CN215297588U - Comprehensive test platform for brushless direct current motor circuit board - Google Patents
Comprehensive test platform for brushless direct current motor circuit board Download PDFInfo
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- CN215297588U CN215297588U CN202121244768.5U CN202121244768U CN215297588U CN 215297588 U CN215297588 U CN 215297588U CN 202121244768 U CN202121244768 U CN 202121244768U CN 215297588 U CN215297588 U CN 215297588U
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Abstract
The utility model provides a brushless DC motor circuit board integrated test platform, include: a main chassis; the positioning placing table comprises a protective shell, a model motor and a positioning groove; the positioning groove is matched with the circuit board to be tested and used for placing the circuit board to be tested; the model motor comprises a stator assembly and a rotor assembly which are matched with the circuit board to be tested, a plurality of electric contacts are arranged at the bottom of the positioning groove, and the electric contacts are arranged right opposite to the first power supply contact on the lower surface of the circuit board to be tested and used for supplying power to the model motor; the needle plate can move up and down, a plurality of probes are arranged on the needle plate, and the probes are arranged right opposite to a second power supply contact on the upper surface of the circuit board to be tested and used for supplying power to the circuit board to be tested; the signal acquisition interface is used for butting with a signal transmission joint of the circuit board to be tested; the driving device is used for driving the needle plate to move up and down; the comprehensive test platform for the circuit board of the brushless direct current motor can be used for testing without assembling the circuit board into the brushless direct current motor, and is high in detection efficiency.
Description
Technical Field
The utility model relates to a test technical field especially relates to a brushless DC motor circuit board integrated test platform.
Background
A brushless dc motor generally includes a stator assembly, a rotor assembly, and a circuit board, wherein the circuit board of the brushless dc motor needs to be comprehensively tested before the brushless dc motor leaves a factory. The circuit board is generally assembled in the brushless direct current motor and then tested, if the test result shows that the circuit board is unqualified, the brushless direct current motor needs to be disassembled again after the test to take out the unqualified circuit board, and therefore the detection efficiency is low.
SUMMERY OF THE UTILITY MODEL
In view of the defects of the prior art, the embodiment of the application aims to provide a comprehensive test platform for a circuit board of a brushless direct current motor, which can be used for testing without assembling the circuit board into the brushless direct current motor and has high detection efficiency.
The embodiment of the application provides a brushless DC motor circuit board integrated test platform, includes:
a main chassis in which a test circuit is disposed;
the positioning placing table comprises a protective shell, a model motor arranged in the protective shell and a positioning groove arranged at the top of the protective shell; the positioning groove is matched with the circuit board to be tested and used for placing the circuit board to be tested; the model motor comprises a stator assembly and a rotor assembly which are matched with a circuit board to be tested, a plurality of electric contacts are arranged at the bottom of the positioning groove, the electric contacts are arranged right opposite to a first power supply contact on the lower surface of the circuit board to be tested, and the electric contacts are used for supplying power to the model motor;
the probe plate is arranged above the positioning placing table in a vertically movable mode, a plurality of probes are arranged on the probe plate, the probes are arranged right opposite to second power supply contacts on the upper surface of the circuit board to be tested, and the probes are electrically connected with the test circuit and used for supplying power to the circuit board to be tested;
the signal acquisition interface is arranged at the top of the host box and is used for being butted with a signal transmission joint of a circuit board to be tested; the signal acquisition interface is electrically connected with the test circuit;
and the driving device is used for driving the needle plate to move up and down.
According to the comprehensive test platform for the circuit board of the brushless direct current motor, the model motor is arranged in the positioning placing table and comprises the stator assembly and the rotor assembly which are matched with the circuit board to be tested, when the circuit board is tested, the circuit board is placed in the positioning groove, the signal transmission connector of the circuit board is inserted into the signal acquisition interface, then the needle plate is pressed downwards to enable the probe to be in contact with the second power supply contact on the upper surface of the circuit board to be tested, meanwhile, the first power supply contact on the lower surface of the circuit board to be tested is pressed on the electric contact at the bottom of the positioning groove, the circuit board to be tested and the model motor form the complete brushless direct current motor, and then the test can be carried out; therefore, the circuit board can be tested without being assembled in the brushless direct current motor, and can be directly taken out after being tested, and the detection efficiency is high.
Preferably, the rotating shaft of the model motor extends out of the top of the protective shell.
Preferably, a positioning ring is arranged at the top of the protective shell, and the positioning ring and the top of the protective shell enclose the positioning groove; the positioning ring is provided with a notch, and the notch is used for a signal transmission line of a circuit board to be tested to penetrate through.
Preferably, the model motor is removable from the protective case.
Preferably, at least one positioning pin is arranged at the bottom of the positioning groove, and the positioning pin is matched with a screw mounting hole of the circuit board to be tested.
Preferably, the driving device comprises a fixed frame, a sliding frame and a driving mechanism, the fixed frame is fixedly arranged at the top of the main case, the sliding frame is arranged in the fixed frame in a vertically movable manner, and the driving mechanism is used for driving the sliding frame to move; the needle plate is fixedly connected with the sliding frame.
Preferably, the driving mechanism comprises a connecting column, a connecting rod piece, an L-shaped handle and a connecting lug; the lower end of the connecting column is fixedly connected with the sliding frame; one end of the connecting rod piece is hinged with the upper end of the connecting column, and the other end of the connecting rod piece is hinged with a corner of the L-shaped handle; the connecting lug is fixedly arranged on the fixing frame, and one end of the L-shaped handle is hinged with the connecting lug.
Preferably, the driving device further comprises two guide posts symmetrically arranged on the left side and the right side of the needle plate, and the sliding frame is connected with the guide posts in a sliding manner.
Preferably, the fixing frame comprises a rear plate arranged at the rear side of the main case, two side plates respectively arranged at the left side and the right side of the rear plate, and four mounting plates fixedly connected with the rear plate and the side plates; the four mounting panels are divided into two groups, each group comprises two mounting panels which are arranged at an upper interval and a lower interval, and one guide column is connected between the two mounting panels of each group.
Preferably, a waist hole extending in the up-down direction is formed in the rear plate, a flexible protective sleeve penetrates through the waist hole, and a connecting line between the probe and the test circuit penetrates through the flexible protective sleeve.
Has the advantages that:
according to the comprehensive test platform for the circuit board of the brushless direct current motor, the model motor is arranged in the positioning placing table and comprises the stator assembly and the rotor assembly which are matched with the circuit board to be tested, when the circuit board is tested, the circuit board is placed in the positioning groove, the signal transmission connector of the circuit board is inserted into the signal acquisition interface, then the needle plate is pressed downwards to enable the probe to be in contact with the second power supply contact on the upper surface of the circuit board to be tested, meanwhile, the first power supply contact on the lower surface of the circuit board to be tested is pressed on the electric contact at the bottom of the positioning groove, the circuit board to be tested and the model motor form the complete brushless direct current motor, and then the test can be carried out; therefore, the circuit board can be tested without being assembled in the brushless direct current motor, and can be directly taken out after being tested, and the detection efficiency is high.
Drawings
Fig. 1 is a schematic structural diagram of a comprehensive test platform for a circuit board of a brushless dc motor according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a positioning placement table in a comprehensive testing platform for a circuit board of a brushless dc motor provided by an embodiment of the present invention.
Fig. 3 is an enlarged view of a portion S in fig. 1.
Description of reference numerals: 1. a main chassis; 101. a start button; 102. an indicator light; 2. positioning a placing table; 201. a protective shell; 202. a model motor; 203. positioning a groove; 204. a stator assembly; 205. a rotor assembly; 206. an electrical contact; 207. a rotating shaft; 208. a positioning ring; 209. positioning pins; 3. a needle plate; 301. a probe; 4. a signal acquisition interface; 5. a drive device; 501. a fixed mount; 502. a carriage; 503. a drive mechanism; 504. connecting columns; 505. a link member; 506. an L-shaped handle; 507. connecting a lug plate; 508. a guide post; 509. a back plate; 510. a side plate; 511. mounting a plate; 512. a waist hole; 6. a flexible protective sheath; 7. and connecting the wires.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The following disclosure provides embodiments or examples for implementing different configurations of the present invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
Referring to fig. 1-3, an exemplary embodiment of a comprehensive testing platform for a circuit board of a brushless dc motor includes:
a main cabinet 1 in which a test circuit is provided;
the positioning placing table 2 comprises a protective shell 201, a model motor 202 arranged in the protective shell 201, and a positioning groove 203 arranged at the top of the protective shell 201; the positioning groove 203 is matched with the circuit board to be tested and used for placing the circuit board to be tested; the model motor 202 comprises a stator assembly 204 and a rotor assembly 205 which are matched with a circuit board to be tested, a plurality of electric contacts 206 are arranged at the bottom of the positioning groove 203, the electric contacts 206 are arranged right opposite to a first power supply contact on the lower surface of the circuit board to be tested, and the electric contacts 206 are used for supplying power to the model motor 202;
the needle plate 3 is arranged above the positioning placing table 2 in a vertically movable mode, a plurality of probes 301 are arranged on the needle plate 3, the probes 301 are arranged right opposite to second power supply contacts on the upper surface of the circuit board to be tested, and the probes 301 are electrically connected with the test circuit and used for supplying power to the circuit board to be tested;
the signal acquisition interface 4 is arranged at the top of the mainframe box 1 and is used for being butted with a signal transmission joint of a circuit board to be tested; the signal acquisition interface 4 is electrically connected with the test circuit;
and the driving device 5 is used for driving the needle plate 3 to move up and down.
In practical application, the stator assembly 204 of the brushless dc motor includes a coil winding, the rotor assembly 205 includes a permanent magnet and a rotating shaft 207, the upper surface of the circuit board of the brushless dc motor is provided with a second power supply contact, the second power supply contact is used for being connected with an external power supply, the lower surface of the circuit board to be tested is provided with a first power supply contact, the first power supply contact is used for being connected with the coil winding of the stator assembly 204 and supplying power to the coil winding, the circuit board of the brushless dc motor is further provided with a signal transmission line, and the end of the signal transmission line is connected with a signal transmission joint (used for being connected with a servo driver). If the brushless dc motor is a three-phase motor, the number of the second power supply contacts and the number of the first power supply contacts are three, and correspondingly, the number of the probes 301 and the number of the electrical contacts 206 are also three (fig. 1 and 2 show a case where the number of the probes 301 and the number of the electrical contacts 206 are three).
According to the comprehensive test platform for the circuit board of the brushless direct current motor, as the model motor 202 is arranged in the positioning placing table 2, the model motor 202 comprises the stator assembly 204 and the rotor assembly 205 which are matched with the circuit board to be tested, when the circuit board is tested, the circuit board is only required to be placed in the positioning groove 203, the signal transmission connector of the circuit board is inserted into the signal acquisition interface 4, then the needle plate 3 is pressed downwards to enable the probe 301 to be contacted with the second power supply contact on the upper surface of the circuit board to be tested, meanwhile, the first power supply contact on the lower surface of the circuit board to be tested is pressed on the electric contact 206 at the bottom of the positioning groove 203, the circuit board to be tested and the model motor 202 form a complete brushless direct current motor, and then the test can be carried out; therefore, the circuit board can be tested without being assembled in the brushless direct current motor, and can be directly taken out after being tested, and the detection efficiency is high.
In some embodiments, a test result output interface (not shown) is disposed on the main chassis 1, and is configured to be connected to an upper computer to output a test result. The main chassis 1 is further provided with a start button 101 and an indicator light 102, wherein the start button 101 is used for starting a test process, after a circuit board to be tested is placed by a user, the test process can be started by pressing the start button 101, wherein the indicator light 102 is used for indicating the completion condition of the test process, for example, during the test process, the test process emits red light, when the test is completed, the test process emits green light, and the user can know whether the test is completed according to the light emitting color of the indicator light 102.
Preferably, referring to fig. 1 and 2, the rotating shaft 207 of the model motor 202 extends out of the top of the protective shell 201. In the test process, a user can observe whether the rotation of the model motor 202 is normal or not through the rotating shaft 207, so that the user can analyze the test result.
In this embodiment, referring to fig. 1 and 2, a positioning ring 208 is disposed on the top of the protective shell 201, and the positioning ring 208 and the top of the protective shell 201 enclose the positioning groove 203; the positioning ring 208 is provided with a notch (as shown in fig. 1) for the signal transmission line of the circuit board to be tested to pass through. Because the signal transmission line of the circuit board to be tested can pass through the notch, the pin plate 3 can be prevented from directly pressing on the signal transmission line to damage the signal transmission line.
In fact, the positioning groove 203 may also be a groove opening directly on the top of the protective case 201.
In some embodiments, the model motor 202 may be removed from the protective case 201. Thus, when the model motor 202 fails, replacement can be performed. For example, in fig. 1 and 2, the bottom of the protective casing 201 is an open structure, and the protective casing 201 is connected to the top of the main chassis 1 by screws, when the model motor 202 enters the protective casing 201 from the lower side of the protective casing 201; when the model motor 202 needs to be replaced, the screws between the protective shell 201 and the main case 1 are loosened, the positioning placing table 2 can be integrally taken out, then the model motor 202 is taken out from the lower side of the protective shell 201, and the protective shell 201 is fixed at the top of the main case 1 again after a new model motor 202 is replaced.
Further, referring to fig. 2, at least one positioning pin 209 is disposed at the bottom of the positioning groove 203, and the positioning pin 209 is adapted to a screw mounting hole of a circuit board to be tested. Generally, a brushless dc motor circuit board is provided with screw mounting holes for screws to pass through to fix the circuit board in the brushless dc motor; here, by providing the positioning pin 209 to pass through the screw mounting hole of the circuit board to be tested, the circuit board to be tested can be prevented from shifting to cause a test result error.
In some embodiments, see fig. 1, the driving device 5 includes a fixing frame 501, a carriage 502, and a driving mechanism 503, the fixing frame 501 is fixedly disposed on the top of the main cabinet 1, the carriage 502 is disposed in the fixing frame 501 in a vertically movable manner, and the driving mechanism 503 is configured to drive the carriage 502 to move; the needle plate 3 is fixedly connected with the carriage 502 (e.g., glued, screwed, etc.).
Further, referring to fig. 1 and 3, the driving mechanism 503 includes a connecting column 504, a link member 505, an L-shaped handle 506 and a connecting tab 507; the lower end of the connecting column 504 is fixedly connected with the sliding frame 502; one end of the connecting rod 505 is hinged with the upper end of the connecting column 504, and the other end is hinged with the corner of the L-shaped handle 506; the connection lug 507 is fixedly arranged on the fixing frame 501, and one end of the L-shaped handle 506 is hinged with the connection lug 507. This actuating mechanism 503 is manually driven, and after the user placed the circuit board that awaits measuring, down pushed L shape handle 506, can drive balladeur train 502 and move down, and after the test was accomplished, upwards mentioned L shape handle 506, can drive balladeur train 502 and shift up convenient to use.
In some preferred embodiments, see fig. 1, the driving device 5 further includes two guiding columns 508 symmetrically disposed on the left and right sides of the needle board 3, and the carriage 502 is slidably connected to the guiding columns 508 to guide the carriage 502, so as to ensure that the carriage 502 can only translate up and down, thereby ensuring that each needle board 3 can be aligned with the corresponding second power supply contact when the carriage 502 moves down.
Further, referring to fig. 1, the fixing frame 501 includes a rear plate 509 disposed at the rear side of the main cabinet 1, two side plates 510 disposed at the left and right sides of the rear plate 509, respectively, and four mounting plates 511 fixedly connected to the rear plate 509 and the side plates 510; the four mounting plates 511 are divided into two groups, each group comprises two mounting plates 511 which are arranged at intervals up and down, and one guide column 508 is connected between the two mounting plates 511 of each group. The fixing frame 501 has a simple structure and good structural stability.
In some preferred embodiments, referring to fig. 1, a waist hole 512 extending in the up-down direction is formed on the back plate 509, a flexible protective sleeve 6 is inserted into the waist hole 512, and a connection line 7 between the probe 301 and the test circuit passes through the flexible protective sleeve 6. When the needle plate 3 moves up and down, the connecting wire 7 can swing up and down, the waist holes 512 provide a space for the connecting wire 7 to move up and down, the connecting wire 7 can be prevented from being damaged due to metal fatigue, and in addition, the connecting wire 7 can be prevented from being directly scraped with the waist holes 512 to be damaged through the flexible protective sleeve 6.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-mentioned preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and the embodiments are substantially the same as the present invention.
Claims (10)
1. The utility model provides a brushless DC motor circuit board integrated test platform which characterized in that includes:
the test device comprises a main case (1) which is internally provided with a test circuit;
the positioning placing table (2) comprises a protective shell (201), a model motor (202) arranged in the protective shell (201), and a positioning groove (203) arranged at the top of the protective shell (201); the positioning groove (203) is matched with the circuit board to be tested and used for placing the circuit board to be tested; the model motor (202) comprises a stator assembly (204) and a rotor assembly (205) which are matched with a circuit board to be tested, a plurality of electric contacts (206) are arranged at the bottom of the positioning groove (203), the electric contacts (206) are arranged right opposite to a first power supply contact on the lower surface of the circuit board to be tested, and the electric contacts (206) are used for supplying power to the model motor (202);
the probe plate (3) is arranged above the positioning placing table (2) in a vertically movable mode, a plurality of probes (301) are arranged on the probe plate (3), the probes (301) are arranged right opposite to second power supply contacts on the upper surface of the circuit board to be tested, and the probes (301) are electrically connected with the test circuit and used for supplying power to the circuit board to be tested;
the signal acquisition interface (4) is arranged at the top of the mainframe box (1) and is used for being butted with a signal transmission joint of a circuit board to be tested; the signal acquisition interface (4) is electrically connected with the test circuit;
and the driving device (5) is used for driving the needle plate (3) to move up and down.
2. The comprehensive test platform for the circuit board of the brushless direct current motor as claimed in claim 1, wherein a rotating shaft (207) of the model motor (202) extends out of the top of the protective shell (201).
3. The comprehensive test platform for the circuit board of the brushless direct current motor according to claim 1, wherein a positioning ring (208) is arranged at the top of the protective shell (201), and the positioning ring (208) and the top of the protective shell (201) enclose the positioning groove (203); the positioning ring (208) is provided with a notch, and the notch is used for a signal transmission line of a circuit board to be tested to pass through.
4. The integrated test platform for circuit boards of brushless direct current motors according to claim 1, characterized in that the model motor (202) is removable from the protective shell (201).
5. The comprehensive test platform for the circuit board of the brushless direct current motor according to claim 1, wherein at least one positioning pin (209) is arranged at the bottom of the positioning groove (203), and the positioning pin (209) is matched with a screw mounting hole of the circuit board to be tested.
6. The comprehensive test platform for the circuit board of the brushless direct current motor according to claim 1, wherein the driving device (5) comprises a fixed frame (501), a carriage (502) and a driving mechanism (503), the fixed frame (501) is fixedly arranged at the top of the main cabinet (1), the carriage (502) is movably arranged in the fixed frame (501) up and down, and the driving mechanism (503) is used for driving the carriage (502) to move; the needle plate (3) is fixedly connected with the carriage (502).
7. The comprehensive test platform for the circuit board of the brushless direct current motor according to claim 6, wherein the driving mechanism (503) comprises a connecting column (504), a connecting rod piece (505), an L-shaped handle (506) and a connecting lug (507); the lower end of the connecting column (504) is fixedly connected with the sliding frame (502); one end of the connecting rod piece (505) is hinged with the upper end of the connecting column (504), and the other end of the connecting rod piece is hinged with a corner of the L-shaped handle (506); the connecting lug plate (507) is fixedly arranged on the fixed frame (501), and one end of the L-shaped handle (506) is hinged with the connecting lug plate (507).
8. The comprehensive test platform for the circuit board of the brushless direct current motor according to claim 6, wherein the driving device (5) further comprises two guide posts (508) symmetrically arranged at the left and right sides of the needle plate (3), and the carriage (502) is slidably connected with the guide posts (508).
9. The comprehensive test platform for the circuit board of the brushless direct current motor according to claim 8, wherein the fixing frame (501) comprises a rear plate (509) arranged at the rear side of the main cabinet (1), two side plates (510) respectively arranged at the left and right sides of the rear plate (509), and four mounting plates (511) fixedly connected with the rear plate (509) and the side plates (510); the four mounting plates (511) are divided into two groups, each group comprises two mounting plates (511) which are arranged at intervals up and down, and one guide column (508) is connected between the two mounting plates (511) of each group.
10. The comprehensive test platform for the circuit board of the brushless direct current motor according to claim 9, wherein a waist hole (512) extending in the vertical direction is formed in the rear plate (509), a flexible protective sleeve (6) penetrates through the waist hole (512), and a connecting wire (7) between the probe (301) and the test circuit penetrates through the flexible protective sleeve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121244768.5U CN215297588U (en) | 2021-06-04 | 2021-06-04 | Comprehensive test platform for brushless direct current motor circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121244768.5U CN215297588U (en) | 2021-06-04 | 2021-06-04 | Comprehensive test platform for brushless direct current motor circuit board |
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| Publication Number | Publication Date |
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| CN215297588U true CN215297588U (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121244768.5U Active CN215297588U (en) | 2021-06-04 | 2021-06-04 | Comprehensive test platform for brushless direct current motor circuit board |
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| CN (1) | CN215297588U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116298863A (en) * | 2023-02-01 | 2023-06-23 | 深圳市致诚达科技有限公司 | Quick inspection system and control method for BLDC motor production line |
-
2021
- 2021-06-04 CN CN202121244768.5U patent/CN215297588U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116298863A (en) * | 2023-02-01 | 2023-06-23 | 深圳市致诚达科技有限公司 | Quick inspection system and control method for BLDC motor production line |
| CN116298863B (en) * | 2023-02-01 | 2024-05-10 | 深圳市致诚达科技有限公司 | Quick inspection system and control method for BLDC motor production line |
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