CN107942159A - DC charging motor power test loads - Google Patents
DC charging motor power test loads Download PDFInfo
- Publication number
- CN107942159A CN107942159A CN201711073402.4A CN201711073402A CN107942159A CN 107942159 A CN107942159 A CN 107942159A CN 201711073402 A CN201711073402 A CN 201711073402A CN 107942159 A CN107942159 A CN 107942159A
- Authority
- CN
- China
- Prior art keywords
- resistance
- relay
- open switch
- normal open
- specific
- 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.)
- Granted
Links
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to a kind of load of DC charging motor power test, it is characterised in that：Including 10A voltage tunable loads module, 5A voltage tunable loads module, 1A voltage tunable loads module, 0.5A voltage tunable load modules and 0.1A voltage tunable load modules.The present invention optimizes radiating mode, solves the shortcomings of cumbersome common resistance box resistance process, heavy workload by modularized design, reached it is accurate, efficiently, easily effect.
Description
Technical field
The present invention relates to program-controlled test load technical field, and in particular to a kind of DC charging motor power test load.
Background technology
Program-controlled test load is most at present uses active mode, is discharged by way of power electronics, load absorption
Energy can be fed back to power grid, be mainly used for the degradation of power equipment.It is but active as the test load of DC charging motor
There are problems with for mode：1st, mounted charger scene can not provide corresponding active load power supply.2nd, active load pair
The output ripple coefficient of charger has an impact, and can not assess charger ripple factor.
The content of the invention
It is an object of the invention to for problems of the prior art, propose that a kind of DC charging motor power test is born
Carry, which realizes that load input voltage 200V~950V is continuously adjustable by the way of electric resistance array, and 0~250A of electric current connects
It is continuous adjustable.Demand is tested so as to fulfill the charger under free voltage, any electric current.
A kind of in order to solve the above technical problems, DC charging motor power test load disclosed by the invention, it is characterised in that：
Including 10A voltage tunable loads module, 5A voltage tunable loads module, 1A voltage tunable loads module, 0.5A voltage adjustable negatives
Carry module and 0.1A voltage tunable load modules, the 10A voltages tunable load module include the first microcontroller, relay K1~
Relay K8 and the resistance R1~resistance R6 being sequentially connected in series, the 5A voltages tunable load module include the second monolithic
Machine, relay Q1~relay Q8 and the resistance R01~resistance R06 being sequentially connected in series, the 1A voltages tunable load mould
Block includes the 3rd microcontroller, relay P1~relay P8 and the resistance R001~resistance R006 being sequentially connected in series, described
0.5A voltage tunable loads module includes the 4th microcontroller, relay S1~relay S8 and the resistance being sequentially connected in series
R101~resistance R106, the 0.1A voltages tunable load module include the 5th microcontroller, relay T1~relay T8 and
Resistance R201~the R206 being sequentially connected in series；
One end of the normal open switch of one end connection relay K1 of the resistance R1, the normal open switch of relay K1 it is another
Terminate the normal open switch that relay K2 into D/C power cathode, is connected between one end of resistance R1 and the other end, the one of resistance R2
The normal open switch of relay K3 is connected between end and the other end, relay K4 is connected between one end of resistance R3 and the other end
Normal open switch, be connected with the normal open switch of relay K5 between one end of resistance R4 and the other end, one end of resistance R5 with it is another
The normal open switch of relay K6 is connected between one end, the normally opened of relay K7 is connected between one end of resistance R6 and the other end
Switch, one end of the normal open switch of the other end connection relay K8 of resistance R6, another termination of the normal open switch of relay K8
Enter D/C power anode, first microcontroller is used to convey control signal to the control terminal of relay K1~relay K8 respectively；
One end of the normal open switch of one end connection relay Q1 of the resistance R01, the normal open switch of relay Q1 it is another
D/C power cathode is accessed in one end, and the normal open switch of relay Q2, resistance R02 are connected between one end of resistance R01 and the other end
One end and the other end between be connected with the normal open switch of relay Q3, be connected between one end of resistance R03 and the other end after
The normal open switch of electric appliance Q4, is connected with the normal open switch of relay Q5 between one end of resistance R04 and the other end, resistance R05's
The normal open switch of relay Q6 is connected between one end and the other end, relay is connected between one end of resistance R06 and the other end
The normal open switch of device Q7, one end of the normal open switch of the other end connection relay Q8 of resistance R06, the normal open switch of relay Q8
The other end access D/C power anode, the second singlechip be used for respectively to relay Q1~relay Q8 control terminal convey
Control signal；
One end of the normal open switch of one end connection relay P1 of the resistance R001, the normal open switch of relay P1 it is another
D/C power cathode is accessed in one end, and the normal open switch of relay P2, resistance are connected between one end of resistance R001 and the other end
The normal open switch of relay P3 is connected between one end of R002 and the other end, is connected between one end of resistance R003 and the other end
There is the normal open switch of relay P4, the normal open switch of relay P5, resistance are connected between one end of resistance R004 and the other end
The normal open switch of relay P6 is connected between one end of R005 and the other end, is connected between one end of resistance R006 and the other end
There is the normal open switch of relay P7, the other end of resistance R006 connects one end of the normal open switch of relay P8, relay P8's
The other end access D/C power anode of normal open switch, the 3rd microcontroller are used for the control to relay P1~relay P8 respectively
End processed conveys control signal；
One end of the normal open switch of one end connection relay S1 of the resistance R101, the normal open switch of relay S1 it is another
D/C power cathode is accessed in one end, and the normal open switch of relay S2, resistance are connected between one end of resistance R101 and the other end
The normal open switch of relay S3 is connected between one end of R102 and the other end, is connected between one end of resistance R103 and the other end
There is the normal open switch of relay S4, the normal open switch of relay S5, resistance are connected between one end of resistance R104 and the other end
The normal open switch of relay S6 is connected between one end of R105 and the other end, is connected between one end of resistance R106 and the other end
There is the normal open switch of relay S7, the other end of resistance R106 connects one end of the normal open switch of relay S8, relay S8's
The other end access D/C power anode of normal open switch, the 4th microcontroller are used for the control to relay S1~relay S8 respectively
End processed conveys control signal；
One end of the normal open switch of one end connection relay T1 of the resistance R201, the normal open switch of relay T1 it is another
D/C power cathode is accessed in one end, and the normal open switch of relay T2, resistance are connected between one end of resistance R201 and the other end
The normal open switch of relay T3 is connected between one end of R202 and the other end, is connected between one end of resistance R203 and the other end
There is the normal open switch of relay T4, the normal open switch of relay T5, resistance are connected between one end of resistance R204 and the other end
The normal open switch of relay T6 is connected between one end of R205 and the other end, is connected between one end of resistance R206 and the other end
There is the normal open switch of relay T7, the other end of resistance R206 connects one end of the normal open switch of relay T8, relay T8's
The other end access D/C power anode of normal open switch, the 5th microcontroller are used for the control to relay T1~relay T8 respectively
End processed conveys control signal.
Beneficial effects of the present invention are：
The adjustable purely resistive power termination of array way of the present invention, meets《GB/T 18487.1-2015 electric car conductions
Charging system part 1：General Requirement》Defined off-board charger output voltage 200V~950V, 0~250A of output current
Off-board charger electrical performance test.Power termination uses modularized design, and each module peak power output is
9.5kW, maximum output current 10A, each module carry microcontroller control resistance switching, pass through 485 buses between control main frame
Mode communicates.Control main frame (microcontroller) receives host computer and sends instruction, and each module resistance value of automatic switching, module it
Between adjust total output current by way of in parallel, overall load control accuracy can meet DC charging motor Width funtion model to 3%
Enclose, the test requirements document of high current.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the course of work flow chart of the present invention.
Wherein, 1-10A voltages tunable load module, the 1.1-the first microcontroller, 2-5A voltage tunable loads module,
2.1-second singlechip, 3-1A voltage tunable loads module, the 3.1-the three microcontroller, 4-0.5A voltage tunable load moulds
Block, the 4.1-the four microcontroller, 5-0.1A voltage tunable loads module, the 5.1-the five microcontroller.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail：
A kind of DC charging motor power test load of the present invention, as shown in Figure 1, including 10A voltage tunable loads module 1
(10A represents that the module will always work at 10A and following electric current, by the resistance value of control panel control series connection, so as to ensure
Always worked under 200V~950V within 10A), 5A voltage tunable loads module 2,1A voltage tunable loads module 3,0.5A electricity
Pressure tunable load module 4 and 0.1A voltage tunable loads module 5, the 10A voltages tunable load module 1 include the first microcontroller
1.1st, the relay K1~relay K8 and resistance R1~resistance R6 being sequentially connected in series, the 5A voltages tunable load mould
Block 2 includes second singlechip 2.1, relay Q1~relay Q8 and the resistance R01~resistance R06 being sequentially connected in series, institute
Stating 1A voltage tunable loads module 3 includes the 3rd microcontroller 3.1, relay P1~relay P8 and is sequentially connected in series
Resistance R001~resistance R006, the 0.5A voltages tunable load module 4 include the 4th microcontroller 4.1, relay S1~relay
The device S8 and resistance R101~resistance R106 being sequentially connected in series, it is single that the 0.1A voltages tunable load module 5 includes the 5th
Piece machine 5.1, relay T1~relay T8 and the resistance R201~R206 being sequentially connected in series；
One end of the normal open switch of one end connection relay K1 of the resistance R1, the normal open switch of relay K1 it is another
The normal open switch that relay K2 into DC (DC power supply) positive pole, is connected between one end of resistance R1 and the other end is terminated,
The normal open switch of relay K3 is connected between one end of resistance R2 and the other end, is connected between one end of resistance R3 and the other end
There is the normal open switch of relay K4, the normal open switch of relay K5, resistance R5 are connected between one end of resistance R4 and the other end
One end and the other end between be connected with the normal open switch of relay K6, be connected with relay between one end of resistance R6 and the other end
The normal open switch of device K7, one end of the normal open switch of the other end connection relay K8 of resistance R6, the normal open switch of relay K8
The other end access D/C power anode, first microcontroller 1.1 be used for respectively to the control terminal of relay K1~relay K8
Convey control signal；
One end of the normal open switch of one end connection relay Q1 of the resistance R01, the normal open switch of relay Q1 it is another
D/C power cathode is accessed in one end, and the normal open switch of relay Q2, resistance R02 are connected between one end of resistance R01 and the other end
One end and the other end between be connected with the normal open switch of relay Q3, be connected between one end of resistance R03 and the other end after
The normal open switch of electric appliance Q4, is connected with the normal open switch of relay Q5 between one end of resistance R04 and the other end, resistance R05's
The normal open switch of relay Q6 is connected between one end and the other end, relay is connected between one end of resistance R06 and the other end
The normal open switch of device Q7, one end of the normal open switch of the other end connection relay Q8 of resistance R06, the normal open switch of relay Q8
The other end access D/C power anode, the second singlechip 2.1 be used for respectively to the control terminal of relay Q1~relay Q8
Convey control signal；
One end of the normal open switch of one end connection relay P1 of the resistance R001, the normal open switch of relay P1 it is another
D/C power cathode is accessed in one end, and the normal open switch of relay P2, resistance are connected between one end of resistance R001 and the other end
The normal open switch of relay P3 is connected between one end of R002 and the other end, is connected between one end of resistance R003 and the other end
There is the normal open switch of relay P4, the normal open switch of relay P5, resistance are connected between one end of resistance R004 and the other end
The normal open switch of relay P6 is connected between one end of R005 and the other end, is connected between one end of resistance R006 and the other end
There is the normal open switch of relay P7, the other end of resistance R006 connects one end of the normal open switch of relay P8, relay P8's
The other end access D/C power anode of normal open switch, the 3rd microcontroller 3.1 are used for respectively to relay P1~relay P8
Control terminal conveying control signal；
One end of the normal open switch of one end connection relay S1 of the resistance R101, the normal open switch of relay S1 it is another
D/C power cathode is accessed in one end, and the normal open switch of relay S2, resistance are connected between one end of resistance R101 and the other end
The normal open switch of relay S3 is connected between one end of R102 and the other end, is connected between one end of resistance R103 and the other end
There is the normal open switch of relay S4, the normal open switch of relay S5, resistance are connected between one end of resistance R104 and the other end
The normal open switch of relay S6 is connected between one end of R105 and the other end, is connected between one end of resistance R106 and the other end
There is the normal open switch of relay S7, the other end of resistance R106 connects one end of the normal open switch of relay S8, relay S8's
The other end access D/C power anode of normal open switch, the 4th microcontroller 4.1 are used for respectively to relay S1~relay S8
Control terminal conveying control signal；
One end of the normal open switch of one end connection relay T1 of the resistance R201, the normal open switch of relay T1 it is another
D/C power cathode is accessed in one end, and the normal open switch of relay T2, resistance are connected between one end of resistance R201 and the other end
The normal open switch of relay T3 is connected between one end of R202 and the other end, is connected between one end of resistance R203 and the other end
There is the normal open switch of relay T4, the normal open switch of relay T5, resistance are connected between one end of resistance R204 and the other end
The normal open switch of relay T6 is connected between one end of R205 and the other end, is connected between one end of resistance R206 and the other end
There is the normal open switch of relay T7, the other end of resistance R206 connects one end of the normal open switch of relay T8, relay T8's
The other end access D/C power anode of normal open switch, the 5th microcontroller 5.1 are used for respectively to relay T1~relay T8
Control terminal conveying control signal.
In above-mentioned technical proposal, the resistance R1~resistance R6 is power resistor, and the resistance value of resistance R1 is 2.5 Ω, electricity
The resistance value for hindering R2 is 5 Ω, the resistance value of resistance R3 is 7.5 Ω, the resistance value of resistance R4 is 10 Ω, the resistance value of resistance R5 is 25 Ω, electricity
The resistance value for hindering R6 is 45 Ω.
In above-mentioned technical proposal, the resistance R01~R06 is power resistor, and the resistance value of resistance R01 is 5 Ω, resistance
The resistance value of R02 is 10 Ω, the resistance value of resistance R03 is 20 Ω, the resistance value of resistance R04 is 15 Ω, the resistance value of resistance R05 be 50 Ω,
The resistance value of resistance R06 is 90 Ω.
In above-mentioned technical proposal, the resistance R001~R006 is power resistor, and the resistance value of resistance R001 is 25 Ω, electricity
The resistance value for hindering R002 is 50 Ω, the resistance value of resistance R003 is 75 Ω, the resistance value of resistance R004 is 100 Ω, the resistance value of resistance R005
Resistance value for 250 Ω, resistance R006 is 450 Ω.
In above-mentioned technical proposal, the resistance R101~resistance R106 is power resistor, and the resistance value of resistance R101 is 50
Ω, the resistance value of resistance R102 are 100 Ω, the resistance value of resistance R103 is 150 Ω, the resistance value of resistance R104 is 200 Ω, resistance R105
Resistance value be 500 Ω, the resistance value of resistance R106 be 900 Ω.
In above-mentioned technical proposal, the resistance R201~R206 is power resistor, the resistance value of resistance R201 is 250 Ω,
The resistance value of resistance R202 is 500 Ω, the resistance value of resistance R203 is 750 Ω, the resistance value of resistance R204 is 1000 Ω, resistance R205
Resistance value is 2500 Ω, the resistance value of resistance R206 is 4500 Ω.
In above-mentioned technical proposal, resistance R1 is made of 250W, 10A specific resistance, and resistance R2 is by 500W, 10A specific resistance
It is made, resistance R3 is formed in parallel by 2 375W, 5A specific resistances, and resistance R4 is formed in parallel by 2 500W, 5A specific resistances, electricity
Resistance R5 is formed in parallel by 5 500W, 2A specific resistances, it is contemplated that the limitation of relay switch voltage, resistance R6 is by 25 Ω resistance
It is in series with 20 Ω resistance, 20 Ω resistance are formed in parallel by 4 500W, 2.5A specific resistances.
In above-mentioned technical proposal, resistance R01 is made of 1 125W, 5A specific resistance, and resistance R02 is advised by 1 250W, 5A
Lattice resistance is made, and resistance R03 is made of 1 500W, 5A specific resistance, and resistance R04 is made of 1 375W, 5A specific resistance, electricity
Resistance R05 is formed in parallel by 4 312W, 1.25A specific resistances, and resistance R06 is in series by 50 Ω resistance and 40 Ω resistance, 40 Ω
It is formed in parallel by 2 500W, 2.5A specific resistances.
In above-mentioned technical proposal, the resistance R001's is made of 25W, 1A specific resistance, and resistance R002 is advised by 50W, 1A
Lattice resistance is made, and resistance R003 is made of 1 75W, 1A specific resistance, and resistance R004 is made of 1 100W, 1A specific resistance,
Resistance R005 is made of 1 250W, 1A specific resistance, and resistance R006 is made of 1 450W, 1A specific resistance.
In above-mentioned technical proposal, the resistance R101 is made of 1 12.5W, 0.5A specific resistance, and resistance R102 is by 1
25W, 0.5A specific resistance are made, and resistance R103 is made of 1 37.5W, 0.5A specific resistance, resistance R104 by 1 50W,
0.5A specific resistances are made, and resistance R105 is made of 1 125W, 0.5A specific resistance, and resistance R106 is advised by 1 225W, 0.5A
Lattice resistance is made；
The resistance R201 is made of 2.5W, 0.1A specific resistance, and resistance R202 is made of 5W, 0.1A specific resistance, electricity
Resistance R203 be made of 1 7.5W, 0.1A specific resistance, resistance R204 is made of 1 10W, 0.1A specific resistance, resistance R205 by
1 25W, 0.1A specific resistance is made, and resistance R206 is made of 1 45W, 0.1A specific resistance.
Each load blocks have microcontroller to receive RS485 control commands in the present invention, so as to control different resistance to add
Carry, by the different switchings of electric resistance array, it can be achieved that the band under DC charging motor constant current, constant voltage mode carries experiment, the course of work
As shown in Figure 2；Microcontroller in each load blocks realizes resistance value setting and regulation by the data communication between host computer
The resistance value of time interval changes.
The present invention overcomes common pure resistor load electric current is continuously adjustable, but the deficiency that voltage can not be continuously adjustable, realize
Electric current 0.1A~250A is continuously adjustable, the adjustings of the direct different voltages of 200V~950V.
According to off-board charger test requirements document, design (calculated) load meets that 200V~950V is adjustable, electric current 0A~250A, according to
0.1A steppings are adjustable.10A resistance calculations book is up to as shown in table 1-1.
Table 1-1 load resistances calculated description (Ω)
It can be designed according to 10A and with next module, pass through in the case where ensureing voltage as can be seen from the above table
10A in parallel and with lower module adjust curent change.Module design is required as shown in table 1-2 according to 25V voltage steps.
Table 1-2 resistance stepping tables
The content that this specification is not described in detail belongs to the prior art known to professional and technical personnel in the field.
Claims (10)
- A kind of 1. DC charging motor power test load, it is characterised in that：Including 10A voltage tunable load modules (1), 5A voltages Tunable load module (2), 1A voltage tunable load modules (3), 0.5A voltage tunable load modules (4) and 0.1A voltage adjustable negatives Carry module (5), the 10A voltages tunable load module (1) include the first microcontroller (1.1), relay K1~relay K8, with And the resistance R1 being sequentially connected in series~resistance R6, the 5A voltages tunable load module (2) include second singlechip (2.1), Relay Q1~relay Q8 and resistance R01~resistance the R06 being sequentially connected in series, the 1A voltages tunable load module (3) the 3rd microcontroller (3.1), relay P1~relay P8 and the resistance R001~resistance being sequentially connected in series are included R006, the 0.5A voltages tunable load module (4) include the 4th microcontroller (4.1), relay S1~relay S8, Yi Jiyi The secondary resistance R101~resistance R106 being connected in series, the 0.1A voltages tunable load module (5) include the 5th microcontroller (5.1), the relay T1~relay T8 and resistance R201~R206 being sequentially connected in series；One end of the normal open switch of one end connection relay K1 of the resistance R1, another termination of the normal open switch of relay K1 Enter D/C power cathode, be connected with the normal open switch of relay K2 between one end of resistance R1 and the other end, one end of resistance R2 with The normal open switch of relay K3 is connected between the other end, the normal of relay K4 is connected between one end of resistance R3 and the other end Switch, is connected with the normal open switch of relay K5, one end of resistance R5 and the other end between one end of resistance R4 and the other end Between be connected with the normal open switch of relay K6, the normally opened of relay K7 is connected between one end of resistance R6 and the other end and is opened Close, one end of the normal open switch of the other end connection relay K8 of resistance R6, the other end access of the normal open switch of relay K8 D/C power anode, first microcontroller (1.1) are used for respectively to the control terminal conveying control letter of relay K1~relay K8 Number；One end of the normal open switch of one end connection relay Q1 of the resistance R01, the other end of the normal open switch of relay Q1 D/C power cathode is accessed, is connected with the normal open switch of relay Q2 between one end of resistance R01 and the other end, the one of resistance R02 The normal open switch of relay Q3 is connected between end and the other end, relay is connected between one end of resistance R03 and the other end The normal open switch of Q4, is connected with the normal open switch of relay Q5, one end of resistance R05 between one end of resistance R04 and the other end The normal open switch of relay Q6 is connected between the other end, relay Q7 is connected between one end of resistance R06 and the other end Normal open switch, one end of the normal open switch of the other end connection relay Q8 of resistance R06, the normal open switch of relay Q8 it is another D/C power anode is accessed in one end, and the second singlechip (2.1) is used for defeated to the control terminal of relay Q1~relay Q8 respectively Send control signal；One end of the normal open switch of one end connection relay P1 of the resistance R001, the other end of the normal open switch of relay P1 D/C power cathode is accessed, the normal open switch of relay P2 is connected between one end of resistance R001 and the other end, resistance R002's The normal open switch of relay P3 is connected between one end and the other end, relay is connected between one end of resistance R003 and the other end The normal open switch of device P4, is connected with the normal open switch of relay P5 between one end of resistance R004 and the other end, resistance R005's The normal open switch of relay P6 is connected between one end and the other end, relay is connected between one end of resistance R006 and the other end The normal open switch of device P7, one end of the normal open switch of the other end connection relay P8 of resistance R006, the normally opened of relay P8 open The other end access D/C power anode of pass, the 3rd microcontroller (3.1) are used for the control to relay P1~relay P8 respectively End processed conveys control signal；One end of the normal open switch of one end connection relay S1 of the resistance R101, the other end of the normal open switch of relay S1 D/C power cathode is accessed, the normal open switch of relay S2 is connected between one end of resistance R101 and the other end, resistance R102's The normal open switch of relay S3 is connected between one end and the other end, relay is connected between one end of resistance R103 and the other end The normal open switch of device S4, is connected with the normal open switch of relay S5 between one end of resistance R104 and the other end, resistance R105's The normal open switch of relay S6 is connected between one end and the other end, relay is connected between one end of resistance R106 and the other end The normal open switch of device S7, one end of the normal open switch of the other end connection relay S8 of resistance R106, the normally opened of relay S8 open The other end access D/C power anode of pass, the 4th microcontroller (4.1) are used for the control to relay S1~relay S8 respectively End processed conveys control signal；One end of the normal open switch of one end connection relay T1 of the resistance R201, the other end of the normal open switch of relay T1 D/C power cathode is accessed, the normal open switch of relay T2 is connected between one end of resistance R201 and the other end, resistance R202's The normal open switch of relay T3 is connected between one end and the other end, relay is connected between one end of resistance R203 and the other end The normal open switch of device T4, is connected with the normal open switch of relay T5 between one end of resistance R204 and the other end, resistance R205's The normal open switch of relay T6 is connected between one end and the other end, relay is connected between one end of resistance R206 and the other end The normal open switch of device T7, one end of the normal open switch of the other end connection relay T8 of resistance R206, the normally opened of relay T8 open The other end access D/C power anode of pass, the 5th microcontroller (5.1) are used for the control to relay T1~relay T8 respectively End processed conveys control signal.
- 2. DC charging motor power test load according to claim 1, it is characterised in that：Resistance R1~resistance the R6 It is power resistor, the resistance value of resistance R1 is 2.5 Ω, the resistance value of resistance R2 is 5 Ω, the resistance value of resistance R3 is 7.5 Ω, resistance R4 Resistance value be 10 Ω, the resistance value of resistance R5 is 25 Ω, the resistance value of resistance R6 is 45 Ω.
- 3. DC charging motor power test load according to claim 1, it is characterised in that：Resistance R01~the R06 is equal For power resistor, the resistance value of resistance R01 is 5 Ω, the resistance value of resistance R02 is 10 Ω, the resistance value of resistance R03 is 20 Ω, resistance R04 Resistance value be 15 Ω, the resistance value of resistance R05 is 50 Ω, the resistance value of resistance R06 is 90 Ω.
- 4. DC charging motor power test load according to claim 1, it is characterised in that：Resistance R001~the R006 Be power resistor, the resistance value of resistance R001 is 25 Ω, the resistance value of resistance R002 is 50 Ω, the resistance value of resistance R003 be 75 Ω, The resistance value of resistance R004 is 100 Ω, the resistance value of resistance R005 is 250 Ω, the resistance value of resistance R006 is 450 Ω.
- 5. DC charging motor power test load according to claim 1, it is characterised in that：Resistance R101~the resistance R106 is power resistor, and the resistance value of resistance R101 is 50 Ω, the resistance value of resistance R102 is 100 Ω, the resistance value of resistance R103 is 150 Ω, the resistance value of resistance R104 are 200 Ω, the resistance value of resistance R105 is 500 Ω, the resistance value of resistance R106 is 900 Ω.
- 6. DC charging motor power test load according to claim 5, it is characterised in that：Resistance R201~the R206 It is power resistor, the resistance value of resistance R201 is 250 Ω, the resistance value of resistance R202 is 500 Ω, the resistance value of resistance R203 is 750 Ω, the resistance value of resistance R204 are 1000 Ω, the resistance value of resistance R205 is 2500 Ω, the resistance value of resistance R206 is 4500 Ω.
- 7. DC charging motor power test load according to claim 2, it is characterised in that：Resistance R1 is advised by 250W, 10A Lattice resistance is made, and resistance R2 is made of 500W, 10A specific resistance, and resistance R3 is formed in parallel by 2 375W, 5A specific resistances, electricity Resistance R4 be formed in parallel by 2 500W, 5A specific resistances, resistance R5 is formed in parallel by 5 500W, 2A specific resistances, resistance R6 by 25 Ω resistance and 20 Ω resistance are in series, and 20 Ω resistance are formed in parallel by 4 500W, 2.5A specific resistances.
- 8. DC charging motor power test load according to claim 3, it is characterised in that：Resistance R01 by 1 125W, 5A specific resistances are made, and resistance R02 is made of 1 250W, 5A specific resistance, and resistance R03 is by 1 500W, 5A specific resistance system Into resistance R04 is made of 1 375W, 5A specific resistance, and resistance R05 is formed in parallel by 4 312W, 1.25A specific resistances, electricity Resistance R06 is in series by 50 Ω resistance and 40 Ω resistance, and 40 Ω are formed in parallel by 2 500W, 2.5A specific resistances.
- 9. DC charging motor power test load according to claim 4, it is characterised in that：The resistance R001 by 25W, 1A specific resistance are made, and resistance R002 is made of 50W, 1A specific resistance, and resistance R003 is by 1 75W, 1A specific resistance system Into resistance R004 is made of 1 100W, 1A specific resistance, and resistance R005 is made of 1 250W, 1A specific resistance, resistance R006 It is made of 1 450W, 1A specific resistance.
- 10. DC charging motor power test load according to claim 6, it is characterised in that：The resistance R101 is by 1 12.5W, 0.5A specific resistance are made, and resistance R102 is made of 1 25W, 0.5A specific resistance, resistance R103 by 1 37.5W, 0.5A specific resistances are made, and resistance R104 is made of 1 50W, 0.5A specific resistance, and resistance R105 is by 1 125W, 0.5A specification Resistance is made, and resistance R106 is made of 1 225W, 0.5A specific resistance；The resistance R201 is made of 2.5W, 0.1A specific resistance, and resistance R202 is made of 5W, 0.1A specific resistance, resistance R203 is made of 1 7.5W, 0.1A specific resistance, and resistance R204 is made of 1 10W, 0.1A specific resistance, and resistance R205 is by 1 A 25W, 0.1A specific resistance is made, and resistance R206 is made of 1 45W, 0.1A specific resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711073402.4A CN107942159B (en) | 2017-11-03 | 2017-11-03 | Power test load of direct current charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711073402.4A CN107942159B (en) | 2017-11-03 | 2017-11-03 | Power test load of direct current charger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107942159A true CN107942159A (en) | 2018-04-20 |
| CN107942159B CN107942159B (en) | 2020-07-03 |
Family
ID=61933306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711073402.4A Active CN107942159B (en) | 2017-11-03 | 2017-11-03 | Power test load of direct current charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107942159B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111645490A (en) * | 2020-06-11 | 2020-09-11 | 江苏罗思韦尔电气有限公司 | Automobile air conditioner temperature controller and fault repairing method thereof |
| CN115840123A (en) * | 2023-03-01 | 2023-03-24 | 佛山市联动科技股份有限公司 | Transistor parameter testing device and testing method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090261843A1 (en) * | 2008-04-18 | 2009-10-22 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd | Load simulator |
| CN202433458U (en) * | 2012-01-16 | 2012-09-12 | 陕西公众智能科技有限公司 | Charger testing device for providing accurate loads |
| CN102981421A (en) * | 2012-11-19 | 2013-03-20 | 云南电力试验研究院（集团）有限公司电力研究院 | Control method for direct-current (DC) load and device thereof |
| CN104237788A (en) * | 2014-10-10 | 2014-12-24 | 南车株洲电机有限公司 | High-speed permanent magnet traction motor temperature rise testing method and resistor cabinet |
| CN104459393A (en) * | 2014-12-05 | 2015-03-25 | 国家电网公司 | Large-capacity adjustable simulation RLC test load |
| CN204405815U (en) * | 2015-02-10 | 2015-06-17 | 中国人民解放军海军航空工程学院青岛校区 | The parallel adjustable DC load of a kind of aviation highly reliable large power |
| CN105676025A (en) * | 2016-01-05 | 2016-06-15 | 天津大学 | Detection artificial load for movable electric vehicle charger |
| CN106324528A (en) * | 2015-06-16 | 2017-01-11 | 群光电能科技股份有限公司 | Variable load module |
-
2017
- 2017-11-03 CN CN201711073402.4A patent/CN107942159B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090261843A1 (en) * | 2008-04-18 | 2009-10-22 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd | Load simulator |
| CN202433458U (en) * | 2012-01-16 | 2012-09-12 | 陕西公众智能科技有限公司 | Charger testing device for providing accurate loads |
| CN102981421A (en) * | 2012-11-19 | 2013-03-20 | 云南电力试验研究院（集团）有限公司电力研究院 | Control method for direct-current (DC) load and device thereof |
| CN104237788A (en) * | 2014-10-10 | 2014-12-24 | 南车株洲电机有限公司 | High-speed permanent magnet traction motor temperature rise testing method and resistor cabinet |
| CN104459393A (en) * | 2014-12-05 | 2015-03-25 | 国家电网公司 | Large-capacity adjustable simulation RLC test load |
| CN204405815U (en) * | 2015-02-10 | 2015-06-17 | 中国人民解放军海军航空工程学院青岛校区 | The parallel adjustable DC load of a kind of aviation highly reliable large power |
| CN106324528A (en) * | 2015-06-16 | 2017-01-11 | 群光电能科技股份有限公司 | Variable load module |
| CN105676025A (en) * | 2016-01-05 | 2016-06-15 | 天津大学 | Detection artificial load for movable electric vehicle charger |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111645490A (en) * | 2020-06-11 | 2020-09-11 | 江苏罗思韦尔电气有限公司 | Automobile air conditioner temperature controller and fault repairing method thereof |
| CN111645490B (en) * | 2020-06-11 | 2022-05-24 | 江苏罗思韦尔电气有限公司 | Automobile air conditioner temperature controller and fault repairing method thereof |
| CN115840123A (en) * | 2023-03-01 | 2023-03-24 | 佛山市联动科技股份有限公司 | Transistor parameter testing device and testing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107942159B (en) | 2020-07-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204012751U (en) | A kind of energy feedback type programmable electronic can be presented load device | |
| CN107942159A (en) | DC charging motor power test loads | |
| CN204361736U (en) | Electric vehicle DC charging pile | |
| CN205335935U (en) | Adapt to distributed charging system's electric vehicle charger module and machine that charges | |
| CN103269183A (en) | Photovoltaic power station optimization control system and method based on real-time optimal efficiency | |
| CN202258087U (en) | Motor speed regulation DSP teaching experiment system | |
| CN104590057A (en) | Power supply control method for trolley bus and power supply system | |
| CN203377598U (en) | Intelligent load balancing apparatus | |
| CN204759082U (en) | Network power control module | |
| CN203166561U (en) | Modularization UPS composite management system | |
| CN206389177U (en) | The power supply unit of dual input power supply | |
| CN106058915A (en) | Active grid-connected-to-off-network switching control method based on single-phase multiple microgrids | |
| CN201083824Y (en) | Three phase electrical energy meter plane regulating platform | |
| CN201038757Y (en) | Digitalized active regulation energy-saving device main circuit | |
| CN203504178U (en) | Novel energy-saving distribution system | |
| CN202772596U (en) | Three-phase current unbalance compensation system based on capacitive regulation | |
| CN203289326U (en) | Quick cable connector-based four-quadrant high-voltage frequency converter | |
| CN205015461U (en) | Power battery correction system | |
| CN204190639U (en) | A kind of motorcycle energy-saving pressurizer of Based Intelligent Control | |
| CN109066929A (en) | A kind of power battery charge-discharge control system and method | |
| CN211018274U (en) | Frequency converter power distribution system based on public direct current bus | |
| CN209402908U (en) | A kind of electric control box | |
| CN203104298U (en) | All-solid-state converter | |
| CN204013237U (en) | Four-quadrant high-voltage frequency converter based on cable speed row | |
| CN202651794U (en) | Main loop wiring structure of aluminum alloy surface treatment coloring silicon machine and oxidation silicon machine |
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 |