CN212845513U - Needle-shaped terminal half-bridge type power module and static test switching device thereof - Google Patents
Needle-shaped terminal half-bridge type power module and static test switching device thereof Download PDFInfo
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- CN212845513U CN212845513U CN202021854596.9U CN202021854596U CN212845513U CN 212845513 U CN212845513 U CN 212845513U CN 202021854596 U CN202021854596 U CN 202021854596U CN 212845513 U CN212845513 U CN 212845513U
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Abstract
The utility model discloses a half bridge type power module of needle-like terminal and static test switching device thereof, include: the PCB comprises two copper layers, a module connecting hole on the PCB, and a direct current positive electrode power interface, a direct current positive electrode measuring interface, an output electrode power interface, an output electrode measuring interface, a direct current negative electrode power interface, a direct current negative electrode measuring interface, an upper pipe driving interface and a lower pipe driving interface which are connected to the PCB; the module connecting hole is used for connecting the tested module; the direct current positive electrode power interface, the direct current positive electrode measuring interface, the direct current negative electrode power interface, the direct current negative electrode measuring interface, the output electrode power interface and the output electrode measuring interface are connected to the module connecting hole through a copper layer of the PCB; the upper tube driving interface and the lower tube driving interface are connected to the module connecting holes corresponding to the module driving terminals through copper layers of the PCB. The adapter plate can realize flexible connection between the needle-shaped terminal half-bridge power module and the static tester.
Description
Technical Field
The utility model belongs to the technical field of the power module test, more specifically relates to a half bridge type power module of acicular terminal and static test switching device thereof.
Background
Due to the flexibility of the terminal position and good compatibility with PCB boards, power modules using pin terminals (pin pins) have been developed greatly, such as EasyB series of the english flying, flow series of the Vincotech, and the like.
Static testing is an important component of power module testing, and static testers generally use large current leads to connect with the module. For a power module with pin-shaped terminals, the terminals are pin-shaped, and the connecting leads can only be connected in the form of clips. And a single electrode generally comprises a plurality of terminals, and the terminals are closely arranged, so that the number of the required clamps is large, and the clamps are easy to touch and short-circuit, so that the module and the static tester are inconvenient to connect, and a static test adapter plate is required for switching.
SUMMERY OF THE UTILITY MODEL
To prior art's defect, the utility model provides a static test switching device for needle terminal half-bridge type power module aims at solving and is difficult to directly link to each other with the lead wire between needle terminal power module and the static tester.
The utility model provides a static test switching device for needle terminal half-bridge type power module, include: the PCB comprises two layers of copper layers, a module connecting hole, a direct current positive electrode power interface, an output electrode power interface, a direct current negative electrode power interface, a direct current positive electrode measuring interface, an output electrode measuring interface, a direct current negative electrode measuring interface, an upper pipe driving interface and a lower pipe driving interface, wherein the module connecting hole, the direct current positive electrode power interface, the output electrode power interface, the direct current negative electrode power interface, the direct current positive electrode measuring interface, the; the direct current positive electrode power interface, the output electrode power interface and the direct current negative electrode power interface are used for being connected with a power lead of a static tester and providing voltage and current for a module to be tested during static test; the direct current positive electrode measuring interface, the output electrode measuring interface and the direct current negative electrode measuring interface are used for being connected with a measuring lead of a static tester and measuring the voltage on a tested switch tube in a tested module during static test; and the upper tube driving interface and the lower tube driving interface are used for being connected with a driving lead of the static tester and providing driving signals for a tested switch tube in the tested module.
Furthermore, the direct current positive electrode power interface, the direct current positive electrode measuring interface, the direct current negative electrode power interface, the direct current negative electrode measuring interface, the output electrode power interface and the output electrode measuring interface are connected to the module connecting holes corresponding to the module main power terminals through copper layers of the PCB.
Furthermore, the upper tube driving interface and the lower tube driving interface are connected to the module connecting holes corresponding to the module driving terminals through the copper layer of the PCB.
Furthermore, the module connecting hole is a through hole welding pad, and the needle-shaped terminal of the tested module is welded in the module connecting hole in a welding mode and is connected with each interface on the PCB.
Further, each interface uses a banana head mount for mating with the banana head lead of the static tester.
The utility model also provides a needle terminal half-bridge type power module, including main power positive terminal, main power negative terminal, main power output terminal, top tube drive terminal, low tube drive terminal, thermistor terminal and static test switching device; the static test switching device is used for providing a switching interface for the connection between the tested module and the power module during static measurement; the static test switching device comprises: the PCB comprises two copper layers, a module connecting hole, a direct current positive electrode power interface, an output electrode power interface, a direct current negative electrode power interface, a direct current positive electrode measuring interface, an output electrode measuring interface, a direct current negative electrode measuring interface, an upper pipe driving interface and a lower pipe driving interface, wherein the module connecting hole, the direct current positive electrode power interface, the output electrode power interface, the direct current negative electrode power interface, the direct current positive electrode measuring interface, the output; the direct current positive electrode power interface, the output electrode power interface and the direct current negative electrode power interface are used for being connected with a power lead of a static tester and providing voltage and current for a module to be tested during static test; the direct current positive electrode measuring interface, the output electrode measuring interface and the direct current negative electrode measuring interface are used for being connected with a measuring lead of a static tester and measuring the voltage on a tested switch tube in a tested module during static test; the upper tube driving interface and the lower tube driving interface are used for being connected with a driving lead of the static tester and providing driving signals for a tested switch tube in the tested module.
Furthermore, the module connecting hole is a through hole welding pad, and the needle-shaped terminal of the tested module is welded in the module connecting hole in a welding mode and is connected with each interface on the PCB.
Further, each interface uses a banana head mount for mating with the banana head lead of the static tester.
The utility model adopts the mode that the adapter plate is connected with the tested module and the interface of each terminal is led out, so that the needle-shaped terminal half-bridge type power module can be directly connected with the static tester by adopting the banana head connecting wire, thereby realizing the reliable and flexible connection between the two; in addition, the flexibility of connection between the test board and the module is increased by leaving a module connection hole area separately in the center of the PCB for module connection, the location of which corresponds to the terminal of the module.
Drawings
Fig. 1 is an external view of a module under test corresponding to the static test switching device for the needle terminal half-bridge type power module provided by the present invention;
FIG. 2 is a three-dimensional layout of the static test adapter with the tested module installed according to the present invention;
fig. 3 is a top layout view of the static test adaptor provided by the present invention;
fig. 4 is a distribution diagram of an upper copper layer of a PCB board of the static test adaptor apparatus provided by the present invention;
fig. 5 is a distribution diagram of a lower copper layer of a PCB board of the static test adaptor apparatus provided by the present invention;
the same reference numbers will be used throughout the drawings to refer to the same or like elements or structures, wherein: the device comprises a main power positive terminal 1, a main power negative terminal 2, a main power output terminal 3, an upper tube driving terminal 4, a lower tube driving terminal 5, a thermistor terminal 6, a direct current positive electrode power interface 7, a direct current positive electrode measurement interface 8, a direct current negative electrode power interface 9, a direct current negative electrode measurement interface 10, an output electrode power interface 11, an output electrode measurement interface 12, an upper tube driving interface 13, a lower tube driving interface 14, a PCB 15, a module to be tested 16, a module connecting hole 17, a direct current positive electrode copper layer 18, an output electrode copper layer 19, a direct current negative electrode copper layer 20, an upper tube driving connecting copper wire 21 and a lower tube driving connecting copper wire 22.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention 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 merely illustrative of the invention and are not intended to limit the invention.
The utility model provides a static test switching device for a needle-shaped terminal half-bridge type power module, which can realize the connection between the needle-shaped terminal half-bridge type power module and a static tester; the static test switching device for the needle terminal half-bridge type power module comprises: the PCB comprises a PCB with two copper layers, a module connecting hole arranged on the PCB, and a direct current positive electrode power interface, a direct current positive electrode measuring interface, an output electrode power interface, an output electrode measuring interface, a direct current negative electrode power interface, a direct current negative electrode measuring interface, an upper pipe driving interface and a lower pipe driving interface which are connected to the PCB.
The module connecting hole is used for connecting a needle-shaped terminal of a module to be tested, and the direct-current positive electrode power interface, the direct-current positive electrode measuring interface, the direct-current negative electrode power interface, the direct-current negative electrode measuring interface, the output electrode power interface and the output electrode measuring interface are connected to the module connecting hole corresponding to the module main power terminal through a copper layer of the PCB; the upper tube driving interface and the lower tube driving interface are connected to the module connecting holes corresponding to the module driving terminals through copper layers of the PCB.
The direct-current positive electrode power interface, the output electrode power interface and the direct-current negative electrode power interface are used for being connected with a power lead of a static tester and providing voltage and current for a tested switch tube in a tested module in a static test; the direct current positive electrode measuring interface, the output electrode measuring interface and the direct current negative electrode measuring interface are used for being connected with a measuring lead of the static tester and measuring the voltage on a tested switch tube in the tested module; the upper tube driving interface and the lower tube driving interface are used for being connected with a driving lead of the static tester and providing driving signals for a tested switch tube in the tested module.
The utility model discloses in, the acicular terminal of module under test can link to each other with each interface on the PCB board through the welded mode welding in the module connecting hole.
As an embodiment of the utility model, each interface all uses banana head seat for with the banana head lead wire phase-match of static tester.
The utility model discloses owing to adopt the keysets to draw forth each terminal of module, can be so that can adopt banana head lead wire lug connection between needle terminal half-bridge type power module and the static tester, realized reliable nimble connection between the two.
In order to further explain the present invention, the following description will further explain the technical solutions of the present invention by using specific embodiments in conjunction with the accompanying drawings.
The utility model provides a static test switching device for needle terminal half-bridge type power module, aim at realize being connected between needle terminal half-bridge type power module and the static test appearance. As shown in fig. 1, an external view of a module under test corresponding to the static test adapter for a pin terminal half-bridge power module provided in this embodiment is shown; the needle-like terminal thereof is divided into: the main power positive terminal 1, the main power negative terminal 2, the main power output terminal 3, the upper tube driving terminal 4, the lower tube driving terminal 5 and the thermistor terminal 6.
Fig. 2 is a three-dimensional layout view of the static test adaptor device with the tested module installed according to the present embodiment, and fig. 3 is a top layout view of the static test adaptor device provided by the present invention; the static test switching device comprises: the device comprises a direct current positive electrode power interface 7, a direct current positive electrode measuring interface 8, a direct current negative electrode power interface 9, a direct current negative electrode measuring interface 10, an output electrode power interface 11, an output electrode measuring interface 12, an upper tube driving interface 13, a lower tube driving interface 14, a PCB 15 and a module connecting hole 17 on the PCB.
The direct current positive electrode power interface 7, the output electrode power interface 11 and the direct current negative electrode power interface 9 are used for being connected with a power lead of a static tester and providing voltage and current for a tested switch tube in a tested module 16 in a static test; the direct current positive electrode measuring interface 8, the output electrode measuring interface 12 and the direct current negative electrode measuring interface 10 are used for being connected with a measuring lead of a static tester and measuring the voltage on a tested switch tube in a tested module 16; the upper tube driving interface 13 and the lower tube driving interface 14 are used for being connected with a driving lead of the static tester and providing a driving signal for a tested switching tube in the tested module 16; each interface uses a banana head seat matched with a banana head lead of the static tester. The pin terminals 1-6 of the tested module 16 are connected with the module connecting holes 17 on the PCB 15 in a welding mode, and are connected with the corresponding interfaces 7-14 through the copper layer of the PCB 15.
Fig. 4 is a diagram showing an upper copper layer distribution of a PCB of the static test switching device provided by the present invention, and fig. 5 is a diagram showing a lower copper layer distribution of a PCB of the static test switching device provided by the present invention; the direct-current positive electrode power interface 7 and the direct-current positive electrode measurement interface 8 are connected to corresponding module connecting holes 17 through a direct-current positive electrode copper layer 18 and further connected with a main power positive terminal 1 of the module; the direct current negative electrode power interface 9 and the direct current negative electrode measurement interface 10 are connected to the corresponding module connecting holes 17 through the direct current negative electrode copper layer 20, and further connected with the main power negative terminal 2 of the module; the output electrode power interface 11 and the output electrode measurement interface 12 are connected to the corresponding module connecting holes 17 through an output electrode copper layer 19, and further connected with the main power output terminal 3 of the module; the upper tube driving interface and the lower tube driving interface are respectively connected to corresponding module connecting holes through an upper tube driving connecting copper wire 21 and a lower tube driving connecting copper wire 22, and then are respectively connected to the upper tube driving terminal 4 and the lower tube driving terminal 5.
Through above technical scheme, compare with prior art, owing to adopt the keysets to draw forth each terminal of module, solved the problem that is difficult to be connected between static tester and the needle terminal half-bridge type power module, can make and can adopt banana head lead wire lug connection between needle terminal half-bridge type power module and the static tester, realized the reliable nimble connection between the two.
The above embodiments have been merely illustrative of the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and does not depart from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A static test transition device for a pin terminal half-bridge type power module, comprising: the PCB comprises two layers of copper layers, a module connecting hole, a direct current positive electrode power interface, an output electrode power interface, a direct current negative electrode power interface, a direct current positive electrode measuring interface, an output electrode measuring interface, a direct current negative electrode measuring interface, an upper pipe driving interface and a lower pipe driving interface, wherein the module connecting hole, the direct current positive electrode power interface, the output electrode power interface, the direct current negative electrode power interface, the direct current positive electrode measuring interface, the;
the direct-current positive electrode power interface, the output electrode power interface and the direct-current negative electrode power interface are used for being connected with a power lead of a static tester and providing voltage and current for a module to be tested during static test;
the direct current positive electrode measuring interface, the output electrode measuring interface and the direct current negative electrode measuring interface are used for being connected with a measuring lead of a static tester and measuring the voltage on a tested switch tube in a tested module during static test;
and the upper tube driving interface and the lower tube driving interface are used for being connected with a driving lead of the static tester and providing driving signals for a tested switch tube in the tested module.
2. The static test adaptor of claim 1 wherein said positive dc electrode power port, said positive dc electrode measurement port, said negative dc electrode power port, said negative dc electrode measurement port, said output electrode power port and said output electrode measurement port are connected to corresponding module connection holes of a module main power terminal through a copper layer of a PCB board.
3. The static test adaptor of claim 1 wherein said upper tube drive interface and said lower tube drive interface are connected to corresponding module connection holes of module drive terminals through copper layers of a PCB board.
4. The static test switching device according to any one of claims 1 to 3, wherein the module connecting holes are through-hole pads, and the pin terminals of the module under test are soldered in the module connecting holes and connected to the respective interfaces on the PCB by soldering.
5. The static test adaptor of any one of claims 1 to 3 wherein each interface uses a banana head mount for mating with a banana head lead of a static tester.
6. A needle-shaped terminal half-bridge type power module is characterized by comprising a main power positive terminal (1), a main power negative terminal (2), a main power output terminal (3), an upper tube driving terminal (4), a lower tube driving terminal (5), a thermistor terminal (6) and a static test switching device;
the static test switching device is used for providing a switching interface for the connection between the tested module and the power module during static measurement; the static test switching device comprises: the PCB comprises two layers of copper layers, a module connecting hole, a direct current positive electrode power interface, an output electrode power interface, a direct current negative electrode power interface, a direct current positive electrode measuring interface, an output electrode measuring interface, a direct current negative electrode measuring interface, an upper pipe driving interface and a lower pipe driving interface, wherein the module connecting hole, the direct current positive electrode power interface, the output electrode power interface, the direct current negative electrode power interface, the direct current positive electrode measuring interface, the; the direct-current positive electrode power interface, the output electrode power interface and the direct-current negative electrode power interface are used for being connected with a power lead of a static tester and providing voltage and current for a module to be tested during static test; the direct current positive electrode measuring interface, the output electrode measuring interface and the direct current negative electrode measuring interface are used for being connected with a measuring lead of a static tester and measuring the voltage on a tested switch tube in a tested module during static test; the upper tube driving interface and the lower tube driving interface are used for being connected with a driving lead of the static tester and providing driving signals for a tested switch tube in the tested module.
7. The pin terminal half-bridge type power module according to claim 6, wherein the module connection holes are through-hole pads, and the pin terminals of the module under test are soldered in the module connection holes and connected to the respective interfaces on the PCB by soldering.
8. The pin terminal half-bridge power module according to claim 6 or 7, wherein each interface uses a banana head mount for mating with a banana head lead of a static tester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021854596.9U CN212845513U (en) | 2020-08-28 | 2020-08-28 | Needle-shaped terminal half-bridge type power module and static test switching device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021854596.9U CN212845513U (en) | 2020-08-28 | 2020-08-28 | Needle-shaped terminal half-bridge type power module and static test switching device thereof |
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| Publication Number | Publication Date |
|---|---|
| CN212845513U true CN212845513U (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021854596.9U Active CN212845513U (en) | 2020-08-28 | 2020-08-28 | Needle-shaped terminal half-bridge type power module and static test switching device thereof |
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| CN (1) | CN212845513U (en) |
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