CN206248779U - A kind of internal rotor DC brushless motor circuit board drafting board tool - Google Patents
A kind of internal rotor DC brushless motor circuit board drafting board tool Download PDFInfo
- Publication number
- CN206248779U CN206248779U CN201621262031.5U CN201621262031U CN206248779U CN 206248779 U CN206248779 U CN 206248779U CN 201621262031 U CN201621262031 U CN 201621262031U CN 206248779 U CN206248779 U CN 206248779U
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- China
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- oscillograph
- power supply
- test point
- motor circuit
- internal rotor
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Abstract
The utility model discloses a kind of internal rotor DC brushless motor circuit board drafting board tool, includes testing jig, power supply, ammeter, revolution counter and oscillograph；PCBA support bases are provided with the testing jig, the power supply, ammeter, tacho and oscillograph are connected with the conducting of PCBA support bases, U phases test point, V phases test point and W phase test points are provided with PCBA support bases, the oscillograph is connected with a probe for being contacted with U phases test point, V phases test point and W phase test points.By being further provided with oscillograph, each phase phase voltage of PCBA is detected using oscillograph, the motor operation bad phenomenon caused to connect to each component of motor circuit plate and motor master control IC chip pin portions tin is effectively recognized, is that product test brings convenience.
Description
Technical field
The utility model is related to electromechanical testing tool art, refers in particular to a kind of internal rotor DC brushless motor circuit
Plate drafting board tool.
Background technology
Used in current industry and rotated in the case of rated voltage by realistic simulation motor, observation motor current with
Whether speed is qualified to determine PCBA supplied materials, however, the circuit board testing jig of structure this on the market has following excellent scarce at present
Point：
Advantage：Major part PCBA present in circuit board can be identified according to the exception of motor operating current and speed
Short circuit, PCBA open circuit no power problems.
Shortcoming：Because each component of motor circuit plate and motor master control IC chip pin portions connect motor operation that tin causes not
Good phenomenon, the tool None- identified.
Therefore, it is necessary to be improved to current tool.
The content of the invention
In view of this, in view of the existing deficiencies of the prior art, its main purpose is to provide a kind of internal rotor to the utility model
DC brushless motor circuit board drafting board tool, it can effectively solve existing tool None- identified because of each component of motor circuit plate
And motor master control IC chip pin portions connect the problem of the motor operation bad phenomenon that tin causes.
To achieve the above object, the utility model is using following technical scheme：
A kind of internal rotor DC brushless motor circuit board drafting board tool, includes testing jig, power supply, ammeter, revolution counter
And oscillograph；PCBA support bases are provided with the testing jig, the power supply, ammeter, tacho and oscillograph with PCBA branch
Support seat conducting connection, is provided with U phases test point, V phases test point and W phase test points on PCBA support bases, the oscillograph is connected with
One probe for being contacted with U phases test point, V phases test point and W phase test points.
Preferably, the ammeter is built on power supply.
Preferably, the power supply is also built-in with voltmeter.
Preferably, the power supply is dc source.
Preferably, the revolution counter is fixed on testing jig, and the power supply and oscillograph are respectively positioned on the both sides of testing jig.
The utility model has clear advantage and beneficial effect compared with prior art, specifically, by above-mentioned technology
Scheme understands：
By being further provided with oscillograph, each phase phase voltage of PCBA is detected using oscillograph, with to motor circuit plate
Each component and motor master control IC chip pin portions connect the motor operation bad phenomenon that tin causes and are effectively recognized, are product
Test brings convenience.
More clearly to illustrate architectural feature of the present utility model and effect, come right with specific embodiment below in conjunction with the accompanying drawings
The utility model is described in detail.
Brief description of the drawings
Fig. 1 is the structured flowchart of the preferred embodiment of the utility model；
Fig. 2 is the circuit structure schematic diagram of the preferred embodiment of the utility model；
Fig. 3 be the utility model preferred embodiment in test passes oscillogram；
Fig. 4 be the utility model preferred embodiment in test failure oscillogram.
Accompanying drawing identifier declaration：
10th, testing jig 11, PCBA support bases
111st, U phases test point 112, V phase test points
113rd, W phases test point 20, power supply
30th, ammeter 40, revolution counter
50th, oscillograph 51, probe.
Specific embodiment
Refer to shown in Fig. 1 and Fig. 2, that show the concrete structure of the preferred embodiment of the utility model, include
Testing jig 10, power supply 20, ammeter 30, revolution counter 40 and oscillograph 50.
PCBA support bases 11 are provided with the testing jig 10, the power supply 20, ammeter 30, tacho 40 and oscillograph 50 are equal
It is connected with the conducting of PCBA support bases 11, U phases test point 111, V phases test point 112 is provided with PCBA support bases 11 and is tested with W phases
Point 113, the oscillograph 50 is connected with a spy for being contacted with U phases test point 111, V phases test point 112 and W phases test point 113
Pin 51.
In the present embodiment, the ammeter 30 is built on power supply 20, ammeter 30 be serially connected with power supply 20 positive pole and
Between the VCC positive poles of PCBA support bases 11, between the PWM speed governing connection end of PCBA support bases 11 and the negative pole of power supply 20 and
A switch is respectively connected between the negative pole of CW/CCW rotatings connection end and power supply 20.The power supply 20 is also built-in with voltmeter,
The power supply 20 is dc source.
And, the revolution counter 40 is fixed on testing jig 10, and revolution counter 40 connects the both positive and negative polarity of power supply 20, and revolution counter
40 are connected with the FG signal output parts of PCBA support bases 11, and the power supply 20 and oscillograph 50 are respectively positioned on the both sides of testing jig 10, should
The GND negative poles and the negative pole of power supply 20 of one end connection PCB A support base 11 of oscillograph 50, the other end connection of oscillograph 50 are visited
Pin 51.
When using, PCBA is placed in circuit is connected on PCBA support bases 11, after power supply 20 is opened, ammeter 30 shows currently
Current value, and the current rotating speed of the display motor of revolution counter 40, then, probe 51 are successively surveyed with U phases test point 111, V phases respectively
Pilot 112 and W phases test point 113 are contacted, so that the waveform of corresponding phase voltage can be shown on the screen of oscillograph 50, as long as with
Standard U/V/W phase voltage waveforms are inconsistent, are bad PCBA, and as shown in Figure 3 and Figure 4, Fig. 3 is qualified phase voltage ripple
Shape, Fig. 4 is the waveform of underproof phase voltage.
Design focal point of the present utility model is：By being further provided with oscillograph, using each of oscillograph detection PCBA
Phase phase voltage, it is bad to connect to each component of motor circuit plate and motor master control IC chip pin portions the motor operation that tin causes
Phenomenon is effectively recognized, is that product test brings convenience.
Know-why of the present utility model is described above in association with specific embodiment.These descriptions are intended merely to explain this reality
With new principle, and can not by any way be construed to the limitation to the utility model protection domain.Based on explanation herein,
Those skilled in the art associates other specific embodiments of the present utility model by would not require any inventive effort,
These modes are fallen within protection domain of the present utility model.
Claims (5)
1. a kind of internal rotor DC brushless motor circuit board drafting board tool, it is characterised in that：Include testing jig, power supply, electric current
Table, revolution counter and oscillograph；PCBA support bases are provided with the testing jig, the power supply, ammeter, tacho and oscillograph are equal
It is connected with the conducting of PCBA support bases, U phases test point, V phases test point and W phase test points, the oscillography is provided with PCBA support bases
Device is connected with a probe for being contacted with U phases test point, V phases test point and W phase test points.
2. a kind of internal rotor DC brushless motor circuit board drafting board tool as claimed in claim 1, it is characterised in that：The electricity
Flow table is built on power supply.
3. a kind of internal rotor DC brushless motor circuit board drafting board tool as claimed in claim 1, it is characterised in that：The electricity
Source is also built-in with voltmeter.
4. a kind of internal rotor DC brushless motor circuit board drafting board tool as claimed in claim 1, it is characterised in that：The electricity
Source is dc source.
5. a kind of internal rotor DC brushless motor circuit board drafting board tool as claimed in claim 1, it is characterised in that：Described turn
Fast table is fixed on testing jig, and the power supply and oscillograph are respectively positioned on the both sides of testing jig.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621262031.5U CN206248779U (en) | 2016-11-24 | 2016-11-24 | A kind of internal rotor DC brushless motor circuit board drafting board tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621262031.5U CN206248779U (en) | 2016-11-24 | 2016-11-24 | A kind of internal rotor DC brushless motor circuit board drafting board tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206248779U true CN206248779U (en) | 2017-06-13 |
Family
ID=59001899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621262031.5U Active CN206248779U (en) | 2016-11-24 | 2016-11-24 | A kind of internal rotor DC brushless motor circuit board drafting board tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206248779U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113687214A (en) * | 2021-08-03 | 2021-11-23 | 浙江台运汽车科技有限公司 | LabVIEW-based assembled printed circuit board detection device and method thereof |
-
2016
- 2016-11-24 CN CN201621262031.5U patent/CN206248779U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113687214A (en) * | 2021-08-03 | 2021-11-23 | 浙江台运汽车科技有限公司 | LabVIEW-based assembled printed circuit board detection device and method thereof |
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