CN108983092B - Wire breaking box device, motor test assembly and motor test method - Google Patents
Wire breaking box device, motor test assembly and motor test method Download PDFInfo
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- CN108983092B CN108983092B CN201810552722.6A CN201810552722A CN108983092B CN 108983092 B CN108983092 B CN 108983092B CN 201810552722 A CN201810552722 A CN 201810552722A CN 108983092 B CN108983092 B CN 108983092B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
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Abstract
The invention provides a wire breaking box device, a motor test assembly and a motor test method, wherein the wire breaking box device comprises: the high-voltage driving integrated unit comprises a high-voltage driving integrated unit connecting terminal, a first motor connecting terminal, a second motor connecting terminal, a first switch module, a second switch module, a communication module and a power supply module; the first switch module is respectively connected with the power supply module, the communication module, the high-voltage driving integrated unit connecting terminal and the first motor connecting terminal, the second switch module is respectively connected with the power supply module, the communication module, the high-voltage driving integrated unit connecting terminal and the second motor connecting terminal, and the first switch module can electrically connect or disconnect the high-voltage driving integrated unit connecting terminal and the first motor connecting terminal; the second switching module may electrically connect or disconnect the high voltage driving integrated unit connection terminal and the second motor connection terminal. The invention can realize the switching of the objects electrically connected with the connecting terminal of the high-voltage driving integrated unit.
Description
Technical Field
The invention relates to the field of electric automobile testing, in particular to a wire breaking box device, a motor testing assembly and a motor testing method.
Background
With the use of electric vehicles becoming more and more widespread, the safety of electric vehicles is also receiving more and more attention from people. In order to ensure the safety of the electric automobile as much as possible, the electric automobile needs to be subjected to strict real automobile function test before the electric automobile leaves a factory.
Generally, the connection part of the high voltage driving integrated unit and the motor is arranged in a complete shell, if the high voltage connection line of the motor and the high voltage driving integrated unit needs to be led out, the shell needs to be damaged, and the operation is very inconvenient.
Disclosure of Invention
The invention provides a wire breaking box device, a motor test assembly and a motor test method, which are used for solving the problem that a high-voltage connecting wire of a motor and a high-voltage driving integrated unit is inconvenient to lead out in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme:
according to an aspect of the present invention, there is provided a wire breaking box device comprising:
the high-voltage driving integrated unit comprises a high-voltage driving integrated unit connecting terminal, a first motor connecting terminal, a second motor connecting terminal, a first switch module, a second switch module, a communication module and a power supply module;
the first switch module is respectively connected with the power supply module, the communication module, the high-voltage driving integrated unit connecting terminal and the first motor connecting terminal, and is used for receiving a first control signal sent by the communication module and electrically connecting the high-voltage driving integrated unit connecting terminal and the first motor connecting terminal according to the first control signal or electrically disconnecting the high-voltage driving integrated unit connecting terminal and the first motor connecting terminal according to the first control signal;
the second switch module is respectively connected with the power supply module, the communication module, the high-voltage driving integrated unit connecting terminal and the second motor connecting terminal, and the second switch module is used for receiving a second control signal sent by the communication module and electrically connecting the high-voltage driving integrated unit connecting terminal and the second motor connecting terminal or electrically disconnecting the high-voltage driving integrated unit connecting terminal and the second motor connecting terminal according to the second control signal.
Further, the high-voltage driving integrated unit connection terminal, the first motor connection terminal and the second motor connection terminal each include a U-phase terminal, a V-phase terminal and a W-phase terminal; the first switch module includes: a first switching unit, a second switching unit, and a third switching unit; the second switch module includes: a fourth switching unit, a fifth switching unit and a sixth switching unit;
the first switch unit is respectively connected with the power supply module, the communication module, a U-phase terminal of the high-voltage drive integrated unit connecting terminal and a U-phase terminal of the first motor connecting terminal, and is used for receiving the first control signal and carrying out closing or opening according to the first control signal;
the second switch unit is respectively connected with the power supply module, the communication module, a V-phase terminal of a connecting terminal of the high-voltage drive integrated unit and a V-phase terminal of a connecting terminal of the first motor, and is used for receiving the first control signal and carrying out closing or opening according to the first control signal;
the third switching unit is respectively connected with the power supply module, the communication module, a W-phase terminal of the high-voltage drive integrated unit connecting terminal and a W-phase terminal of the first motor connecting terminal, and is used for receiving the first control signal and carrying out closing or opening according to the first control signal;
the fourth switching unit is respectively connected with the power supply module, the communication module, a U-phase terminal of the high-voltage drive integrated unit connecting terminal and a U-phase terminal of the second motor connecting terminal, and is used for receiving the second control signal and carrying out closing or opening according to the second control signal;
the fifth switch unit is respectively connected with the power supply module, the communication module, a V-phase terminal of the high-voltage drive integrated unit connecting terminal and a V-phase terminal of the second motor connecting terminal, and is used for receiving the second control signal and carrying out closing or opening according to the second control signal;
the sixth switching unit is respectively connected with the power supply module, the communication module, the W-phase terminal of the high-voltage drive integrated unit connecting terminal and the W-phase terminal of the second motor connecting terminal, and is used for receiving the second control signal and conducting closing or opening according to the second control signal.
Further, the disconnection box device further comprises a shell, a cavity is formed inside the shell, the first switch unit, the second switch unit, the third switch unit, the fourth switch unit, the fifth switch unit, the sixth switch unit and the power supply module are all located in the cavity, the shell is provided with an opening, the communication module is located at the opening, and the high-voltage driving integrated unit connecting terminal, the first motor connecting terminal and the second motor connecting terminal are all partially exposed outside the shell.
Further, high pressure drive integrated unit connecting terminal and first motor connecting terminal set up in the homonymy of shell, second motor connecting terminal set up in first motor connecting terminal's relative one side.
Further, the U-phase terminal of the high-voltage driving integrated unit connecting terminal is adjacent to the U-phase terminal of the first motor connecting terminal, the V-phase terminal of the high-voltage driving integrated unit connecting terminal is adjacent to the V-phase terminal of the first motor connecting terminal, and the W-phase terminal of the high-voltage driving integrated unit connecting terminal is adjacent to the W-phase terminal of the first motor connecting terminal.
Further, the first switch unit, the second switch unit, the third switch unit, the fourth switch unit, the fifth switch unit and the sixth switch unit are all single-pole single-throw relays.
Further, the shell is the cuboid structure, expose in the shell high pressure drive integrated unit connecting terminal, first motor connecting terminal, second motor connecting terminal all seted up with the through-hole of the length direction equidirectional of shell.
Further, the communication module comprises a controller area network communication interface and a data processor connected with the controller area network communication interface, wherein the data processor is used for converting the controller area network signal received by the controller area network communication interface into a hard wire signal.
According to another aspect of the present invention, there is provided a motor testing assembly, including a motor, a high voltage driving integrated unit and an upper computer, further including: a motor simulator and the above-mentioned break box device;
high pressure drive integrated unit connecting terminal through first copper bar with high pressure drive integrated unit connects, first motor connecting terminal through the second copper bar with the motor is connected, second motor connecting terminal through first hardwire with the motor simulator is connected, the host computer pass through the second hardwire with communication module connects.
Further, the first copper bar comprises a first connecting portion and a second connecting portion which are perpendicular to each other, wherein through holes are formed in the first connecting portion and the second connecting portion.
Further, the second copper bar comprises a third connecting portion, a transition portion and a fourth connecting portion which are connected in sequence, wherein through holes are formed in the third connecting portion and the fourth connecting portion, and the length direction of the third connecting portion is the same as that of the fourth connecting portion.
According to a further aspect of the present invention, there is provided a motor testing method applied to the motor testing assembly as described above, including:
acquiring the switch state of a first switch module and the switch state of a second switch module in the disconnection box device, and determining a first object electrically connected with a high-voltage driving integrated unit, wherein the first object comprises: a motor or a motor simulator;
according to the test requirement, determining a second object which needs to be electrically connected with the high-voltage driving integrated unit, wherein the second object comprises: a motor or a motor simulator;
and when the first object is inconsistent with the second object, acquiring the state of an ignition switch of a test vehicle, and when the state of the ignition switch is in a closed state, sending a control signal to the disconnection box device, and switching the object electrically connected with the high-voltage drive integrated unit from the first object to the second object through the first switch module and the second switch module.
Further, when the first object is consistent with the second object, the switch state of the first switch module and the switch state of the second switch module in the disconnection box device are maintained.
Further, before the step of sending the control signal to the disconnection box device, the motor testing method further includes: and timing by a timing device, and when the timing time is preset time, executing the step of sending the control signal to the disconnection box device.
Further, the motor testing method further comprises the following steps: and when the state of the ignition switch is in a non-off state, generating reminding information for indicating a user to adjust the state of the ignition switch to be in an off state.
The invention has the beneficial effects that:
according to the technical scheme, the first switch module can electrically connect the high-voltage driving integrated unit connecting terminal with the first motor connecting terminal and can also electrically disconnect the high-voltage driving integrated unit connecting terminal from the first motor connecting terminal; the second switch module can be used for electrically connecting the high-voltage driving integrated unit connecting terminal with the second motor connecting terminal and also can be used for electrically disconnecting the high-voltage driving integrated unit connecting terminal from the second motor connecting terminal, so that the object electrically connected with the high-voltage driving integrated unit connecting terminal is switched, and when a motor and an integrated element of the high-voltage driving integrated unit are tested, a high-voltage connecting wire is conveniently led out, so that the testing is facilitated.
Drawings
FIG. 1 is a schematic diagram of a wire breaking box according to an embodiment of the present invention;
FIG. 2 is a schematic circuit diagram of a wire breaking box device according to an embodiment of the present invention;
FIG. 3 is a second schematic diagram of a wire breaking box device according to an embodiment of the present invention;
FIG. 4 is a schematic view of a motor test assembly according to an embodiment of the present invention;
fig. 5 is a schematic view of a first copper bar according to an embodiment of the present invention;
fig. 6 is a schematic view of a second copper bar according to an embodiment of the present invention;
fig. 7 is a schematic diagram illustrating a motor testing method according to an embodiment of the present invention.
Description of reference numerals:
11. a high voltage driving integrated unit connection terminal; 12. a first motor connection terminal; 13. a second motor connection terminal; 14. a first switch module; 15. a second switch module; 16. a communication module; 17. a power supply module; 18. a housing; 181. an opening; k1, a first switch unit; k2, a second switching unit; k3, a third switching unit; k4, a fourth switching unit; k5, a fifth switching unit; k6, a sixth switching unit; 41. a motor; 42. a high voltage drive integrated unit; 43. a wire breaking box device; 44. a first copper bar; 441. a first connection portion; 442. a second connecting portion; 45. a second copper bar; 451. a third connecting portion; 452. a transition section; 453. and a fourth connecting portion.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
As shown in fig. 1, an embodiment of the present invention provides a wire breaking box device, including:
the high-voltage driving integrated unit comprises a high-voltage driving integrated unit connecting terminal 11, a first motor connecting terminal 12, a second motor connecting terminal 13, a first switch module 14, a second switch module 15, a communication module 16 and a power supply module 17;
the first switch module 14 is respectively connected with the power supply module 17, the communication module 16, the high-voltage driving integrated unit connecting terminal 11 and the first motor connecting terminal 12, and the first switch module 14 is used for receiving a first control signal sent by the communication module 16 and electrically connecting the high-voltage driving integrated unit connecting terminal 11 with the first motor connecting terminal 12 according to the first control signal or electrically disconnecting the high-voltage driving integrated unit connecting terminal 11 with the first motor connecting terminal 12 according to the first control signal;
the second switch module 15 is connected to the power supply module 17, the communication module 16, the high-voltage driving integrated unit connection terminal 11 and the second motor connection terminal 13, respectively, and the second switch module 15 is configured to receive a second control signal sent by the communication module 16 and electrically connect the high-voltage driving integrated unit connection terminal 11 and the second motor connection terminal 13 according to the second control signal, or electrically disconnect the high-voltage driving integrated unit connection terminal 11 and the second motor connection terminal 13 according to the second control signal.
It should be noted that the power supply module 17 supplies power to the first switch module 14, the second switch module 15 and the communication module 16, the output voltage of the power supply module 17 is determined by the working voltages of the first switch module 14, the second switch module 15 and the communication module 16, preferably, the output voltage of the power supply module 17 is 12 volts, the power supply module 17 can be connected with an external power supply to convert the voltage output by the power supply into 12 volts and supply the 12 volts to the first switch module 14, the second switch module 15 and the communication module 16, for example, the voltage input by the power supply to the power supply module 17 is 12 volts, the power supply module 17 directly supplies the 12 volts to the first switch module 14, the second switch module 15 and the communication module 16, the voltage input by the power supply to the power supply module 17 is 220 volts, the power supply module 17 converts the 220 volts into 12 volts, and then supplies the 12 volts after conversion to the first switch module 14, the second switch module 15 and the communication module 16, The second switching module 15 and the communication module 16, but the power supply module may also be a 12 volt dc battery. The communication module 16 can receive and transmit signals, receive control signals output by the upper computer, and send the control signals to the first switch module 14 and the second switch module 15 respectively, so as to control the on-off states of the first switch module 14 and the second switch module 15, preferably, the first switch module 14 has two on-off states, one is a closed state, so that the high-voltage driving integrated unit connection terminal 11 and the first motor connection terminal 12 are electrically connected, and the other is an open state, so that the high-voltage driving integrated unit connection terminal 11 and the first motor connection terminal 12 are electrically disconnected; the second switch module 15 is similar to the first switch module 14 and will not be described herein. The communication module 16 may also send a signal carrying the switching states of the first switch module 14 and the second switch module 15 to an upper computer, so that the electrical connection state between the high voltage driving integrated unit connection terminal 11, the first motor connection terminal 12, and the second motor connection terminal 13 can be known by the upper computer.
In the embodiment of the present invention, the first switch module 14 may electrically connect the high voltage driving integrated unit connection terminal 11 and the first motor connection terminal 12, or may electrically disconnect the high voltage driving integrated unit connection terminal 11 and the first motor connection terminal 12; the second switch module 15 can electrically connect the high-voltage driving integrated unit connecting terminal 11 with the second motor connecting terminal 13, and can also electrically disconnect the high-voltage driving integrated unit connecting terminal 11 from the second motor connecting terminal 13, so that the object electrically connected with the high-voltage driving integrated unit connecting terminal 11 is switched, and when a motor and an integrated element of the high-voltage driving integrated unit are tested, a high-voltage connecting wire is conveniently led out, thereby being beneficial to testing.
As shown in fig. 2, in order to conveniently control each phase of three-phase power, in the embodiment of the present invention, on the basis of the above embodiment of the present invention, the high-voltage driving integrated unit connection terminal 11, the first motor connection terminal 12, and the second motor connection terminal 13 each include a U-phase terminal, a V-phase terminal, and a W-phase terminal; the first switch module includes: a first switching unit K1, a second switching unit K2, and a third switching unit K3; the second switch module includes: a fourth switching unit K4, a fifth switching unit K5, and a sixth switching unit K6;
the first switching unit K1 is respectively connected with the power supply module (not shown in fig. 2), the communication module 16, the U-phase terminal of the high voltage driving integrated unit connection terminal 11, and the U-phase terminal of the first motor connection terminal 12, and the first switching unit K1 is configured to receive a first control signal and perform closing or opening according to the first control signal;
the second switch unit K2 is respectively connected with the power supply module, the communication module 16, the V-phase terminal of the high-voltage driving integrated unit connection terminal 11 and the V-phase terminal of the first motor connection terminal 12, and the second switch unit K2 is configured to receive the first control signal and perform closing or opening according to the first control signal;
the third switching unit K3 is respectively connected with the power supply module, the communication module 16, the W-phase terminal of the high voltage driving integrated unit connection terminal 11 and the W-phase terminal of the first motor connection terminal 12, and the third switching unit K3 is configured to receive the first control signal and perform closing or opening according to the first control signal;
the fourth switch unit K4 is respectively connected to the power supply module, the communication module 16, the U-phase terminal of the high voltage driving integrated unit connection terminal 11, and the U-phase terminal of the second motor connection terminal 13, and the fourth switch unit K4 is configured to receive the second control signal and turn on or off according to the second control signal;
the fifth switch unit K5 is respectively connected to the power supply module, the communication module 16, the V-phase terminal of the high voltage driving integrated unit connection terminal 11, and the V-phase terminal of the second motor connection terminal 13, and the fifth switch unit K5 is configured to receive the second control signal and turn on or off according to the second control signal;
the sixth switching unit K6 is respectively connected to the power supply module, the communication module 16, the W-phase terminal of the high voltage driving integrated unit connection terminal 11, and the W-phase terminal of the second motor connection terminal 13, and the sixth switching unit K6 is configured to receive the second control signal and perform a closing or opening operation according to the second control signal.
It should be noted that, when the wire-breaking box device is applied to a three-phase circuit, the high-voltage driving integrated unit connection terminal 11, the first motor connection terminal 12 and the second motor connection terminal 13 each include a U-phase terminal, a V-phase terminal and a W-phase terminal, and in order to facilitate control of connection and disconnection of each phase, the connection between the high-voltage driving integrated unit connection terminal 11 and the first motor connection terminal 12 and the connection between the high-voltage driving integrated unit connection terminal 11 and the second motor connection terminal 13 are controlled by three switch units, respectively, and when the first switch unit K1 is closed, the U-phase terminal of the high-voltage driving integrated unit connection terminal 11 and the U-phase terminal of the first motor connection terminal 12 are electrically connected, and when the first switch unit K1 is disconnected, the U-phase terminal of the high-voltage driving integrated unit connection terminal 11 and the U-phase terminal of the first motor connection terminal 12 are, The third, fourth, fifth and sixth switching units K3, K4, K5 and K6 are similar to the first switching unit K1, and thus are not described herein again. When the high voltage driving integrated unit connection terminal 11 and the first motor connection terminal 12 are electrically connected, the first switching unit K1, the second switching unit K2, and the third switching unit K3 are all closed; when the high voltage driving integrated unit connection terminal 11 and the first motor connection terminal 12 are electrically disconnected, the first switching unit K1, the second switching unit K2, and the third switching unit K3 are all turned off; the fourth switching unit K4, the fifth switching unit K5 and the sixth switching unit K6 are all closed when the high voltage driving integrated unit connecting terminal 11 and the second motor connecting terminal 13 are electrically connected, and the fourth switching unit K4, the fifth switching unit K5 and the sixth switching unit K6 are all opened when the high voltage driving integrated unit connecting terminal 11 and the second motor connecting terminal 13 are electrically disconnected.
The on and off states of the first switch unit K1, the second switch unit K2, the third switch unit K3, the fourth switch unit K4, the fifth switch unit K5 and the sixth switch unit K6 are determined by the control signal transmitted by the communication module 16, but may be preset to default states of the respective switch units before the control signal transmitted by the communication module 16 is not received. Preferably, the first switch unit K1, the second switch unit K2, the third switch unit K3, the fourth switch unit K4, the fifth switch unit K5 and the sixth switch unit K6 are all single-pole single-throw relays.
As shown in fig. 3, in order to facilitate the use of the wire breaking box device, in the embodiment of the present invention, on the basis of the above embodiments of the present invention, the wire breaking box device further includes a housing 18, a cavity is formed inside the housing 18, the first switch unit K1, the second switch unit K2, the third switch unit K3, the fourth switch unit K4, the fifth switch unit K5, the sixth switch unit K6, and the power supply module are all located in the cavity, the housing 18 is provided with an opening 181, the communication module 16 is located at the opening 181, and the high voltage driving integrated unit connection terminal 11, the first motor connection terminal 12, and the second motor connection terminal 13 are all partially exposed outside the housing 18.
It should be noted that the high voltage driving integrated unit connection terminal 11 and the first motor connection terminal 12 are disposed on the same side of the housing 18, and the second motor connection terminal 13 is disposed on the opposite side of the first motor connection terminal 12. The U-phase terminal of the high voltage driving integrated unit connection terminal 11 is adjacent to the U-phase terminal of the first motor connection terminal 12, the V-phase terminal of the high voltage driving integrated unit connection terminal 11 is adjacent to the V-phase terminal of the first motor connection terminal 12, and the W-phase terminal of the high voltage driving integrated unit connection terminal 11 is adjacent to the W-phase terminal of the first motor connection terminal 12.
The housing 18 is a rectangular parallelepiped structure, and through holes in the same direction as the length direction of the housing are formed in the high-voltage driving integrated unit connecting terminal 11, the first motor connecting terminal 12, and the second motor connecting terminal 13 exposed out of the housing 18. Of course, the shape of the case 18 for protecting the components provided inside the case 18 is not limited to the rectangular parallelepiped structure, and may be a rectangular parallelepiped structure, an irregular shape, or the like.
In order to facilitate the communication module to receive and transmit signals, on the basis of the above embodiments of the present invention, in an embodiment of the present invention, the communication module includes a controller area network communication interface and a data processor connected to the controller area network communication interface, where the data processor is configured to convert a controller area network signal received by the controller area network communication interface into a hard-wired signal.
It should be noted that the controller area network communication interface is connected to the upper computer, and is configured to receive a controller area network signal sent by the upper computer, convert the controller area network signal into a hard-line signal through the data processor, and send the converted hard-line signal to the first switch module 14 and the second switch module 15.
As shown in fig. 4-6, according to another aspect of the present invention, there is provided a motor testing assembly, which includes a motor 41, a high voltage driving integrated unit 42, an upper computer (not shown in fig. 3), a motor simulator (not shown in fig. 3), and a wire breaking box device 43 provided by the above embodiments of the present invention;
high voltage drive integrated unit connecting terminal 11 is connected with high voltage drive integrated unit 42 through first copper bar 44, and first motor connecting terminal 12 is connected with motor 41 through second copper bar 45, and second motor connecting terminal 13 is connected with the motor simulator through first hardwire, and the host computer passes through the second hardwire and is connected with communication module.
It should be noted that the first copper bar 44 includes a first connecting portion 441 and a second connecting portion 442 which are perpendicular to each other, wherein the first connecting portion 441 and the second connecting portion 442 are provided with through holes. The second copper bar 45 includes a third connecting portion 451, a transition portion 452, and a fourth connecting portion 453 connected in sequence, wherein the third connecting portion 451 and the fourth connecting portion 453 are both provided with a through hole, and a length direction of the third connecting portion 451 is the same as a length direction of the fourth connecting portion 453.
In the embodiment of the invention, the disconnection box device 43 is used for controlling the electrical connection among the high-voltage driving integrated unit connecting terminal 11, the first motor connecting terminal 12 and the second motor connecting terminal 13, so that the object electrically connected with the high-voltage driving integrated unit 42 is switched between the motor 41 and the motor simulator, the test is convenient, and the high-voltage connecting wire of the high-voltage driving integrated unit 42 can be led out of the shell of the high-voltage driving integrated unit, thereby avoiding damaging the shell of the high-voltage driving integrated unit.
As shown in fig. 7, according to another aspect of the present invention, there is provided a motor testing method applied to the motor testing assembly provided in the above embodiments of the present invention, the motor testing method includes:
s71: acquiring the switch state of a first switch module and the switch state of a second switch module in the disconnection box device, and determining a first object electrically connected with the high-voltage driving integrated unit, wherein the first object comprises: a motor or a motor simulator;
it should be noted that the first switch module has two switch states, wherein the switch state is a closed state to electrically connect the high-voltage driving integrated unit connection terminal and the first motor connection terminal, and the switch state is an open state to electrically disconnect the high-voltage driving integrated unit connection terminal and the first motor connection terminal; the second switch module is similar to the first switch module, and is not described herein again. The high-voltage driving integrated unit connecting terminal is connected with the high-voltage driving integrated unit, the first motor connecting terminal is connected with the motor, and the second motor connecting terminal is connected with the motor simulator, so that the first object electrically connected with the high-voltage driving integrated unit can be determined to be the motor or the motor simulator according to the switching state of the first switch module and the switching state of the second switch module.
S72: according to the test requirement, determining a second object which needs to be electrically connected with the high-voltage driving integrated unit, wherein the second object comprises: a motor or a motor simulator;
it should be noted that the test requirement is which one of the motor and the motor simulator needs to be electrically connected with the high-voltage driving integrated unit in the test process, and the test requirement can be manually selected, and of course, the test requirement can also be selected in a test case manner.
S73: and when the first object is inconsistent with the second object, acquiring the state of an ignition switch of the test vehicle, sending a control signal to the disconnection box device when the state of the ignition switch is in a closed state, and switching the object electrically connected with the high-voltage driving integrated unit from the first object to the second object through the first switch module and the second switch module.
It should be noted that when switching the objects electrically connected to the high voltage driving integrated unit, it is necessary to ensure that the entire vehicle is powered OFF, that is, the ignition switch of the test vehicle is in an OFF state, for example, in an OFF gear. Of course, when the first object is consistent with the second object, the switch state of the first switch module and the switch state of the second switch module in the disconnection box device are maintained.
In the embodiment of the invention, whether switching is needed or not is determined according to the test requirement and the current first object electrically connected with the high-voltage drive integrated unit, and when the current first object electrically connected with the high-voltage drive integrated unit does not meet the test requirement, the first object electrically connected with the high-voltage drive integrated unit is switched to be the second object, so that the convenience of motor test is improved.
In order to ensure that the test vehicle is in a high-voltage low-voltage state when the object electrically connected with the high-voltage driving integrated unit is switched, on the basis of the above embodiments of the present invention, in an embodiment of the present invention, before the step of sending the control signal to the disconnection box device, the motor test method further includes: and a step of counting time by the timing device and sending a control signal to the disconnection box device when the counted time is preset time.
It should be noted that the predetermined time is set by the tester based on experience, for example, the predetermined time may be 5 to 10 seconds, but is not limited thereto.
In order to improve the safety of the test, on the basis of the above embodiments of the present invention, in the embodiment of the present invention, the method for testing a motor further includes: and when the state of the ignition switch is in a non-off state, generating reminding information for instructing a user to adjust the state of the ignition switch to be in an off state.
It should be noted that the non-off state includes the ignition switch being in the ON range, the ACC range, but is not limited thereto.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
Claims (15)
1. A box break apparatus, comprising:
the high-voltage driving integrated unit comprises a high-voltage driving integrated unit connecting terminal, a first motor connecting terminal, a second motor connecting terminal, a first switch module, a second switch module, a communication module and a power supply module;
the first switch module is respectively connected with the power supply module, the communication module, the high-voltage driving integrated unit connecting terminal and the first motor connecting terminal, and is used for receiving a first control signal sent by the communication module and electrically connecting the high-voltage driving integrated unit connecting terminal and the first motor connecting terminal according to the first control signal or electrically disconnecting the high-voltage driving integrated unit connecting terminal and the first motor connecting terminal according to the first control signal;
the second switch module is respectively connected with the power supply module, the communication module, the high-voltage driving integrated unit connecting terminal and the second motor connecting terminal, and the second switch module is used for receiving a second control signal sent by the communication module and electrically connecting the high-voltage driving integrated unit connecting terminal and the second motor connecting terminal or electrically disconnecting the high-voltage driving integrated unit connecting terminal and the second motor connecting terminal according to the second control signal.
2. The wire break cassette apparatus according to claim 1, wherein the high voltage drive integrated unit connection terminal, the first motor connection terminal, and the second motor connection terminal each include a U-phase terminal, a V-phase terminal, and a W-phase terminal; the first switch module includes: a first switching unit, a second switching unit, and a third switching unit; the second switch module includes: a fourth switching unit, a fifth switching unit and a sixth switching unit;
the first switch unit is respectively connected with the power supply module, the communication module, a U-phase terminal of the high-voltage drive integrated unit connecting terminal and a U-phase terminal of the first motor connecting terminal, and is used for receiving the first control signal and carrying out closing or opening according to the first control signal;
the second switch unit is respectively connected with the power supply module, the communication module, a V-phase terminal of a connecting terminal of the high-voltage drive integrated unit and a V-phase terminal of a connecting terminal of the first motor, and is used for receiving the first control signal and carrying out closing or opening according to the first control signal;
the third switching unit is respectively connected with the power supply module, the communication module, a W-phase terminal of the high-voltage drive integrated unit connecting terminal and a W-phase terminal of the first motor connecting terminal, and is used for receiving the first control signal and carrying out closing or opening according to the first control signal;
the fourth switching unit is respectively connected with the power supply module, the communication module, a U-phase terminal of the high-voltage drive integrated unit connecting terminal and a U-phase terminal of the second motor connecting terminal, and is used for receiving the second control signal and carrying out closing or opening according to the second control signal;
the fifth switch unit is respectively connected with the power supply module, the communication module, a V-phase terminal of the high-voltage drive integrated unit connecting terminal and a V-phase terminal of the second motor connecting terminal, and is used for receiving the second control signal and carrying out closing or opening according to the second control signal;
the sixth switching unit is respectively connected with the power supply module, the communication module, the W-phase terminal of the high-voltage drive integrated unit connecting terminal and the W-phase terminal of the second motor connecting terminal, and is used for receiving the second control signal and conducting closing or opening according to the second control signal.
3. The box-type disconnection device according to claim 2, further comprising a housing, wherein a cavity is formed inside the housing, the first switch unit, the second switch unit, the third switch unit, the fourth switch unit, the fifth switch unit, the sixth switch unit and the power supply module are all located in the cavity, the housing is provided with an opening, the communication module is located at the opening, and the high-voltage driving integrated unit connection terminal, the first motor connection terminal and the second motor connection terminal are partially exposed outside the housing.
4. The disconnect cassette device of claim 3, wherein the high voltage drive integrated unit connection terminal and the first motor connection terminal are disposed on a same side of the housing, and the second motor connection terminal is disposed on an opposite side of the first motor connection terminal.
5. The disconnect box device of claim 4, wherein a U-phase terminal of the high voltage drive integrated unit connection terminal is adjacent to a U-phase terminal of the first motor connection terminal, a V-phase terminal of the high voltage drive integrated unit connection terminal is adjacent to a V-phase terminal of the first motor connection terminal, and a W-phase terminal of the high voltage drive integrated unit connection terminal is adjacent to a W-phase terminal of the first motor connection terminal.
6. The box-breaking device according to claim 2, wherein the first switch unit, the second switch unit, the third switch unit, the fourth switch unit, the fifth switch unit and the sixth switch unit are all single-pole single-throw relays.
7. The device according to claim 3, wherein the housing has a rectangular structure, and the high voltage driving integrated unit connection terminal, the first motor connection terminal and the second motor connection terminal exposed out of the housing are all provided with through holes in the same direction as the length direction of the housing.
8. The apparatus of claim 1, wherein the communication module comprises a controller area network communication interface and a data processor connected to the controller area network communication interface, wherein the data processor is configured to convert a controller area network signal received by the controller area network communication interface into a hard-wired signal.
9. The utility model provides a motor test assembly, includes motor, high pressure drive integrated unit and host computer, its characterized in that still includes: a motor simulator and a break box device according to any of claims 1-8;
high pressure drive integrated unit connecting terminal through first copper bar with high pressure drive integrated unit connects, first motor connecting terminal through the second copper bar with the motor is connected, second motor connecting terminal through first hardwire with the motor simulator is connected, the host computer pass through the second hardwire with communication module connects.
10. The motor test assembly of claim 9, wherein the first copper bar comprises a first connecting portion and a second connecting portion that are perpendicular to each other, and wherein the first connecting portion and the second connecting portion are provided with through holes.
11. The motor test assembly according to claim 9, wherein the second copper bar comprises a third connecting portion, a transition portion and a fourth connecting portion, which are connected in sequence, wherein through holes are formed in the third connecting portion and the fourth connecting portion, and the length direction of the third connecting portion is the same as the length direction of the fourth connecting portion.
12. A motor testing method applied to a motor testing assembly according to any one of claims 9 to 11, comprising:
acquiring the switch state of a first switch module and the switch state of a second switch module in the disconnection box device, and determining a first object electrically connected with a high-voltage driving integrated unit, wherein the first object is as follows: a motor or a motor simulator;
according to the test requirement, determining a second object which needs to be electrically connected with the high-voltage driving integrated unit, wherein the second object is as follows: a motor or a motor simulator;
and when the first object is inconsistent with the second object, acquiring the state of an ignition switch of a test vehicle, and when the state of the ignition switch is in a closed state, sending a control signal to the disconnection box device, and switching the object electrically connected with the high-voltage drive integrated unit from the first object to the second object through the first switch module and the second switch module.
13. The motor testing method of claim 12, wherein the switch state of the first switch module and the switch state of the second switch module in the disconnect box device are maintained when the first object is consistent with the second object.
14. The motor testing method of claim 12, wherein prior to the step of sending the control signal to the disconnect box device, the motor testing method further comprises: and timing by a timing device, and when the timing time is preset time, executing the step of sending the control signal to the disconnection box device.
15. The motor testing method of claim 12, further comprising: and when the state of the ignition switch is in a non-off state, generating reminding information for indicating a user to adjust the state of the ignition switch to be in an off state.
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| CN201810552722.6A CN108983092B (en) | 2018-05-31 | 2018-05-31 | Wire breaking box device, motor test assembly and motor test method |
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| CN201810552722.6A CN108983092B (en) | 2018-05-31 | 2018-05-31 | Wire breaking box device, motor test assembly and motor test method |
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| CN108983092B true CN108983092B (en) | 2020-06-30 |
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| CN108983092A (en) | 2018-12-11 |
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