CN216558809U - Power module control needle position detection device - Google Patents
Power module control needle position detection device Download PDFInfo
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- CN216558809U CN216558809U CN202121649219.6U CN202121649219U CN216558809U CN 216558809 U CN216558809 U CN 216558809U CN 202121649219 U CN202121649219 U CN 202121649219U CN 216558809 U CN216558809 U CN 216558809U
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Abstract
The utility model discloses a power module control needle position detection device, which comprises: the supporting part is used for supporting other components of the detection device; the movement control unit is movably fixed on the supporting part and is used for driving the detection part frame to move up and down; the detection part frame is horizontally fixed at the bottom of the mobile control unit; the replaceable detecting part is formed into a rectangular plate which is fixed on the detecting part frame and is provided with a plurality of detecting holes and at least two positioning holes. The utility model can select to replace the corresponding detection part according to the position of the control needle of the detected product and the position of the positioning column of the detected product; each type of power module product can correspondingly produce a corresponding detection part. When detecting different model power module products, only need to change detection portion just can realize controlling needle position batch, accurate and short-term test to different model power module products, greatly improved the work efficiency that power module product control needle position detected.
Description
Technical Field
The present invention relates to the field of electronics, and more particularly to an apparatus for controlling needle position detection including, but not limited to, a power module.
Background
The power module is an advanced hybrid integrated power component with an IGBT (insulated gate bipolar transistor) as an inner core, and consists of a high-speed low-power-consumption tube core (IGBT), an optimized gate drive circuit and a quick protection circuit.
The current power module product often uses the control needle, and the control needle position is accurate whether most products do not have the finished product detection process, or rely on the manual work to detect the product control needle position. The position of the control needle of the artificial product is mainly detected by using a three-coordinate measuring instrument. Because the product models are different, the number of control pins required to be detected by each product is large, the speed of detecting the position of the control pin of the power module product by manually using the three-coordinate measuring machine is low, and the production efficiency is low. And the three-coordinate measuring instrument measures, so that the equipment cost is high, and the cost of the power module product is indirectly increased.
SUMMERY OF THE UTILITY MODEL
In the summary section, a series of simplified form concepts are introduced, which are simplifications of the prior art in this field, and which will be further detailed in the detailed description section. The inventive content of the present invention is not intended to define key features or essential features of the claimed solution, nor is it intended to be used to limit the scope of the claimed solution.
The utility model aims to provide a power module control pin position detection device which can realize batch, accurate and quick detection of control pin positions of different types of power module products.
In order to solve the above technical problem, the power module control pin position detecting device provided by the present invention comprises:
a support portion for supporting other components of the detection device;
a movement control unit movably fixed on the support part and used for driving the detection part frame to move up and down;
a detection part frame horizontally fixed at the bottom of the mobile control unit;
and a replaceable detecting part formed as a rectangular plate fixed on the detecting part frame and having a plurality of detecting holes and at least two positioning holes formed thereon.
Optionally, the power module control pin position detecting device further includes:
and at least one pressing block placed on the sensing part frame for changing a force when the sensing part frame moves down.
The pressing block can be selected to adopt a weight, and the force generated when the detection part frame moves downwards is changed through gravity.
Optionally, the power module control pin position detecting device further includes:
and a distance sensor disposed below the detection part for measuring a downward movement distance of the detection part.
During detection, if the distance sensor measures that the detection part moves downwards to reach a specified distance, the position of the control needle is judged to be qualified; and if the distance sensor measures that the detection part moves downwards less than the specified distance after the detection part stops moving, the situation that the detection part cannot move downwards to the specified distance due to the inaccurate position of the control needle is indicated, and the control needle is judged to be unqualified.
Optionally, the power module controls the needle position detection device, the position of each detection hole is determined according to the position of the control needle of the detected product, and the diameter of each detection hole is greater than or equal to the diameter of the control needle of the detected product.
Optionally, in the power module control pin position detection apparatus, the two positioning holes are respectively disposed at opposite corners of the detection portion, and the positions of the positioning holes correspond to the positions of the positioning posts on the detected product.
Alternatively, in the power module control pin position detecting apparatus, the detecting portion frame is fixed to the bottom of the mobile control unit by screws or bolts
Optionally, in the power module control pin position detecting device, the replaceable detecting portion is fixed to the detecting portion frame by a screw or a bolt.
Optionally, the power module controls the needle position detecting device, and the movement control unit is a servo motor.
The working principle of the utility model is illustrated as follows:
selecting and replacing a corresponding detection part according to the position of the control needle of the detected product and the position of the positioning column of the detected product;
mounting the replaceable detection part on the detection part frame and fixedly connecting the replaceable detection part with the movement control unit;
placing the control needle of the detected product upwards below the detection part, and enabling the positioning hole of the detection part to be positioned right above the positioning column of the detected product;
in the process of driving the mobile control unit to descend, weights can be selectively placed on the detection part frame to increase the downward moving force;
the distance sensor measures the downward movement distance of the measuring and detecting part, and the distance sensor judges that the position of the control needle is qualified if the measuring and detecting part moves downward to reach the specified distance; and if the distance sensor measures that the detection part moves downwards less than the specified distance after the detection part stops moving, the situation that the detection part cannot move downwards to the specified distance due to the inaccurate position of the control needle is indicated, and the control needle is judged to be unqualified.
The utility model can select to replace the corresponding detection part according to the position of the control needle of the detected product and the position of the positioning column of the detected product; each type of power module product can correspondingly produce a corresponding detection part. When detecting different model power module products, only need to change detection portion just can realize controlling needle position batch, accurate and short-term test to different model power module products, greatly improved the work efficiency that power module product control needle position detected.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model, are incorporated in and constitute a part of this specification. The drawings are not necessarily to scale, however, and may not be intended to accurately reflect the precise structural or performance characteristics of any given embodiment, and should not be construed as limiting or restricting the scope of values or properties encompassed by exemplary embodiments in accordance with the utility model. The utility model will be described in further detail with reference to the following detailed description and accompanying drawings:
fig. 1 is a schematic diagram of the overall structure of the present invention.
FIG. 2 is a schematic view of a replaceable detecting portion according to the present invention.
Fig. 3 is a schematic diagram of the overall structure of the present invention.
Description of the reference numerals
Support part 1
Replaceable detecting part 4
Inspection hole 4.1
Location holes 4.2
And (5) pressing the blocks.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and technical effects of the present invention will be fully apparent to those skilled in the art from the disclosure in the specification. The utility model is capable of other embodiments and of being practiced or of being carried out in various details, and its several details are capable of modifications in various obvious respects, all without departing from the spirit and scope of the utility model. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. The following exemplary embodiments of the present invention may be embodied in many different forms and should not be construed as limited to the specific embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the technical solutions of these exemplary embodiments to those skilled in the art.
It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may be present. In contrast, when an element is referred to as being "directly connected" or "directly coupled" to another element, there are no intervening elements present. Like reference numerals refer to like elements throughout the drawings.
A first embodiment;
as shown in fig. 1 and fig. 2, the present invention provides a power module control pin position detection apparatus, including:
a support part 1 for supporting other components of the detection device; the form of the supporting part 1 can be flexibly selected, and a supporting column and a supporting frame can be selected; as shown in fig. 1, a support frame having one end capable of being fixed to the operation table by a bolt is selected as a support portion;
a movement control unit 2 movably fixed on the support part for driving the detection part frame 3 to move up and down; correspondingly, the form of the movement control unit 2 can be flexibly selected, for example, the movement control unit is connected with the support part 1 through a guide rail, and a motor is driven to move up and down on the guide rail; of course, the telescopic rod can be driven by a motor;
a detection part frame 3 horizontally fixed at the bottom of the movement control unit 2;
the replaceable detecting part 4 is formed as a rectangular plate which is fixed on the detecting part frame 3 and is formed with a plurality of detecting holes 4.1 and at least two positioning holes 4.2.
A second embodiment;
as shown in fig. 2 and 3, the present invention provides a power module control pin position detection apparatus, including:
a support part 1 for supporting other components of the detection device;
a movement control unit 2 movably fixed on the support part for driving the detection part frame 3 to move up and down; the mobile control unit selects a servo motor to drive the telescopic rod;
a detection part frame 3 horizontally fixed at the bottom of the movement control unit 2;
a replaceable detecting part 4 formed as a rectangular plate fixed on the detecting part frame 3, on which a plurality of detecting holes 4.1 and at least two positioning holes 4.2 are formed;
the position of each detection hole 4.1 is determined according to the position of a control needle of a detected product, and the diameter of each detection hole 4.1 is more than or equal to that of the control needle of the detected product; the two positioning holes 4.2 are respectively arranged at the opposite corners of the detection part 4, and the positions of the positioning holes 4.2 correspond to the positions of positioning columns on a detected product;
at least one pressing block 5 placed on the sensing part frame 3 for changing a force when the sensing part frame 3 moves down;
a distance sensor (not shown) disposed below the detection part for measuring a downward movement distance of the detection part;
during detection, if the distance sensor measures that the detection part moves downwards to reach a specified distance, the position of the control needle is judged to be qualified; and if the distance sensor measures that the detection part moves downwards less than the specified distance after the detection part stops moving, judging that the position of the control needle is unqualified.
Alternatively, the sensing part frame is fixed to the bottom of the movement control unit by screws or bolts. The replaceable detection part is fixed on the detection part frame through screws or bolts.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The present invention has been described in detail with reference to the specific embodiments and examples, but these are not intended to limit the present invention. Many variations and modifications may be made by one of ordinary skill in the art without departing from the principles of the present invention, which should also be considered as within the scope of the present invention.
Claims (9)
1. A power module control pin position detection device, comprising:
a support portion for supporting other components of the detection device;
a movement control unit movably fixed on the support part and used for driving the detection part frame to move up and down;
a detection part frame horizontally fixed at the bottom of the mobile control unit;
and a replaceable detecting part formed as a rectangular plate fixed on the detecting part frame and having a plurality of detecting holes and at least two positioning holes formed thereon.
2. The power module control pin position detection device of claim 1, further comprising:
and at least one pressing block placed on the sensing part frame for changing a force when the sensing part frame moves down.
3. The power module control pin position detection device of claim 1, further comprising:
and a distance sensor disposed below the detection part for measuring a downward movement distance of the detection part.
4. The power module control pin position detection device of claim 3, wherein:
during detection, if the distance sensor measures that the detection part moves downwards to reach a specified distance, the position of the control needle is judged to be qualified; and if the distance sensor measures that the detection part moves downwards less than the specified distance after the detection part stops moving, judging that the position of the control needle is unqualified.
5. The power module control pin position detection device of claim 1, wherein: the position of each detection hole is determined according to the position of the control needle of the detected product, and the diameter of each detection hole is larger than or equal to the diameter of the control needle of the detected product.
6. The power module control pin position detection device of claim 1, wherein:
and the two positioning holes are respectively arranged at the opposite angles of the detection part, and the positions of the positioning holes correspond to the positions of the positioning columns on the detected product.
7. The power module control pin position detection device of claim 1, wherein: the detection part frame is fixed at the bottom of the mobile control unit through screws or bolts.
8. The power module control pin position detection device of claim 1, wherein: the replaceable detection part is fixed on the detection part frame through screws or bolts.
9. The power module control pin position detection device of claim 1, wherein: the movement control unit is a servo motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121649219.6U CN216558809U (en) | 2021-07-20 | 2021-07-20 | Power module control needle position detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121649219.6U CN216558809U (en) | 2021-07-20 | 2021-07-20 | Power module control needle position detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216558809U true CN216558809U (en) | 2022-05-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121649219.6U Active CN216558809U (en) | 2021-07-20 | 2021-07-20 | Power module control needle position detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216558809U (en) |
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2021
- 2021-07-20 CN CN202121649219.6U patent/CN216558809U/en active Active
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