltage passes
The third end of sensor is connected with the second switch, and the 4th end of the rear side voltage sensor is connected with the 4th switch；Electric current
The first end of sensor is connected with the second end of the rear side voltage sensor, and second end and the third of the current sensor are opened
It closes and is connected, comprising:
The third switch and the 4th switch are closed in the first predetermined time；
Judge between first predetermined time and the second predetermined time, if in the first switch and the second switch
Front side detects voltage, wherein the first switch described in second predetermined time and second switch closure；
If detecting voltage on front side of the first switch and the second switch, it is determined that charger has preliminary filling electric work
Energy；
If not detecting voltage on front side of the first switch and the second switch, it is determined that charger does not have preliminary filling
Electricity Functional.
2. described the method according to claim 1, wherein after determining that charger has pre-charging functions
Method further include:
Judge whether the voltage for being pre-charged capacitor described in finish time is greater than the voltage of battery pack；
If the voltage of the capacitor is greater than the voltage of the battery pack, judge the 4th predetermined time and the 5th predetermined time it
Between whether detect reverse current, wherein the 4th predetermined time be counnter attack diode Function detection program starting at the time of,
At the time of 5th predetermined time is counnter attack diode Function detection EP (end of program)；
If detecting reverse current between the 4th predetermined time and the 5th predetermined time, reverse-filling function is determined
Failure；
If not detecting reverse current between the 4th predetermined time and the 5th predetermined time, reverse-filling is determined
Function is normal.
3. described the method according to claim 1, wherein after determining that charger has pre-charging functions
Method further include:
Judge whether the voltage for being pre-charged capacitor described in finish time is less than the voltage of battery pack；
If the voltage of the capacitor is less than the voltage of the battery pack, judge in second predetermined time and default third
Whether reverse current is detected between quarter, wherein second predetermined time is to be closed the first switch and described second to open
At the time of pass, at the time of the third predetermined time terminates for discharge process；
If detecting reverse current between second predetermined time and the third predetermined time, reverse-filling function is determined
Failure；
If not detecting reverse current between second predetermined time and the third predetermined time, reverse-filling is determined
Function is normal.
4. a kind of charging pile detection device, which is characterized in that the second end phase of the first end of front side voltage sensor and diode
Even, the second end of the front side voltage sensor is connected with first switch, the third end of the front side voltage sensor and capacitor
It is connected, the 4th end of the front side voltage sensor is connected with second switch；The first end of rear side voltage sensor and described the
One switch is connected, and the second end of the rear side voltage sensor is connected with the first end of current sensor, and the rear side voltage passes
The third end of sensor is connected with the second switch, and the 4th end of the rear side voltage sensor is connected with the 4th switch；Electric current
The first end of sensor is connected with the second end of the rear side voltage sensor, and second end and the third of the current sensor are opened
It closes and is connected, comprising:
Control unit, for being closed the third switch and the 4th switch in the first predetermined time；
First judging unit, for judging between first predetermined time and the second predetermined time, if described first
Voltage is detected on front side of switch and the second switch, wherein the first switch described in second predetermined time and described the
Two close the switch；
First determination unit, if for detecting voltage on front side of the first switch and the second switch, it is determined that fill
Motor has pre-charging functions；
Second determination unit, if for not detecting voltage on front side of the first switch and the second switch, really
Determine charger and does not have pre-charging functions.
5. device according to claim 4, which is characterized in that described device further include:
Second judgment unit is pre-charged electricity described in finish time for judging after determining that charger has pre-charging functions
Whether the voltage of appearance is greater than the voltage of battery pack；
Third judging unit judges if being greater than the voltage of the battery pack for the voltage of the capacitor when the 4th is default
It carves and whether detects reverse current between the 5th predetermined time, wherein the 4th predetermined time is counnter attack diode function
At the time of detecting program starting, at the time of the 5th predetermined time is counnter attack diode Function detection EP (end of program)；
Third determination unit, if for detecting reversed electricity between the 4th predetermined time and the 5th predetermined time
Stream, determines reverse-filling disabler；
4th determination unit, if anti-for not detected between the 4th predetermined time and the 5th predetermined time
To electric current, determine that reverse-filling function is normal.
6. device according to claim 4, which is characterized in that described device further include:
4th judging unit is pre-charged electricity described in finish time for judging after determining that charger has pre-charging functions
Whether the voltage of appearance is less than the voltage of battery pack；
5th judging unit judges pre- described second if being less than the voltage of the battery pack for the voltage of the capacitor
If whether detecting reverse current between moment and third predetermined time, wherein second predetermined time is to be closed described the
At the time of one switch and the second switch, at the time of the third predetermined time terminates for discharge process；
5th determination unit, if for detecting reversed electricity between second predetermined time and the third predetermined time
Stream, determines reverse-filling disabler；
6th determination unit, if anti-for not detected between second predetermined time and the third predetermined time
To electric current, determine that reverse-filling function is normal.
7. a kind of charging pile detection circuit characterized by comprising
The first end of front side voltage sensor, the front side voltage sensor is connected with the second end of diode, the front side electricity
The second end of pressure sensor is connected with first switch, and the third end of the front side voltage sensor is connected with capacitor, the front side
4th end of voltage sensor is connected with second switch；
The first end of rear side voltage sensor, the rear side voltage sensor is connected with the first switch, the rear side voltage
The second end of sensor is connected with the first end of current sensor, and the third end of the rear side voltage sensor is opened with described second
It closes and is connected, the 4th end of the rear side voltage sensor is connected with the 4th switch；
Current sensor, the first end of the current sensor are connected with the second end of the rear side voltage sensor, the electricity
The second end of flow sensor is connected with third switch；
Battery pack, one end are connected with the 4th switch, and the other end is connected with booster battery；
First switch；
Second switch；
Third switch；
4th switch.
8. circuit according to claim 7, which is characterized in that the circuit further include:
Diode, first end are connected with the capacitor, and second end is connected with the first end of the front side voltage sensor.
9. circuit according to claim 7, which is characterized in that the circuit further include:
Booster battery, one end are connected with third switch, and the other end is connected with the battery pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611123064.6A CN106680622B (en) | 2016-12-08 | 2016-12-08 | Charging pile detection method and device, charging pile detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611123064.6A CN106680622B (en) | 2016-12-08 | 2016-12-08 | Charging pile detection method and device, charging pile detection circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106680622A CN106680622A (en) | 2017-05-17 |
| CN106680622B true CN106680622B (en) | 2019-06-07 |
Family
ID=58868440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611123064.6A Active CN106680622B (en) | 2016-12-08 | 2016-12-08 | Charging pile detection method and device, charging pile detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106680622B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152644A (en) * | 2017-11-27 | 2018-06-12 | 国网北京市电力公司 | Test system |
| CN108982986B (en) * | 2018-04-11 | 2020-06-23 | 杭州电子科技大学 | Electric automobile alternating-current charging pile detection system and detection method thereof |
| CN111289870B (en) * | 2018-12-06 | 2022-12-06 | 中车时代电动汽车股份有限公司 | Fault detection method and device for pre-charging circuit |
| CN113687152B (en) * | 2020-05-19 | 2022-10-18 | 比亚迪股份有限公司 | Direct current charging pile test system, direct current charging pile test method and test controller |
| CN113784867B (en) * | 2021-03-04 | 2023-10-20 | 华为数字能源技术有限公司 | Detection circuit, anti-reverse irrigation system and charging pile |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013065797A (en) * | 2011-09-20 | 2013-04-11 | Tokyo Univ Of Science | Solar cell array diagnostic system, power conditioner, solar cell array diagnostic method, and program |
| JP2014082842A (en) * | 2012-10-15 | 2014-05-08 | Japan System Bank Corp | Charging stand of automatic switching between 100 v and 200 v |
| CN203838264U (en) * | 2014-04-23 | 2014-09-17 | 广州市地下铁道总公司 | Subway vehicle battery charger test bench |
| CN204154825U (en) * | 2014-09-26 | 2015-02-11 | 吉林省长春电力勘测设计院有限公司 | A kind of alternating-current charging pile failure detector |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5733276B2 (en) * | 2012-07-13 | 2015-06-10 | 株式会社デンソー | Capacitive sensor detection circuit |
-
2016
- 2016-12-08 CN CN201611123064.6A patent/CN106680622B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013065797A (en) * | 2011-09-20 | 2013-04-11 | Tokyo Univ Of Science | Solar cell array diagnostic system, power conditioner, solar cell array diagnostic method, and program |
| JP2014082842A (en) * | 2012-10-15 | 2014-05-08 | Japan System Bank Corp | Charging stand of automatic switching between 100 v and 200 v |
| CN203838264U (en) * | 2014-04-23 | 2014-09-17 | 广州市地下铁道总公司 | Subway vehicle battery charger test bench |
| CN204154825U (en) * | 2014-09-26 | 2015-02-11 | 吉林省长春电力勘测设计院有限公司 | A kind of alternating-current charging pile failure detector |
Non-Patent Citations (1)
| Title |
|---|
| 高速公路电动汽车充电桩现场检测方法;周志坚等;《智能电网》;20160430;第4卷(第4期);第432-436页 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106680622A (en) | 2017-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106680622B (en) | Charging pile detection method and device, charging pile detection circuit | |
| CN109818393B (en) | Pre-charging circuit and pre-charging method of high-voltage battery pack | |
| CN105548892B (en) | Fault detection system, method and device and the electric vehicle of battery system | |
| CN207283184U (en) | Emergency starting device | |
| CN104442406B (en) | A kind of method for judging high-voltage relay adhesion | |
| CN104993534B (en) | A kind of mobile terminal and its charge control method | |
| CN107089144A (en) | Feedback high voltage connector adhesion fault inspection system that electric automobile is contactless and control inspection method | |
| CN106019130B (en) | System and method for detecting high voltage connector health status | |
| CN106356939A (en) | Method for detecting circuit opening of storage battery pack | |
| CN107253439A (en) | The precharge control circuit and control method of hybrid power vehicle high voltage system | |
| CN109473752A (en) | A kind of heating means and heating device of the power battery of electric car | |
| CN107612071A (en) | A kind of battery cell fault verification and processing method | |
| CN109941150B (en) | Self-adaptive energy storage charging pile system and control method thereof | |
| CN107276170A (en) | A kind of system and method for actively protecting pure electric automobile battery | |
| CN107688146A (en) | A kind of contactor condition detection method | |
| CN104600761B (en) | The control method and the automobile with it of inverter electric capacity precharge | |
| CN104914382B (en) | A kind of detection method of accumulator capacity | |
| CN110568366A (en) | Insulation circuit, battery pack leakage detection method and hardware detection method | |
| CN105406548B (en) | The whether online detection method of battery in electri forklift charger charging process | |
| CN107565628A (en) | A kind of high-capacity lithium battery low-voltage direct charge control system and method | |
| CN114801876A (en) | Precharge control method, precharge control device, storage medium, processor and electronic device | |
| CN113212168A (en) | Direct-current discharge circuit, control method and electric automobile | |
| CN107745643A (en) | Charge control method, device and automobile | |
| CN104967156A (en) | System capable of releasing overcurrent protection state of battery | |
| CN109581214A (en) | A kind of PDU relay adhesion detection circuit, detection method and automobilism control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100031 No. 41 West Main Street, Qianmen, Beijing, Xicheng District Co-patentee after: STATE GRID CORPORATION OF CHINA Patentee after: STATE GRID BEIJING ELECTRIC POWER Co. Address before: 100031 No. 41 West Main Street, Qianmen, Beijing, Xicheng District Co-patentee before: State Grid Corporation of China Patentee before: STATE GRID BEIJING ELECTRIC POWER Co. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200410 Address after: 100031 No. 41 West Main Street, Qianmen, Beijing, Xicheng District Co-patentee after: STATE GRID CORPORATION OF CHINA Patentee after: STATE GRID BEIJING ELECTRIC POWER Co. Co-patentee after: BEIJING QUNLING ENERGY RESOURCES TECHNOLOGY Co.,Ltd. Co-patentee after: Ponovo Power Co.,Ltd. Co-patentee after: BEIJING HUASHANG SANYOU NEW ENERGY TECHNOLOGY Co.,Ltd. Address before: 100031 No. 41 West Main Street, Qianmen, Beijing, Xicheng District Co-patentee before: STATE GRID CORPORATION OF CHINA Patentee before: STATE GRID BEIJING ELECTRIC POWER Co. |
|
| TR01 | Transfer of patent right | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20170517 Assignee: TIANJIN HUADIAN ELECTRIC POWER EQUIPMENT Co.,Ltd. Assignor: Ponovo Power Co.,Ltd. Contract record no.: X2020990000566 Denomination of invention: Charging point detection method and device, charging pile detection circuit Granted publication date: 20190607 License type: Common License Record date: 20201028 |
|
| EE01 | Entry into force of recordation of patent licensing contract |