CN220399575U - Thermal resistance test fixture of double-sided water-cooling controller - Google Patents
Thermal resistance test fixture of double-sided water-cooling controller Download PDFInfo
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- CN220399575U CN220399575U CN202320081832.5U CN202320081832U CN220399575U CN 220399575 U CN220399575 U CN 220399575U CN 202320081832 U CN202320081832 U CN 202320081832U CN 220399575 U CN220399575 U CN 220399575U
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- 238000012360 testing method Methods 0.000 title claims abstract description 57
- 238000001816 cooling Methods 0.000 title claims abstract description 46
- 239000000523 sample Substances 0.000 claims abstract description 87
- 239000000758 substrate Substances 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 22
- 241000270722 Crocodylidae Species 0.000 description 2
- LNNWVNGFPYWNQE-GMIGKAJZSA-N desomorphine Chemical compound C1C2=CC=C(O)C3=C2[C@]24CCN(C)[C@H]1[C@@H]2CCC[C@@H]4O3 LNNWVNGFPYWNQE-GMIGKAJZSA-N 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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Abstract
The utility model discloses a thermal resistance testing tool of a double-sided water-cooling controller, which comprises the following components: a tooling table for placing the double-sided water-cooling controller is provided with a lifting cylinder capable of moving up and down; the adapter plate is fixed on the lifting cylinder, a plurality of elastic probes which are vertically and downwards arranged are inserted on the adapter plate, a test PCB (printed circuit board) is fixed on the adapter plate, one end of each elastic probe, which is inserted into the adapter plate, is connected with the test PCB, and one end of each elastic probe, which extends out of the adapter plate, can downwards move to contact with a PIN needle on the double-sided water-cooling controller; and the PIN needle limiting plate is elastically connected with the adapter plate, the adapter plate and the PIN needle limiting plate are arranged at intervals up and down, the PIN needle limiting plate is provided with a plurality of PIN needle jacks, and when the lifting cylinder moves downwards, the PIN needle is inserted into the PIN needle jacks and is attached to the inner wall of the PIN needle jacks. The thermal resistance testing tool provided by the utility model not only improves the connection efficiency, but also ensures that the PIN needle cannot be skewed in the testing process.
Description
Technical Field
The utility model relates to the field of thermal resistance testing tools, in particular to a thermal resistance testing tool of a double-sided water-cooling controller.
Background
The double-sided water-cooling controller is a product formed by integrating a generator controller and a driving motor controller, and is commonly used for a hybrid electric vehicle.
In order to improve the factory quality of the double-sided water-cooled controller, thermal resistance is usually tested under the conditions of constant flow and constant temperature by 72 PIN needles of 6 sets of IGBT (insulated gate bipolar transistor) modules in the double-sided water-cooled controller. In the testing process in the prior art, a PIN needle on a double-sided water-cooling controller is clamped by a small crocodile to be connected with a PIN on a test PCB, and then the thermal resistance is detected. The connection process of the PIN needle on the double-sided water-cooling controller and the PIN on the test PCB is long, so that the test efficiency is low. And in the testing process, the PIN needle on the double-sided water-cooling controller is easy to skew, so that the problem of difficult subsequent assembly of the double-sided water-cooling controller is caused.
Therefore, how to avoid the PIN of the double-sided water-cooling controller from being skewed in the testing process and improve the connection efficiency between the test PCB and the PIN of the double-sided water-cooling controller in the testing process at the same time becomes a technical problem to be solved urgently.
Disclosure of Invention
The utility model provides a thermal resistance testing tool for a double-sided water-cooling controller, which aims to solve the technical problem that PIN needles of the double-sided water-cooling controller in the prior art are easy to skew in a testing process.
The technical scheme adopted by the utility model is as follows:
the utility model provides a thermal resistance testing tool of a double-sided water-cooling controller, which comprises the following components:
a tooling table for placing the double-sided water-cooling controller is arranged, wherein a lifting cylinder capable of moving up and down is arranged on the tooling table;
the adapter plate is fixed on the lifting cylinder, a plurality of elastic probes which are vertically and downwards arranged are inserted into the adapter plate, a test PCB (printed circuit board) is fixed on the adapter plate, one end of each elastic probe, which is inserted into the adapter plate, is connected with the test PCB, and one end of each elastic probe, which extends out of the adapter plate, can downwards move to be contacted with a PIN needle on the double-sided water-cooling controller; and
the PIN limiting plate is elastically connected with the adapter plate, the adapter plate is arranged at an upper interval and a lower interval with the PIN limiting plate, the PIN limiting plate is provided with a plurality of PIN jacks, and when the lifting cylinder moves downwards, the PIN is inserted into the PIN jacks and the PIN is attached to the inner wall of the PIN jacks.
Further, the method further comprises the following steps: the probe limiting plate is provided with a plurality of probe jacks, the probe limiting plate is elastically connected with the adapter plate, the probe limiting plate and the PIN needle limiting plate are arranged at intervals up and down, and when the lifting cylinder moves downwards, one end of the elastic probe, which extends out of the adapter plate, is inserted into the probe jacks and the elastic probe is attached to the inner wall of each probe jack.
Preferably, the tooling table is provided with a substrate for placing the double-sided water-cooling controller, the substrate is provided with a positioning PIN for limiting the position of the double-sided water-cooling controller, and the positioning PIN enables the PIN needle to be aligned with the PIN needle jack.
Preferably, a telescopic bearing is arranged on the adapter plate, and the telescopic bearing is simultaneously connected with the PIN needle limiting plate and the probe limiting plate.
Preferably, the length of the PIN is less than or equal to the depth of the PIN jack.
Preferably, the length of the elastic probe extending out of the adapter plate is greater than the depth of the probe jack.
Compared with the prior art, the thermal resistance testing tool provided by the utility model not only improves the connection efficiency between the double-sided water-cooling controller and the test PCB, but also ensures that the PIN needle on the double-sided water-cooling controller cannot be skewed in the testing process.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a thermal resistance test tool in a three-dimensional structure according to an embodiment of the utility model;
FIG. 2 is an exploded view of a thermal resistance test fixture in an embodiment of the present utility model;
1. a tooling table; 2. PIN needle limiting plate; 21. PIN needle insertion holes; 3. a probe limit plate; 31. a probe jack; 4. an adapter plate; 5. a lifting cylinder; 6. a double-sided water-cooled controller; 7. a telescopic bearing; 8. a substrate.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The double-sided water-cooling controller is a product formed by integrating a generator controller and a driving motor controller, and is commonly used for a hybrid electric vehicle.
In order to improve the factory quality of the double-sided water-cooled controller, thermal resistance is usually tested under the conditions of constant flow and constant temperature by 72 PIN needles of 6 sets of IGBT (insulated gate bipolar transistor) modules in the double-sided water-cooled controller. In the testing process in the prior art, a PIN needle on the double-sided water-cooling controller is clamped by a small crocodile to be connected with a PIN on a test PCB, and then the thermal resistance is detected. The connection process of the PIN needle on the double-sided water-cooling controller and the PIN on the test PCB is long, so that the test efficiency is low. And in the testing process, the PIN needle on the double-sided water-cooling controller is easy to skew, so that the problem of difficult subsequent assembly of the double-sided water-cooling controller is caused.
Therefore, in order to solve the technical problem that PIN needles of a double-sided water-cooling controller are easy to skew in the testing process in the prior art, the utility model provides a thermal resistance testing tool of the double-sided water-cooling controller, which comprises the following components:
the tool table is used for horizontally placing the double-sided water-cooling controller to be tested, and a lifting cylinder capable of moving up and down is arranged on the tool table;
the adapter plate is fixed on the lifting cylinder and is horizontally arranged, a plurality of elastic probes which are vertically and downwards arranged are inserted into the adapter plate, a test PCB (printed circuit board) is fixed on the adapter plate, one end of each elastic probe is inserted into the adapter plate and connected with the test PCB, the other end of each elastic probe downwards extends out of the adapter plate, and one end of each elastic probe extending out of the adapter plate can downwards move to contact with a PIN needle on the double-sided water-cooling controller;
the PIN needle limiting plate is horizontally arranged, the pinboard and the PIN needle limiting plate are arranged at intervals up and down, the PIN needle limiting plate is elastically connected with the pinboard, a plurality of PIN needle jacks are arranged on the PIN needle limiting plate, the PIN needle jacks and the PIN needles on the double-sided water-cooling controller are respectively in one-to-one correspondence up and down, one ends of elastic probes extending out of the pinboard are respectively in one-to-one correspondence up and down with the PIN needle jacks, and the PIN needles are inserted into the PIN needle jacks and are attached to the inner walls of the PIN needle jacks when the lifting cylinder moves downwards.
Therefore, in the testing process, when the lifting cylinder moves downwards, all PIN needles on the double-sided water-cooling controller are simultaneously inserted into the PIN needle insertion holes on the PIN needle limiting plate, and then the elastic probes on the adapter plate continuously move downwards to be in contact with all the simultaneous PIN needles, so that the double-sided water-cooling controller is connected with the test PCB in an efficient manner. In the process of the contact of the elastic probe and the PIN needle, the PIN needle is inserted into the PIN needle jack and is attached to the inner wall of the PIN needle jack, so that the PIN needle cannot be skewed when the elastic probe is in extrusion contact with the PIN needle, and the perpendicularity of the elastic probe is ensured. Therefore, the thermal resistance testing tool provided by the utility model not only improves the connection efficiency between the double-sided water-cooling controller and the test PCB, but also ensures that the PIN needle on the double-sided water-cooling controller cannot be skewed in the testing process.
Furthermore, in order to ensure that the elastic probe cannot skew in the test process, the thermal resistance test tool provided by the utility model further comprises: the probe limiting plate is horizontally arranged, the adapter plate, the PIN needle limiting plate and the probe limiting plate are arranged at intervals up and down, the probe limiting plate is elastically connected with the adapter plate, a plurality of probe jacks are arranged on the probe limiting plate, when the lifting cylinder moves downwards, one end of the elastic probe, which extends out of the adapter plate, is inserted into the probe jacks, and the elastic probe is attached to the inner wall of each probe jack. Therefore, in the testing process, the elastic probe is inserted into the probe jack and is attached to the inner wall of the probe jack, then is contacted with the PIN needle, and the elastic probe cannot be inclined, so that the perpendicularity of the elastic probe is ensured.
The principles and structures of the present utility model are described in detail below with reference to the drawings and the examples.
As shown in fig. 1 and 2, in this embodiment, a base plate 8 on which the double-sided water-cooling controller 6 is placed is provided on the tooling table 1, a positioning pin for limiting the placement position of the double-sided water-cooling controller is provided on the base plate 8, and a lifting cylinder 5 capable of moving up and down is further provided on the tooling table 1. The lifting cylinder 5 is fixedly connected with an adapter plate 4, the adapter plate is horizontally arranged, a test PCB is fixedly arranged on the adapter plate, a plurality of elastic probes are inserted on the adapter plate, the elastic probes are vertically downwards arranged, one end of each elastic probe inserted into the adapter plate is connected with the test PCB, and the other end of each elastic probe downwards extends out of the adapter plate. The pinboard 4 is provided with a telescopic bearing 7 which can stretch up and down, the telescopic bearing 7 is used for connecting the PIN needle limiting plate 2 and the probe limiting plate 3, the PIN needle limiting plate and the probe limiting plate are horizontally arranged, and the pinboard, the probe limiting plate and the PIN needle limiting plate are arranged at intervals up and down. The PIN needle limiting plate 2 is located directly over the base plate 8, a plurality of through PIN needle jacks 21 are formed in the PIN needle limiting plate 2, PIN needles on the double-sided water-cooling controller correspond to the PIN needle jacks one by one respectively when the double-sided water-cooling controller is placed on the base plate, the PIN needles are attached to the inner walls of the PIN needle jacks when the PIN needles are inserted into the PIN needle jacks, and the length of the PIN needles is smaller than or equal to the depth of the PIN needle jacks. The probe limiting plate 3 is located under the adapter plate 4, a plurality of through probe jacks 31 are formed in the probe limiting plate 3, elastic probes on the adapter plate and the probe jacks are respectively in one-to-one correspondence, when the elastic probes are spliced with the probe jacks, the elastic probes are attached to the inner walls of the probe jacks, the length of the elastic probes extending out of the adapter plate is greater than the depth of the elastic probes, and the elastic probes and the PIN needle jacks are respectively in one-to-one correspondence.
Therefore, when testing, firstly the double-sided water-cooled controller to be tested is placed on the substrate, then the lifting cylinder is controlled to descend, in the descending process of the lifting cylinder, firstly the PIN on the double-sided water-cooled controller is inserted into the PIN needle jack on the PIN needle limiting plate, then the telescopic bearing is contracted upwards along with the continuous descending of the lifting cylinder, so that the elastic probe is inserted into the probe jack on the probe limiting plate, the elastic probe inserted into the probe jack is downwards inserted into the PIN needle jack along with the downwards movement of the lifting cylinder, and the elastic probe is contacted with the PIN needle in the PIN needle jack, so that the connection between the double-sided water-cooled controller and the test PCB is realized.
Therefore, in the connecting process of the double-sided water-cooling controller and the test PCB, the elastic probe is attached to the inner wall of the probe jack, the PIN needle is attached to the inner wall of the PIN needle jack, and when the elastic probe is in extrusion contact with the PIN needle, the PIN needle and the elastic probe are not inclined, so that the perpendicularity of the PIN needle and the elastic probe is ensured.
It is noted that the above-mentioned terms are used merely to describe specific embodiments, and are not intended to limit exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. Thermal resistance test fixture of two-sided water-cooling controller, its characterized in that includes:
a tooling table for placing the double-sided water-cooling controller is arranged, wherein a lifting cylinder capable of moving up and down is arranged on the tooling table;
the adapter plate is fixed on the lifting cylinder, a plurality of elastic probes which are vertically and downwards arranged are inserted into the adapter plate, a test PCB (printed circuit board) is fixed on the adapter plate, one end of each elastic probe, which is inserted into the adapter plate, is connected with the test PCB, and one end of each elastic probe, which extends out of the adapter plate, can downwards move to be contacted with a PIN needle on the double-sided water-cooling controller; and
the PIN limiting plate is elastically connected with the adapter plate, the adapter plate is arranged at an upper interval and a lower interval with the PIN limiting plate, the PIN limiting plate is provided with a plurality of PIN jacks, and when the lifting cylinder moves downwards, the PIN is inserted into the PIN jacks and the PIN is attached to the inner wall of the PIN jacks.
2. The thermal resistance testing tool of claim 1, further comprising: the probe limiting plate is provided with a plurality of probe jacks, the probe limiting plate is elastically connected with the adapter plate, the probe limiting plate and the PIN needle limiting plate are arranged at intervals up and down, and when the lifting cylinder moves downwards, one end of the elastic probe, which extends out of the adapter plate, is inserted into the probe jacks and the elastic probe is attached to the inner wall of each probe jack.
3. The thermal resistance testing tool according to claim 1, wherein a substrate for placing the double-sided water-cooling controller is arranged on the tool table, and a positioning PIN for limiting the position of the double-sided water-cooling controller is arranged on the substrate, and the positioning PIN enables the PIN needle to be aligned with the PIN needle insertion hole.
4. The thermal resistance testing tool according to claim 2, wherein a telescopic bearing is arranged on the adapter plate, and the telescopic bearing is simultaneously connected with the PIN needle limiting plate and the probe limiting plate.
5. The thermal resistance testing tool of claim 1, wherein the PIN is less than or equal to the depth of the PIN receptacle.
6. The thermal resistance testing tool of claim 2, wherein the length of the elastic probe extending out of the adapter plate is greater than the depth of the probe insertion hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320081832.5U CN220399575U (en) | 2023-01-13 | 2023-01-13 | Thermal resistance test fixture of double-sided water-cooling controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320081832.5U CN220399575U (en) | 2023-01-13 | 2023-01-13 | Thermal resistance test fixture of double-sided water-cooling controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220399575U true CN220399575U (en) | 2024-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320081832.5U Active CN220399575U (en) | 2023-01-13 | 2023-01-13 | Thermal resistance test fixture of double-sided water-cooling controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220399575U (en) |
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2023
- 2023-01-13 CN CN202320081832.5U patent/CN220399575U/en active Active
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