CN102866700B - Control guide tester for connecting device of electric vehicle and alternating-current charging pile and implementing method for control guide tester - Google Patents

Control guide tester for connecting device of electric vehicle and alternating-current charging pile and implementing method for control guide tester Download PDF

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Publication number
CN102866700B
CN102866700B CN201210290803.6A CN201210290803A CN102866700B CN 102866700 B CN102866700 B CN 102866700B CN 201210290803 A CN201210290803 A CN 201210290803A CN 102866700 B CN102866700 B CN 102866700B
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China
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terminal
control
tester
electric vehicle
guiding tester
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CN201210290803.6A
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Chinese (zh)
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CN102866700A (en
Inventor
李志明
丁孝华
叶健诚
张萱
桑林
李旭玲
马彦华
董晨
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中国电力科学研究院
国家电网公司
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Publication of CN102866700A publication Critical patent/CN102866700A/en
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Abstract

The invention relates to a control guide tester for a connecting device of an electric vehicle and an alternating-current charging pile and an implementing method for the control guide tester. By the control guide tester, the full process of establishing charging connection between the electric vehicle and an electric vehicle charging pile and finishing charging is simulated; connection states and parameters of the electric vehicle alternating-current charging pile and the electric vehicle are tested; and the time sequence accuracy and the reliability of the full process of establishing physical connection and electric connection between the charging pile and the electric vehicle are tested according to the GB/T 20234-2011 requirements. A user is remind of the current test state by the control guide tester in a visual way; an interface communicated with external equipment is reserved; and test information can be transmitted to a computer or other processing devices in the form of messages. The control guide tester can provide a means and a tool for effectively testing and evaluating the time sequence accuracy and the reliability of a control guide signal of the connecting device of the electric vehicle and the alternating-current charging pile for a professional test mechanism or an electric vehicle manufacturer.

Description

Electric vehicle alternating-current charging pile coupling arrangement controls guiding tester and implementation method
Technical field
The present invention relates to test and metering field, be specifically related to a kind of electric vehicle alternating-current charging pile coupling arrangement and control guiding tester and implementation method.
Background technology
Advocate the background of low-carbon economy in the whole world under, for economize energy, reduce greenhouse gas emission, the center of gravity of automobile industry development changes, and development new-energy automobile has become mainstream development trend.Electric automobile has the features such as zero-emission, high energy efficiency, operation and maintenance cost be low, and popularizing of electric automobile effectively can alleviate human development to environment build-up of pressure.
Change moving forward steadily of electric infrastructure construction along with China's electric automobile fills, the development prospect of electric automobile is had an optimistic view of by industry.Electric automobile fills and changes the base apparatus of electric facility as the supply of electric automobile ability, and the standardization of its interface and compatibility have very important effect to electric automobile interfix compatibility.At present, China does not still have ripe miniaturization solution, normally coordinates to have come relevant test by oscillograph, high accuracy number table meter, and needs well-designed to testing scheme of personnel, and the stability of test and reliability are not good.In order to the standardization of specification electric automobile charging/discharging apparatus interface, the present invention proposes a kind of implementation method controlling guiding instrument for testing electric vehicle alternating-current charging pile, can for means and the instrument that professional testing agency or electric automobile producer provide effective detection, assessment electric vehicle alternating-current charging pile coupling arrangement controls steering signal sequential correctness and reliability.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of electric vehicle alternating-current charging pile coupling arrangement and control guiding tester and implementation method, scheme provided by the invention can for means and the instrument that professional testing agency or electric automobile producer provide effective detection, assessment electric vehicle alternating-current charging pile coupling arrangement controls steering signal sequential correctness and reliability.
The object of the invention is to adopt following technical proposals to realize:
A kind of electric vehicle alternating-current charging pile coupling arrangement controls guiding tester, and its improvements are, described control guiding tester comprises:
Controller: for controlling described control guiding tester charged state;
Interface unit: control steering signal and the level match being connected confirmation signal and described controller for realizing;
Power module: provide power supply for controlling guiding tester; In described power module incoming transport 220V civil power;
Human-computer interaction module: guide the mutual of tester for user and described control;
Bus driver block: for realizing described controller universal serial bus and external unit level match, electrical isolation and protection;
Relay S1 and S2: switch for realizing the described state controlling guiding tester.
Wherein, described interface unit comprises Interface Terminal and driving circuit; Described Interface Terminal comprises input terminal and lead-out terminal;
Described input terminal is connected with the terminal of connection cable plug; Described lead-out terminal is connected with described controller;
The pin that described driving circuit has IO function with described controller is connected, for driving described relay S1 and S2.
Wherein, described input terminal comprises and connects confirmation signal terminal CC, controls steering signal terminal CP and ground signalling terminal COM;
The connection confirmation signal terminal CC of described connection confirmation signal terminal CC and connection cable plug connects;
Described control steering signal terminal CP is connected with the control steering signal terminal CP of connection cable plug;
Described ground signalling terminal COM is connected with the ground signalling terminal COM of connection cable plug.
Wherein, described lead-out terminal comprise lead-out terminal 1.-7.;
The input terminal that 1. described lead-out terminal has collection of simulant signal with described controller is connected;
Described lead-out terminal 2.-input terminal 7. with described controller with PWM capturing function is connected.
Wherein, described driving circuit comprises the identical S1 driving circuit of structure and S2 driving circuit;
Described S1 driving circuit and S2 driving circuit include the diode, amplifying circuit, optocoupler and the reactor that are connected successively; Described optocoupler ground connection.
Wherein, described human-computer interaction module is touch LCD screen; Described human-computer interaction module is connected with described controller by parallel bus.
Wherein, described bus driver block comprises bus driver 1 and bus driver 2; Described bus driver 1 is connected with described controller by universal serial bus with bus driver 2; Described bus driver 1 is connected with external unit by RS485 bus with bus driver 2; Described external unit comprises load and external communication interface.
Wherein, described bus driver 1 is identical with bus driver 2 structure, includes three optocoupler branch road, RS485 driver and receivers in parallel and two voltage stabilizing diodes; Described three optocoupler branch roads in parallel are connected with RS485 driver and receiver respectively; One of them voltage stabilizing diode is connected with RS485-A terminal; Another voltage stabilizing diode is connected with RS485-B terminal.
Wherein, described relay S1 one end is connected with the connecting line controlling steering signal terminal CP, and the other end is connected with reactor, composition relay S1 branch road; Described S2 one end is connected with the connecting line controlling steering signal terminal CP, and the other end is connected with reactor, composition relay S2 branch road; Described S1 branch road and S2 branch circuit parallel connection; Two relays ground connection respectively; Described relay S1 and S2 is defaulted as off-state (relay S1 and S2 by the coil in the driving circuit pilot relay of Fig. 7 and Fig. 8 to realize adhesive and the disconnection of S1 and S2).
Wherein, described control guiding tester charged state comprises normal condition and abnormality.
A kind of electric vehicle alternating-current charging pile coupling arrangement that the present invention is based on another object provides controls the implementation method of guiding tester, and it is characterized in that, described method comprises the steps:
(1) described control guiding tester is connected with charge cable;
(2) gather described lead-out terminal magnitude of voltage 1. and determine charge cable capacity P1;
(3) judge whether normally (cable capacity P1 determines cable capacity according to Fig. 3 lead-out terminal magnitude of voltage 1. to described charge cable capacity P1, and Va is a certain specific voltage signal that power module is drawn, and preferred value is 5V, if R1=2K is Ω.So, when cable capacity is 16A, lead-out terminal magnitude of voltage is 1. about 1.27V; When cable capacity is 32A, lead-out terminal magnitude of voltage is 1. about 0.50V);
(4) judge whether described control guiding tester is in normal condition in charging process A;
(5) pilot relay S1 closes, and confirms that described charge cable controls to guide tester whether be connected completely with described;
(6) judge whether described control guiding tester is in normal condition in charging process B-1;
(7) electric vehicle alternating-current charging pile correlation parameter is set;
(8) judge whether described control guiding tester is in normal condition in charging process B-2;
(9) gather the described pwm signal dutycycle controlling guiding tester, determine electric vehicle alternating-current charging pile power supply capacity P2;
(10) pilot relay S2 closes, and asks as the charging of described control guiding tester;
(11) select cable capacity P1, the minimum value of electric current that electric vehicle alternating-current charging pile output capacity P2 and Vehicular charger rated capacity P3 is corresponding is charging current, starting load;
(12) judge whether described control guiding tester is in normal condition in charging process C;
(13) charging status information is sent to human-computer interaction module and external communication interface;
(14) judge whether described control guiding tester pwm signal dutycycle changes;
(15) redefine electric vehicle alternating-current charging pile power supply capacity P2, and set load charging current;
(16) judge whether control the charging of guiding tester terminates;
(17) close load, recover the described original state controlling guiding tester, i.e. idle condition (normal test process needs user to be started by the interpersonal interactive interface of touch-screen);
(18) test process terminates.
Wherein, it is characterized in that, in described step (1), described control guiding tester is connected with charge cable, controls the DC level that steering signal terminal CP exports 12V.
Wherein, in described step (2), connected the state determination charge cable capacity P1 of confirmation signal terminal CC by monitoring; Following IV formula of charge cable capacity represents:
Va × Rc R 1 + Rc = V sample - - - ( IV ) ;
In formula: Va represents a certain level value of power module, preferred value is 5V; Rc represents resistance charging cable characterizing cable capacity, has 220 ohm and 680 ohm of two values; R1 represents the resistance in tester, and preferred value is 2K ohm; V samplerepresent lead-out terminal magnitude of voltage 1.;
During Rc=680 Ω, charge cable capacity P1 is 16A; During Rc=220 Ω, charge cable capacity P1 is 32A; Va and R1 meets actual power loss and precision; V samplebe no more than the measurement range of described controller, measurement range is between 0-3.3V.
Wherein, in described step (3), when Va is 5V, R1=2K Ω, be normal condition when to record lead-out terminal magnitude of voltage be 1. 1.27V or 0.5V, the state that all the other voltages are corresponding is all abnormality;
If described charge cable capacity is normal, then carry out step (4); Otherwise, carry out step (13).
Wherein, in described step (4), when controlling the output DC level of the control steering signal terminal CP guiding tester at 11.4V < V iNtime within the scope of < 12.6V standard error, 2. and 3. lead-out terminal is in normal condition, and namely described control guiding tester is in normal condition in charging process A;
When controlling the output DC level of the control steering signal terminal CP guiding tester at V iN≤ 11.4V or V iNduring>=12.6V, 2. and 3. lead-out terminal is in abnormality, and namely described control guiding tester is in abnormality in charging process A; Wherein V iNrepresent the magnitude of voltage that the high level of input voltage signal is corresponding;
If described control guiding tester is in normal condition in charging process A, then carry out step (5); Otherwise, carry out step (13).
Wherein, in described step (6), when controlling the output DC level of the control steering signal terminal CP guiding tester at 8.2V < V iNtime within the scope of < 9.8V standard error, 4. and 5. lead-out terminal is in normal condition, and namely described control guiding tester is in normal condition in charging process B-1;
When controlling the output DC level of the control steering signal terminal CP guiding tester at V iN≤ 8.2V or V iNduring>=9.8V, 4. and 5. lead-out terminal is in abnormality, and namely described control guiding tester is in abnormality in charging process B-1;
If described control guiding tester is in normal condition in charging process B-1, then carry out step (7); Otherwise, carry out step (13).
Wherein, in described step (7), described electric vehicle alternating-current charging pile correlation parameter comprises charge mode, user authentication and machine for punching the card expense.
Wherein, in described step (8), when controlling the output DC level of the control steering signal terminal CP guiding tester at 8.2V < V iNtime within the scope of < 9.8V standard error, 4. and 5. lead-out terminal is in normal condition, and namely described control guiding tester is in normal condition in charging process B-2;
When controlling the output DC level of the control steering signal terminal CP guiding tester at V iN≤ 8.2V or V iNduring>=9.8V, 4. and 5. lead-out terminal is in abnormality, and namely described control guiding tester is in abnormality in charging process B-2;
If described control guiding tester is in normal condition in charging process B-2, then carry out step (7); Otherwise, carry out step (13).
Wherein, in described step (9), described pwm signal dutycycle by measure pwm signal high level and low level experience the periodicity of certain timer " in the controller " and determine, as high level experiences N number of timing cycle, low level experience M timing cycle, so dutycycle is N/(M+N).
Wherein, in described step (11), following situation occurs for the moment, described control guiding tester stops loaded work piece:
A, electric vehicle alternating-current charging pile reach the charge condition that user is arranged;
B, control guiding tester disconnect S2 and stop charging process;
C, pwm signal interrupt;
D, normally closed switch S3 link with the push button of connection cable plug become off-state from closed, and maintenance more than 300ms;
In e, charging process, described control steering signal terminal CP becomes non-6V pwm signal, when namely lead-out terminal 6., 7. high level voltage scope is between 5.2V-6.8V;
In f, charging process, the action of described electric vehicle alternating-current charging pile earth leakage protective device causes load-side under-voltage;
When electric vehicle alternating-current charging pile completes charging process or accidental interruption charging, guarantee that the level value of the control steering signal terminal CP controlling guiding tester is within the scope of 11.4V ~ 12.6V standard permissible error; The actual voltage value of test programmable load, guarantees that electric vehicle alternating-current charging pile disconnects ac circuit.
Wherein, in described step (12), when controlling the output pwm signal high level of the control steering signal terminal CP guiding tester at 5.2V < V iNtime within the scope of < 6.8V standard error, 6. and 7. lead-out terminal is in normal condition, and namely described control guiding tester is in normal condition in charging process C;
When the high level of the output pwm signal of the control steering signal terminal CP of control guiding tester is at V iN≤ 5.2V or V iNduring>=6.8V, 6. and 7. lead-out terminal is in abnormality, and namely described control guiding tester is in abnormality in charging process C;
If described control guiding tester is in normal condition in charging process C, then carry out step (14); Otherwise, return step (13) and carry out step (16).
Wherein, in described step (14), if described control guiding tester pwm signal dutycycle changes, then carry out step (15); Otherwise, return step (12).
Wherein, according to the power supply capacity of electric vehicle alternating-current charging pile, charge cable capacity P1 and Vehicular charger rated capacity P3, electric vehicle alternating-current charging pile power supply capacity P 2 is redefined.
Wherein, in described step (16), terminate if control the charging of guiding tester, then carry out step (17); Otherwise, return step (12).
Wherein, after entering charging process, described control guiding tester is monitored with the connection status of cycle to charge cable being not more than 50ms, the signal of monitoring comprises and connects confirmation signal CC and control steering signal CP, once occur to connect by charge cable the abnormal signal disconnecting and producing, the described duty controlling guiding tester closedown programmable power supply, and record detecting information;
After entering charging process, the described guiding tester that controls was monitored by the power supply capacity of dutycycle to electric vehicle alternating-current charging pile controlling steering signal CP with the cycle being not more than 5s.
Wherein, it is characterized in that, when electric vehicle alternating-current charging pile monitors following signal condition, electric vehicle alternating-current charging pile cuts off ac circuit:
I, in charging process, electric automobile charging pile controls the state that the magnitude of voltage of steering signal is 12V, 9V or other non-6VPWM signals, then electric automobile charging pile disconnects ac power supply circuit;
Ii, in charging process, electric automobile charging pile is by detecting connection confirmation signal CC, as detected, power supply interface becomes disconnection from connecting completely, then electric automobile charging pile makes control steering signal export+12V DC level, and disconnects ac power supply circuit.
Compared with the prior art, the beneficial effect that the present invention reaches is:
1, electric vehicle alternating-current charging pile coupling arrangement provided by the invention controls guiding tester and implementation method, has filled up the blank that domestic electric vehicle alternating-current charging pile controls steering signal test macro technology;
2, electric vehicle alternating-current charging pile coupling arrangement controls guiding tester and implementation method, can control the sequential correctness of steering signal and stability is tested by this control guiding tester to electric automobile charging pile;
3, this control guiding tester points out testing result in the mode of close friend to user, has intuitively, advantage easily;
4, the communication port controlling guiding tester makes it easy to and other equipment or Automated library system, forms comprehensive coupling arrangement performance detecting platform;
5, the present invention can for the ways and means that professional testing agency or coupling arrangement producer provide effective detection, assessment coupling arrangement controls steering signal sequential correctness and stability;
6, can be electric vehicle charge interface standardization application, measuring technology means and technical support are provided.
Accompanying drawing explanation
Fig. 1 is that electric vehicle alternating-current charging pile coupling arrangement provided by the invention controls guiding tester composition and test environment schematic diagram;
Fig. 2 is the circuit theory diagrams that electric vehicle alternating-current charging pile coupling arrangement provided by the invention controls guiding tester interface unit;
Fig. 3 is the connection confirmation signal test circuit figure in interface unit provided by the invention;
Fig. 4 is control steering signal test circuit figure in interface unit provided by the invention (lead-out terminal 2. and 3.);
Fig. 5 is control steering signal test circuit figure in interface unit provided by the invention (lead-out terminal 4. and 5.);
Fig. 6 is control steering signal test circuit figure in interface unit provided by the invention (lead-out terminal 6. and 7.);
Fig. 7 is interface unit repeat circuit S1 driving circuit figure provided by the invention;
Fig. 8 is interface unit repeat circuit S2 driving circuit figure provided by the invention;
Fig. 9 is bus driving circuits figure provided by the invention;
Figure 10 is the process flow diagram that electric vehicle alternating-current charging pile coupling arrangement provided by the invention controls guiding tester implementation method;
Figure 11 is the level state schematic diagram of interface unit lead-out terminal 2. and 3. charging process A in test process provided by the invention;
Figure 12 is the level state schematic diagram of interface unit lead-out terminal 2. and 3. charging process A normal condition in test process provided by the invention;
Figure 13 is the level state schematic diagram of interface unit lead-out terminal 2. and 3. charging process A abnormality one in test process provided by the invention;
Figure 14 is the level state schematic diagram of interface unit lead-out terminal 2. and 3. charging process A abnormality two in test process provided by the invention;
Figure 15 is the level state schematic diagram of interface unit lead-out terminal 4. and 5. charging process B-1 in test process provided by the invention;
Figure 16 is interface unit lead-out terminal 4. and 5. charging process B-1 normal condition schematic diagram in test process provided by the invention;
Figure 17 is interface unit lead-out terminal 4. and 5. charging process B-1 abnormality (one) schematic diagram in test process provided by the invention;
Figure 18 is interface unit lead-out terminal 4. and 5. charging process B-1 abnormality (two) schematic diagram in test process provided by the invention;
Figure 19 is the level state schematic diagram of interface unit lead-out terminal 4. and 5. charging process B-2 in test process provided by the invention;
Figure 20 is interface unit lead-out terminal 4. and 5. charging process B-2 normal condition schematic diagram in test process provided by the invention;
Figure 21 is interface unit lead-out terminal 4. and 5. charging process B-2 abnormality (one) schematic diagram in test process provided by the invention;
Figure 22 is interface unit lead-out terminal 4. and 5. charging process B-2 abnormality (two) schematic diagram in test process provided by the invention;
Figure 23 is the level state schematic diagram of interface unit lead-out terminal 6. and 7. charging process C in test process provided by the invention;
Figure 24 is interface unit lead-out terminal 6. and 7. charging process C normal condition schematic diagram in test process provided by the invention;
Figure 25 is interface unit lead-out terminal 6. and 7. charging process C abnormality (one) schematic diagram in test process provided by the invention;
Figure 26 is interface unit lead-out terminal 6. and 7. charging process C abnormality (two) schematic diagram in test process provided by the invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Electric vehicle alternating-current charging pile coupling arrangement control guiding tester composition provided by the invention and test environment as shown in Figure 1, control guiding tester and comprise:
Controller: for controlling described control guiding tester charged state;
Interface unit: control steering signal and the level match being connected confirmation signal and described controller for realizing; Electric vehicle alternating-current charging pile coupling arrangement provided by the invention controls the circuit of guiding tester interface unit as shown in Figure 2, and interface unit comprises Interface Terminal and driving circuit; Interface Terminal comprises input terminal and lead-out terminal;
Input terminal is connected with the terminal of connection cable plug; Described input terminal comprises and connects confirmation signal terminal CC, controls steering signal terminal CP and ground signalling terminal COM; The connection confirmation signal terminal CC connecting confirmation signal terminal CC and connection cable plug connects; Control steering signal terminal CP to be connected with the control steering signal terminal CP of connection cable plug; Ground signalling terminal COM is connected with the ground signalling terminal COM of connection cable plug.Connection confirmation signal test circuit in interface unit as shown in Figure 3.
Lead-out terminal is connected with controller; Lead-out terminal comprise lead-out terminal 1.-7.; The input terminal that 1. lead-out terminal has collection of simulant signal with described controller is connected; Lead-out terminal 2.-input terminal 7. with described controller with PWM capturing function is connected.Control steering signal test circuit figure in interface unit provided by the invention as Figure 4-Figure 6.
The pin that driving circuit has IO function with described controller is connected, for driving described relay S1 and S2; Driving circuit comprises the identical S1 driving circuit of structure and S2 driving circuit; S1 driving circuit and S2 driving circuit include the diode, amplifying circuit, optocoupler and the reactor that are connected successively; Optocoupler ground connection.Interface unit repeat circuit S1 provided by the invention and S2 driving circuit are as shown in FIG. 7 and 8.
Power module: provide power supply for controlling guiding tester;
Human-computer interaction module: guide the mutual of tester for user and described control; Human-computer interaction module is touch LCD screen; Described human-computer interaction module is connected with described controller by parallel bus.
Bus driver block: for realizing described controller universal serial bus and external unit level match, electrical isolation and protection; Bus driver block comprises bus driver 1 and bus driver 2; Described bus driver 1 is connected with described controller by universal serial bus with bus driver 2; Bus driver 1 is connected with external unit by RS485 bus with bus driver 2; Described external unit comprises load and external communication interface.Bus driver 1 is identical with bus driver 2 structure, includes three optocoupler branch road, RS485 driver and receivers in parallel and two voltage stabilizing diodes; Described three optocoupler branch roads in parallel are connected with RS485 driver and receiver respectively; One of them voltage stabilizing diode is connected with RS485-A terminal; Another voltage stabilizing diode is connected with RS485-B terminal.Bus driving circuits provided by the invention as shown in Figure 9.
Relay S1 and S2: switch for realizing the described state controlling guiding tester; Relay S1 one end is connected with the connecting line controlling steering signal terminal CP, and the other end is connected with reactor, composition relay S1 branch road; Described S2 one end is connected with the connecting line controlling steering signal terminal CP, and the other end is connected with reactor, composition relay S2 branch road; Described S1 branch road is in parallel with S2; Two relays ground connection respectively.As shown in Figure 7, Figure 8, S1, S2 control port is directly connected with the IO port of controller the interface circuit of S1, S2.
Electric vehicle alternating-current charging pile coupling arrangement provided by the invention controls the implementation method flow process of guiding tester as shown in Figure 10, and the method comprises the steps:
(1) described control guiding tester is connected with charge cable; Control the DC level that steering signal terminal CP exports 12V.
(2) gather described lead-out terminal magnitude of voltage 1. and determine charge cable capacity P1: the state determination charge cable capacity P1 being connected confirmation signal terminal CC by monitoring; Following IV formula of charge cable capacity represents:
Va &times; Rc R 1 + Rc = V sample - - - ( IV ) ;
In formula: Va represents a certain level value of power module, preferred value is 5V; Rc represents resistance charging cable characterizing cable capacity, has 220 ohm and 680 ohm of two values; R1 represents the resistance in tester, and preferred value is 2K ohm; V samplerepresent lead-out terminal magnitude of voltage 1.;
During Rc=680 Ω, charge cable capacity P1 is 16A; During Rc=220 Ω, charge cable capacity P1 is 32A; Va and R1 meets actual power loss and precision; V samplebe no more than the measurement range (measurement range of normal controller is 0-3.3V) of described controller.
(3) judge that whether charge cable capacity P1 is normal; Tester using the reckling in cable capacity P1, electric vehicle alternating-current charging pile output capacity P2, Vehicular charger rated capacity P3 as load bearing capacity, namely using the minimum value of three corresponding electric currents as charging current, occurrence is selected according to actual conditions.When Va is 5V, R1=2K Ω, be normal condition when to record lead-out terminal magnitude of voltage be 1. 1.27V or 0.5V, the state that all the other voltages are corresponding is all abnormality.
If charge cable capacity is normal, then carry out step (4); Otherwise, carry out step (13).
In test process, control 3 level values that guiding tester needs Monitoring and Controlling steering signal CP, relate to corresponding 6 threshold values.As shown in Figure 2, interface unit detects control steering signal level value, and is converted into the logic level compatible mutually with controller or pwm signal.In figure, U2-U7 is voltage comparator, V blevel value is not less than 12.6V, preferred 15V, V ddlevel value should be compatible with controller logic voltage.Wherein, under the choosing of R2-R13 is worth and to meet actual power loss, precision conditions, also following condition should be met:
V b &times; R 3 R 2 + R 3 = V 12 + , V b &times; R 5 R 4 + R 5 = V 12 - - - - ( I ) ;
V b &times; R 7 R 6 + R 7 = V 9 + , V b &times; R 9 R 8 + R 9 = V 9 - - - - ( II ) ;
V b &times; R 11 R 10 + R 11 = V 6 + , V b &times; R 13 R 12 + R 13 = V 6 - - - - ( III ) ;
Wherein, V 12+=12.6V, V 12-=11.4V, V 9+=9.8V, V 9-=8.2V, V 6+=6.8V, V 6-=5.2V.
(4) judge whether control guiding tester is in normal condition in charging process A: when controlling the output DC level of the control steering signal terminal CP guiding tester at 11.4V < V iNtime within the scope of < 12.6V standard error, 2. and 3. lead-out terminal is in normal condition, and namely described control guiding tester is in normal condition in charging process A;
When controlling the output DC level of the control steering signal terminal CP guiding tester at V iN≤ 11.4V or V iNduring>=12.6V, 2. and 3. lead-out terminal is in abnormality, and namely described control guiding tester is in abnormality in charging process A; Wherein V iNit is the magnitude of voltage that the high level of input voltage signal is corresponding.If control guiding tester to be in normal condition in charging process A, then carry out step (5); Otherwise, carry out step (13).In test process provided by the invention interface unit lead-out terminal 2. and 3. the level state of charging process A, normal condition, abnormality () and abnormality (two) schematic diagram as illustrated in figs. 11-14.
(5) pilot relay S1 closes, and confirms that described charge cable controls to guide tester whether be connected completely with described;
(6) judge whether the described guiding tester that controls is in normal condition in charging process B-1: when controlling the output DC level of the control steering signal terminal CP guiding tester at 8.2V < V iNtime within the scope of < 9.8V standard error, 4. and 5. lead-out terminal is in normal condition, namely controls guiding tester and be in normal condition in charging process B-1;
When controlling the output DC level of the control steering signal terminal CP guiding tester at V iN≤ 8.2V or V iNduring>=9.8V, 4. and 5. lead-out terminal is in abnormality, namely controls guiding tester and be in abnormality in charging process B-1;
If control guiding tester to be in normal condition in charging process B-1, then carry out step (7); Otherwise, carry out step (13).In test process provided by the invention interface unit lead-out terminal 4. and 5. the level state of charging process B-1, normal condition, abnormality () and abnormality (two) schematic diagram as shown in figures 15-18.
(7) electric vehicle alternating-current charging pile correlation parameter is set: electric vehicle alternating-current charging pile correlation parameter comprises charge mode, user authentication and machine for punching the card expense etc., carries out startup and confirm.
(8) judge whether the described guiding tester that controls is in normal condition in charging process B-2: when controlling the output DC level of the control steering signal terminal CP guiding tester at 8.2V < V iNtime within the scope of < 9.8V standard error, 4. and 5. lead-out terminal is in normal condition, namely controls guiding tester and be in normal condition in charging process B-2;
When controlling the output DC level of the control steering signal terminal CP guiding tester at V iN≤ 8.2V or V iNduring>=9.8V, 4. and 5. lead-out terminal is in abnormality, namely controls guiding tester and be in abnormality in charging process B-2;
If control guiding tester to be in normal condition in charging process B-2, then carry out step (7); Otherwise, carry out step (13).In test process provided by the invention interface unit lead-out terminal 4. and 5. the level state of charging process B-2, normal condition, abnormality () and abnormality (two) schematic diagram as shown in figures 19-22.
Controlling that steering signal end CP should export with 9V/1KHz is the pwm signal of reference value, tester is tested it and is exported high level whether within the scope of 8.2V-9.8V standard permissible error, test its output frequency whether within the scope of 970Hz-1030Hz standard permissible error, test pwm signal dutycycle simultaneously, pwm signal dutycycle by measure pwm signal high level and low level experience that the periodicity of certain timer " in the controller " determine, as high level experiences N number of timing cycle, low level experience M timing cycle, so dutycycle is N/(M+N).
(9) gather the described pwm signal dutycycle controlling guiding tester, determine electric vehicle alternating-current charging pile power supply capacity P2;
(10) pilot relay S2 closes, and asks as controlling the charging of guiding tester; Control steering signal CP parameter within the scope of standard permissible error, electric vehicle alternating-current charging pile should make ac power supply circuit conducting by closing relay S2 immediately; Control steering signal terminal CP to export without any effective pwm signal, then in continuation monitoring CP end output signal, exceeding the time limit should exit, and points out failure information.When relay S2 closes, control frequency (970Hz-1030Hz), level value (5.2V-6.8V), the dutycycle (electric vehicle alternating-current charging pile power supply capacity P2) of guiding tester Monitoring and Controlling steering signal end CP.
(11) select suitable (tester using the reckling in cable capacity P1, electric vehicle alternating-current charging pile output capacity P2, Vehicular charger rated capacity P3 as load bearing capacity, namely using the minimum value of three corresponding electric currents as charging current, occurrence is selected according to actual conditions.) charging current, starting load: following situation occurs for the moment, described control guiding tester stops loaded work piece:
A, electric vehicle alternating-current charging pile reach the charge condition that user is arranged;
B, control guiding tester disconnect S2 and stop charging process;
C, pwm signal interrupt;
D, normally closed switch S3 link with the push button of connection cable plug become off-state from closed, and maintenance more than 300ms; S3 is the normally closed switch linked with the push button on connection cable plug, is placed in the inside of vehicle plug, and press the button while removing mechanical locking function, S3 is in off-state;
In e, charging process, described control steering signal terminal CP becomes non-6V pwm signal, when namely lead-out terminal 6., 7. high level voltage scope is between 5.2V-6.8V;
In f, charging process, the action of described electric vehicle alternating-current charging pile earth leakage protective device causes load-side under-voltage;
When electric vehicle alternating-current charging pile completes charging process or accidental interruption charging, guarantee that the level value of the control steering signal terminal CP controlling guiding tester is within the scope of 11.4V ~ 12.6V standard permissible error; The actual voltage value of test programmable load, guarantees that electric vehicle alternating-current charging pile disconnects ac circuit.
(12) judge whether the described guiding tester that controls is in normal condition in charging process C: when controlling the output DC level of the control steering signal terminal CP guiding tester at 5.2V < V iNtime within the scope of < 6.8V standard error, 6. and 7. lead-out terminal is in normal condition, and namely described control guiding tester is in normal condition in charging process C;
When controlling the output DC level of the control steering signal terminal CP guiding tester at V iN≤ 5.2V or V iNduring>=6.8V, 6. and 7. lead-out terminal is in abnormality, and namely described control guiding tester is in abnormality in charging process C;
If described control guiding tester is in normal condition in charging process C, then carry out step (14); Otherwise, return step (13) and carry out step (16).In test process provided by the invention, the schematic diagram of interface unit lead-out terminal 6. and the 7. level state of charging process B-2, normal condition, abnormality () and abnormality (two) is as shown in Figure 23-26.
(13) charging status information is sent to human-computer interaction module and external communication interface;
(14) judge whether control guiding tester pwm signal dutycycle changes; If described control guiding tester pwm signal dutycycle changes, then carry out step (15); Otherwise, return step (12).
(15) redefine electric vehicle alternating-current charging pile power supply capacity P2, and set load charging current: according to the power supply capacity of electric vehicle alternating-current charging pile, charge cable capacity P1 and Vehicular charger rated capacity P3, electric vehicle alternating-current charging pile power supply capacity P2 is redefined.
(16) judge whether control the charging of guiding tester terminates: terminate if control the charging of guiding tester, then carry out step (17); Otherwise, return step (12).
(17) close load, recover the described original state controlling guiding tester;
(18) test process terminates.
After entering charging process, described control guiding tester is monitored with the connection status of cycle to charge cable being not more than 50ms, the signal of monitoring comprises and connects confirmation signal CC and control steering signal CP, once occur to connect by charge cable the abnormal signal disconnecting and producing, the described duty controlling guiding tester closedown programmable power supply, and record detecting information;
After entering charging process, the described guiding tester that controls was monitored by the power supply capacity of dutycycle to electric vehicle alternating-current charging pile controlling steering signal CP with the cycle being not more than 5s.
When electric vehicle alternating-current charging pile monitors following signal condition, electric vehicle alternating-current charging pile cuts off ac circuit:
I, in charging process, electric automobile charging pile controls the state that the magnitude of voltage of steering signal is 12V, 9V or other non-6VPWM signals, then electric automobile charging pile disconnects ac power supply circuit;
Ii, in charging process, electric automobile charging pile is by detecting connection confirmation signal CC, as detected, power supply interface becomes disconnection from connecting completely, then electric automobile charging pile makes control steering signal export+12V DC level, and disconnects ac power supply circuit.
The present invention realizes the switching of charging process state by S1, S2.After electric vehicle alternating-current charging pile and tester set up physical connection by charge cable, S1 is closed makes the two foundation connect completely.After electric vehicle alternating-current charging pile should complete arranging of charging pile correlation parameter, S2 close request is powered, and starts power supply after electric vehicle alternating-current charging pile confirmation is errorless.The present invention can for means and the instrument that professional testing agency or electric automobile producer provide effective detection, assessment electric vehicle alternating-current charging pile coupling arrangement controls steering signal sequential correctness and reliability.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although with reference to above-described embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or equivalent replacement, and not departing from any amendment of spirit and scope of the invention or equivalent replacement, it all should be encompassed in the middle of right of the present invention.

Claims (19)

1. electric vehicle alternating-current charging pile coupling arrangement controls a guiding tester, it is characterized in that, described control guiding tester comprises:
Controller: for controlling described control guiding tester charged state;
Interface unit: control steering signal and the level match being connected confirmation signal and described controller for realizing;
Power module: provide power supply for controlling guiding tester; In described power module incoming transport 220V civil power;
Human-computer interaction module: guide the mutual of tester for user and described control;
Bus driver block: for realizing described controller universal serial bus and external unit level match, electrical isolation and protection;
Relay S1 and S2: switch for realizing the described state controlling guiding tester.
2. electric vehicle alternating-current charging pile coupling arrangement as claimed in claim 1 controls guiding tester, and it is characterized in that, described interface unit comprises Interface Terminal and driving circuit; Described Interface Terminal comprises input terminal and lead-out terminal;
Described input terminal is connected with the terminal of connection cable plug; Described lead-out terminal is connected with described controller;
The pin that described driving circuit has IO function with described controller is connected, for driving described relay S1 and S2.
3. electric vehicle alternating-current charging pile coupling arrangement as claimed in claim 2 controls guiding tester, it is characterized in that, described input terminal comprises and connects confirmation signal terminal CC, controls steering signal terminal CP and ground signalling terminal COM;
The connection confirmation signal terminal CC of described connection confirmation signal terminal CC and connection cable plug connects;
Described control steering signal terminal CP is connected with the control steering signal terminal CP of connection cable plug;
Described ground signalling terminal COM is connected with the ground signalling terminal COM of connection cable plug.
4. electric vehicle alternating-current charging pile coupling arrangement as claimed in claim 2 controls guiding tester, it is characterized in that, described lead-out terminal comprise lead-out terminal 1.-7.;
The input terminal that 1. described lead-out terminal has collection of simulant signal with described controller is connected;
Described lead-out terminal 2.-input terminal 7. with described controller with PWM capturing function is connected.
5. electric vehicle alternating-current charging pile coupling arrangement as claimed in claim 2 controls guiding tester, and it is characterized in that, described driving circuit comprises the identical S1 driving circuit of structure and S2 driving circuit;
Described S1 driving circuit and S2 driving circuit include the diode, amplifying circuit, optocoupler and the reactor that are connected successively; Described optocoupler ground connection.
6. electric vehicle alternating-current charging pile coupling arrangement as claimed in claim 1 controls guiding tester, and it is characterized in that, described human-computer interaction module is touch LCD screen; Described human-computer interaction module is connected with described controller by parallel bus.
7. electric vehicle alternating-current charging pile coupling arrangement as claimed in claim 1 controls guiding tester, and it is characterized in that, described bus driver block comprises bus driver 1 and bus driver 2; Described bus driver 1 is connected with described controller by universal serial bus with bus driver 2; Described bus driver 1 is connected with external unit by RS485 bus with bus driver 2; Described external unit comprises load and external communication interface.
8. electric vehicle alternating-current charging pile coupling arrangement as claimed in claim 7 controls guiding tester, it is characterized in that, described bus driver 1 is identical with bus driver 2 structure, includes three optocoupler branch road, RS485 driver and receivers in parallel and two voltage stabilizing diodes; Described three optocoupler branch roads in parallel are connected with RS485 driver and receiver respectively; One of them voltage stabilizing diode is connected with RS485-A terminal; Another voltage stabilizing diode is connected with RS485-B terminal.
9. electric vehicle alternating-current charging pile coupling arrangement as claimed in claim 1 controls guiding tester, it is characterized in that, described relay S1 one end is connected with the connecting line controlling steering signal terminal CP, and the other end is connected with reactor, composition relay S1 branch road; Described S2 one end is connected with the connecting line controlling steering signal terminal CP, and the other end is connected with reactor, composition relay S2 branch road; Described S1 branch road and S2 branch circuit parallel connection; Two relays ground connection respectively; Described relay S1 and S2 is defaulted as off-state.
10. electric vehicle alternating-current charging pile coupling arrangement as claimed in claim 1 controls guiding tester, it is characterized in that, described control guiding tester charged state comprises normal condition and abnormality.
11. 1 kinds of electric vehicle alternating-current charging pile coupling arrangements control the implementation method of guiding tester, and it is characterized in that, described method comprises the steps:
(1) described control guiding tester is connected with charge cable;
(2) gather lead-out terminal magnitude of voltage 1. and determine charge cable capacity P1;
(3) judge that whether described charge cable capacity P1 is normal; In described step (3), when Va is 5V, R1=2K Ω, be normal condition when to record lead-out terminal magnitude of voltage be 1. 1.27V or 0.5V, the state that all the other voltages are corresponding is all abnormality;
If described charge cable capacity is normal, then carry out step (4); Otherwise, carry out step (13);
(4) judge whether described control guiding tester is in normal condition in charging process A; In described step (4), when controlling the output DC level of the control steering signal terminal CP guiding tester at 11.4V < V iNtime within the scope of < 12.6V standard error, 2. and 3. lead-out terminal is in normal condition, and namely described control guiding tester is in normal condition in charging process A;
When controlling the output DC level of the control steering signal terminal CP guiding tester at V iN≤ 11.4V or V iNduring>=12.6V, 2. and 3. lead-out terminal is in abnormality, and namely described control guiding tester is in abnormality in charging process A; Wherein V iNrepresent the magnitude of voltage that the high level of input voltage signal is corresponding;
If described control guiding tester is in normal condition in charging process A, then carry out step (5); Otherwise, carry out step (13);
(5) pilot relay S1 closes, and confirms that described charge cable controls to guide tester whether be connected completely with described; If described charge cable with described to control to guide tester be connected completely, then carries out step (6); Otherwise, carry out step (13);
(6) judge whether described control guiding tester is in normal condition in charging process B-1;
In described step (6), when controlling the output DC level of the control steering signal terminal CP guiding tester at 8.2V < V iNtime within the scope of < 9.8V standard error, 4. and 5. lead-out terminal is in normal condition, and namely described control guiding tester is in normal condition in charging process B-1;
When controlling the output DC level of the control steering signal terminal CP guiding tester at V iN≤ 8.2V or V iNduring>=9.8V, 4. and 5. lead-out terminal is in abnormality, and namely described control guiding tester is in abnormality in charging process B-1;
If described control guiding tester is in normal condition in charging process B-1, then carry out step (7); Otherwise, carry out step (13);
(7) electric vehicle alternating-current charging pile correlation parameter is set;
(8) judge whether described control guiding tester is in normal condition in charging process B-2; In described step (8), when controlling the output DC level of the control steering signal terminal CP guiding tester at 8.2V < V iNtime within the scope of < 9.8V standard error, 4. and 5. lead-out terminal is in normal condition, and namely described control guiding tester is in normal condition in charging process B-2;
When controlling the output DC level of the control steering signal terminal CP guiding tester at V iN≤ 8.2V or V iNduring>=9.8V, 4. and 5. lead-out terminal is in abnormality, and namely described control guiding tester is in abnormality in charging process B-2;
If described control guiding tester is in normal condition in charging process B-2, then carry out step (7); Otherwise, carry out step (13);
(9) gather the described pwm signal dutycycle controlling guiding tester, determine electric vehicle alternating-current charging pile power supply capacity P2;
(10) pilot relay S2 closes, and asks as the charging of described control guiding tester;
(11) select cable capacity P1, the minimum value of electric current that electric vehicle alternating-current charging pile output capacity P2 and Vehicular charger rated capacity P3 is corresponding is charging current, starting load;
(12) judge whether described control guiding tester is in normal condition in charging process C; In described step (12), when controlling the output pwm signal high level of the control steering signal terminal CP guiding tester at 5.2V < V iNtime within the scope of < 6.8V standard error, 6. and 7. lead-out terminal is in normal condition, and namely described control guiding tester is in normal condition in charging process C;
When the high level of the output pwm signal of the control steering signal terminal CP of control guiding tester is at V iN≤ 5.2V or V iNduring>=6.8V, 6. and 7. lead-out terminal is in abnormality, and namely described control guiding tester is in abnormality in charging process C;
If described control guiding tester is in normal condition in charging process C, then carry out step (14); Otherwise, return step (13) and carry out step (16);
(13) charging status information is sent to human-computer interaction module and external communication interface;
(14) judge whether described control guiding tester pwm signal dutycycle changes; In described step (14), if described control guiding tester pwm signal dutycycle changes, then carry out step (15); Otherwise, return step (12);
(15) redefine electric vehicle alternating-current charging pile power supply capacity P2, and set load charging current;
(16) judge whether control the charging of guiding tester terminates; In described step (16), terminate if control the charging of guiding tester, then carry out step (17); Otherwise, return step (12);
(17) close load, recover the described original state controlling guiding tester, i.e. idle condition;
(18) test process terminates.
12. electric vehicle alternating-current charging pile coupling arrangements as claimed in claim 11 control the implementation method of guiding tester, it is characterized in that, in described step (1), described control guiding tester is connected with charge cable, controls the DC level that steering signal terminal CP exports 12V.
13. electric vehicle alternating-current charging pile coupling arrangements as claimed in claim 11 control the implementation method of guiding tester, it is characterized in that, in described step (2), are connected the state determination charge cable capacity P1 of confirmation signal terminal CC by monitoring; Following IV formula of charge cable capacity represents:
Va &times; Rc R 1 + Rc = V sample ( IV ) ;
In formula: the level value Va of power module is 5V; Rc represents resistance charging cable characterizing cable capacity, has 220 ohm and 680 ohm of two values; Resistance R1 value in tester is 2K ohm; V samplerepresent lead-out terminal magnitude of voltage 1.;
During Rc=680 Ω, charge cable capacity P1 is 16A; During Rc=220 Ω, charge cable capacity P1 is 32A; Va and R1 meets actual power loss and precision; V samplebe no more than the measurement range of described controller, measurement range is between 0-3.3V.
14. electric vehicle alternating-current charging pile coupling arrangements as claimed in claim 11 control the implementation method of guiding tester, it is characterized in that, in described step (7), described electric vehicle alternating-current charging pile correlation parameter comprises charge mode, user authentication and machine for punching the card expense.
15. electric vehicle alternating-current charging pile coupling arrangements as claimed in claim 11 control the implementation method of guiding tester, it is characterized in that, in described step (9), described pwm signal dutycycle is that the periodicity by measuring certain timer in controller that pwm signal high level and low level experience is determined.
16. electric vehicle alternating-current charging pile coupling arrangements as claimed in claim 11 control the implementation method of guiding tester, it is characterized in that, in described step (11), following situation occur for the moment, and described control guiding tester stops loaded work piece:
A, electric vehicle alternating-current charging pile reach the charge condition that user is arranged;
B, control guiding tester disconnect S2 and stop charging process;
C, pwm signal interrupt;
D, normally closed switch S3 link with the push button of connection cable plug become off-state from closed, and maintenance more than 300ms;
In e, charging process, described control steering signal terminal CP becomes non-6V pwm signal, when namely lead-out terminal 6., 7. high level voltage scope is between 5.2V-6.8V;
In f, charging process, the action of described electric vehicle alternating-current charging pile earth leakage protective device causes load-side under-voltage;
When electric vehicle alternating-current charging pile completes charging process or accidental interruption charging, guarantee that the level value of the control steering signal terminal CP controlling guiding tester is within the scope of 11.4V ~ 12.6V standard permissible error; The actual voltage value of test programmable load, guarantees that electric vehicle alternating-current charging pile disconnects ac circuit.
17. electric vehicle alternating-current charging pile coupling arrangements as claimed in claim 11 control the implementation method of guiding tester, it is characterized in that, according to the power supply capacity of electric vehicle alternating-current charging pile, charge cable capacity P1 and Vehicular charger rated capacity P3, electric vehicle alternating-current charging pile power supply capacity P2 is redefined.
18. electric vehicle alternating-current charging pile coupling arrangements according to any one of claim 11-17 control the implementation method of guiding tester, it is characterized in that, after entering charging process, described control guiding tester is monitored with the connection status of cycle to charge cable being not more than 50ms, the signal of monitoring comprises and connects confirmation signal CC and control steering signal CP, once occur to connect by charge cable the abnormal signal disconnecting and producing, the described duty controlling guiding tester closedown programmable power supply, and record detecting information;
After entering charging process, the described guiding tester that controls was monitored by the power supply capacity of dutycycle to electric vehicle alternating-current charging pile controlling steering signal CP with the cycle being not more than 5s.
19. electric vehicle alternating-current charging pile coupling arrangements as claimed in claim 18 control the implementation method of guiding tester, it is characterized in that, when electric vehicle alternating-current charging pile monitors following signal condition, electric vehicle alternating-current charging pile cuts off ac circuit:
I, in charging process, electric automobile charging pile controls the state that the magnitude of voltage of steering signal is 12V, 9V or other non-6VPWM signals, then electric automobile charging pile disconnects ac power supply circuit;
Ii, in charging process, electric automobile charging pile is by detecting connection confirmation signal CC, as detected, power supply interface becomes disconnection from connecting completely, then electric automobile charging pile makes control steering signal export+12V DC level, and disconnects ac power supply circuit.
CN201210290803.6A 2012-08-15 2012-08-15 Control guide tester for connecting device of electric vehicle and alternating-current charging pile and implementing method for control guide tester CN102866700B (en)

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