CN117214692A - Multifunctional electric performance testing system and testing process for brushless motor - Google Patents
Multifunctional electric performance testing system and testing process for brushless motor Download PDFInfo
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- CN117214692A CN117214692A CN202310872351.0A CN202310872351A CN117214692A CN 117214692 A CN117214692 A CN 117214692A CN 202310872351 A CN202310872351 A CN 202310872351A CN 117214692 A CN117214692 A CN 117214692A
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- 238000012360 testing method Methods 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 title claims description 12
- 239000000523 sample Substances 0.000 claims abstract description 43
- 238000003825 pressing Methods 0.000 claims abstract description 8
- 230000000087 stabilizing effect Effects 0.000 claims description 42
- 238000005070 sampling Methods 0.000 claims description 40
- 239000003990 capacitor Substances 0.000 claims description 20
- 238000007599 discharging Methods 0.000 claims description 17
- 238000004891 communication Methods 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 230000000881 depressing effect Effects 0.000 description 5
- 238000004146 energy storage Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910001172 neodymium magnet Inorganic materials 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The application relates to the technical field of brushless motor production, in particular to a multifunctional electrical performance testing system of a brushless motor, which comprises a base, wherein a placing seat, a crank connecting rod pressing mechanism, a probe head, a control main board and a display screen are arranged on the base; the application has the advantage of improving the convenience of testing the performance of the brushless motor.
Description
Technical Field
The application relates to the technical field of brushless motor production, in particular to a multifunctional electrical property testing system and testing process of a brushless motor.
Background
Brushless motors, i.e. brushless dc motors, are typically made up of a motor body and a drive, and are typically an electromechanical product. Because the brushless DC motor operates in a self-control mode, a starting winding is not additionally arranged on a rotor like a synchronous motor which is started under heavy load under variable frequency speed regulation, and oscillation and step-out can not be generated when the load is suddenly changed. The permanent magnet of the brushless DC motor with small and medium capacity is mostly made of rare earth NdFeB (Nd-Fe-B) materials with high magnetic energy level. Therefore, the volume of the rare earth permanent magnet brushless motor is reduced by one base number compared with that of a three-phase asynchronous motor with the same capacity.
In the related art, in the production process, various performances of the brushless motor need to be tested, so that parameters of a product of the brushless motor can meet requirements.
In the conventional testing method, the brushless motor is placed in a plurality of testing devices of different types for testing, and the brushless motor needs to be continuously transferred between the plurality of testing devices of different types in the testing process, so that the operation of continuously connecting and disconnecting wires with the plurality of testing devices is required, which is inconvenient.
Disclosure of Invention
In order to improve the convenience of testing the performance of the brushless motor, the application provides a multifunctional electric performance testing system and a testing process of the brushless motor.
In one aspect, the multifunctional electric performance testing system for the brushless motor provided by the application adopts the following technical scheme:
the utility model provides a multi-functional electrical property test system of brushless motor, includes the base, be provided with on the base and place seat, crank connecting rod pushing down mechanism, probe head, control mainboard and display screen, the upper surface of placing the seat is provided with the slot, the slot supplies to be surveyed the board to insert, slot one side is provided with the probe pin, crank connecting rod pushing down mechanism's expansion end is vertical to set up downwards, the probe head install in crank connecting rod pushing down mechanism's expansion end department, the probe head with probe pin and brushless motor's signal connection terminal contact, the display screen install in on the control mainboard, the display screen with the probe head all with the control mainboard electricity is connected, be provided with the control system who is used for the control test in the control mainboard.
Through adopting above-mentioned technical scheme, to be connected by the board that will be surveyed and brushless motor, the board that will be surveyed is put into the slot in, and the partial pin and the probe foot intercommunication of board that will be surveyed control crank connecting rod pushing down the crank of mechanism rotate, and then drive the probe head push down and with the other partial pin intercommunication of board that will be surveyed, start control system and display screen, control system and the board that will be surveyed establish communication, test the board that will be surveyed simultaneously, the test content shows through the display screen. In the process, a plurality of parameter indexes of the brushless motor can be tested at the testing system, so that the necessity of repeated transfer of the brushless motor is reduced, and the convenience of testing the performance of the brushless motor is improved.
Preferably, the upper surface of base is fixed with the mount pad, the constant head tank has been seted up to the upper surface of mount pad, the constant head tank supplies brushless motor to insert.
Through adopting above-mentioned technical scheme, the constant head tank supplies brushless motor to insert to fix a position brushless motor, so that operating personnel carries out test operation to brushless motor, improves the convenience of operation.
Preferably, the movable end of the crank connecting rod pressing mechanism is vertically fixed with a mounting plate, the probe head is mounted at the mounting plate, a guide rod is fixed on the upper surface of the base, and the mounting plate is movably sleeved on the guide rod.
By adopting the technical scheme, the guide rod plays a guiding role because the mounting plate is movably sleeved on the guide rod, so that the stability of the movement of the probe head is improved.
Preferably, the control system comprises a main control chip circuit, a power-on circuit, a display IC circuit and a sampling circuit, wherein the input end of the main control chip circuit is connected with the output end of the sampling circuit, the output end of the main control chip circuit is connected with the input end of the display IC circuit, and the communication end of the main control chip circuit is connected with the communication end of the tested circuit.
Through adopting above-mentioned technical scheme, the circuit that powers on goes up main control chip circuit and shows the IC circuit, adopts circuit collection to be surveyed each circuit parameter model of board to carry main control chip circuit department with the signal, main control chip circuit carries out inside judgement, and with test result data transmission to show the IC circuit, shows through the control of display screen of display IC circuit.
Preferably, the power-on circuit comprises a first voltage stabilizing circuit, a second voltage stabilizing circuit, a third voltage stabilizing circuit and a circuit switching switch, wherein the input ends of the first voltage stabilizing circuit, the second voltage stabilizing circuit and the third voltage stabilizing circuit are connected with the output end of the circuit switching switch, and the input end of the circuit switching switch is connected with the working voltage.
Through adopting above-mentioned technical scheme, because main control chip circuit, show IC circuit and the operating voltage demand of being surveyed board circuit are different, through the control circuit change over switch to change first voltage stabilizing circuit, second voltage stabilizing circuit and third voltage stabilizing circuit's access sequence, thereby make first voltage stabilizing circuit, second voltage stabilizing circuit and third voltage stabilizing circuit can correspond the operating voltage demand of adaptation main control chip circuit, demonstration IC circuit and being surveyed board circuit, improve the stability of test.
Preferably, the sampling circuit comprises a first voltage sampling circuit, a second voltage sampling circuit and an external NTC circuit, wherein the input ends of the first voltage sampling circuit, the second voltage sampling circuit and the external NTC circuit are respectively and electrically connected with a plurality of sampling ends of the main control chip circuit.
By adopting the technical scheme, the first sampling circuit, the second voltage sampling circuit and the external NTC circuit collect different parameter information and correspondingly convey and summarize the parameter information to the main control chip circuit so that the main control chip circuit analyzes the parameter information.
Preferably, the control system further comprises a tested board power supply control circuit, the tested board power supply control circuit comprises a tested board power supply switch circuit and a tested board starting switch circuit, the control end of the tested board power supply switch circuit is connected with the output end of the main control chip circuit, the output end of the tested board power supply switch is connected with the control end of the tested board circuit, the control end of the tested board starting switch circuit is connected with the output end of the main control chip circuit, and the output end of the tested board starting switch is connected with the power end of the tested board circuit.
By adopting the technical scheme, the main control chip circuit controls the test board power supply switch circuit to be turned on so as to electrify the circuit of the tested board, and the main control chip circuit is matched with the first sampling circuit to acquire the chip current information of the test board circuit so as to detect whether the tested board chip has leakage current or not, and when the tested board chip does not have leakage current, the main control chip controls the test board starting switch circuit to be turned on so as to electrify the electronic device of the tested board and realize complete electrifying of the tested board.
Preferably, the control system further comprises an indication circuit, wherein the indication circuit comprises a buzzer circuit and an indication lamp circuit, and the input end of the buzzer circuit and the input end of the indication lamp circuit are connected with the output end of the main control chip circuit.
Through adopting above-mentioned technical scheme, when the test passes, the output of main control chip circuit sends the signal to buzzer circuit and pilot lamp circuit, and buzzer circuit and pilot lamp circuit open to the suggestion operating personnel test result.
Preferably, the control system further comprises a discharging circuit, the discharging circuit comprises a capacitor discharging switch circuit and a tested board load switch circuit, the input end of the capacitor discharging switch circuit is connected with the output end of the tested board capacitor, the output end of the capacitor discharging switch circuit is externally connected with a load, the input end of the tested board load switch circuit is connected with the control end of the main control chip circuit, and the output end of the tested board load switch circuit is connected with the control end of the control chip of the tested board circuit.
By adopting the technical scheme, the load switch circuit of the tested plate is started so that the tested plate is communicated with the load, and the main control chip circuit controls the capacitor discharging switch circuit to be started so that the energy storage capacitor on the tested plate can be discharged to the load through the load switch circuit of the tested plate.
On the other hand, the testing process of the brushless motor is realized by adopting the multifunctional electrical property testing system of any brushless motor, and comprises the following steps:
s1: placing the board to be tested into the slot, and communicating part of pins of the board to be tested with the probe pins;
s2: rotating the crank connecting rod pressing mechanism to drive the probe head to press down, wherein the probe head is communicated with other pins of the tested plate;
s3: starting the control main board, and testing the tested board by the control main board.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the system can test a plurality of parameter indexes of the brushless motor at the test system, so that the necessity of repeated transfer of the brushless motor is reduced, and the convenience of testing the performance of the brushless motor is improved;
2. the positioning groove is used for inserting the brushless motor so as to position the brushless motor, so that an operator can test the brushless motor conveniently, and the convenience of operation is improved;
3. because the mounting panel movable sleeve is located on the guide bar, the guide bar plays the guide effect to improve the stability of probe head motion.
Drawings
Fig. 1 is a schematic diagram of an overall structure of a multifunctional electrical performance testing system for a brushless motor according to an embodiment of the application.
Fig. 2 is a schematic circuit diagram of a main control chip circuit of a control system according to an embodiment of the present application.
Fig. 3 is a schematic circuit diagram of a display IC circuit of a control system in an embodiment of the application.
Fig. 4 is a schematic circuit diagram of the power-on circuit of the control system in an embodiment of the application.
Fig. 5 is a schematic circuit diagram of a sampling circuit of a control system in an embodiment of the present application.
Fig. 6 is a schematic circuit diagram of a test board power supply control circuit of the control system in an embodiment of the application.
Fig. 7 is a schematic circuit diagram of an indication circuit of the control system in an embodiment of the present application.
Fig. 8 is a schematic circuit diagram of a discharge circuit of a control system in an embodiment of the application.
Reference numerals illustrate: 1. a base; 2. a placement seat; 21. a slot; 22. a probe pin; 3. a crank connecting rod pressing mechanism; 31. a mounting plate; 4. a probe head; 5. a control main board; 6. a display screen; 7. a mounting base; 71. a positioning groove; 8. a main control chip circuit; 81. a first burning circuit; 82. a test pin circuit; 83. a 5V communication circuit; 9. a display IC circuit; 91. a second burning circuit; 92. a level shift circuit; 10. a power-on circuit; 101. a first voltage stabilizing circuit; 102. a second voltage stabilizing circuit; 103. a third voltage stabilizing circuit; 104. a circuit change-over switch; 11. a sampling circuit; 111. a first voltage sampling circuit; 112. a second voltage sampling circuit; 113. externally connecting an NTC circuit; 12. the power supply control circuit of the measured board; 121. the measured board supplies power to the switch circuit; 122. the board to be tested starts the switch circuit; 13. an indication circuit; 131. a buzzer circuit; 132. an indicator light circuit; 14. a discharge circuit; 141. a capacitor discharge switching circuit; 142. and the tested board loads the switching circuit.
Detailed Description
The present application is described in further detail below with reference to fig. 1-8.
The embodiment of the application discloses a multifunctional electrical performance testing system and testing process of a brushless motor.
On the one hand, referring to fig. 1, the multifunctional electric performance testing system for the brushless motor comprises a base 1, wherein the cross section of the base 1 is approximately in a T-shaped configuration, and a placing seat 2, a crank connecting rod depressing mechanism 3, a probe head 4, a control main board 5 and a display screen 6 are arranged on the base 1. The placing seat 2 is used for being installed by a tested plate, the crank connecting rod pressing mechanism 3 drives the probe head 4 to move, the probe head 4 is used for realizing communication connection between the control main board 5 and the tested plate, and the display screen 6 is used for displaying testing contents.
Specifically, the upper surface of placing seat 2 is provided with slot 21, and slot 21 is located crank connecting rod pushing mechanism 3 directly under, and slot 21's shape and the shape looks adaptation of being surveyed the board, and slot 21 supplies to be surveyed the board and inserts. Meanwhile, a probe pin 22 is arranged on one side of the slot 21, and when the board to be tested is placed in the slot 21, the probe pin 22 is in contact communication with part of pins of the board to be tested.
Further, the upper surface of base 1 is fixed with mount pad 7, and constant head tank 71 has been seted up to the upper surface of mount pad 7, and constant head tank 71 supplies brushless motor to insert, and the shape of constant head tank 71 and brushless motor's shape looks adaptation to fix a position brushless motor, so that operating personnel carries out test operation to brushless motor, improves the convenience of operation.
In addition, the crank-link depressing mechanism 3 is mounted on the side wall of the base 1, the movable end of the crank-link depressing mechanism 3 is arranged vertically downwards, the probe head 4 is mounted on the movable end of the crank-link depressing mechanism 3, and the probe head 4 is in contact communication with the probe pin 22 and the signal connection end of the brushless motor.
Further, the movable end of the crank-link depressing mechanism 3 is vertically fixed with a mounting plate 31, the mounting plate 31 is horizontally arranged, in this embodiment, the mounting plate 31 is made of a transparent acrylic plate, and the probe head 4 is mounted at the bottom of the mounting plate 31. Meanwhile, a guide rod is fixed on the upper surface of the base 1, the guide rod is vertically arranged, and the mounting plate 31 is movably sleeved on the guide rod.
Therefore, since the mounting plate 31 is movably sleeved on the guide rod, the guide rod plays a role in guiding, and the mounting plate 31 can only slide along the vertical direction under the drive of the crank connecting rod pressing mechanism 3, so that the stability of the movement of the probe head 4 is improved.
Meanwhile, the display screen 6 is arranged on the control main board 5, the control main board 5 is positioned on one side of the crank connecting rod pushing mechanism 3, the display screen 6 and the probe head 4 are electrically connected with the control main board 5, and a control system for controlling testing is arranged in the control main board 5.
Referring to fig. 2 and 3, specifically, the control system includes a main control chip circuit 8, a power-on circuit 10 (in conjunction with fig. 4), a display IC circuit 9, and a sampling circuit 11 (in conjunction with fig. 5), an input end of the main control chip circuit 8 is connected with an output end of the sampling circuit 11, an output end of the main control chip circuit 8 is connected with an input end of the display IC circuit 9, and a communication end of the main control chip circuit 8 is connected with a communication end of the tested circuit.
Correspondingly, the main control chip circuit 8 includes a chip U5, in this embodiment, the type adopted by the chip U5 is CMS32M5710L048, the main control chip circuit 8 further includes a first writing circuit 81, and the first writing circuit 81 is electrically connected with the 41 st pin and the 42 nd pin of the chip U5, so as to be used for writing a test program into the chip U5. In addition, a test needle circuit 82 and a 5V communication circuit 83 are reserved so as to realize 5V communication with the tested board.
In addition, the display IC circuit 9 includes a chip U3, and the type CMS32M5710L048 is used for the chip U3, and the display IC circuit 9 also includes a second writing circuit 91, where the second writing circuit 91 is electrically connected to the 41 st pin and the 42 nd pin of the chip U3, so as to be used for writing the display program into the chip U3. Meanwhile, the display IC circuit 9 further includes a level shift circuit 92, the level shift circuit 92 is used to shift between the operating voltages of 5V and 3.3V, and the chip U3 is connected to the chip U5 through the level shift circuit 92 for communication.
Referring to fig. 2 and fig. 4, meanwhile, the power-on circuit 10 includes a first voltage stabilizing circuit 101, a second voltage stabilizing circuit 102, a third voltage stabilizing circuit 103 and a circuit switch 104, wherein input ends of the first voltage stabilizing circuit 101, the second voltage stabilizing circuit 102 and the third voltage stabilizing circuit 103 are connected with an output end of the circuit switch 104, and an input end of the circuit switch 104 is connected with an operating voltage.
In the present embodiment, the circuit chips of the first voltage stabilizing circuit 101, the second voltage stabilizing circuit 102 and the third voltage stabilizing circuit 103 are respectively corresponding to a chip U1, a chip U2 and a chip U4, and the first voltage stabilizing circuit 101, the second voltage stabilizing circuit 102 and the third voltage stabilizing circuit 103 are connected in parallel. Meanwhile, the circuit switching switch 104 corresponds to a switch SW1, and the switch SW1 is a relay switch for controlling switching among the first voltage stabilizing circuit 101, the second voltage stabilizing circuit 102, and the third voltage stabilizing circuit 103.
Therefore, as the working voltage requirements of the main control chip circuit 8, the display IC circuit 9 and the tested board circuit are different, the switch 104 is switched by the control circuit, so that the access sequence of the first voltage stabilizing circuit 101, the second voltage stabilizing circuit 102 and the third voltage stabilizing circuit 103 is changed, and the first voltage stabilizing circuit 101, the second voltage stabilizing circuit 102 and the third voltage stabilizing circuit 103 can be correspondingly adapted to the working voltage requirements of the main control chip circuit 8, the display IC circuit 9 and the tested board circuit, and the testing stability is improved.
Referring to fig. 2 and 5, further, the sampling circuit 11 includes a first voltage sampling circuit 111, a first voltage sampling circuit 112, and an external NTC circuit 113, where, correspondingly, the first voltage sampling circuit 111 is used to collect 12V voltage signals, the first voltage sampling circuit 111 is provided with two groups, input ends of the two groups of first voltage sampling circuits 111 are respectively electrically connected with the 1 st pin and the 2 nd pin of the chip U5, the first voltage sampling circuit 112 is used to collect 5V voltage signals, the first voltage sampling circuit 112 is also provided with two groups, and input ends of the two groups of first voltage sampling circuits 112 are respectively electrically connected with the 3 rd pin and the 4 th pin of the chip U5. Meanwhile, two groups of external NTC circuits 113 are arranged, and the input ends of the two groups of external NTC circuits 113 are respectively and electrically connected with the 17 th pin and the 11 th pin of the chip U5.
Therefore, the first voltage sampling circuit 111, the first voltage sampling circuit 112 and the external NTC circuit 113 can collect different voltage parameter information of the measured board, and correspondingly transmit and collect the information to the main control chip circuit 8, so that the main control chip circuit 8 performs analysis.
Referring to fig. 2 and 6, further, the control system further includes a board power supply control circuit 12 to be tested, where the board power supply control circuit 12 includes a board power supply switch circuit 121 to be tested and a board start switch circuit 122 to be tested, where a control end of the board power supply switch circuit 121 is connected to an output end of the main control chip circuit 8, an output end of the board power supply switch circuit 121 is connected to a control end of the board circuit to be tested, a control end of the board start switch circuit 122 is connected to an output end of the main control chip circuit 8, and an output end of the board start switch is connected to a power end of the board circuit to be tested.
In this embodiment, the board to be tested power supply switch circuit 121 adopts a relay KZ1 circuit, the input end of the relay KZ1 circuit is electrically connected with the 24 th pin of the chip U5, during testing, the chip U5 sends a control signal to the relay KZ1 circuit, the 1 st pin of the relay KZ1 circuit is pulled down in level and then is connected with one of the pins of the board to be tested, so that the circuit of the board to be tested is powered on, but the electronic device of the board to be tested is temporarily non-conductive.
At this time, the first voltage sampling circuit 112 is matched to perform voltage sampling on the control chip of the board to be tested, when there is a sampling voltage, that is, the electronic switch inside the board to be tested is damaged, so that the electronic device of the board to be tested is conductive, and there is leakage current. When the first voltage sampling circuit 112 does not detect the 5V voltage, that is, when the chip of the board to be tested has no leakage current, the chip U5 controls the board to be tested to start the switch circuit 122, and correspondingly, the board to be tested starts the switch circuit 122 to be a relay KZ3 circuit, so that the electronic device of the board to be tested is electrified, and complete electrification of the board to be tested is achieved.
Referring to fig. 2 and 7, further, the control system further includes an indication circuit 13, where the indication circuit 13 includes a buzzer circuit 131 and an indication lamp circuit 132, and an input end of the buzzer circuit 131 and an input end of the indication lamp circuit 132 are connected to an output end of the main control chip circuit 8.
Correspondingly, in the present embodiment, the input end of the buzzer circuit 131 is electrically connected to the 36 th pin of the chip U5, and the buzzer circuit 131 is connected to the 5v working voltage. In addition, the indicator light circuit 132 includes two sets of LED light circuits for respectively performing the test pass and the test fail indication.
Referring to fig. 2 and 8, further, the control system further includes a discharging circuit 14, where the discharging circuit 14 includes a capacitor discharging switch circuit 141 and a board load switch circuit 142 to be tested, an input end of the capacitor discharging switch circuit 141 is connected to an output end of the board capacitor to be tested, an output end of the capacitor discharging switch circuit is externally connected to a load, an input end of the board load switch circuit 142 to be tested is connected to a control end of the main control chip circuit 8, and an output end of the board load switch circuit 142 to be tested is connected to a control end of the control chip of the board circuit to be tested.
In the present embodiment, the capacitor discharge switching circuit 141 employs a relay KZ4 circuit, and the relay KZ4 circuit employs a 5V/12V relay circuit. Meanwhile, the load switch circuit 142 of the board to be tested adopts a relay KZ2 circuit, and the input end of the relay KZ2 circuit is electrically connected with the 24 th pin of the chip U5.
Therefore, the load switch circuit 142 of the board to be tested is turned on to connect the board to be tested with the load, and the main control chip circuit 8 controls the capacitor discharging switch circuit 141 to be turned on again, so that the energy storage capacitor on the board to be tested can be discharged to the load through the load switch circuit 142 of the board to be tested, the energy storage capacitor of the board to be tested is reduced to store electric energy, and the energy storage capacitor is reduced to be in a high voltage state for a long time, so that damage occurs.
The implementation principle of the multifunctional electrical performance testing system of the brushless motor provided by the embodiment of the application is as follows: the device comprises a tested plate, a brushless motor, a slot 21, a control system, a display screen 6, a control system and a test board, wherein the tested plate is connected with the brushless motor, part of pins of the tested plate are communicated with probe pins 22, crank rotation of a crank connecting rod pressing mechanism 3 is controlled, a probe head 4 is driven to press down and be communicated with the rest of pins of the tested plate, the control system and the test board are started, communication between the control system and the test board is established, meanwhile, the test board is tested, and test contents are displayed through the display screen 6. In the process, a plurality of parameter indexes of the brushless motor can be tested at the testing system, so that the necessity of repeated transfer of the brushless motor is reduced, and the convenience of testing the performance of the brushless motor is improved.
On the other hand, the embodiment of the application also discloses a brushless motor testing process, which is realized by adopting the brushless motor multifunctional electrical property testing system, and comprises the following steps:
s1: placing the board to be tested into the slot 21, and communicating part of pins of the board to be tested with the probe pins 22;
s2: the crank connecting rod pushing mechanism 3 is rotated to drive the probe head 4 to push down, and the probe head 4 is communicated with the other pins of the tested plate;
s3: and starting the control main board 5, and testing the tested board by the control main board 5.
The implementation principle of the brushless motor testing process in the embodiment of the application is approximately the same as that of the brushless motor multifunctional electrical performance testing system, and will not be repeated here.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (10)
1. Brushless motor multi-functional electrical property test system, its characterized in that: including base (1), be provided with on base (1) and place seat (2), crank connecting rod pushing down mechanism (3), probe head (4), control mainboard (5) and display screen (6), the upper surface of placing seat (2) is provided with slot (21), slot (21) supply to be surveyed the board and insert, slot (21) one side is provided with probe pin (22), crank connecting rod pushing down mechanism (3)'s active end is vertical to set up downwards, probe head (4) install in crank connecting rod pushing down mechanism (3)'s active end department, probe head (4) with probe pin (22) and brushless motor's signal connection part contact, display screen (6) install in on control mainboard (5), display screen (6) with probe head (4) all with control mainboard (5) electricity is connected, be provided with the control system who is used for controlling the test in control mainboard (5).
2. The brushless motor multifunctional electrical property testing system according to claim 1, wherein: the brushless motor is characterized in that an installation seat (7) is fixed on the upper surface of the base (1), a positioning groove (71) is formed in the upper surface of the installation seat (7), and the positioning groove (71) is used for inserting the brushless motor.
3. The brushless motor multifunctional electrical property testing system according to claim 2, wherein: the movable end of the crank connecting rod pushing mechanism (3) is vertically fixed with a mounting plate (31), the probe head (4) is mounted at the mounting plate (31), a guide rod is fixed on the upper surface of the base (1), and the mounting plate (31) is movably sleeved on the guide rod.
4. The brushless motor multifunctional electrical property testing system according to claim 1, wherein: the control system comprises a main control chip circuit (8), a power-on circuit (10), a display IC circuit (9) and a sampling circuit (11), wherein the input end of the main control chip circuit (8) is connected with the output end of the sampling circuit (11), the output end of the main control chip circuit (8) is connected with the input end of the display IC circuit (9), and the communication end of the main control chip circuit (8) is connected with the communication end of the tested circuit.
5. The brushless motor multifunctional electrical property testing system according to claim 4, wherein: the power-on circuit (10) comprises a first voltage stabilizing circuit (101), a second voltage stabilizing circuit (102), a third voltage stabilizing circuit (103) and a circuit switching switch (104), wherein the input ends of the first voltage stabilizing circuit (101), the second voltage stabilizing circuit (102) and the third voltage stabilizing circuit (103) are connected with the output end of the circuit switching switch (104), and the input end of the circuit switching switch (104) is connected with working voltage.
6. The brushless motor multifunctional electrical property testing system according to claim 4, wherein: the sampling circuit (11) comprises a first voltage sampling circuit (111), a second voltage sampling circuit (112) and an external NTC circuit (113), wherein the input ends of the first voltage sampling circuit (111), the second voltage sampling circuit (112) and the external NTC circuit (113) are respectively electrically connected with a plurality of sampling ends of the main control chip circuit (8).
7. The brushless motor multifunctional electrical property testing system according to claim 6, wherein: the control system further comprises a tested board power supply control circuit (12), the tested board power supply control circuit (12) comprises a tested board power supply switch circuit (121) and a tested board starting switch circuit (122), the control end of the tested board power supply switch circuit (121) is connected with the output end of the main control chip circuit (8), the output end of the tested board power supply switch is connected with the control end of the tested board circuit, the control end of the tested board starting switch circuit (122) is connected with the output end of the main control chip circuit (8), and the output end of the tested board starting switch is connected with the power end of the tested board circuit.
8. The brushless motor multifunctional electrical property testing system according to claim 4, wherein: the control system further comprises an indication circuit (13), the indication circuit (13) comprises a buzzer circuit (131) and an indication lamp circuit (132), and the input end of the buzzer circuit (131) and the input end of the indication lamp circuit (132) are connected with the output end of the main control chip circuit (8).
9. The brushless motor multifunctional electrical property testing system according to claim 4, wherein: the control system further comprises a discharging circuit (14), the discharging circuit (14) comprises a capacitor discharging switch circuit (141) and a tested board load switch circuit (142), the input end of the capacitor discharging switch circuit (141) is connected with the output end of the tested board capacitor, the output end of the capacitor discharging switch circuit is externally connected with a load, the input end of the tested board load switch circuit (142) is connected with the control end of the main control chip circuit (8), and the output end of the tested board load switch circuit (142) is connected with the control end of the control chip of the tested board circuit.
10. A brushless motor testing process implemented by using the multifunctional electrical property testing system of a brushless motor according to any one of claims 1 to 9, comprising the following steps:
s1: placing the board to be tested into the slot (21), and communicating part of pins of the board to be tested with the probe pins (22);
s2: the crank connecting rod pressing mechanism (3) is rotated to drive the probe head (4) to press down, and the probe head (4) is communicated with other pins of the tested plate;
s3: and starting the control main board (5), and testing the tested board by the control main board (5).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2023104898944 | 2023-04-28 | ||
| CN202310489894 | 2023-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117214692A true CN117214692A (en) | 2023-12-12 |
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